7Baggers

Willis Lease Finance Corporation
(NASDAQ:WLFC) 

WLFC stock logo

Willis Lease Finance Corporation operates as a lessor and servicer of commercial aircraft and aircraft engines worldwide. The company operates through two segments, Leasing and Related Operations, and Spare Parts Sales. The Leasing and Related Operations segment engages in acquiring and leasing comm...

Full Time Employees: 218
Sector: Industrials
Industry: Rental & Leasing Services

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    Unit: USD2025-09-30 2024-09-30 2024-03-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 2003-12-31 2003-09-30 2003-06-30 2003-03-31 2002-12-31 2002-09-30 2002-06-30 2002-03-31 2001-12-31 2001-09-30 2001-06-30 
                                                                                                 
      revenue
                                                                                                 
      yoy
                                                                                                 
      qoq
                                                                                                 
      lease rent revenue
    76,552,000 64,905,000 52,881,000 53,573,000 54,416,000 53,220,000 48,227,000 39,515,000 36,704,000 38,125,000 37,972,000 32,908,000 32,431,000 31,520,000 28,021,000 30,025,000 38,454,000 46,395,000 48,206,000 49,090,000 45,025,000 48,369,000 45,899,000 46,984,000 43,081,000 39,644,000 35,324,000 33,474,000 31,337,000 30,233,000 31,168,000 31,270,000 29,181,000 28,139,000 28,873,000 28,083,000 25,813,000 25,097,000 24,883,000 25,165,000 24,801,000 26,900,000 26,721,000 25,779,000 24,750,000 24,487,000 23,674,000 23,022,000 23,810,000 24,085,000 25,244,000 26,458,000 25,655,000 27,306,000 25,711,000 25,090,000 25,280,000 26,052,000 25,406,000 25,806,000 25,283,000 25,895,000 25,380,000 26,003,000 26,216,000 24,822,000                            
      maintenance reserve revenue
    76,054,000 49,760,000 43,870,000 37,696,000 35,415,000 23,498,000 23,907,000 20,438,000 24,245,000 14,834,000 13,212,000 23,659,000 17,278,000 19,812,000 22,549,000 32,302,000 29,986,000 20,528,000 18,000,000 39,173,000 26,475,000 25,350,000 30,154,000 19,370,000 22,045,000 15,440,000 15,977,000 20,370,000 11,881,000 31,961,000 11,529,000 14,229,000 15,514,000 15,819,000 14,320,000 16,119,000 10,477,000 14,148,000 11,706,000 13,066,000 14,560,000 14,030,000 16,786,000 8,891,000 11,788,000 9,229,000 12,719,000 10,653,000 9,437,000 8,578,000 11,842,000 8,962,000 10,131,000 8,226,000 11,055,000 9,739,000 7,218,000 6,764,000 12,986,000 17,729,000 7,558,000 7,776,000 9,633,000 8,281,000 9,515,000 6,287,000                            
      spare parts and equipment sales
    5,394,000 10,863,000 3,288,000 3,359,000 4,550,000 5,052,000 6,621,000 6,966,000 6,792,000 6,630,000 4,191,000 5,091,000 3,569,000 4,566,000 3,777,000 2,888,000 2,855,000 9,105,000 18,154,000 24,409,000 14,586,000 17,502,000 49,440,000 8,354,000 7,061,000 6,286,000 10,150,000 9,294,000 19,383,000 12,596,000 7,318,000 4,160,000 3,673,000 2,609,000 10,608,000 9,133,000                                                          
      interest revenue
    3,360,000 3,412,000 2,269,000 2,106,000 2,258,000 2,046,000                                                                                        
      gain on sale of leased equipment
    16,134,000 9,519,000 9,201,000 773,000 4,461,000 -133,000 -583,000 920,000 498,000 2,298,000 3,535,000 2,440,000   2,024,000  -700,000 2,067,000 765,000 4,589,000 5,120,000 9,570,000 4,802,000 1,256,000 245,000 640,000 245,000 174,000 3,527,000 983,000 52,000 180,000 258,000 2,989,000 654,000 3,804,000 3,234,000 662,000 2,040,000 1,891,000 1,620,000 309,000 2,119,000 2,022,000 848,000 686,000 942,000 561,000 1,388,000 2,608,000 -121,000 3,637,000 2,534,000 5,060,000   89,000 2,220,000 308,000  395,000  -485,000 11,557,000 1,261,000  315,750  1,239,000  7,822,000 3,981,000 2,398,000  2,898,000 1,015,000 2,416,000 732,000 1,888,000 507,000 542,000 148,000 1,335,000  1,013,000 38,000 -101,000   735,000 -955,000 394,000 3,622,000 
      gain on sale of financial assets
            3,116,000                                                                                     
      maintenance services revenue
    3,636,000 5,948,000 5,227,000                                                                                           
      other revenue
    2,259,000 1,816,000 2,347,000 8,238,000 7,896,000 5,852,000 2,393,000 9,052,000 6,720,000 6,930,000 6,030,000 6,693,000 6,938,000 5,227,000 5,116,000 5,398,000 4,388,000 3,514,000 4,103,000 3,105,000 4,591,000 2,978,000 1,882,000 2,010,000 1,871,000 1,882,000 1,491,000 2,549,000 1,716,000 2,173,000 5,409,000 1,622,000 992,000 1,000,000 740,000 619,000 833,000 756,000 706,000 769,000 1,270,000 1,761,000 1,577,000 1,260,000 567,000 902,000                                                
      total revenue
    183,389,000 146,223,000 119,083,000 105,745,000 108,996,000 89,535,000 88,144,000 76,891,000 78,075,000 68,817,000 75,814,000 70,791,000 66,472,000 61,125,000 61,487,000 70,613,000 74,983,000 81,609,000 89,228,000 120,366,000 95,797,000 103,769,000 132,177,000 77,974,000 74,303,000 63,892,000 63,187,000 65,861,000 67,844,000 77,946,000 55,476,000 51,461,000 49,618,000 50,556,000 55,195,000 57,758,000 43,223,000 42,814,000 45,782,000 42,745,000 42,251,000 43,000,000 47,203,000 37,952,000 37,953,000 35,304,000 39,692,000 37,506,000 35,153,000 35,739,000 37,669,000 39,480,000 38,692,000 40,812,000 39,634,000 40,191,000 32,778,000 35,699,000 38,829,000 43,642,000 33,390,000 34,579,000 36,916,000 45,894,000 37,240,000 32,243,000 34,000,000 29,814,000 30,967,000 27,116,000 25,919,000 21,487,000 19,940,000 17,927,000 19,905,000 16,733,000 18,040,000 15,868,000 17,112,000 14,684,000 15,057,000 15,086,000 16,030,000 14,185,000 15,612,000 14,568,000 18,187,000 14,005,000 13,408,000 14,352,000 13,627,000 16,200,000 19,227,000 
      expenses
                                                                                                 
      depreciation and amortization expense
    28,662,000 23,650,000 22,486,000 23,088,000 22,494,000 22,549,000 22,780,000 22,059,000 21,612,000 21,809,000 21,749,000 21,274,000 23,340,000 24,141,000 23,365,000 24,022,000 23,764,000 23,390,000 23,199,000 22,736,000 20,043,000 20,258,000 21,214,000 19,861,000 18,384,000 17,355,000 17,237,000 16,142,000 16,015,000 16,628,000 17,045,000 16,628,000 16,188,000 16,644,000 17,124,000 17,089,000 17,668,000 17,705,000 17,282,000 16,714,000 15,735,000 15,710,000                                                    
      cost of spare parts and equipment sales
    6,684,000 8,861,000 2,705,000 2,024,000 3,058,000 4,499,000 4,753,000 4,204,000 7,014,000 4,862,000 3,919,000 3,921,000 3,278,000 3,809,000 3,301,000 4,125,000 2,648,000 6,688,000 15,455,000 20,195,000 12,585,000 14,412,000 44,488,000 5,848,000 5,906,000 4,783,000 11,302,000 6,416,000 13,730,000 9,400,000 5,508,000 3,066,000 2,787,000 1,915,000 7,647,000 5,919,000                                                          
      cost of maintenance services
    5,135,000 6,402,000 5,574,000                                                                                           
      write-down of equipment
    10,201,000 605,000 261,000 719,000 1,671,000   654,000 78,000 21,117,000 3,602,000  2,246,000 1,867,000 6,169,000 5,245,000 6,997,000 2,129,000 6,899,000 6,954,000 3,262,000 1,105,000 5,858,000 1,215,000 3,578,000  2,687,000 6,958,000 2,277,000 13,009,000 3,590,000 1,995,000 1,893,000 2,036,000 601,000 5,498,000 3,058,000 24,000 2,674,000 450,000 2,183,000 295,000 193,000 4,283,000 1,985,000  3,118,000 2,474,000  282,000 1,035,000 2,306,000   215,000 2,659,000   3,112,000 2,093,000 175,000 753,000 3,469,000 862,000 1,811,000  1,680,000  2,142,000            577,000  627,000  645,000         
      general and administrative
    49,190,000 40,037,000 29,581,000 33,993,000 38,327,000 33,271,000 25,710,000 22,788,000 20,427,000 23,605,000 21,038,000 18,662,000 19,499,000 16,151,000 16,654,000 16,461,000 15,228,000 19,567,000 20,437,000 23,257,000 21,389,000 21,440,000 21,504,000 18,124,000 16,782,000 15,611,000 15,163,000 14,308,000 13,065,000 13,201,000 13,086,000 12,257,000 10,685,000 11,752,000 11,918,000 11,742,000 9,112,000 9,972,000 7,804,000 9,107,000 9,261,000 9,685,000 9,603,000 6,792,000 9,204,000 8,269,000 9,212,000 7,298,000 9,304,000 8,737,000 9,593,000 8,684,000 9,213,000 8,211,000 8,968,000 7,282,000 5,750,000 7,302,000 2,184,000 9,622,000 7,708,000 7,251,000 7,995,000 9,210,000 7,275,000 6,278,000 6,047,000 5,278,000 5,872,000 5,897,000 6,584,000 5,283,000 4,682,000 4,412,000 4,373,000 4,406,000 4,454,000 3,647,000 3,972,000 3,694,000 3,434,000 3,691,000 3,404,000 3,515,000 3,547,000 3,386,000 4,050,000 3,611,000 3,087,000 3,691,000 2,926,000 3,331,000 3,665,000 
      technical expense
    8,352,000 5,151,000 8,255,000 6,871,000 4,919,000 2,829,000 3,193,000 2,139,000 3,436,000 5,646,000 3,251,000 2,524,000 2,296,000 1,310,000 3,111,000 827,000 1,468,000 1,127,000 3,188,000 1,739,000 1,407,000 1,788,000 1,943,000 2,290,000 3,232,000 3,677,000 2,384,000 2,605,000 2,448,000 2,292,000 2,080,000 1,414,000 1,803,000 1,696,000 1,567,000 3,570,000 2,434,000 1,832,000 4,593,000 3,855,000 2,370,000 1,520,000 2,440,000 4,533,000 4,216,000 1,674,000 2,291,000 1,961,000 1,435,000 1,319,000 2,657,000 1,270,000 2,160,000 2,307,000 1,728,000 2,041,000 2,712,000 1,637,000                                    
      net finance costs:
                                                                                                 
      interest expense
    34,177,000 27,813,000 23,003,000 19,052,000 19,085,000 18,389,000 17,534,000 16,304,000 16,023,000 16,883,000 17,654,000 18,325,000 16,987,000 15,019,000 15,888,000 15,351,000 16,089,000 15,696,000 15,657,000 16,572,000 16,781,000 17,879,000 17,603,000 17,885,000 15,138,000 13,595,000 12,322,000 14,220,000 11,312,000  10,509,000 10,230,000 10,397,000 10,008,000 9,780,000 9,805,000 9,860,000 9,567,000     9,735,000 9,905,000 9,852,000 9,227,000 9,154,000 7,529,000 7,119,000 7,947,000 8,293,000 8,876,000 8,788,000 9,244,000 9,677,000 10,362,000 10,409,000 10,497,000 9,683,000 9,213,000 8,807,000 8,310,000 9,651,000 9,628,000 9,584,000 9,777,000 10,012,000 9,929,000 9,218,000 8,781,000 8,566,000 8,166,000 7,781,000 7,096,000 7,241,000 6,310,000 5,594,000 5,603,000 5,236,000 4,611,000 4,239,000 4,363,000 4,406,000 4,263,000 4,498,000 4,242,000 4,380,000 5,432,000 4,774,000 4,524,000 5,604,000 5,767,000 6,469,000 
      loss on debt extinguishment
    2,963,000                 4,688,000   220,000            137,000                                                             
      total net finance costs
    37,140,000 27,813,000 23,003,000 19,052,000 19,085,000 18,389,000 14,976,000 16,304,000 16,023,000 16,883,000 17,654,000 18,325,000 16,987,000 15,019,000 15,888,000 15,351,000 16,089,000 20,384,000 15,657,000 16,572,000 17,001,000          10,509,000 10,230,000 10,534,000 10,008,000 9,780,000 9,805,000 9,860,000 8,416,000     9,735,000 9,905,000 9,852,000 9,227,000 9,205,000 22,920,000 7,089,000 7,917,000 8,596,000 8,834,000 8,746,000 9,201,000 9,627,000 10,296,000 10,341,000 10,469,000 9,668,000 9,171,000 7,858,000 8,160,000 9,240,000 9,215,000 9,145,000 9,153,000 10,221,000 10,351,000 8,309,000 7,931,000 7,680,000 7,359,000 7,021,000 6,314,000                    
      total expenses
    145,364,000 112,519,000 91,865,000 85,747,000 89,554,000 81,537,000 71,412,000 68,148,000 68,590,000 93,922,000 71,213,000 64,706,000 67,646,000 62,297,000 68,488,000 66,031,000 66,194,000 73,285,000 84,835,000 91,453,000 75,687,000 76,882,000 112,610,000 65,223,000 63,020,000 55,021,000 61,095,000 60,649,000 58,847,000 65,395,000 51,818,000 45,590,000 43,890,000 44,051,000 48,637,000 53,623,000 44,332,000 39,429,000 47,001,000 40,751,000 38,945,000 36,569,000 37,135,000 41,275,000 39,448,000 32,780,000 37,536,000 48,538,000 30,318,000 30,761,000 34,415,000 33,550,000 33,190,000 32,908,000 33,164,000 35,299,000 30,117,000 31,151,000 33,861,000 32,880,000 25,738,000 26,516,000 30,335,000 29,369,000 27,316,000 24,071,000 26,428,000 23,896,000 24,269,000 20,271,000 21,014,000 18,568,000 18,601,000 17,314,000 16,982,000 17,704,000 15,866,000 9,687,000 10,043,000 9,496,000 9,614,000 9,413,000 9,781,000 8,885,000 9,504,000 9,166,000 12,026,000 8,628,000 7,878,000 8,408,000 8,057,000 7,586,000 8,078,000 
      income from operations
    38,025,000 33,704,000 27,218,000 19,998,000 19,442,000 7,998,000 16,732,000 8,743,000 9,485,000 -25,105,000                                                                                    
      yoy
    95.58% 321.41% 62.67% 128.73% 104.98% -131.86%                                                                                        
      qoq
    12.82% 23.83% 36.10% 2.86% 143.09% -52.20% 91.38% -7.82% -137.78%                                                                                     
      operating margin %
    Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% NaN% 
      gain on sale of business
                                                                                                 
      income from joint ventures
    5,192,000 756,000 2,674,000 346,000 -474,000  1,469,000 -384,000 1,469,000                                                                                     
      income before income taxes
    43,217,000 34,460,000 29,892,000 20,344,000 18,968,000 6,837,000 18,201,000 8,359,000 10,954,000 -27,721,000 6,584,000 6,106,000 -1,859,000 -1,691,000 -6,971,000 6,039,000 9,737,000 8,531,000 8,184,000 31,078,000 21,786,000 27,833,000 21,798,000 13,257,000 11,599,000 9,618,000 3,195,000 8,252,000 10,158,000 14,405,000 4,597,000 6,502,000 5,784,000 6,692,000 6,606,000 4,693,000 -894,000 3,739,000 -709,000 2,263,000 3,551,000 6,736,000 10,408,000  1,887,000 2,617,000   5,034,000 5,375,000 3,691,000 6,162,000 5,822,000 8,210,000 6,761,000 5,175,000 2,934,000 4,810,000 5,220,000 10,997,000 7,892,000 8,278,000 6,813,000 16,708,000 10,124,000 8,354,000 7,817,000 6,081,000 6,903,000 6,932,000 5,023,000 3,041,000 1,453,000 725,000 2,923,000  2,174,000 786,000 1,983,000 719,000 1,288,000 1,368,000 999,750 1,088,000 1,682,000 1,229,000        
      income tax expense
    18,893,000 10,364,000 9,023,000 5,726,000 5,152,000 2,443,000 3,858,000 1,970,000 5,046,000  4,842,000 3,222,000 -1,917,000 -359,000 -4,077,000 3,055,000 4,365,000 4,245,000 3,188,000 7,005,000 4,811,000 6,955,000 3,684,000 3,583,000 3,240,000 2,536,000 -39,514,000 2,960,000 4,168,000 6,238,000 1,890,000 2,517,000 2,418,000 2,924,000 9,943,000 -2,116,000  -1,441,000            -2,086,000 -43,000 -3,846,000 -2,340,000 -3,147,000                    257,000                    
      net income
    24,324,000 24,096,000 20,869,000 14,618,000 13,816,000 4,394,000 14,343,000 6,389,000 5,908,000 -21,201,000 1,742,000 2,884,000 58,000 -1,332,000 -2,894,000 2,984,000 5,372,000 4,286,000 4,996,000 24,073,000 16,975,000 20,878,000 18,114,000 9,674,000 8,359,000 7,082,000 42,709,000 5,292,000 5,990,000 8,167,000 2,707,000 3,985,000 3,366,000 3,768,000 2,973,000 2,577,000 -492,000 2,298,000 -278,000 979,000 2,214,000 4,331,000 6,553,000 -2,229,000 9,692,000 1,610,000 2,211,000 -7,194,000 3,229,000 3,289,000 3,648,000 2,316,000 3,482,000 5,063,000 4,010,000 3,083,000 1,907,000 3,050,000 1,027,000 9,299,000 5,019,000 7,022,000 4,348,000 10,725,000 6,422,000 5,105,000 5,114,000 3,751,000 4,394,000 4,405,000 4,052,000 1,686,000 1,048,000 468,000 2,153,000 -501,000 1,564,000 566,000 1,465,000 508,000 915,000 969,000 1,438,000 745,000 1,152,000 842,000 2,020,000 33,000 577,000 966,000 461,000 1,800,000 2,363,000 
      yoy
    76.06% 448.38% 45.50% 128.80% 133.85% -120.73% 723.36% 121.53% 10086.21% 1491.67% -160.19% -3.35% -98.92% -131.08% -157.93% -87.60% -68.35% -79.47% -72.42% 148.84% 103.07% 194.80% -57.59% 82.80% 39.55% -13.29% 1477.72% 32.80% 77.96% 116.75% -8.95% 54.64% -784.15% 63.97% -1169.42% 163.23% -122.22% -46.94% -104.24% -143.92% -77.16% 169.01% 196.38% -69.02% 200.15% -51.05% -39.39% -410.62% -7.27% -35.04% -9.03% -24.88% 82.59% 66.00% 290.46% -66.85% -62.00% -56.57% -76.38% -13.30% -21.85% 37.55% -14.98% 185.92% 46.15% 15.89% 26.21% 122.48% 319.27% 841.24% 88.20% -436.53% -32.99% -17.31% 46.96% -198.62% 70.93% -41.59% 1.88% -31.81% -20.57% 15.08% -28.81% 2157.58% 99.65% -12.84% 338.18% -98.17% -75.58%     
      qoq
    0.95% 15.46% 42.76% 5.80% 214.43% -69.36% 124.50% 8.14% -127.87% -1317.05% -39.60% 4872.41% -104.35% -53.97% -196.98% -44.45% 25.34% -14.21% -79.25% 41.81% -18.69% 15.26% 87.24% 15.73% 18.03% -83.42% 707.05% -11.65% -26.66% 201.70% -32.07% 18.39% -10.67% 26.74% 15.37% -623.78% -121.41% -926.62% -128.40% -55.78% -48.88% -33.91% -393.99% -123.00% 501.99% -27.18% -130.73% -322.79% -1.82% -9.84% 57.51% -33.49% -31.23% 26.26% 30.07% 61.67% -37.48% 196.98% -88.96% 85.28% -28.52% 61.50% -59.46% 67.00% 25.80% -0.18% 36.34% -14.63% -0.25% 8.71% 140.33% 60.88% 123.93% -78.26% -529.74% -132.03% 176.33% -61.37% 188.39% -44.48% -5.57% -32.61% 93.02% -35.33% 36.82% -58.32% 6021.21% -94.28% -40.27% 109.54% -74.39% -23.83%  
      net income margin %
    Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity% -Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% -Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% Infinity% 
      preferred stock dividends
    1,369,000 948,000 900,000 819,000 811,000 801,000 819,000 819,000 811,000 801,000 820,000 819,000 811,000 801,000 819,000 819,000 811,000 810,000 819,000 820,000 810,000 801,000 819,000 819,000 810,000 801,000 825,000 344,000 324,000 321,000                                                                
      accretion of preferred stock issuance costs
    70,000 15,000 12,000 21,000 21,000 21,000 21,000 21,000 21,000 21,000 20,000 21,000 21,000 21,000 21,000 21,000 21,000 21,000 21,000 21,000 21,000 21,000 21,000 21,000 21,000 20,000 21,000 9,000 9,000 7,000                                                                
      net income attributable to common shareholders
    22,885,000 23,133,000 19,957,000 13,778,000 12,984,000 3,572,000 13,503,000 5,549,000 5,076,000  902,000 2,044,000 -774,000 -2,154,000 -3,734,000 2,144,000 4,540,000 3,455,000 4,156,000 23,232,000 16,144,000 20,056,000 17,274,000 8,834,000 7,528,000 6,261,000 41,863,000 4,939,000 5,657,000 7,839,000             6,553,000 -2,229,000 9,692,000 1,610,000 -771,000 -7,976,000 2,447,000 2,507,000 2,866,000 1,534,000 2,700,000 4,281,000 3,228,000 2,301,000 1,125,000 2,268,000 245,000 8,517,000 4,237,000 6,240,000 3,566,000 9,943,000 5,640,000 4,323,000 4,332,000 2,969,000 3,612,000  3,139,000 904,000 266,000                     
      basic weighted-average income per common share
    3,360 3,510 3,120 2,160 2,040 580  910 830                                                                                     
      diluted weighted-average income per common share
    3,250 3,370 3,000 2,130 2,020 550  890 810                                                                                     
      basic weighted-average common shares outstanding
    6,813,000 6,582,000 6,387,000 6,365,000 6,354,000 6,123,000 6,071,000 6,093,000 6,129,000 5,951,000 6,112,000 6,189,000 6,218,000 5,995,000 5,963,000 5,972,000 6,012,000 5,860,000 5,836,000 5,847,000 5,866,000 5,779,000 5,915,000 5,900,000 5,878,000 6,104,000 6,074,000                                                                   
      diluted weighted-average common shares outstanding
    7,031,000 6,859,000 6,659,000 6,466,000 6,442,000 6,456,000 6,297,000 6,270,000 6,246,000 5,951,000 6,346,000 6,363,000 6,218,000 5,995,000 6,128,000 6,071,000 6,098,000 6,124,000 6,058,000 6,094,000 6,061,000 5,978,000 6,046,000 6,004,000 5,991,000 6,256,000 6,220,000                                                                   
      loss from joint ventures
         -1,161,000    -2,616,000                                                                                    
      asset transition fee
                6,256,000                                                                                 
      income tax benefit
             -6,520,000                           402,000  431,000 -1,284,000   -3,855,000 1,383,000 7,805,000   3,486,000                            470,000                  
      net loss attributable to common shareholders
             -22,023,000                                                                                    
      basic weighted-average loss per common share
             -3,700                                                                                    
      diluted weighted-average loss per common share
             -3,700                                                                                    
      earnings from operations
              4,601,000 6,085,000 -1,174,000 -1,172,000 -7,001,000 4,582,000 8,789,000 8,324,000 4,393,000 28,913,000 20,110,000 26,887,000 19,567,000 12,751,000 11,283,000 8,871,000 2,092,000 5,212,000 8,997,000 12,551,000 3,658,000 5,871,000 5,728,000 6,505,000 6,558,000 4,135,000 -1,109,000 3,385,000 -1,219,000 1,994,000 3,306,000 6,431,000    2,524,000   4,835,000 4,978,000 3,254,000 5,930,000 5,502,000 7,904,000 6,470,000 4,892,000 2,661,000 4,548,000 4,968,000 10,762,000 7,652,000 8,063,000 6,581,000 16,525,000 9,924,000 8,172,000 7,572,000 5,918,000 6,698,000 6,845,000 4,905,000 2,919,000 1,339,000 613,000    6,181,000 7,069,000 5,188,000 5,443,000 5,673,000 6,249,000 5,300,000 6,108,000 5,402,000 6,161,000 5,377,000 5,530,000 5,944,000 5,570,000 8,614,000 11,149,000 
      earnings from joint ventures
              1,983,000 21,000 -685,000 -519,000 30,000 1,457,000 948,000 207,000 3,791,000 2,165,000 1,676,000 946,000 2,231,000 506,000 316,000 747,000 1,103,000 3,040,000 1,161,000 1,854,000 939,000 631,000 56,000 187,000 48,000 558,000 215,000 354,000 510,000 269,000 245,000 305,000 340,000  3,382,000 93,000 811,000 352,000 199,000 397,000 437,000 232,000 320,000                                         
      basic weighted-average earnings per common share
               330 -120 -360  360 760 590  3,970 2,750 3,470  1,500 1,280 1,030                                                                    
      diluted weighted-average earnings per common share
               320 -120 -360  350 740 560  3,810 2,660 3,350  1,470 1,260 1,000                                                                    
      net finance costs
                              9,099,500 14,220,000 11,312,000 10,865,000         6,983,750 9,181,000 9,396,000 9,359,000                                                    
      basic earnings per common share:
                              760 820 940 1,280 410 630 500 530 380 330 -60 290 -30 120 280 550 830 -270 1,200 200 -100 -920 290 300 340 180 320 500 370 270 130 260 20 1,020 510 750 430 1,200 690 530 530 360 440  340 100 30  240 -60 170 60 160 60 100             
      diluted earnings per common share:
                              742.5 800 920 1,260 390 620 490 520 370 320 -60 290 -30 120 270 530 800 -270 1,170 190 -90 -900 280 290 320 170 310 470 340 250 120 240 10 940 470 720 410 1,130 640 490 480 340 420  330 90 30  230 -60 170 60 160 50 100             
      average common shares outstanding
                              1,517,000 6,055,000 6,036,000 6,114,000 -141,000 6,307,000 6,685,000 7,149,000 -32,000 7,839,000 7,841,000 7,848,000 -26,000 7,938,000 7,976,000 7,914,000 -62,000 8,126,000 8,106,000 8,033,000 -63,000 8,667,000 8,585,000 8,404,000  8,397,000 8,322,000 8,552,000 -10,000 8,683,000 8,729,000 8,660,000 17,000 8,391,000 8,342,000 8,306,000 19,000 8,253,000 8,225,000 8,190,000 9,000 8,174,000 8,118,000 8,014,000 -50,000 9,279,000 9,223,000 9,154,000 25,000 9,097,000 9,047,000 9,006,000 17,000 8,959,000 8,908,000 8,856,000 2,000 8,841,000 8,838,000 8,836,000 1,000 8,832,000 8,830,000 8,828,000 19,000 8,812,000 8,735,000 
      diluted average common shares outstanding
                              1,549,500 6,173,000 6,142,000 6,240,000 -135,000 6,448,000 6,819,000 7,272,000 -29,000 7,963,000 7,991,000 8,044,000 -22,000 8,123,000 8,179,000 8,129,000 -43,000 8,329,000 8,303,000 8,273,000 -55,000 8,889,000 8,848,000 8,756,000 -27,000 8,811,000 8,796,000 9,048,000 -5,000 9,080,000 9,255,000 9,303,000 49,000 9,051,000 8,926,000 8,675,000 -4,000 8,785,000 8,754,000 8,785,000 88,000 8,769,000 8,636,000 8,541,000 -42,000 9,693,000 9,698,000 9,622,000 36,000 9,097,000 9,471,000 9,401,000 15,000 9,297,000 9,315,000 9,161,000 12,000 8,889,000 8,874,000 8,875,000 3,000 8,841,000 8,852,000 8,854,000 -23,000 8,954,000 8,905,000 
      gain on debt extinguishment
                                         -1,151,000                                                        
      certain amounts include adjustments to prior periods see "note 1. summary of significant accounting policies (c) correction of immaterial errors - consolidated financial statements" for further disclosure.
                                                                                                 
      certain amounts include adjustments to prior periods see "note 1. summary of significant accounting policies (c) correction of errors - consolidated financial statements" for further disclosure.
                                                                                                 
      spare parts sales
                                        2,866,000 2,151,000 6,447,000 1,854,000                                              526,000        
      cost of spare parts sales
                                        2,200,000 1,480,000 5,521,000 1,444,000                                                      
      depreciation expense
                                              10,890,750 15,762,000 14,191,000 13,610,000 13,710,000 13,885,000 12,490,000 12,506,000 12,534,000 12,456,000 13,071,000 13,189,000 12,626,000 13,021,000 11,314,000 11,743,000 11,748,000 11,994,000 9,997,000 10,352,000 9,631,000 10,082,000 9,085,000 8,640,000 8,480,000 8,267,000 7,946,000 6,443,000 6,149,000 5,926,000 6,898,000 6,588,000 6,708,000 6,460,000 6,083,000 6,040,000 6,071,000 5,802,000 5,603,000 5,722,000 5,750,000 5,370,000 5,312,000 5,254,000 4,924,000 5,017,000 4,791,000 4,717,000 5,131,000 4,255,000 4,413,000 
      interest income
                                                     -30,000 -40,000 -42,000 -42,000 -43,000                                        
      loss on debt extinguishment and derivatives termination
                                                  50,000 15,412,000                                              
      other income
                                                  1,064,000 3,270,000 518,000 468,000 704,000 423,000 372,000 220,000 2,411,000 138,000 191,000 663,000 129,000 130,000 154,000 545,000 2,388,000 53,000 248,000 1,134,000 190,000 73,000 124,000 381,000 252,000 42,000 2,000 4,000 81,000 58,000 126,000 101,000 141,000 207,000 155,000 174,000 272,000 248,000          
      preferred stock dividends paid and declared-series a
                                                  586,500 782,000 782,000 782,000    782,000 782,000 782,000 782,000 782,000 782,000 782,000 782,000 782,000    782,000                            
      preferred stock dividends paid and accumulated-series a
                                                      586,500 782,000 782,000          586,500 782,000 782,000  586,500 782,000 782,000 782,000 508,000 782,000 782,000 468,000                    
      earnings from joint venture
                                                         306,000 291,000 283,000 273,000 262,000 252,000 235,000 240,000 215,000 232,000 183,000 200,000 182,000 245,000 163,000 205,000 87,000 118,000 122,000 114,000 112,000                    
      gain (loss) on sale of leased equipment
                                                          1,883,250 5,224,000                                      
      gain upon extinguishment of debt
                                                                                                 
      gain on sale of equipment
                                                                 363,000        61,000    1,542,000                    
      loss upon extinguishment of debt
                                                                      364,750 1,459,000       343,750 1,375,000                  
      lease revenue
                                                                      21,514,000 29,778,000 29,604,000 26,674,000 17,845,000 17,464,000 17,540,000 16,381,000 16,926,000 15,660,000 15,498,000 15,035,000 15,083,000 13,970,000 14,360,000 14,764,000 14,423,000 13,951,000 14,599,000 14,004,000 14,215,000 14,005,000 13,560,000 13,617,000 14,582,000 15,806,000 15,605,000 
      realized and unrealized gains on derivative instruments
                                                                                                 
      realized and unrealized (gains) and losses on derivative instruments
                                                                                                 
      net income applicable to common stock holders
                                                                         3,623,000                        
      basic earnings per common share applicable to common stock holders:
                                                                         450                        
      diluted earnings per common share applicable to common stock holders:
                                                                         420                        
      total net finance costs:
                                                                              4,234,750 6,838,000                  
      net interest and finance costs
                                                                                 5,395,000 5,086,000 4,469,000 4,155,000 4,305,000 4,354,000 4,212,000 4,426,000 4,173,000 4,290,000 5,325,000 4,629,000 4,434,000 5,394,000 5,738,000 6,281,000 
      basic earnings per common share
                                                                                     110    100        
      diluted earnings per common share
                                                                                     110    90        
      income taxes
                                                                                                 
      cost of goods sold
                                                                                         526,000        
      residual share
                                                                                              -33,000 204,000 81,000 
      income from continuing operations before income taxes
                                                                                          1,871,000 52,000 901,000 1,510,000 176,000 2,876,000 4,868,000 
      income from continuing operations
                                                                                          2,020,000 33,000 577,000 966,000 420,000 1,755,000 2,969,000 
      discontinued operations
                                                                                                 
      income from discontinued operations
                                                                                              27,000 45,000  
      loss on disposal of discontinued operations
                                                                                                 
      discontinued operations - sum
                                                                                               45,000  
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-09-30 2024-03-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 2003-12-31 2003-09-30 2003-06-30 2003-03-31 2002-12-31 2002-09-30 2002-06-30 2002-03-31 2001-12-31 2001-09-30 2001-06-30 
                                                                                                  
        assets
                                                                                                  
        cash and cash equivalents
      12,885,000 7,622,000 5,372,000 5,918,000 9,821,000 12,146,000 11,914,000 12,858,000 14,105,000 14,329,000 15,092,000 16,455,000 26,490,000 42,540,000 91,485,000 100,096,000 81,360,000 6,720,000 8,976,000 11,604,000 12,181,000 11,688,000 8,436,000 8,938,000 12,662,000 7,052,000 7,879,000 11,256,000 11,890,000 10,076,000 10,653,000 21,054,000 12,743,000 9,732,000 9,245,000 16,172,000 15,635,000 13,493,000 10,841,000 12,372,000 15,631,000 12,801,000 4,028,000 4,340,000 1,357,000 5,379,000 17,179,000 4,574,000 5,601,000 6,440,000 6,007,000 8,252,000 2,754,000 2,225,000 2,013,000 1,685,000 1,924,000 2,056,000 36,063,000 39,067,000 19,592,000 8,618,000 1,508,000 1,576,000 2,330,000 7,234,000 817,000 2,974,000 1,610,000 387,000 541,000 2,078,000 2,892,000 6,346,000 4,184,000 4,383,000                 
        restricted cash
      158,082,000 86,620,000 50,260,000 49,094,000 54,684,000 76,870,000 69,473,000 60,982,000 68,875,000 81,312,000 56,477,000 212,734,000 38,274,000 36,385,000 66,373,000 71,312,000 235,879,000 56,948,000 71,747,000 76,448,000 68,452,000 70,261,000 155,420,000 37,880,000 44,511,000 40,272,000 64,051,000 43,244,000 29,306,000 22,298,000 28,217,000 38,816,000 29,964,000 33,026,000 26,883,000 50,686,000 45,616,000 51,258,000 47,116,000 44,547,000 53,375,000 50,794,000 38,003,000 35,336,000 32,493,000 24,591,000 54,225,000 84,878,000 86,067,000 76,252,000 80,273,000 106,714,000 95,493,000 77,013,000 95,704,000 70,389,000 67,675,000 59,630,000 69,485,000 81,482,000 70,467,000 69,194,000 105,828,000 64,198,000 58,567,000 64,960,000 75,686,000 77,425,000 66,194,000 72,759,000 63,828,000 64,176,000 64,846,000 61,257,000 63,991,000 42,959,000                 
        equipment held for operating lease, less accumulated depreciation of 617,435 and 613,118 at september 30, 2025 and december 31, 2024, respectively
      2,700,373,000                                                                                            
        maintenance rights
      27,044,000 9,180,000 13,375,000 14,032,000 14,598,000 17,708,000 21,358,000 22,511,000 22,511,000 22,511,000 22,511,000 22,468,000 20,097,000 20,097,000 767,000 767,000 3,133,000 3,133,000 3,133,000 9,944,000 14,763,000 14,763,000 14,763,000 14,763,000 14,763,000 14,763,000 16,263,000 17,159,000 17,160,000 17,670,000 16,774,000 16,774,000                                                             
        equipment held for sale
      23,329,000 2,856,000 1,060,000 2,713,000 1,411,000 3,275,000 3,853,000 4,380,000 10,873,000 6,952,000 11,057,000 13,402,000 2,850,000 2,850,000 2,843,000 50,000 50,000 120,000 542,000 4,079,000 629,000 789,000 40,931,000 18,430,000 23,671,000 34,172,000 32,798,000 27,826,000 58,083,000 30,710,000 13,899,000 29,727,000 25,971,000 23,454,000 21,054,000 29,352,000 17,600,000 18,114,000 20,795,000 27,804,000 30,376,000 32,491,000 31,506,000 22,786,000 23,996,000 23,607,000 8,117,000 7,639,000 8,824,000 20,648,000 4,501,000 6,987,000 6,917,000 7,418,000 7,847,000 11,076,000 12,178,000 14,263,000 18,823,000 11,238,000 9,455,000 21,191,000 20,561,000 9,079,000 14,971,000 7,537,000 9,308,000 11,576,000 9,002,000 10,033,000 9,898,000 5,532,000 5,614,000 6,223,000                   
        accounts receivable
      42,289,000 61,881,000 46,305,000 52,259,000 48,463,000 46,954,000 49,544,000 40,472,000 42,598,000 39,623,000 42,595,000 45,112,000 40,483,000 28,269,000 42,244,000 41,678,000 31,123,000 24,059,000 33,890,000 46,900,000 24,986,000 23,270,000                                                                       
        spare parts inventory
      53,712,000 85,165,000 45,476,000 41,764,000 37,161,000 38,577,000 41,901,000 43,396,000 47,654,000 50,959,000 53,556,000 54,777,000 57,870,000 59,434,000 54,986,000 50,670,000 41,754,000 41,759,000 42,314,000 45,846,000 47,038,000 48,874,000 24,409,000 27,146,000 24,070,000 16,379,000 18,422,000 22,955,000 24,475,000 25,443,000 19,235,000 19,027,000 19,293,000 20,526,000 22,811,000 19,006,000 18,288,000 18,593,000 12,690,000                                                      
        investments
      98,115,000 60,299,000 53,860,000 53,716,000 54,896,000 56,189,000 54,283,000 55,341,000 54,454,000 55,927,000 53,153,000 52,940,000 56,142,000 53,275,000 53,673,000 58,865,000 57,922,000 57,936,000 53,952,000 52,242,000 54,253,000 47,941,000 44,438,000 50,749,000 51,250,000 50,641,000 49,262,000 45,928,000 44,540,000 45,406,000 43,314,000 44,295,000 43,272,000 41,295,000 41,740,000 42,789,000 42,574,000 41,590,000 26,427,000 24,036,000 23,790,000 23,485,000 18,072,000 31,451,000 28,070,000 21,831,000 19,540,000 18,427,000 17,365,000 15,239,000 15,037,000 17,637,000 9,687,000 9,381,000 10,802,000 10,752,000 10,673,000 10,701,000 10,549,000 10,474,000 10,423,000 10,434,000 10,451,000 10,458,000 10,359,000 10,327,000 10,292,000 10,299,000 10,310,000 10,602,000 10,484,000 10,511,000 10,586,000 10,347,000   1,480,000  1,480,000 1,480,000 1,480,000 1,480,000 1,480,000 1,480,000 1,480,000 1,480,000 1,480,000 1,480,000 1,480,000 1,480,000 1,480,000 1,480,000 
        property, equipment & furnishings, less accumulated depreciation of 26,394 and 22,784 at september 30, 2025 and december 31, 2024, respectively
      67,393,000                                                                                            
        intangible assets
      271,000 1,034,000 1,085,000 1,100,000 1,114,000 1,129,000 1,144,000 1,158,000 1,173,000 1,188,000 1,202,000 1,217,000 1,232,000 1,246,000 1,261,000 1,282,000 1,297,000 1,312,000 1,327,000 1,342,000 1,359,000 1,379,000 1,430,000 1,525,000 1,626,000 1,727,000 1,878,000 1,980,000 2,081,000 2,182,000 758,000  874,000 932,000 990,000 1,048,000 1,106,000 1,164,000 1,222,000 1,280,000 1,338,000 1,396,000                                                   
        notes receivable, net of allowances of 184 and 247 at september 30, 2025 and december 31, 2024, respectively
      144,842,000                                                                                            
        investments in sales-type leases, net of allowances of 16 and 22 at september 30, 2025 and december 31, 2024, respectively
      16,281,000                                                                                            
        other assets
      76,731,000 63,075,000 77,870,000 83,507,000 85,069,000 87,205,000 85,976,000 74,590,000 70,715,000 51,975,000 47,047,000 49,170,000 49,631,000 43,778,000 27,296,000 28,534,000 28,252,000 28,038,000 17,458,000 20,261,000 18,109,000 15,164,000 33,865,000 35,470,000 35,251,000 50,932,000 12,854,000 26,194,000 12,372,000 14,213,000 11,603,000 9,423,000 11,048,000 22,434,000 27,516,000 24,704,000 25,261,000 24,099,000 31,965,000 22,208,000 21,849,000 22,355,000 20,779,000 20,905,000 26,002,000 21,574,000 18,225,000 14,437,000 18,026,000 15,875,000 11,141,000 19,062,000 15,088,000 12,565,000 12,249,000 13,148,000 14,939,000 14,437,000 13,521,000 17,370,000 13,811,000 13,969,000 15,406,000 33,692,000 35,129,000 23,903,000 16,593,000 18,578,000 19,753,000 20,397,000 16,477,000 15,136,000 16,102,000 15,997,000 15,114,000 9,582,000 8,960,000 9,670,000 9,580,000 6,516,000 6,833,000 8,449,000 7,787,000 6,917,000 8,489,000 8,559,000 8,943,000 6,742,000 6,090,000 7,197,000 7,708,000 7,314,000 
        total assets
      3,421,347,000 2,674,462,000 2,602,320,000 2,603,956,000 2,587,334,000 2,575,217,000 2,541,968,000 2,396,383,000 2,429,926,000 2,462,927,000 2,500,888,000 2,584,976,000 2,409,674,000 2,364,948,000 2,149,223,000 2,209,571,000 2,326,655,000 1,940,608,000 1,930,435,000 1,930,783,000 1,905,502,000 1,934,943,000 1,965,196,000 1,783,435,000 1,724,505,000 1,603,431,000 1,435,899,000 1,386,354,000 1,322,989,000 1,337,887,000 1,291,328,000 1,292,397,000 1,277,460,000 1,308,577,000 1,285,105,000 1,282,227,000 1,259,726,000 1,261,626,000 1,187,056,000 1,179,252,000 1,192,617,000 1,199,229,000 1,139,421,000 1,145,575,000 1,148,001,000 1,078,715,000 1,110,673,000 1,116,761,000 1,126,547,000 1,133,205,000 1,095,310,000 1,190,642,000 1,144,755,000 1,125,962,000 1,085,443,000 1,095,193,000 1,091,785,000 1,097,702,000 1,092,781,000 1,084,734,000 1,001,397,000 983,309,000 950,305,000 920,580,000 900,595,000 868,590,000 825,356,000 778,865,000 747,888,000 737,864,000 706,872,000 692,759,000 659,866,000 655,677,000 614,486,000 571,016,000 578,963,000 585,458,000 570,470,000 563,689,000 551,653,000 560,022,000 542,566,000 545,083,000 546,327,000 543,995,000 546,916,000 553,185,000 531,503,000 532,453,000 534,385,000 520,431,000 
        liabilities, redeemable preferred stock and shareholders’ equity
                                                                                                  
        liabilities:
                                                                                                  
        accounts payable and accrued expenses
      79,648,000 103,348,000 42,973,000 41,927,000 42,077,000 43,040,000 29,493,000 26,183,000 32,358,000 26,858,000 50,124,000 34,702,000 24,391,000 26,977,000 27,086,000 32,359,000 37,010,000 45,648,000 40,035,000 32,964,000 32,410,000 42,939,000 40,879,000 28,137,000 36,800,000 22,072,000 20,887,000 24,452,000 22,239,000 17,792,000 15,700,000 19,203,000 23,087,000 21,665,000 18,883,000 19,730,000 12,636,000 21,614,000 20,949,000 19,645,000 18,917,000 16,283,000 12,877,000 18,334,000 14,061,000 15,374,000 12,878,000 15,873,000 16,179,000 16,833,000 16,079,000 17,854,000 16,524,000 18,099,000 11,384,000 11,276,000 12,718,000 14,352,000 21,463,000 14,002,000 15,167,000 12,732,000 14,623,000 11,286,000 16,034,000 11,825,000 12,002,000 12,345,000 13,913,000 14,755,000 6,830,000 5,800,000 6,645,000 26,152,000 7,892,000 8,195,000 5,516,000 7,280,000 6,582,000 8,597,000 8,340,000 5,753,000 4,612,000 4,289,000 4,507,000 4,328,000 4,061,000 16,280,000 5,443,000 4,450,000 16,861,000 7,549,000 
        deferred income taxes
      223,734,000 156,030,000 143,090,000 137,884,000 133,103,000 132,516,000 130,288,000 127,400,000 121,398,000 124,332,000 118,941,000 115,657,000 118,570,000 116,838,000 121,053,000 117,915,000 113,762,000 110,418,000 108,690,000 101,711,000 96,995,000 90,285,000 87,142,000 83,814,000 81,053,000 78,280,000 116,685,000 114,127,000 110,063,000 104,978,000 102,788,000 101,326,000 99,347,000 96,742,000 93,341,000 91,443,000 91,866,000 90,510,000 91,199,000 89,846,000 88,924,000 86,685,000 82,608,000 83,677,000 91,363,000 90,248,000 88,777,000 88,138,000 86,550,000 84,706,000 84,002,000 81,077,000 79,651,000 75,645,000 69,883,000 69,156,000 69,805,000 69,118,000 62,892,000 63,672,000 57,651,000 56,118,000 58,696,000 53,578,000 46,945,000 46,632,000 46,392,000 46,232,000 42,410,000 30,813,000 30,235,000 29,959,000 29,167,000 28,588,000 28,102,000 28,581,000 28,293,000 27,530,000 26,867,000 27,092,000 25,487,000 25,283,000 24,613,000 23,911,000 23,911,000 23,589,000 23,898,000 23,893,000 23,621,000 22,804,000 21,627,000 21,056,000 
        debt obligations
      2,239,451,000 1,735,570,000 1,788,024,000 1,827,021,000 1,836,888,000 1,847,278,000 1,851,650,000 1,731,807,000 1,759,126,000 1,790,264,000 1,814,208,000 1,911,159,000 1,724,130,000 1,693,753,000 1,462,730,000 1,520,240,000 1,626,206,000 1,251,006,000 1,258,984,000 1,285,557,000 1,297,836,000 1,337,349,000 1,392,113,000 1,232,847,000 1,179,657,000 1,085,405,000                                                                   
        maintenance reserves
      102,897,000 99,529,000 85,370,000 73,872,000 69,544,000 59,453,000 58,022,000 56,811,000 67,762,000 65,976,000 61,482,000 73,397,000 88,782,000 82,484,000 96,210,000 100,179,000 112,407,000 106,870,000 99,502,000 113,409,000 93,979,000 94,522,000 88,986,000 88,114,000 85,278,000 75,889,000 69,600,000 68,512,000 66,751,000 71,602,000 61,160,000 69,273,000 65,554,000 71,054,000 69,789,000 67,770,000 69,672,000 66,474,000 73,298,000 75,103,000 79,751,000 77,335,000 76,579,000 70,493,000 66,992,000 63,313,000 63,097,000 61,762,000 57,636,000 54,509,000 53,341,000 54,489,000 51,736,000 50,442,000 49,099,000 51,721,000 51,105,000 46,752,000 52,001,000 58,316,000 51,285,000 49,158,000 50,246,000 52,811,000 52,305,000 49,481,000 44,390,000 40,315,000 39,870,000 71,061,000 76,122,000 73,955,000 69,980,000 63,156,000 61,301,000 58,284,000 57,835,000 56,871,000 57,774,000 54,154,000 46,765,000 46,408,000 42,963,000 39,047,000 35,813,000 34,211,000 34,846,000 34,908,000 32,457,000 31,761,000 32,130,000 29,454,000 
        security deposits
      25,703,000 26,525,000 23,462,000 22,528,000 21,639,000 20,490,000 19,909,000 18,037,000 18,321,000 19,349,000 22,915,000 20,574,000 19,658,000 19,522,000 21,209,000 22,841,000 24,303,000 20,569,000 22,165,000 21,994,000 22,212,000 28,047,000 28,591,000 27,143,000 26,340,000 25,302,000 24,706,000 23,074,000 21,256,000 21,417,000 24,530,000 24,905,000 25,074,000 25,010,000 25,973,000 19,359,000 20,771,000 20,869,000 19,899,000 18,197,000 16,318,000 15,158,000 12,535,000 10,974,000 9,805,000 6,956,000 7,093,000 6,572,000 6,523,000 6,278,000 5,946,000 5,868,000 5,817,000 5,726,000 5,352,000 5,914,000 5,288,000 5,481,000 5,145,000 5,992,000 5,510,000 5,179,000 5,332,000 6,407,000 6,148,000 5,890,000 5,295,000 5,149,000 5,468,000 4,848,000 4,271,000 3,469,000 4,140,000 3,964,000 4,380,000 3,685,000 2,154,000 2,088,000 2,330,000 2,246,000 2,221,000 2,314,000 2,424,000 2,375,000 2,319,000 3,501,000 3,805,000 5,232,000 4,177,000 4,630,000 4,590,000 4,468,000 
        unearned revenue
      36,379,000 41,687,000 37,521,000 33,626,000 28,184,000 17,863,000 13,331,000 11,404,000 10,128,000 10,458,000 12,590,000 11,034,000 11,988,000 11,637,000 6,939,000 8,489,000 10,301,000 6,121,000 5,949,000 5,139,000 5,057,000 5,460,000 7,264,000 8,581,000 9,268,000 8,102,000    5,823,000                                                               
        total liabilities
      2,707,812,000 2,162,689,000 2,120,440,000 2,136,858,000 2,131,435,000 2,120,640,000 2,102,693,000 1,971,642,000 2,009,093,000 2,037,237,000 2,080,260,000 2,166,523,000 1,987,519,000 1,951,211,000 1,735,227,000 1,802,023,000 1,923,989,000 1,540,632,000 1,535,325,000 1,560,774,000 1,548,489,000 1,598,602,000 1,644,975,000 1,468,636,000 1,418,396,000 1,295,050,000 1,170,823,000 1,157,142,000 1,097,753,000 1,121,867,000 1,094,854,000 1,096,247,000 1,067,444,000 1,098,245,000 1,065,257,000 1,064,299,000 1,040,503,000 1,044,765,000 969,621,000 960,435,000 975,060,000 986,624,000 932,940,000 932,887,000 946,208,000 879,162,000 868,103,000 873,290,000 888,055,000 896,544,000 863,280,000 959,548,000 916,015,000 898,992,000 864,468,000 874,231,000 869,714,000 876,909,000 875,678,000 872,850,000 801,266,000 791,102,000 753,705,000 734,210,000 725,730,000 693,938,000 652,370,000 605,238,000 580,874,000 590,783,000 551,587,000 536,721,000 505,550,000 534,204,000 495,226,000 451,609,000 460,777,000 468,990,000 456,217,000 449,261,000 440,883,000 449,960,000 434,581,000 438,653,000 440,084,000 438,465,000 443,353,000 449,597,000 428,400,000 430,872,000 433,704,000 420,845,000 
        redeemable preferred stock
      63,331,000 49,976,000 49,952,000 49,931,000 49,910,000 49,889,000 49,868,000 49,847,000 49,826,000 49,805,000 49,785,000 49,764,000 49,743,000 49,722,000 49,701,000 49,680,000 49,659,000 49,638,000 49,617,000 49,596,000 49,575,000 49,554,000 49,533,000 49,512,000 49,491,000 49,471,000 49,485,000 19,777,000 19,767,000 19,760,000                                                               
        shareholders’ equity:
                                                                                                  
        common stock
      76,000 69,000 69,000 68,000 66,000 66,000 66,000 63,000 65,000 65,000 66,000 67,000 66,000 66,000 66,000 66,000 63,000 64,000 64,000 64,000 62,000 62,000 62,000 64,000 61,000 64,000 64,000 64,000 65,000 64,000 66,000 67,000 74,000 75,000 83,000 82,000 83,000 83,000 82,000 84,000 84,000 84,000 85,000 89,000 87,000 87,000 93,000 93,000 92,000 91,000 92,000 90,000 88,000 92,000 94,000 94,000 92,000 92,000 92,000 92,000 91,000 91,000 88,000 87,000                             
        paid-in capital in excess of par
      67,379,000 33,657,000 25,709,000 21,740,000 23,500,000 20,386,000 17,810,000 14,562,000 18,353,000 15,401,000 15,653,000 16,196,000 16,580,000 13,696,000 10,524,000 7,203,000 6,527,000 4,557,000 2,373,000  563,000   1,474,000  2,319,000 1,624,000 708,000 2,324,000 2,512,000 5,940,000 7,933,000 24,925,000 28,720,000 40,880,000 41,338,000 42,140,000 42,076,000 42,284,000 44,566,000 45,441,000 44,741,000 44,950,000 49,166,000 48,177,000 47,785,000 58,245,000 57,959,000 56,071,000 56,842,000 56,781,000 56,611,000 55,683,000 60,108,000 61,699,000 61,861,000 61,237,000 60,671,000 60,298,000 59,535,000 58,362,000 57,939,000 57,752,000 56,745,000 56,341,000 55,712,000 55,139,000 54,969,000 54,242,000 53,820,000 64,781,000 64,599,000 63,829,000 63,618,000 63,398,000 63,044,000 62,787,000 62,631,000 62,315,000 62,245,000 61,915,000 61,710,000 61,686,000 61,664,000 61,664,000 61,646,000 61,572,000 61,555,000 61,555,000 61,532,000 61,442,000 61,236,000 
        retained earnings
      583,094,000 417,738,000 387,743,000 373,965,000 360,981,000 357,493,000 343,990,000 338,441,000 333,365,000 355,388,000 354,486,000 352,442,000 353,216,000 355,370,000 359,104,000 356,960,000 352,420,000 348,965,000 344,809,000 321,577,000 306,912,000 286,623,000 269,664,000 262,548,000 255,020,000 256,301,000 214,438,000 209,497,000 203,841,000 194,729,000 192,311,000 188,326,000 185,826,000 182,058,000 179,085,000 176,508,000 177,000,000 174,702,000 174,980,000 174,000,000 171,786,000 167,455,000 161,984,000 164,213,000 154,521,000 152,911,000 153,682,000 161,658,000 159,211,000 156,704,000 153,838,000 152,305,000 149,605,000 145,324,000 142,096,000 139,795,000 138,670,000 136,402,000 136,157,000 127,640,000 123,403,000 117,163,000 113,597,000 103,653,000 98,013,000 93,690,000 89,358,000 86,389,000 82,777,000 62,233,000 59,223,000 58,319,000 58,053,000 57,924,000 55,771,000 54,911,000 53,347,000 52,781,000 51,316,000 50,808,000 49,893,000 48,924,000 47,486,000 46,741,000 46,214,000 45,372,000 43,352,000 43,319,000 42,742,000 41,776,000 41,315,000 39,516,000 
        accumulated other comprehensive income, net of income tax expense of (99) and 1,981 at september 30, 2025 and december 31, 2024, respectively
      -345,000                                                                                            
        total shareholders’ equity
      650,204,000 461,797,000 431,928,000 417,167,000 405,989,000 404,688,000 389,407,000 374,894,000 371,007,000 375,885,000 370,843,000 368,689,000 372,412,000 364,015,000 364,295,000 357,868,000 353,007,000 350,338,000 345,493,000 320,413,000 307,438,000 286,787,000 270,688,000 265,287,000 256,618,000 258,910,000 215,591,000 209,435,000 205,469,000 196,260,000 196,474,000 196,150,000 210,016,000 210,332,000 219,848,000 217,928,000 219,223,000 216,861,000 217,435,000 218,817,000 217,557,000 212,605,000 206,481,000 212,688,000 201,793,000 199,553,000 242,570,000 243,471,000 238,492,000 236,661,000 232,030,000 231,094,000 228,740,000 226,970,000 220,975,000 220,962,000 222,071,000 220,793,000 217,103,000 211,884,000 200,131,000 192,207,000 196,600,000 186,370,000 174,865,000 174,652,000 172,986,000 173,627,000 167,014,000 147,081,000 155,285,000 156,038,000 154,316,000 121,473,000 119,260,000 119,407,000 118,186,000 116,468,000  114,428,000 110,770,000 110,062,000 107,985,000 106,430,000 106,243,000 105,530,000 103,563,000 103,588,000     
        total liabilities, redeemable preferred stock and equity
      3,421,347,000                                                                                            
        equipment held for operating lease, less accumulated depreciation of 592,272 and 594,293 at march 31, 2024 and december 31, 2023, respectively
       2,130,327,000                                                                                           
        property, equipment & furnishings, less accumulated depreciation of 19,890 and 19,374 at march 31, 2024 and december 31, 2023, respectively
       35,531,000                                                                                           
        notes receivable, net of allowances of 111 and 69 at march 31, 2024 and december 31, 2023, respectively
       97,859,000                                                                                           
        investments in sales-type leases, net of allowances of 8 and 9 at march 31, 2024 and december 31, 2023, respectively
       33,013,000                                                                                           
        accumulated other comprehensive income, net of income tax expense of 2,954 and 3,276 at march 31, 2024 and december 31, 2023, respectively
       10,333,000                                                                                           
        total liabilities, redeemable preferred stock and shareholders’ equity
       2,674,462,000 2,602,320,000 2,603,956,000 2,587,334,000 2,575,217,000 2,541,968,000 2,396,383,000 2,429,926,000 2,462,927,000 2,500,888,000 2,584,976,000  2,364,948,000                                                                               
        equipment held for operating lease, less accumulated depreciation of 600,026 and 543,183 at september 30, 2023 and december 31, 2022, respectively
        2,170,980,000                                                                                          
        property, equipment & furnishings, less accumulated depreciation of 18,494 and 16,060 at september 30, 2023 and december 31, 2022, respectively
        37,164,000                                                                                          
        notes receivable, net of allowances of 71 and 0 at september 30, 2023 and december 31, 2022, respectively
        93,999,000                                                                                          
        investments in sales-type leases, net of allowances of 6 and 0 at september 30, 2023 and december 31, 2022, respectively
        5,514,000                                                                                          
        accumulated other comprehensive income, net of income tax expense of 5,236 and 7,587 at september 30, 2023 and december 31, 2022, respectively
        18,407,000                                                                                          
        equipment held for operating lease, less accumulated depreciation of 578,834 and 543,183 at june 30, 2023 and december 31, 2022, respectively
         2,161,650,000                                                                                         
        property, equipment & furnishings, less accumulated depreciation of 17,619 and 16,060 at june 30, 2023 and december 31, 2022, respectively
         37,329,000                                                                                         
        notes receivable, net of allowances of 72 and 0 at june 30, 2023 and december 31, 2022, respectively
         95,047,000                                                                                         
        investments in sales-type leases, net of allowances of 6 and 0 at june 30, 2023 and december 31, 2022, respectively
         5,827,000                                                                                         
        accumulated other comprehensive income, net of income tax expense of 6,078 and 7,587 at june 30, 2023 and december 31, 2022, respectively
         21,394,000                                                                                         
        equipment held for operating lease, less accumulated depreciation of 559,588 and 543,183 at march 31, 2023 and december 31, 2022, respectively
          2,141,839,000                                                                                        
        property, equipment & furnishings, less accumulated depreciation of 16,810 and 16,060 at march 31, 2023 and december 31, 2022, respectively
          36,174,000                                                                                        
        notes receivable, net of allowances of 73 and 0 at march 31, 2023 and december 31, 2022, respectively
          95,971,000                                                                                        
        investments in sales-type leases , net of allowances of 6 and 0 at march 31, 2023 and december 31, 2022, respectively
          6,133,000                                                                                        
        accumulated other comprehensive income, net of income tax expense of 6,093 and 7,587 at march 31, 2023 and december 31, 2022, respectively
          21,442,000                                                                                        
        equipment held for operating lease, less accumulated depreciation of 543,183 and 524,968 at december 31, 2022 and 2021, respectively
           2,111,935,000                                                                                       
        property, equipment & furnishings, less accumulated depreciation of 16,060 and 13,484 at december 31, 2022 and 2021, respectively
           35,350,000                                                                                       
        notes receivable
           81,439,000 82,487,000 83,295,000 114,253,000 115,456,000 196,146,000 195,645,000 197,552,000 158,708,000 159,627,000 170,362,000 115,853,000 38,145,000 41,319,000                             5,000 542,000 542,000 587,000 643,000 693,000 747,000  1,081,000 829,000 943,000            12,000 20,000 66,000 92,000 161,000 229,000 298,000 4,717,000 436,000 2,733,000 6,505,000             
        investments in sales-type leases
           6,440,000                                                                                       
        accumulated other comprehensive income, net of income tax expense of 7,587 and 1,469 at december 31, 2022 and 2021, respectively
           26,743,000                                                                                       
        equipment held for operating lease, less accumulated depreciation of 531,913 and 524,968 at september 30, 2022 and december 31, 2021, respectively
            2,078,775,000                                                                                      
        property, equipment & furnishings, less accumulated depreciation of 15,250 and 13,484 at september 30, 2022 and december 31, 2021, respectively
            34,525,000                                                                                      
        investment in sales-type leases
            6,735,000 7,025,000                                                                                     
        accumulated other comprehensive income, net of income tax expense of 7,990 and 1,469 at september 30, 2022 and december 31, 2021, respectively
            27,541,000                                                                                      
        equipment held for operating lease, less accumulated depreciation of 518,249 and 524,968 at june 30, 2022 and december 31, 2021, respectively
             1,957,638,000                                                                                     
        property, equipment & furnishings, less accumulated depreciation of 14,676 and 13,484 at june 30, 2022 and december 31, 2021, respectively
             32,737,000                                                                                     
        accumulated other comprehensive income, net of income tax expense of 6,328 and 1,469 at june 30, 2022 and december 31, 2021, respectively
             21,828,000                                                                                     
        equipment held for operating lease, less accumulated depreciation of 526,243 and 524,968 at march 31, 2022 and december 31, 2021, respectively
              1,951,448,000                                                                                    
        property, equipment & furnishings, less accumulated depreciation of 14,064 and 13,484 at march 31, 2022 and december 31, 2021, respectively
              31,267,000                                                                                    
        accumulated other comprehensive income, net of income tax expense of 5,570 and 1,469 at march 31, 2022 and december 31, 2021, respectively
              19,224,000                                                                                    
        equipment held for operating lease, less accumulated depreciation of 524,968 and 454,123 at december 31, 2021 and 2020, respectively
               1,991,368,000                                                                                   
        property, equipment & furnishings, less accumulated depreciation of 13,484 and 11,356 at december 31, 2021 and 2020, respectively
               31,327,000                                                                                   
        accumulated other comprehensive income, net of income tax expense of 1,469 and (1,428) at december 31, 2021 and 2020, respectively.
               5,031,000                                                                                   
        equipment held for operating lease, less accumulated depreciation of 505,605 and 454,123 at september 30, 2021 and december 31, 2020, respectively
                1,971,252,000                                                                                  
        property, equipment & furnishings, less accumulated depreciation of 12,900 and 11,356 at september 30, 2021 and december 31, 2020, respectively
                30,800,000                                                                                  
        accumulated other comprehensive income, net of income tax expense of 201 and (1,485) at september 30, 2021 and december 31, 2020, respectively
                638,000                                                                                  
        equipment held for operating lease, less accumulated depreciation of 496,531 and 454,123 at june 30, 2021 and december 31, 2020, respectively
                 1,889,908,000                                                                                 
        property, equipment & furnishings, less accumulated depreciation of 12,282 and 11,356 at june 30, 2021 and december 31, 2020, respectively
                 31,148,000                                                                                 
        accumulated other comprehensive loss, net of income tax expense of 10 and (1,485) at june 30, 2021 and december 31, 2020, respectively
                 -16,000                                                                                 
        equipment held for operating lease, less accumulated depreciation of 477,584 and 454,123 at march 31, 2021 and december 31, 2020, respectively
                  1,887,884,000                                                                                
        property, equipment & furnishings, less accumulated depreciation of 11,629 and 11,356 at march 31, 2021 and december 31, 2020, respectively
                  31,169,000                                                                                
        accumulated other comprehensive income, net of income tax expense of 788 and (1,428) at march 31, 2021 and december 31, 2020, respectively
                  2,550,000                                                                                
        total liabilities, redeemable preferred stock and shareholders' equity
                  2,409,674,000  2,149,223,000 2,209,571,000 2,326,655,000 1,940,608,000 1,930,435,000 1,930,783,000 1,905,502,000 1,934,943,000 1,965,196,000 1,783,435,000 1,724,505,000 1,603,431,000 1,435,899,000 1,386,354,000 1,322,989,000 1,337,887,000                                                               
        equipment held for operating lease, less accumulated depreciation of 454,123 and 414,835 at december 31, 2020 and 2019, respectively
                   1,886,613,000                                                                               
        property, equipment & furnishings, less accumulated depreciation of 11,356 and 8,666 at december 31, 2020 and 2019, respectively
                   31,753,000                                                                               
        accumulated other comprehensive loss, net of income tax benefit of 1,428 and 896 at december 31, 2020 and 2019, respectively.
                   -5,117,000                                                                               
        equipment held for operating lease, less accumulated depreciation of 437,557 and 414,835 at september 30, 2020 and december 31, 2019, respectively
                    1,616,513,000                                                                              
        property, equipment & furnishings, less accumulated depreciation of 10,716 and 8,666 at september 30, 2020 and december 31, 2019, respectively
                    32,155,000                                                                              
        accumulated other comprehensive loss, net of income tax benefit of 1,508 and 896 at september 30, 2020 and december 31, 2019, respectively
                    -5,399,000                                                                              
        equipment held for operating lease, less accumulated depreciation of 429,563 and 414,835 at june 30, 2020 and december 31, 2019, respectively
                     1,653,695,000                                                                             
        property, equipment & furnishings, less accumulated depreciation of 10,081 and 8,666 at june 30, 2020 and december 31, 2019, respectively
                     32,260,000                                                                             
        accumulated other comprehensive loss, net of income tax benefit of 1,781 and 896 at june 30, 2020 and december 31, 2019, respectively
                     -6,361,000                                                                             
        equipment held for operating lease, less accumulated depreciation of 426,507 and 414,835 at march 31, 2020 and december 31, 2019, respectively
                      1,697,749,000                                                                            
        property, equipment & furnishings, less accumulated depreciation of 9,373 and 8,666 at march 31, 2020 and december 31, 2019, respectively
                      32,283,000                                                                            
        accumulated other comprehensive loss, net of income tax benefit of 1,679 and 896 at march 31, 2020 and december 31, 2019, respectively
                      -6,003,000                                                                            
        equipment held for operating lease, less accumulated depreciation of 414,835 and 385,483 at december 31, 2019 and 2018, respectively
                       1,650,918,000                                                                           
        property, equipment & furnishings, less accumulated depreciation of 8,666 and 6,945 at december 31, 2019 and 2018, respectively
                       31,520,000                                                                           
        accumulated other comprehensive income, net of income tax expense of (896) and 81 at december 31, 2019 and 2018, respectively.
                       -3,248,000                                                                           
        equipment held for operating lease, less accumulated depreciation of 396,777 and 385,483 at september 30, 2019 and december 31, 2018, respectively
                        1,624,937,000                                                                          
        property, equipment & furnishings, less accumulated depreciation of 8,379 and 6,945 at september 30, 2019 and december 31, 2018, respectively
                        30,840,000                                                                          
        accumulated other comprehensive income, net of income tax expense of (460) and 81 at september 30, 2019 and december 31, 2018, respectively
                        -1,753,000                                                                          
        equipment held for operating lease, less accumulated depreciation of 380,166 and 385,483 at june 30, 2019 and december 31, 2018, respectively
                         1,603,179,000                                                                         
        property, equipment & furnishings, less accumulated depreciation of 7,751 and 6,945 at june 30, 2019 and december 31, 2018, respectively
                         28,339,000                                                                         
        notes receivables
                         30,599,000 30,854,000                                                                        
        accumulated other comprehensive income, net of income tax expense of (307) and 81 at june 30, 2019 and december 31, 2018, respectively
                         -1,228,000                                                                         
        equipment held for operating lease, less accumulated depreciation of 389,320 and 385,483 at march 31, 2019 and december 31, 2018, respectively
                          1,605,120,000                                                                        
        property, equipment & furnishings, less accumulated depreciation of 7,437 and 6,945 at march 31, 2019 and december 31, 2018, respectively
                          27,758,000                                                                        
        accumulated other comprehensive income, net of income tax expense of 23 and 83 at march 31, 2019 and december 31, 2018, respectively
                          -99,000                                                                        
        equipment held for operating lease, less accumulated depreciation of 385,483 and 368,683 at december 31, 2018 and 2017, respectively
                           1,673,135,000                                                                       
        property, equipment & furnishings, less accumulated depreciation of 6,945 and 7,374 at december 31, 2018 and 2017, respectively
                           27,679,000                                                                       
        accumulated other comprehensive income, net of income tax expense of 81 and 83 at december 31, 2018 and 2017, respectively.
                           102,000                                                                       
        equipment held for operating lease, less accumulated depreciation of 392,444 and 368,683 at september 30, 2018 and december 31, 2017, respectively
                            1,590,482,000                                                                      
        operating lease related receivables, net of allowances of 1,823 and 949 at september 30, 2018 and december 31, 2017, respectively
                            24,777,000                                                                      
        property, equipment & furnishings, less accumulated depreciation of 8,770 and 7,374 at september 30, 2018 and december 31, 2017, respectively
                            26,245,000                                                                      
        accumulated other comprehensive income, net of income tax expense of 273 and 83 at september 30, 2018 and december 31, 2017, respectively
                            962,000                                                                      
        equipment held for operating lease, less accumulated depreciation of 388,050 and 368,683 at june 30, 2018 and december 31, 2017, respectively
                             1,542,329,000                                                                     
        operating lease related receivables, net of allowances of 1,373 and 949 at june 30, 2018 and december 31, 2017, respectively
                             20,238,000                                                                     
        property, equipment & furnishings, less accumulated depreciation of 8,275 and 7,374 at june 30, 2018 and december 31, 2017, respectively
                             25,967,000                                                                     
        accumulated other comprehensive income, net of income tax expense of 343 and 83 at june 30, 2018 and december 31, 2017, respectively.
                             1,201,000                                                                     
        equipment held for operating lease, less accumulated depreciation of 380,108 and 368,683 at march 31, 2018 and december 31, 2017, respectively
                              1,466,144,000                                                                    
        operating lease related receivables, net of allowances of 1,046 and 949 at march 31, 2018 and december 31, 2017, respectively
                              24,630,000                                                                    
        property, equipment & furnishings, less accumulated depreciation of 7,812 and 7,374 at march 31, 2018 and december 31, 2017, respectively
                              25,927,000                                                                    
        accumulated other comprehensive income, net of income tax expense of 441 and 83 at march 31, 2018 and december 31, 2017, respectively.
                              1,537,000                                                                    
        total assets at march 31, 2018 and december 31, 2017, respectively, include the following assets of variable interest entities (vies) that can only be used to settle the liabilities of the vies: cash, 595 and 130; restricted cash 44,511 and 40,272; equipment, 653,809 and 657,333; and other, 1,230 and 20,090, respectively.
                                                                                                  
        total liabilities at march 31, 2018 and december 31, 2017, respectively, include the following liabilities of vies for which the vies' creditors do not have recourse to willis lease finance corporation: debt obligations, 568,618 and 577,056, respectively.
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 368,683 and 351,553 at december 31, 2017 and 2016, respectively
                               1,342,571,000                                                                   
        operating lease related receivables, net of allowances of 949 and 787 at december 31, 2017 and 2016, respectively
                               18,848,000                                                                   
        property, equipment & furnishings, less accumulated depreciation of 7,374 and 5,858 at december 31, 2017 and 2016, respectively
                               26,074,000                                                                   
        liabilities, redeembable preferred stock and shareholders’ equity
                                                                                                  
        accumulated other comprehensive income, net of income tax benefit of (83) and 551 at december 31, 2017 and december 31, 2016, respectively.
                               226,000                                                                   
        equipment held for operating lease, less accumulated depreciation of 364,174 and 351,553 at september 30, 2017 and december 31, 2016, respectively
                                1,199,883,000                                                                  
        operating lease related receivables, net of allowances of 1,069 and 787 at september 30, 2017 and december 31, 2016, respectively
                                16,422,000                                                                  
        property, equipment & furnishings, less accumulated depreciation of 6,965 and 5,858 at september 30, 2017 and december 31, 2016, respectively
                                16,187,000                                                                  
        notes payable
                                932,132,000 921,782,000 872,201,000 900,255,000 885,643,000 876,706,000 850,031,000 878,684,000 852,156,000 860,979,000 842,177,000 840,956,000 761,230,000 753,820,000 767,108,000 787,614,000 744,300,000 744,498,000 757,135,000                               349,019,000 361,722,000 369,840,000 357,324,000 351,567,000 350,702,000 362,395,000 353,214,000 361,070,000 365,461,000 364,680,000 368,339,000 361,708,000 355,778,000 359,547,000 350,625,000 348,000,000 
        unearned lease revenue
                                6,813,000 5,195,000 5,243,000  5,033,000 4,834,000 4,351,000 5,090,000 5,115,000 5,018,000 3,381,000 4,342,000 3,046,000 3,824,000 4,042,000 3,549,000 3,740,000 4,130,000 5,634,000 4,593,000 4,102,000 3,903,000 4,036,000 3,743,000 4,870,000 2,893,000 3,816,000 3,174,000 2,918,000 3,025,000 3,377,000 3,387,000 3,135,000 3,400,000 4,697,000 5,980,000 4,575,000 4,131,000 3,815,000 5,293,000 5,056,000 6,032,000 4,956,000 3,961,000 4,415,000 5,256,000 4,879,000 4,793,000 4,506,000 3,845,000 5,257,000 5,381,000 5,340,000 5,605,000 5,927,000 7,111,000 5,276,000 5,377,000 5,942,000 6,253,000 6,456,000 5,586,000 4,823,000 4,774,000 4,292,000 5,442,000 
        accumulated other comprehensive loss, net of income tax benefit of 280 and 551 at september 30, 2017 and december 31, 2016, respectively.
                                -535,000                                                                  
        total assets at september 30, 2017 and december 31, 2016 include the following assets of variable interest entities (vie) that can only be used to settle the liabilities of the vie: cash, 116 and 257; restricted cash 64,051 and 22,298; equipment, 658,419 and 309,815; and other, 14,771 and 4,139, respectively.
                                                                                                  
        total liabilities at september 30, 2017 and december 31, 2016 include the following liabilities of vies for which the vie creditors do not have recourse to willis lease finance corporation: notes payable, 585,778 and 273,380, respectively.
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 351,616 and 351,553 at june 30, 2017 and december 31, 2016, respectively
                                 1,160,545,000                                                                 
        operating lease related receivables, net of allowances of 1,058 and 787 at june 30, 2017 and december 31, 2016, respectively
                                 12,867,000                                                                 
        property, equipment & furnishings, less accumulated depreciation of 6,586 and 5,858 at june 30, 2017 and december 31, 2016, respectively
                                 16,400,000                                                                 
        accumulated other comprehensive loss, net of income tax benefit of 439 and benefit 551 at june 30, 2017 and december 31, 2016, respectively.
                                 -834,000                                                                 
        total assets at june 30, 2017 and december 31, 2016 include the following assets of a variable interest entity (vie) that can only be used to settle the liabilities of the vie: cash, 72 and 257; restricted cash 43,244 and 22,298; equipment, 281,472 and 309,815; and other, 8,026 and 4,139, respectively.
                                                                                                  
        total liabilities at june 30, 2017 and december 31, 2016 include the following liabilities of a vie for which the vie creditors do not have recourse to willis lease finance corporation: notes payable, 263,884 and 273,380, respectively.
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 349,273 and 351,553 at march 31, 2017 and december 31, 2016, respectively
                                  1,094,673,000                                                                
        operating lease related receivables, net of allowances of 1,350 and 787 at march 31, 2017 and december 31, 2016, respectively
                                  11,771,000                                                                
        property, equipment & furnishings, less accumulated depreciation of 6,222 and 5,858 at march 31, 2017 and december 31, 2016, respectively
                                  16,638,000                                                                
        accumulated other comprehensive loss, net of income tax benefit of 401 and 275 at march 31, 2017 and december 31, 2016, respectively.
                                  -761,000                                                                
        total assets at march 31, 2017 and december 31, 2016 include the following assets of a variable interest entity (vie) that can only be used to settle the liabilities of the vie: cash, 583 and 257; restricted cash 29,306 and 22,298; equipment, 302,620 and 309,815; and other, 4,087 and 4,139, respectively.
                                                                                                  
        total liabilities at march 31, 2017 and december 31, 2016 include the following liabilities of a vie for which the vie creditors do not have recourse to willis lease finance corporation: notes payable, 268,695 and 273,380, respectively.
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 351,553 and 316,366 at december 31, 2016 and 2015, respectively
                                   1,136,603,000                                                               
        operating lease related receivables, net of allowances of 787 and 912 at december 31, 2016 and 2015, respectively
                                   16,484,000                                                               
        property, equipment & furnishings, less accumulated depreciation of 5,858 and 11,102 at december 31, 2016 and 2015, respectively
                                   16,802,000                                                               
        accumulated other comprehensive loss, net of income tax benefit of 551 and 275 at december 31, 2016 and december 31, 2015, respectively.
                                   -1,045,000                                                               
        certain amounts include adjustments to prior periods see "note 1. summary of significant accounting policies (c) correction of immaterial errors - consolidated financial statements" for further disclosure.
                                                                                                  
        total assets at december 31, 2016 and december 31, 2015 include the following assets of a variable interest entity (vie) that can only be used to settle the liabilities of the vie: cash, 257 and 750 ; restricted cash 22,298 and 33,026, equipment, 309,815 and 328,118; and other, 4,139 and 6,329 respectively."
                                                                                                  
        total liabilities at december 31, 2016 and december 31, 2015 include the following liabilities of a vie for which the vie creditors do not have recourse to willis lease finance corporation: notes payable, 273,380 and 293,331, respectively.
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 350,595 and 316,366 at september 30, 2016 and december 31, 2015, respectively
                                    1,118,202,000                                                              
        operating lease related receivables, net of allowances of 761 and 912 at september 30, 2016 and december 31, 2015, respectively
                                    12,128,000                                                              
        property, equipment & furnishings, less accumulated depreciation of 5,512 and 11,102 at september 30, 2016 and december 31, 2015, respectively
                                    16,545,000                                                              
        liabilities and shareholders’ equity
                                                                                                  
        accumulated other comprehensive loss, net of income tax benefit of 974 and 275 at september 30, 2016 and december 31, 2015, respectively.
                                    -1,843,000                                                              
        total liabilities and shareholders’ equity
                                    1,291,328,000 1,292,397,000 1,277,460,000 1,308,577,000 1,285,105,000 1,282,227,000 1,259,726,000 1,261,626,000 1,187,056,000 1,179,252,000 1,192,617,000 1,199,229,000 1,139,421,000 1,145,575,000 1,148,001,000 1,078,715,000 1,110,673,000 1,116,761,000 1,126,547,000 1,133,205,000 1,095,310,000 1,190,642,000 1,144,755,000 1,125,962,000 1,085,443,000 1,095,193,000 1,091,785,000 1,097,702,000 1,092,781,000 1,084,734,000 1,001,397,000 983,309,000 950,305,000 920,580,000 900,595,000 868,590,000 825,356,000 778,865,000 747,888,000 737,864,000 706,872,000 692,759,000 659,866,000 655,677,000 614,486,000 571,016,000 578,963,000 585,458,000  563,689,000 551,653,000 560,022,000 542,566,000 545,083,000 546,327,000 543,995,000 546,916,000 553,185,000     
        total assets at september 30, 2016 and december 31, 2015 include the following assets of a variable interest entity (vie) that can only be used to settle the liabilities of the vie: cash, 28,427 and 33,776; equipment, 316,206 and 328,118; and other, 3,901 and 6,329 respectively.
                                                                                                  
        total liabilities at september 30, 2016 and december 31, 2015 include the following liabilities of a vie for which the vie creditors do not have recourse to willis lease finance corporation: notes payable, 278,426 and 293,331, respectively.
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 334,390 and 316,366 at june 30, 2016 and december 31, 2015, respectively
                                     1,081,481,000                                                             
        operating lease related receivables, net of allowances of 938 and 912 at june 30, 2016 and december 31, 2015, respectively
                                     14,270,000                                                             
        property, equipment & furnishings, less accumulated depreciation of 5,170 and 11,102 at june 30, 2016 and december 31, 2015, respectively
                                     16,714,000                                                             
        other intangible assets
                                     816,000                                                             
        accumulated other comprehensive loss, net of income tax benefit of 93 and 275 at june 30, 2016 and december 31, 2015, respectively.
                                     -176,000                                                             
        certain amounts include adjustments to prior periods see "note 1. summary of significant accounting policies (c) correction of errors - consolidated financial statements" for further disclosure.
                                                                                                  
        total assets at june 30, 2016 and december 31, 2015 include the following assets of a variable interest entity (vie) that can only be used to settle the liabilities of the vie: cash, 39,012 and 33,776; equipment, 322,073 and 328,118; and other, 12,768 and 12,692, respectively.
                                                                                                  
        total liabilities at june 30, 2016 and december 31, 2015 include the following liabilities of a vie for which the vie creditors do not have recourse to willis lease finance corporation: notes payable, 283,077 and 293,331, respectively.
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 320,609 and 316,532 at march 31, 2016 and december 31, 2015, respectively
                                      1,101,604,000                                                            
        operating lease related receivables, net of allowances of 1,121 and 912 at march 31, 2016 and december 31, 2015, respectively
                                      15,690,000                                                            
        property, equipment & furnishings, less accumulated depreciation of 4,902 and 11,102 at march 31, 2016 and december 31, 2015, respectively
                                      17,001,000                                                            
        accumulated other comprehensive loss, net of income tax benefit of 427 and 275 at march 31, 2016 and december 31, 2015, respectively.
                                      -809,000                                                            
        total assets at march 31, 2016 and december 31, 2015 include the following assets of a variable interest entity (vie) that can only be used to settle the liabilities of the vie: cash, 32,156 and 33,776; equipment, 330,182 and 335,327; and other, 12,457 and 11,490, respectively.
                                                                                                  
        total liabilities at march 31, 2016 and december 31, 2015 include the following liabilities of a vie for which the vie creditors do not have recourse to willis lease finance corporation: notes payable, 294,337 and 300,467, respectively.
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 316,532 and 281,087 at december 31, 2015 and 2014, respectively
                                       1,122,859,000                                                           
        operating lease related receivables, net of allowances of 912 and 215 at december 31, 2015 and 2014, respectively
                                       14,072,000                                                           
        property, equipment & furnishings, less accumulated depreciation of 11,102 and 9,420 at december 31, 2015 and 2014, respectively
                                       20,247,000                                                           
        accumulated other comprehensive loss, net of income tax benefit of 275
                                       -521,000                                                           
        total assets at december 31, 2015 and december 31, 2014 include the following assets of a variable interest entity (vie) that can only be used to settle the liabilities of the vie: cash, 33,776 and 50,053; equipment, 335,327 and 371,526; and other, 11,490 and 11,095, respectively.
                                                                                                  
        total liabilities at december 31, 2015 and december 31, 2014 include the following liabilities of a vie for which the vie creditors do not have recourse to willis lease finance corporation: notes payable, 300,467 and 351,899, respectively.
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 300,272 and 281,087 at september 30, 2015 and december 31, 2014, respectively
                                        1,097,815,000                                                          
        operating lease related receivable, net of allowances of 397 and 215 at september 30, 2015 and december 31, 2014, respectively
                                        16,576,000                                                          
        property, equipment & furnishings, less accumulated depreciation of 10,620 and 9,420 at september 30, 2015 and december 31, 2014, respectively
                                        20,475,000                                                          
        accumulated other comprehensive loss, net of income tax benefit of 104 at september 30, 2015
                                        -200,000                                                          
        total assets at september 30, 2015 and december 31, 2014 include the following assets of a variable interest entity (vie) that can only be used to settle the liabilities of the vie: cash, 27,759 and 50,053; equipment, 341,069 and 371,526; and other, 21,052 and 11,271, respectively.
                                                                                                  
        total liabilities at september 30, 2015 and december 31, 2014 include the following liabilities of a vie for which the vie creditors do not have recourse to willis lease finance corporation: notes payable, 305,182 and 351,899, respectively.
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 294,842 and 281,087 at june 30, 2015 and december 31, 2014, respectively
                                         1,063,950,000                                                         
        operating lease related receivable, net of allowances of 265 and 215 at june 30, 2015 and december 31, 2014, respectively
                                         13,692,000                                                         
        property, equipment & furnishings, less accumulated depreciation of 10,150 and 9,420 at june 30, 2015 and december 31, 2014, respectively
                                         20,828,000                                                         
        equipment held for operating lease, less accumulated depreciation of 295,515 and 281,087 at march 31, 2015 and december 31, 2014, respectively
                                          1,050,922,000                                                        
        operating lease related receivables, net of allowances of 282 and 215 at march 31, 2015 and december 31, 2014, respectively
                                          14,596,000                                                        
        property, equipment & furnishings, less accumulated depreciation of 9,726 and 9,420 at march 31, 2015 and december 31, 2014, respectively
                                          21,311,000                                                        
        equipment purchase deposits
                                          6,817,000   1,869,000 1,969,000 1,369,000 1,369,000 1,369,000 1,369,000 1,369,000 1,369,000 1,369,000 1,369,000 1,369,000 3,376,000 3,376,000 1,969,000 2,769,000 2,683,000 2,082,000 2,082,000 2,082,000 5,146,000 5,625,000 6,647,000 13,530,000 13,221,000                              
        equipment held for operating lease, less accumulated depreciation of 281,087 and 257,806 at december 31, 2014 and 2013, respectively
                                           1,066,448,000                                                       
        operating lease related receivable, net of allowances of 215 and 296 at december 31, 2014 and 2013, respectively
                                           8,912,000                                                       
        property, equipment & furnishings, less accumulated depreciation of 9,420 and 8,666 at december 31, 2014 and 2013, respectively
                                           17,955,000                                                       
        preferred stock
                                                    31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000 31,915,000                    
        accumulated other comprehensive income, net of income tax expense of 174 at december 31, 2013
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 271,802 and 257,806 at september 30, 2014 and december 31, 2013, respectively
                                            1,006,316,000                                                      
        operating lease related receivables, net of allowances of 278 and 296 at september 30, 2014 and december 31, 2013, respectively
                                            11,532,000                                                      
        property, equipment & furnishings, less accumulated depreciation of 9,176 and 8,666 at september 30, 2014 and december 31, 2013, respectively
                                            18,152,000                                                      
        accumulated other comprehensive income, net of income tax expense of 38 and 174 at september 30, 2014 and december 31, 2013, respectively
                                            89,000                                                      
        equipment held for operating lease, less accumulated depreciation of 264,124 and 257,806 at june 30, 2014 and december 31, 2013, respectively
                                             1,016,507,000                                                     
        operating lease related receivables, net of allowances of 305 and 296 at june 30, 2014 and december 31, 2013, respectively
                                             9,837,000                                                     
        inventory
                                             13,981,000 3,257,000 3,280,000                                                   
        property, equipment & furnishings, less accumulated depreciation of 8,937 and 8,666 at june 30, 2014 and december 31, 2013, respectively
                                             4,811,000                                                     
        accumulated other comprehensive income, net of income tax expense of 91 and 174 at june 30, 2014 and december 31, 2013, respectively
                                             167,000                                                     
        equipment held for operating lease, less accumulated depreciation of 267,347 and 257,806 at march 31, 2014 and december 31, 2013, respectively
                                              1,022,462,000                                                    
        operating lease related receivable, net of allowances of 298 and 296 at march 31, 2014 and december 31, 2013, respectively
                                              13,650,000                                                    
        property, equipment & furnishings, less accumulated depreciation of 8,786 and 8,666 at march 31, 2014 and december 31, 2013, respectively
                                              4,920,000                                                    
        accumulated other comprehensive income, net of income tax expense of 46 and 174 at march 31, 2014 and december 31, 2013, respectively
                                              246,000                                                    
        equipment held for operating lease, less accumulated depreciation of 257,806 and 242,529 at december 31, 2013 and 2012, respectively
                                               1,033,022,000                                                   
        operating lease related receivable, net of allowances of 296 and 980 at december 31, 2013 and 2012, respectively
                                               13,286,000                                                   
        property, equipment & furnishings, less accumulated depreciation of 8,666 and 7,087 at december 31, 2013 and 2012, respectively
                                               4,950,000                                                   
        liabilities under derivative instruments
                                                301,000 781,000 1,218,000 1,690,000 2,115,000 11,067,000 12,139,000 12,341,000 14,958,000 13,722,000 11,685,000 14,274,000 20,495,000 16,385,000 11,973,000 11,584,000 17,473,000 16,023,000 19,152,000 20,810,000 8,078,000 7,029,000 15,174,000 7,709,000 2,783,000  947,000 96,000 154,000    498,000      1,441,000 696,000 1,479,000 2,584,000 2,131,000 1,903,000 1,948,000 1,990,000 2,101,000 2,906,000 3,547,000  
        accumulated other comprehensive income, net of income tax expense of 174 and (261) at december 31, 2013 and 2012, respectively
                                               325,000                                                   
        equipment held for operating lease, less accumulated depreciation of 250,938 and 242,529 at september 30, 2013 and december 31, 2012, respectively
                                                1,015,588,000                                                  
        operating lease related receivable, net of allowances of 427 and 980 at september 30, 2013 and december 31, 2012, respectively
                                                5,082,000                                                  
        property, equipment & furnishings, less accumulated depreciation of 8,523 and 7,087 at september 30, 2013 and december 31, 2012, respectively
                                                4,994,000                                                  
        accumulated other comprehensive loss, net of income tax benefit of 251 and 651 at september 30, 2013 and december 31, 2012, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 263,776 and 242,529 at june 30, 2013 and december 31, 2012, respectively
                                                 1,015,298,000                                                 
        operating lease related receivable, net of allowances of 384 and 980 at june 30, 2013 and december 31, 2012, respectively
                                                 8,774,000                                                 
        property, equipment & furnishings, less accumulated depreciation of 8,135 and 7,087 at june 30, 2013 and december 31, 2012, respectively
                                                 5,316,000                                                 
        accumulated other comprehensive loss, net of income tax benefit of 391 and 651 at june 30, 2013 and december 31, 2012, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 253,994 and 242,529 at march 31, 2013 and december 31, 2012, respectively
                                                  1,019,295,000                                                
        operating lease related receivable, net of allowances of 928 and 980 at march 31, 2013 and december 31, 2012, respectively
                                                  9,927,000                                                
        property, equipment & furnishings, less accumulated depreciation of 7,615 and 7,087 at march 31, 2013 and december 31, 2012, respectively
                                                  5,492,000                                                
        accumulated other comprehensive loss, net of income tax benefit of 514 and 651 at march 31, 2013 and december 31, 2012, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 242,529 and 228,708 at december 31, 2012 and 2011, respectively
                                                   961,459,000                                               
        operating lease related receivable, net of allowances of 980 and 477 at december 31, 2012 and 2011, respectively
                                                   12,916,000                                               
        notes receivable, net of allowances of 654 and 840 at december 31, 2012 and 2011, respectively
                                                                                                  
        property, equipment & furnishings, less accumulated depreciation of 7,087 and 4,957 at december 31, 2012 and 2011, respectively
                                                   5,989,000                                               
        notes payable, net of discount of 0 and 2,085 at december 31, 2012 and 2011, respectively
                                                   696,988,000                                               
        accumulated other comprehensive loss, net of income tax benefit of 651 and 5,249 at december 31, 2012 and 2011, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 239,195 and 228,708 at september 30, 2012 and december 31, 2011, respectively
                                                    976,639,000                                              
        operating lease related receivable, net of allowances of 323 and 477 at september 30, 2012 and december 31, 2011, respectively
                                                    8,877,000                                              
        property, equipment & furnishings, less accumulated depreciation of 6,552 and 4,957 at september 30, 2012 and december 31, 2011, respectively
                                                    6,502,000                                              
        notes payable, net of discount of 0 and 2,085 at september 30, 2012 and december 31, 2011, respectively
                                                    690,041,000                                              
        accumulated other comprehensive loss, net of income tax benefit of 872 and 5,249 at september 30, 2012 and december 31, 2011, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 241,330 and 228,708 at june 30, 2012 and december 31, 2011, respectively
                                                     970,003,000                                             
        operating lease related receivable, net of allowances of 454 and 477 at june 30, 2012 and december 31, 2011, respectively
                                                     8,555,000                                             
        property, equipment & furnishings, less accumulated depreciation of 6,014 and 4,957 at june 30, 2012 and december 31, 2011, respectively
                                                     6,874,000                                             
        notes payable, net of discount of 1,842 and 2,085 at june 30, 2012 and december 31, 2011, respectively
                                                     685,975,000                                             
        accumulated other comprehensive loss, net of income tax benefit of 4,824 and 5,249 at june 30, 2012 and december 31, 2011, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 229,347 and 228,708 at march 31, 2012 and december 31, 2011, respectively
                                                      974,335,000                                            
        operating lease related receivable, net of allowances of 459 and 477 at march 31, 2012 and december 31, 2011, respectively
                                                      7,079,000                                            
        property, equipment & furnishings, less accumulated depreciation of 5,485 and 4,957 at march 31, 2012 and december 31, 2011, respectively
                                                      7,339,000                                            
        notes payable, net of discount of 1,961 and 2,085 at march 31, 2012 and december 31, 2011, respectively
                                                      704,992,000                                            
        accumulated other comprehensive loss, net of income tax benefit of 5,195 and 5,249 at march 31, 2012 and december 31, 2011, respectively
                                                      -8,797,000                                            
        equipment held for operating lease, less accumulated depreciation of 228,708 and 192,377 at december 31, 2011 and 2010, respectively
                                                       981,505,000                                           
        operating lease related receivable, net of allowances of 477 and 423 at december 31, 2011 and 2010, respectively
                                                       8,434,000                                           
        property, equipment & furnishings, less accumulated depreciation of 4,957 and 3,984 at december 31, 2011 and 2010, respectively
                                                       6,901,000                                           
        notes payable, net of discount of 2,085 and 2,617 at december 31, 2011 and 2010, respectively
                                                       718,134,000                                           
        accumulated other comprehensive loss, net of income tax benefit of 5,249 and 6,085 at december 31, 2011 and 2010, respectively
                                                       -8,891,000                                           
        equipment held for operating lease, less accumulated depreciation of 221,488 and 192,377 at september 30, 2011 and december 31, 2010, respectively
                                                        960,504,000                                          
        operating lease related receivable, net of allowances of 310 and 423 at september 30, 2011 and december 31, 2010, respectively
                                                        6,844,000                                          
        property, equipment & furnishings, less accumulated depreciation of 4,626 and 3,984 at september 30, 2011 and december 31, 2010, respectively
                                                        7,040,000                                          
        notes payable, net of discount of 2,212 and 2,617 at september 30, 2011 and december 31, 2010, respectively
                                                        684,084,000                                          
        accumulated other comprehensive loss, net of income tax benefit of 6,160 and 6,087 at september 30, 2011 and december 31, 2010, respectively
                                                        -10,596,000                                          
        equipment held for operating lease, less accumulated depreciation of 211,704 and 192,377 at june 30, 2011 and december 31, 2010, respectively
                                                         1,013,045,000                                         
        operating lease related receivable, net of allowances of 329 and 423 at june 30, 2011 and december 31, 2010, respectively
                                                         7,736,000                                         
        property, equipment & furnishings, less accumulated depreciation of 4,346 and 3,984 at june 30, 2011 and december 31, 2010, respectively
                                                         7,190,000                                         
        notes payable, net of discount of 2,343 and 2,617 at june 30, 2011 and december 31, 2010, respectively
                                                         713,900,000                                         
        other debt
                                                         69,745,000                                         
        accumulated other comprehensive loss, net of income tax benefit of 5,716 and 6,087 at june 30, 2011 and december 31, 2010, respectively
                                                         -9,827,000                                         
        equipment held for operating lease, less accumulated depreciation of 202,657 and 192,377 at march 31, 2011 and december 31, 2010, respectively
                                                          998,940,000                                        
        operating lease related receivable, net of allowances of 389 and 423 at march 31, 2011 and december 31, 2010, respectively
                                                          6,259,000                                        
        property, equipment & furnishings, less accumulated depreciation of 4,169 and 3,984 at march 31, 2011 and december 31, 2010, respectively
                                                          6,955,000                                        
        notes payable, net of discount of 2,478 and 2,617 at march 31, 2011 and december 31, 2010, respectively
                                                          746,786,000                                        
        accumulated other comprehensive loss, net of income tax benefit of 4,979 and 6,085 at march 31, 2011 and december 31, 2010, respectively
                                                          -8,551,000                                        
        equipment held for operating lease, less accumulated depreciation of 192,377 and 160,702 at december 31, 2010 and 2009, respectively
                                                           998,001,000                                       
        operating lease related receivable, net of allowances of 423 and 467 at december 31, 2010 and 2009, respectively
                                                           8,872,000                                       
        assets under derivative instruments
                                                              855,000 3,689,000 2,526,000 7,480,000 608,000 276,000 377,000 467,000  12,000 187,000 3,368,000 728,000 1,508,000 1,946,000 4,691,000 3,611,000 2,515,000 2,578,000 1,852,000 2,769,000 1,398,000 770,000 2,090,000  7,000   71,000 57,000 304,000 499,000     
        property, equipment & furnishings, less accumulated depreciation of 3,984 and 3,305 at december 31, 2010 and 2009, respectively
                                                           6,971,000                                       
        notes payable, net of discount of 2,617 and 3,211 at december 31, 2010 and 2009, respectively
                                                           731,632,000                                       
        accumulated other comprehensive loss, net of income tax benefit of 6,085 and 4,845 at december 31, 2010 and 2009, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 181,210 and 160,702 at september 30, 2010 and december 31, 2009, respectively
                                                            940,638,000                                      
        operating lease related receivable, net of allowances of 539 and 467 at september 30, 2010 and december 31, 2009, respectively
                                                            5,448,000                                      
        notes receivable, net of allowances of 79 and 0 at september 30, 2010 and december 31, 2009, respectively
                                                            937,000                                      
        property, equipment & furnishings, less accumulated depreciation of 3,802 and 3,305 at september 30, 2010 and december 31, 2009, respectively
                                                            7,122,000                                      
        notes payable, net of discount of 2,760 and 3,211 at september 30, 2010 and december 31, 2009, respectively
                                                            705,337,000                                      
        accumulated other comprehensive loss, net of income tax benefit of 8,621 and 4,845 at september 30, 2010 and december 31, 2009, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 170,867 and 160,702 at june 30, 2010 and december 31, 2009, respectively
                                                             970,984,000                                     
        operating lease related receivable, net of allowances of 477 and 467 at june 30, 2010 and december 31, 2009, respectively
                                                             6,739,000                                     
        property, equipment & furnishings, less accumulated depreciation of 3,628 and 3,305 at june 30, 2010 and december 31, 2009, respectively
                                                             7,257,000                                     
        notes payable, net of discount of 2,906 and 3,211 at june 30, 2010 and december 31, 2009, respectively
                                                             716,754,000                                     
        accumulated other comprehensive loss, net of income tax benefit of 7,394 and 4,845 at june 30, 2010 and december 31, 2009, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 162,574 and 160,702 at march 31, 2010 and december 31, 2009, respectively
                                                              968,161,000                                    
        operating lease related receivable, net of allowances of 437 and 467 at march 31, 2010 and december 31, 2009, respectively
                                                              5,225,000                                    
        property, equipment & furnishings, less accumulated depreciation of 3,481 and 3,305 at march 31, 2010 and december 31, 2009, respectively
                                                              7,244,000                                    
        notes payable, net of discount of 3,057 and 3,211 at march 31, 2010 and december 31, 2009, respectively
                                                              715,448,000                                    
        accumulated other comprehensive loss, net of income tax benefit of 5,743 and 4,845 at march 31, 2010 and december 31, 2009, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 160,702 and 138,607 at december 31, 2009 and 2008, respectively
                                                               976,822,000                                   
        operating lease related receivable, net of allowances of 467 and 339 at december 31, 2009 and 2008, respectively
                                                               5,783,000                                   
        property, equipment & furnishings, less accumulated depreciation of 3,305 and 2,651 at december 31, 2009 and 2008, respectively
                                                               7,296,000                                   
        notes payable, net of discount of 3,211 and 3,887 at december 31, 2009 and 2008, respectively
                                                               726,235,000                                   
        accumulated other comprehensive loss, net of income tax benefit of 4,845 and 8,571 at december 31, 2009 and 2008, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 151,902 and 138,607 at september 30, 2009 and december 31, 2008, respectively
                                                                920,976,000                                  
        operating lease related receivable, net of allowances of 419 and 339 at september 30, 2009 and december 31, 2008, respectively
                                                                8,375,000                                  
        property, equipment & furnishings, less accumulated depreciation of 3,139 and 2,651 at september 30, 2009 and december 31, 2008, respectively
                                                                7,317,000                                  
        notes payable, net of discount of 3,369 and 3,887 at september 30, 2009 and december 31, 2008, respectively
                                                                713,569,000                                  
        accumulated other comprehensive loss, net of income tax benefit of 6,526 and 8,569 at september 30, 2009 and december 31, 2008, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 147,529 and 138,607 at june 30, 2009 and december 31, 2008, respectively
                                                                 894,992,000                                 
        operating lease related receivable, net of allowances of 374 and 339 at june 30, 2009 and december 31, 2008, respectively
                                                                 9,535,000                                 
        property, equipment & furnishings, less accumulated depreciation of 2,976 and 2,651 at june 30, 2009 and december 31, 2008, respectively
                                                                 7,471,000                                 
        notes payable, net of discount of 3,531 and 3,887 at june 30, 2009 and december 31, 2008, respectively
                                                                 711,445,000                                 
        accumulated other comprehensive loss, net of income tax benefit of 4,182 and 8,569 at june 30, 2009 and december 31, 2008, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 147,326 and 138,607 at march 31, 2009 and december 31, 2008, respectively
                                                                  853,196,000                                
        operating lease related receivable, net of allowances of 375 and 339 at march 31, 2009 and december 31, 2008, respectively
                                                                  9,593,000                                
        property, equipment & furnishings, less accumulated depreciation of 2,814 and 2,651 at march 31, 2009 and december 31, 2008, respectively
                                                                  7,605,000                                
        notes payable, net of discount of 3,716 and 3,887 at march 31, 2009 and december 31, 2008, respectively
                                                                  647,804,000                                
        accumulated other comprehensive loss, net of income tax benefit of 7,843 and 8,569 at march 31, 2009 and december 31, 2008, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 138,607 and 135,517 at december 31, 2008 and 2007, respectively
                                                                   829,739,000                               
        operating lease related receivable, net of allowances of 339 and 62 at december 31, 2008 and 2007, respectively
                                                                   8,607,000                               
        property, equipment & furnishings, less accumulated depreciation of 2,651 and 2,463 at december 31, 2008 and 2007, respectively
                                                                   7,751,000                               
        notes payable, net of discount of 3,887 and 1,594 at december 31, 2008 and 2007, respectively
                                                                   641,125,000                               
        accumulated other comprehensive loss, net of income tax benefit of 8,569 and 3,883 at december 31, 2008 and 2007, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 133,041 and 134,815 at september 30, 2008 and december 31, 2007, respectively
                                                                    766,379,000                              
        operating lease related receivable, net of allowances of 97 and 62 at september 30, 2008 and december 31, 2007, respectively
                                                                    8,679,000                              
        property, equipment & furnishings, less accumulated depreciation of 2,666 and 2,463 at september 30, 2008 and december 31, 2007, respectively
                                                                    7,895,000                              
        notes payable, net of discount of 4,061 and 1,594 at september 30, 2008 and december 31, 2007, respectively
                                                                    612,155,000                              
        accumulated other comprehensive loss, net of income tax of 3,887 and 3,892 at september 30, 2008 and december 31, 2007, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 140,724 and 134,815 at june 30, 2008 and december 31, 2007, respectively
                                                                     786,791,000                             
        operating lease related receivable, net of allowances of 77 and 62 at june 30, 2008 and december 31, 2007, respectively
                                                                     6,895,000                             
        property, equipment & furnishings, less accumulated depreciation of 2,499 and 2,463 at june 30, 2008 and december 31, 2007, respectively
                                                                     7,424,000                             
        notes payable, net of discount of 4,240 and 1,594 at june 30, 2008 and december 31, 2007, respectively
                                                                     598,968,000                             
        accumulated other comprehensive loss, net of income tax of 3,470 and 3,892 at june 30, 2008 and december 31, 2007, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 138,361 and 134,815 at march 31, 2008 and december 31, 2007, respectively
                                                                      765,969,000                            
        operating lease related receivable, net of allowances of 72 and 62 at march 31, 2008 and december 31, 2007, respectively
                                                                      6,485,000                            
        property, equipment & furnishings, less accumulated depreciation of 2,341 and 2,463 at march 31, 2008 and december 31, 2007, respectively
                                                                      6,785,000                            
        notes payable, net of discount of 4,404 and 1,594 at march 31, 2008 and december 31, 2007, respectively
                                                                      585,309,000                            
        common stock,
                                                                      86,000 84,000 82,000 81,000 81,000 80,000 93,000 93,000 92,000 92,000 91,000 91,000 90,000 90,000 90,000 90,000 89,000 88,000 88,000 88,000 88,000 88,000 88,000 88,000 88,000 88,000 88,000 88,000 
        accumulated other comprehensive loss, net of income tax of 6,629 and 3,892 at march 31, 2008 and december 31, 2007, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 134,815 and 111,736 at december 31, 2007 and 2006, respectively
                                                                       742,296,000                           
        operating lease related receivable, net of allowances of 62 and 86 at december 31, 2007 and 2006, respectively
                                                                       5,550,000                           
        property, equipment & furnishings, less accumulated depreciation of 2,463 and 2,013 at december 31, 2007 and 2006, respectively
                                                                       6,771,000                           
        notes payable net of discount of 1,594 and 2,391 at december 31, 2007 and 2006, respectively
                                                                       567,108,000                           
        accumulated other comprehensive loss, net of income tax of 3,883 and 558 at december 31, 2007 and december 31, 2006, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 130,254 and 110,410 at september 30, 2007 and december 31, 2006, respectively
                                                                        699,735,000                          
        operating lease related receivable, net of allowances of 101 and 86 at september 30, 2007 and december 31, 2006, respectively
                                                                        5,862,000                          
        property, equipment & furnishings, less accumulated depreciation of 2,346 and 2,013 at september 30, 2007 and december 31, 2006, respectively
                                                                        6,876,000                          
        notes payable, net of discount of 2,091 and 2,391 at september 30, 2007 and december 31, 2006, respectively
                                                                        536,452,000                          
        accumulated other comprehensive loss, net of income tax benefit of 2,025 and 558 at september 30, 2007 and december 31, 2006, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 122,326 and 110,410 at june 30, 2007 and december 31, 2006, respectively
                                                                         643,748,000                         
        operating lease related receivable, net of allowances of 67 and 86 at june 30, 2007 and december 31, 2006, respectively
                                                                         3,849,000                         
        property, equipment & furnishings, less accumulated depreciation of 2,253 and 2,013 at june 30, 2007 and december 31, 2006, respectively
                                                                         7,048,000                         
        notes payable, net of discount of 2,189 and 2,391 at june 30, 2007 and december 31, 2006, respectively
                                                                         495,165,000                         
        accumulated other comprehensive income, net of income tax expense of 158 and (558) at june 30, 2007 and december 31, 2006, respectively
                                                                         273,000                         
        equipment held for operating lease, less accumulated depreciation of 117,003 and 110,410 at march 31, 2007 and december 31, 2006, respectively
                                                                          628,783,000                        
        operating lease related receivable, net of allowances of 75 and 86 at march 31, 2007 and december 31, 2006, respectively
                                                                          4,352,000                        
        property, equipment & furnishings, less accumulated depreciation of 2,135 and 2,013 at march 31, 2007 and december 31, 2006, respectively
                                                                          7,156,000                        
        notes payable, net of discount of 2,289 and 2,391 at march 31, 2007 and december 31, 2006, respectively
                                                                          473,310,000                        
        accumulated other comprehensive loss , net of income tax benefit of 1,155 and 558 at march 31, 2007 and december 31, 2006, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 110,410 and 97,565 at december 31, 2006 and 2005, respectively
                                                                           609,892,000                       
        operating lease related receivable, net of allowances of 86 and 462 at december 31, 2006 and 2005, respectively
                                                                           5,002,000                       
        property, equipment & furnishings, less accumulated depreciation of 2,013 and 1,530 at december 31, 2006 and 2005, respectively
                                                                           7,272,000                       
        notes payable net of discount of 2,391 and 2,814 at december 31, 2006 and 2005, respectively
                                                                           465,249,000                       
        accumulated other comprehensive income, net of income tax of 558 and 93 at december 31, 2006 and december 31, 2005, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 107,976 and 97,565 at september 30, 2006 and december 31, 2005, respectively
                                                                            590,712,000                      
        operating lease related receivable, net of allowances of 376 and 462 at september 30, 2006 and december 31, 2005, respectively
                                                                            5,576,000                      
        property, equipment & furnishings, less accumulated depreciation of 1,891 and 1,530 at september 30, 2006 and december 31, 2005, respectively
                                                                            7,390,000                      
        notes payable, net of discount of 2,495 and 2,909 at september 30, 2006 and december 31, 2005, respectively
                                                                            429,560,000                      
        accumulated other comprehensive income, net of income tax benefit of 327 and 93 at september 30, 2006 and december 31, 2005, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 107,924 and 97,565 at june 30, 2006 and december 31, 2005, respectively
                                                                             578,701,000                     
        operating lease related receivable, net of allowances of 412 and 462 at june 30, 2006 and december 31, 2005, respectively
                                                                             4,383,000                     
        property, equipment & furnishings, less accumulated depreciation of 1,768 and 1,530 at june 30, 2006 and december 31, 2005, respectively
                                                                             7,485,000                     
        notes payable, net of discount of 2,602 and 2,814 at june 30, 2006 and december 31, 2005, respectively
                                                                             418,282,000                     
        accumulated other comprehensive income, net of income tax expense of 642 and (93) at june 30, 2006 and december 31, 2005, respectively
                                                                             1,112,000                     
        equipment held for operating lease, less accumulated depreciation of 103,976 and 97,565 at march 31, 2006 and december 31, 2005, respectively
                                                                              543,344,000                    
        operating lease related receivable, net of allowances of 483 and 462 at march 31, 2006 and december 31, 2005, respectively
                                                                              5,224,000                    
        property, equipment & furnishings, less accumulated depreciation of 1,647 and 1,530 at march 31, 2006 and december 31, 2005, respectively
                                                                              7,555,000                    
        notes payable, net of discount of 2,711 and 2,814 at march 31, 2006 and december 31, 2005, respectively
                                                                              390,739,000                    
        accumulated other comprehensive income, net of income tax expense of 246 and (93) at march 31, 2006 and december 31, 2005, respectively
                                                                              427,000                    
        equipment held for operating lease, less accumulated depreciation of 97,565 and 83,785 at december 31, 2005 and 2004, respectively
                                                                               540,657,000                   
        operating lease related receivable, net of allowances of 462 and 400 at december 31, 2005 and 2004, respectively
                                                                               4,512,000                   
        property, equipment & furnishings, less accumulated depreciation of 1,530 and 1,259 at december 31, 2005 and 2004, respectively
                                                                               7,662,000                   
        notes payable net of discount of 2,909 and 0 at december 31, 2005 and 2004, respectively
                                                                               407,551,000                   
        accumulated other comprehensive income, net of income tax of 93 and 0 at december 31, 2005 and december 31, 2004, respectively
                                                                                                  
        equipment held for operating lease, less accumulated depreciation of 96,111 and 83,881 at september 30, 2005 and december 31, 2004, respectively
                                                                                515,519,000                  
        operating lease related receivable, net of allowances of 685 and 400 at september 30, 2005 and december 31, 2004, respectively
                                                                                3,658,000                  
        investment
                                                                                1,480,000 1,480,000  1,480,000               
        property, equipment & furnishings, less accumulated depreciation of 1,412 and 1,259 at september 30, 2005, and december 31, 2004, respectively
                                                                                7,733,000                  
        notes payable, net of discount of 3,000 and 0 at september 30, 2005, and december 31, 2004, respectively
                                                                                388,547,000                  
        equipment held for operating lease, less accumulated depreciation of 91,028 and 83,881 at june 30, 2005 and december 31, 2004, respectively
                                                                                 499,163,000                 
        operating lease related receivable, net of allowances of 430 and 400 at june 30, 2005 and december 31, 2004, respectively
                                                                                 3,473,000                 
        property, equipment & furnishings, less accumulated depreciation of 1,447 and 1,259 at june 30, 2005 and december 31, 2004, respectively
                                                                                 7,826,000                 
        accumulated other comprehensive income, net of tax expense of 583 and 355 at june 30, 2005 and december 31, 2004, respectively
                                                                                 1,361,000                 
        cash and cash equivalents including restricted cash of 38,849 and 46,324 at march 31, 2005 and december 31, 2004, respectively
                                                                                  41,605,000                
        equipment held for operating lease, less accumulated depreciation of 88,733 and 83,881 at march 31, 2005 and december 31, 2004, respectively
                                                                                  509,799,000                
        operating lease related receivable, net of allowances of 415 and 400 at march 31, 2005 and december 31, 2004, respectively
                                                                                  1,697,000                
        property, equipment & furnishings, less accumulated depreciation of 1,329 and 1,259 at march 31, 2005 and december 31, 2004, respectively
                                                                                  7,936,000                
        accumulated other comprehensive income, net of tax expense of 897 and 355 at march 31, 2005 and december 31, 2004, respectively
                                                                                  1,962,000                
        cash and cash equivalents including restricted cash of 46,324 and 33,784 at december 31, 2004 and 2003, respectively
                                                                                   51,864,000               
        equipment held for operating lease, less accumulated depreciation of 83,881 and 67,873 at december 31, 2004 and 2003, respectively
                                                                                   511,443,000               
        net investment in direct finance lease
                                                                                    1,807,000 1,807,000 5,253,000 5,551,000 6,229,000 6,435,000 6,636,000 6,832,000 6,955,000 7,073,000 7,188,000 7,299,000 7,418,000 7,564,000 
        operating lease related receivable, net of allowances of 400 and 440 at december 31, 2004 and 2003, respectively
                                                                                   1,630,000               
        property, equipment & furnishings, less accumulated depreciation of 1,259 and 1,193 at december 31, 2004 and 2003, respectively
                                                                                   7,537,000               
        accumulated other comprehensive gain, net of tax expense of 355 and tax benefit of 584 at december 31, 2004 and 2003, respectively
                                                                                   966,000               
        cash and cash equivalents including restricted cash of 42,635 and 33,784 at september 30, 2004 and december 31, 2003, respectively
                                                                                    49,931,000              
        equipment held for operating lease, less accumulated depreciation of 79,422 and 67,873 at september 30, 2004 and december 31, 2003, respectively
                                                                                    495,131,000              
        operating lease related receivable, net of allowances of 400 and 440 at september 30, 2004 and december 31, 2003, respectively
                                                                                    2,193,000              
        property, equipment & furnishings, less accumulated depreciation of 1,253 and 1,193 at september 30, 2004 and december 31, 2003, respectively
                                                                                    6,845,000              
        liabilities and shareholders' equity
                                                                                                  
        shareholders' equity:
                                                                                                  
        accumulated other comprehensive gain, net of tax expense of 22 and tax benefit of 584 at september 30, 2004 and december 31, 2003, respectively
                                                                                    532,000              
        total shareholders' equity
                                                                                    114,253,000          103,103,000 101,581,000 100,681,000 99,586,000 
        total liabilities and shareholders' equity
                                                                                    570,470,000          531,503,000 532,453,000 534,385,000 520,431,000 
        cash and cash equivalents including restricted cash of 37,160 and 33,784 at june 30, 2004 and december 31, 2003, respectively
                                                                                     46,355,000             
        equipment held for operating lease, less accumulated depreciation of 76,094 and 67,873 at june 30, 2004 and december 31, 2003, respectively
                                                                                     496,255,000             
        operating lease related receivable, net of allowances of 400 and 440 at june 30, 2004 and december 31, 2003, respectively
                                                                                     2,681,000             
        accumulated other comprehensive gain, net of tax expense of 457 and tax benefit of 584 at june 30, 2004 and december 31, 2003, respectively
                                                                                     1,285,000             
        cash and cash equivalents including restricted cash of 33,609 and 33,784 at march 31, 2004 and december 31, 2003, respectively
                                                                                      36,860,000            
        equipment held for operating lease, less accumulated depreciation of 73,010 and 67,873 at march 31, 2004 and december 31, 2003, respectively
                                                                                      497,078,000            
        operating lease related receivable, net of allowances of 465 and 440 at march 31, 2004 and december 31, 2003, respectively
                                                                                      4,149,000            
        accumulated other comprehensive loss, net of tax of 776 and 584 at march 31, 2004 and december 31, 2003, respectively
                                                                                                  
        cash and cash equivalents including restricted cash of 33,784 and 24,486 at december 31, 2003 and 2002, respectively
                                                                                       42,986,000           
        equipment held for operating lease, less accumulated depreciation of 67,873 and 54,687 at december 31, 2003 and 2002, respectively
                                                                                       499,454,000           
        operating lease related receivable, net of allowances of 440 and 299 at december 31, 2003 and 2002, respectively
                                                                                       2,095,000           
        accumulated other comprehensive loss, net of tax of 584 and 960 at december 31, 2003 and 2002, respectively
                                                                                                  
        cash and cash equivalents including restricted cash of 29,316 and 24,486 at september 30, 2003 and december 31, 2002, respectively
                                                                                        38,965,000          
        equipment held for operating lease, less accumulated depreciation of 64,041 and 54,687 at september 30, 2003 and december 31, 2002, respectively
                                                                                        485,182,000          
        operating lease related receivable, net of allowances of 397 and 299 at september 30, 2003 and december 31, 2002, respectively
                                                                                        2,923,000          
        accumulated other comprehensive loss, net of tax of 822 and 960 at september 30, 2003 and december 31, 2002, respectively
                                                                                                  
        cash and cash equivalents including restricted cash of 27,359 and 24,486 at june 30, 2003 and december 31, 2002, respectively
                                                                                         32,204,000         
        equipment held for operating lease, less accumulated depreciation of 59,954 and 54,687 at june 30, 2003 and december 31, 2002, respectively
                                                                                         495,283,000         
        operating lease related receivable, net of allowances of 346 and 299 at june 30, 2003 and december 31, 2002, respectively
                                                                                         2,764,000         
        accumulated other comprehensive loss, net of tax of 1,184 and 960 at june 30, 2003 and december 31, 2002, respectively
                                                                                                  
        cash and cash equivalents including restricted cash of 26,297 and 24,486 at march 31, 2003 and december 31, 2002, respectively
                                                                                          35,966,000        
        equipment held for operating lease, less accumulated depreciation of 56,818 and 54,687 at march 31, 2003 and december 31, 2002, respectively
                                                                                          483,684,000        
        operating lease related receivable, net of allowances of 294 and 299 at march 31, 2003 and december 31, 2002, respectively
                                                                                          3,075,000        
        inventory held for sale
                                                                                          6,926,000        
        accumulated other comprehensive loss, net of tax of 1,028 and 960 at march 31, 2003 and december 31, 2002, respectively
                                                                                                  
        cash and cash equivalents including restricted cash of 24,486 and 20,351 at december 31, 2002 and 2001, respectively
                                                                                           27,289,000       
        equipment held for operating lease, less accumulated depreciation of 54,687 and 40,097 at december 31, 2002 and 2001, respectively
                                                                                           496,398,000       
        operating lease related receivable, net of allowances of 299 and 175 at december 31, 2002 and 2001, respectively
                                                                                           3,380,000       
        net assets of discontinued operations
                                                                                               1,130,000 1,210,000 1,227,000 
        accumulated other comprehensive loss, net of tax of 960 and 1,091 as of december 31, 2002 and 2001, respectively
                                                                                                  
        cash and cash equivalents including restricted cash of 22,339 and 20,351 at september 30, 2002 and december 31, 2001, respectively
                                                                                            30,038,000      
        equipment held for operating lease, less accumulated depreciation of 54,073 and 40,097 at september 30, 2002 and december 31, 2001, respectively
                                                                                            496,495,000      
        operating lease related receivable, net of allowances of 303 and 175 at september 30, 2002 and december 31, 2001, respectively
                                                                                            2,701,000      
        accumulated other comprehensive loss, net of tax of 885 and 1,091 as of september 30, 2002 and december 31, 2001, respectively
                                                                                                  
        cash and cash equivalents including restricted cash of 25,929 and 20,351 at june 30, 2002 and december 31, 2001, respectively
                                                                                             40,318,000     
        equipment held for operating lease, less accumulated depreciation of 49,302 and 40,097 at june 30, 2002 and december 31, 2001, respectively
                                                                                             493,854,000     
        operating lease related receivable, net of allowances of 284 and 175 at june 30, 2002 and december 31, 2001, respectively
                                                                                             3,219,000     
        accumulated other comprehensive loss, net of tax of 871 and 1,091 as of june 30, 2002 and december 31, 2001, respectively
                                                                                                  
        cash and cash equivalents including restricted cash of 20,743 and 20,351 at march 31, 2002 and december 31, 2001, respectively
                                                                                              33,166,000    
        equipment held for operating lease, less accumulated depreciation of 44,893 and 40,097 at march 31, 2002 and december 31, 2001, respectively
                                                                                              480,338,000    
        operating lease related receivable, net of allowances of 225 and 175 at march 31, 2002 and december 31, 2001, respectively
                                                                                              3,241,000    
        accumulated other comprehensive loss, net of tax of 820 and 1,091 as of march 31, 2002 and december 31, 2001, respectively
                                                                                                  
        cash and cash equivalents including restricted cash of 20,351 and 16,666 at december 31, 2001 and 2000, respectively
                                                                                               24,817,000   
        equipment held for operating lease, less accumulated depreciation of 40,097 and 27,296 at december 31, 2001 and 2000, respectively
                                                                                               488,042,000   
        operating lease related receivable, net of allowances of 175 and 0 at december 31, 2001 and 2000, respectively
                                                                                               2,488,000   
        residual share payable
                                                                                                32,000 2,820,000 
        accumulated other comprehensive loss, net of tax of 1,091
                                                                                                  
        cash and cash equivalents including restricted cash of 18,799 and 16,666 at september 30, 2001 and december 31, 2000, respectively
                                                                                                31,584,000  
        equipment held for operating lease, less accumulated depreciation of 36,432, and 27,296 at september 30, 2001 and december 31, 2000, respectively
                                                                                                482,016,000  
        operating lease related receivable
                                                                                                2,969,000 2,914,000 
        other comprehensive income, net of tax of 1,383
                                                                                                  
        cash and cash equivalents including restricted cash of 25,359 and 16,666 at june 30, 2001 and december 31, 2000, respectively
                                                                                                 34,212,000 
        equipment held for operating lease, less accumulated depreciation of 33,120 and 27,296 at june 30, 2001 and december 31, 2000, respectively
                                                                                                 465,720,000 
        swap liabilities
                                                                                                 2,056,000 
        other comprehensive income, net of 802 tax
                                                                                                  
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2024-03-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 2003-12-31 2003-09-30 2003-06-30 2003-03-31 2002-12-31 2002-09-30 2002-06-30 2002-03-31 2001-12-31 2001-09-30 
                                                                                                  
          cash flows from operating activities:
                                                                                                  
          net income
        20,869,000 14,618,000 13,816,000 4,394,000 14,343,000    1,742,000 2,884,000 58,000 -1,332,000 -2,894,000 2,984,000 5,372,000 4,286,000 4,996,000 24,073,000 16,975,000 20,878,000 18,114,000 9,674,000 8,361,000 7,082,000 42,709,000 5,291,000 5,991,000 8,167,000 2,707,000 3,985,000 3,609,000 3,768,000 2,973,000 2,577,000 -492,000 2,298,000 -278,000 980,000 2,214,000 4,331,000 6,553,000 -2,229,000 9,692,000 1,610,000 2,211,000 -7,194,000 3,229,000 3,289,000 3,648,000 2,315,000 3,482,000 5,063,000 4,010,000 3,083,000 1,907,000 3,050,000 1,027,000 9,299,000 5,019,000 7,022,000 4,348,000 10,726,000 6,422,000 5,105,000 5,114,000 3,751,000 4,394,000 4,405,000 4,052,000 1,686,000 1,048,000 468,000 2,153,000 -106,000 1,564,000 566,000 1,465,000 508,000 915,000 969,000 1,438,000 745,000 1,152,000 842,000 2,020,000 33,000 577,000 966,000 461,000 1,799,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                                  
          depreciation and amortization expense
        22,486,000 23,088,000 22,494,000 22,549,000 22,780,000 22,059,000 21,612,000 21,809,000 21,749,000 21,274,000 23,340,000 24,141,000 23,365,000 24,022,000 23,764,000 23,390,000 23,199,000 22,736,000 20,043,000 20,258,000 21,214,000 19,861,000 18,384,000 17,355,000 17,237,000 16,142,000 16,016,000 16,628,000 17,045,000 16,628,000 15,963,000 16,644,000 17,124,000 17,089,000 17,668,000 17,705,000 17,282,000 16,714,000 15,735,000 15,710,000                                                   
          gain on sale of leased equipment
         -773,000   583,000 -920,000 -498,000 -2,298,000 -3,535,000    -2,024,000 700,000 -2,067,000 -765,000 -4,589,000 -5,120,000 -9,570,000 -4,802,000 -1,256,000 -246,000 -640,000 -245,000 -175,000 -3,526,000 -983,000 -52,000 -180,000 -261,000 -2,989,000 -654,000 -3,804,000 -3,234,000 -662,000 -2,040,000           -2,608,000 121,000 -3,637,000 -2,534,000 -5,060,000                                       
          gain on sale of business
                                                                                                  
          stock-based compensation expense
        3,813,000 3,871,000 3,862,000 2,937,000 2,735,000 3,146,000                                                                                     
          write-down of equipment
        261,000 719,000   654,000 78,000 21,117,000 3,602,000 2,246,000 1,867,000 6,169,000 5,245,000 6,997,000 2,129,000 6,899,000 6,954,000 3,262,000 1,105,000 5,858,000 1,215,000   2,687,000 6,958,000 2,276,000 13,009,000 3,590,000 1,995,000 1,893,000 2,036,000 601,000 5,498,000 3,058,000 24,000 2,674,000 450,000 2,183,000 295,000 193,000 4,283,000   3,118,000 2,474,000 282,000 1,035,000    215,000    3,112,000 2,093,000 175,000 753,000 3,469,000 862,000   1,680,000             627,000         
          income from joint ventures
                -1,983,000    -30,000 -1,457,000 -948,000 -207,000 -3,791,000 -2,165,000 -1,676,000 -946,000 -2,231,000 -506,000 -316,000 -747,000 -1,103,000 -3,040,000 -1,161,000 -1,854,000 -939,000 -631,000 -56,000 -187,000 -48,000 -558,000 -215,000 -354,000 -510,000                                                      
          accretion of deferred costs and note discounts
        2,309,000                                                                                          
          payments received on sales-type leases
        617,000 313,000 307,000 301,000                                                                                       
          loss on derivative instruments
                                                                                            64,000     
          loss on debt extinguishment
                    4,688,000                                                                         
          amortization of contract asset
                                                                                                  
          gain on sale of financial assets
                                                                                                
          allowances and provisions
        352,000 8,000 123,000 173,000 217,000 220,000 95,000 305,000 -104,000 -85,000 251,000 -226,000 -275,000 -37,000 149,000 168,000 -620,000 -367,000 441,000 274,000 481,000 450,000 330,000 242,000 -120,000 10,000 -291,000 563,000 26,000 -178,000 -628,000 209,000 516,000 131,000 -17,000 67,000 -63,000 -27,000 7,000 2,000        -18,000 167,000 -19,000 -60,000 -34,000  112,000   219,000 316,000 -1,000 36,000 243,000 20,000 5,000 10,000        30,000 15,000 255,000 15,000 15,000    25,000 43,000 -30,000 118,000 10,000 72,000 19,000 59,000 50,000   
          loss on disposal of property, equipment and furnishings
                4,000 40,000     6,000 72,000 -36,000                                                                       
          gain on insurance proceeds
                                                                                                 
          deferred income taxes
        8,573,000 6,048,000 4,795,000 2,081,000 2,632,000 1,225,000 5,243,000 -7,035,000 3,775,000 3,095,000 -2,193,000 -484,000 -4,295,000 2,867,000 4,252,000 4,129,000 1,840,000    2,698,000 3,139,000 3,920,000 2,300,000 -39,760,000 2,961,000 4,225,000 6,181,000 1,768,000 2,342,000 2,233,000 2,757,000 3,572,000 2,003,000 -424,000 1,357,000 -653,000 1,397,000 847,000 2,405,000    1,007,000 756,000 -3,486,000 1,805,000 2,086,000 -999,000 3,847,000 2,588,000 2,899,000 3,225,000 1,955,000 1,002,000 1,585,000 4,544,000 1,564,000 2,359,000 806,000 2,108,000 5,527,000 3,489,000 3,048,000 2,112,000 2,343,000 2,509,000 2,527,000 714,000 1,338,000 396,000 240,000 752,000 -242,000 610,000 220,000 491,000 211,000 376,000 396,000 445,000 339,000 536,000 387,000 -158,000 19,000 323,000 545,000 975,000 1,151,000 
          changes in assets and liabilities:
                                                                                                  
          receivables
        -3,707,000 5,945,000 -3,920,000 -6,688,000 8,002,000 -9,921,000 2,031,000 -3,280,000 3,076,000 2,601,000 -4,880,000 -11,988,000 14,249,000 -528,000 -10,704,000 -7,232,000 10,451,000 13,377,000 -22,355,000 -1,990,000 1,026,000 -4,988,000 4,063,000 -6,026,000 -2,305,000 -3,565,000 -805,000 4,150,000 -4,381,000 2,319,000 1,602,000 -1,827,000 1,988,000 -3,015,000 921,000 -5,751,000 2,682,000 -1,668,000   -6,351,000 3,882,000 1,697,000 3,041,000    1,373,000 -1,756,000 910,000 -1,416,000 2,647,000    588,000           511,000 661,000             785,000 -210,000 274,000 295,000     284,000 -73,000 
          inventory
        -44,098,000 -3,516,000 -4,468,000 1,543,000 4,047,000 1,557,000 5,277,000 3,407,000 3,474,000 1,965,000 1,504,000 980,000 1,289,000 1,722,000 3,121,000 894,000 5,666,000 5,790,000 9,120,000 8,538,000                                                                526,000       
          other assets
        131,000 1,462,000 917,000 -4,345,000 -1,802,000 -1,239,000 -1,713,000 -863,000 1,463,000 -454,000 -862,000 -934,000 -16,607,000 917,000 62,000 -624,000 -1,257,000 1,944,000 -2,898,000 -308,000 -280,000 -341,000 -3,116,000 284,000 722,000 1,623,000 -2,524,000 -791,000 -1,043,000 -961,000 462,000 -165,000 -1,414,000 1,501,000 -485,000 -2,237,000 7,287,000 -10,819,000      6,000  807,000 3,078,000 -2,973,000 -3,017,000 -582,000 2,386,000 -3,294,000                713,000           -422,000 431,000  -910,000   -446,000 -357,000 75,000 1,094,000   
          distributions received from joint ventures
                         190,000    1,880,000 1,167,000                                                           
          accounts payable and accrued expenses
        52,175,000 1,717,000 -999,000 7,612,000 2,652,000 -1,664,000 -6,168,000 6,122,000 -11,236,000 2,246,000 9,696,000 -648,000 651,000 459,000 -6,921,000 -12,630,000 1,240,000 7,198,000 2,647,000 -8,954,000 -929,000 10,180,000 3,776,000 -484,000 1,816,000 -8,826,000 4,305,000 3,834,000 4,058,000 593,000 -2,040,000 -282,000 9,409,000 -4,267,000 -2,556,000 -917,000 -7,212,000 2,741,000 856,000 1,734,000   4,579,000 144,000    -1,377,000 3,502,000 -1,689,000 -89,000 -2,703,000 2,843,000       1,436,000             5,020,000 -341,000   698,000   2,605,000 1,130,000       994,000  9,312,000 
          maintenance reserves
        7,032,000 11,106,000 5,054,000 10,165,000 2,427,000 1,211,000 -3,892,000 2,626,000 4,492,000 -12,988,000 -15,385,000 6,299,000 -13,726,000 -3,969,000 -12,228,000 5,537,000 7,368,000 -7,589,000 23,046,000 -543,000 5,533,000 4,206,000 2,836,000 9,389,000 6,288,000 2,048,000 3,998,000 -4,340,000 10,443,000 -8,113,000 3,718,000 -5,500,000 1,265,000 2,019,000 -1,902,000 3,198,000 -6,824,000   2,416,000 756,000 6,086,000 3,501,000 3,679,000 216,000 1,335,000 4,125,000 3,128,000 1,168,000 -1,148,000 2,753,000 1,294,000 1,343,000 -2,622,000 616,000 4,353,000  -6,315,000 7,031,000 2,127,000  -2,566,000 507,000 2,824,000 5,090,000 2,459,000 1,163,000 4,024,000 -3,577,000 5,499,000 8,090,000 6,890,000 3,338,000 5,616,000 4,992,000 4,169,000 1,570,000 5,578,000 6,863,000 357,000           
          security deposits
        2,735,000 934,000 889,000 1,149,000 581,000 1,872,000 381,000 -462,000 434,000 2,341,000 917,000 135,000 -1,686,000 -1,752,000 -1,462,000 3,734,000 496,000 225,000 -118,000 -2,711,000 -444,000 1,678,000 803,000 1,038,000 -405,000 4,894,000 1,917,000 -160,000 -3,569,000 -374,000 -169,000 64,000 543,000 5,668,000 -366,000 -98,000 971,000 184,000       -137,000 521,000 49,000 245,000 332,000 78,000 51,000 91,000       481,000 331,000   259,000 258,000 595,000 145,000 -319,000 620,000 578,000   176,000 -416,000 695,000 1,531,000 66,000      49,000    -293,000   41,000 134,000 
          unearned revenue
        -1,846,000 3,895,000 5,426,000 7,379,000 5,069,000 -1,718,000 1,276,000 -480,000 -43,000 -533,000 -954,000 351,000 1,510,000 -1,550,000 -1,812,000 -1,500,000 172,000 810,000 82,000 -403,000  -1,317,000 -687,000 1,166,000                                                                   
          net cash from operating activities
        59,827,000 70,493,000 46,616,000 51,871,000 62,131,000 24,528,000 29,445,000 28,320,000 22,075,000 25,765,000 20,191,000 22,627,000 9,976,000 40,509,000 14,699,000 28,260,000 59,498,000 79,276,000 55,913,000 35,628,000 87,897,000 28,077,000 42,340,000 30,373,000 25,095,000 30,884,000 33,331,000 45,946,000 32,043,000 28,120,000 20,652,000 20,098,000 39,775,000 37,233,000 11,502,000 20,611,000 16,038,000 12,290,000 15,604,000 18,799,000 21,224,000 20,504,000 20,017,000 18,551,000 13,413,000 20,032,000 25,958,000 7,908,000 20,394,000 30,533,000 26,627,000 -892,000 39,837,000 -7,910,000 12,909,000 11,797,000 16,838,000 25,919,000 22,322,000 22,495,000 13,654,000 14,228,000 12,995,000 10,691,000 26,581,000   12,119,000     6,511,000 -730,000 14,666,000 9,298,000 9,655,000 12,940,000 11,723,000 8,343,000 13,834,000 9,307,000 11,365,000 7,387,000     -1,949,000  
          capital expenditures
        -405,000 -707,000 -1,967,000 -1,573,000 -1,564,000 -2,443,000 -2,083,000 -540,000 -1,143,000 -269,000 -632,000 -121,000 -257,000 -541,000 -708,000 -1,470,000 -1,359,000 -3,128,000 -1,237,000 -606,000 -1,913,000 -780,000 -504,000 -290,000 -10,295,000 -167,000 -127,000 -199,000 -649,000 -174,000 -113,000 -70,000 -254,000 -117,000 50,000 -3,667,000 -47,000 -966,000 -194,000 -129,000 -413,000 -168,000             
          free cash flows
        59,422,000 69,786,000 44,649,000 50,298,000 60,567,000 22,085,000 27,362,000 27,780,000 20,932,000 25,496,000 19,559,000 22,506,000 9,719,000 39,968,000 13,991,000 26,790,000 58,139,000 76,148,000 54,676,000 35,022,000 85,984,000 27,297,000 41,836,000 30,083,000 14,800,000 30,717,000 33,204,000 45,747,000 31,394,000 27,946,000 20,539,000 20,028,000 39,521,000 37,116,000 11,552,000 16,944,000 15,991,000 12,290,000 15,604,000 18,799,000 21,224,000 20,504,000 20,017,000 18,551,000 13,413,000 20,032,000 25,958,000 6,942,000 20,200,000 30,404,000 26,214,000 -1,060,000 39,837,000 -7,910,000 12,909,000 11,797,000 16,838,000 25,919,000 22,322,000 22,495,000 13,654,000 14,228,000 12,995,000 10,691,000 26,581,000   12,119,000     6,511,000 -730,000 14,666,000 9,298,000 9,655,000 12,940,000 11,723,000 8,343,000 13,834,000 9,307,000 11,365,000      -1,949,000  
          cash flows from investing activities:
                                                                                                  
          purchase of equipment held for operating lease and for sale
        -62,790,000 -31,024,000 -55,761,000 -55,686,000 -65,685,000           -75,727,000        -138,626,000         -51,459,000 -57,393,000                                                         
          proceeds from sale of equipment
        4,711,000 1,580,000 15,852,000 7,582,000 15,885,000 5,696,000 30,402,000 17,255,000 9,739,000    8,413,000 5,955,000 11,710,000 2,837,000 31,065,000 24,221,000 133,768,000 12,829,000 14,126,000 14,165,000 23,309,000 -10,058,000 16,095,000 11,043,000 26,711,000 700,000 7,621,000 1,716,000 52,488,000   31,507,000 2,405,000 12,516,000 17,467,000 7,961,000 5,688,000 10,224,000 18,389,000 6,927,000 3,166,000                                               
          proceeds from sale of business
                                                                                                  
          purchase of property, equipment and furnishings
        -405,000 -707,000 -1,967,000 -1,573,000 -1,564,000 -2,443,000 -2,083,000 -540,000 -1,143,000 -269,000 -632,000 -121,000 -257,000 -541,000 -708,000 -1,470,000 -1,359,000 -3,128,000 -1,237,000 -606,000 -1,913,000 -780,000 -504,000 -290,000 -10,295,000 -167,000 -127,000 -199,000 -649,000 -174,000 -113,000 -70,000 -254,000 -117,000 50,000 -3,667,000 -47,000           -966,000 -194,000 -129,000 -413,000 -168,000                                       
          payments received on notes receivable
        1,619,000 1,049,000 925,000 792,000   915,000 1,203,000 1,398,000 1,448,000 4,600,000 958,000 1,547,000 2,345,000 1,383,000 2,355,000                                                                           
          contributions to joint ventures
                                                                                                  
          issuance of notes receivable
        -6,899,000 -15,397,000   -1,949,000 -2,694,000 -39,801,000 -628,000 -55,892,000 -80,063,000                                                                           
          insurance proceeds received on property, equipment and furnishings
                                                                                                  
          net cash from investing activities
        -63,764,000 -29,102,000 -38,762,000 -64,282,000 -50,606,000 -135,021,000 -2,447,000 -6,302,000 32,868,000 -79,382,000 -36,007,000 -65,474,000 -318,148,000 5,190,000 -50,517,000 -143,195,000 -64,605,000 -58,310,000 -29,835,000 5,306,000 -110,504,000 -63,543,000 -94,220,000 -112,207,000 -201,687,000 -49,102,000 -66,013,000 -6,912,000 -62,658,000 -43,865,000 -20,070,000 3,197,000 -50,853,000 -46,134,000 -41,169,000 -19,836,000 -91,707,000 -19,559,000 -522,000 3,104,000        6,965,000 -49,102,000 68,620,000 -57,362,000 -7,314,000                                521,000    5,061,000   
          cash flows from financing activities:
                                                                                                  
          proceeds from debt obligations
        69,980,000 50,840,000 67,000,000 42,000,000  160,000,000 38,000,000 21,000,000  82,000,000 341,700,000 54,000,000  47,000,000 643,200,000                                                                           
          principal payments on debt obligations
        -138,848,000 -90,507,000 -77,925,000 -53,458,000 -67,900,000 -41,255,000 -66,428,000 -53,257,000 -61,075,000 -180,092,000 -151,182,000 -24,617,000 -52,981,000 -58,276,000 -153,952,000 -265,574,000 -87,747,000 -119,629,000 -77,825,000 -142,880,000 -197,953,000 -253,532,000 -23,489,000 -29,779,000                                                                   
          proceeds from issuance of preferred stock
                                                                                                  
          cancellation of restricted stock units in satisfaction of withholding tax
           -159,000   -8,000 -4,919,000 -47,000 39,000 -846,000 -348,000 -15,000 -915,000 -545,000 -36,000 -404,000   -347,000 -125,000 -352,000 -270,000 -503,000 -285,000 -157,000 -424,000 -457,000 -239,000 -348,000 -514,000 -235,000           -232,000                                           
          debt issuance costs
        -240,000          -259,000 -27,000 -5,779,000 -302,000                                                                         
          common stock cash dividends paid
                                                                                                  
          preferred stock dividends
        -920,000 -819,000 -802,000 -819,000 -837,000 -810,000 -802,000 -819,000 -820,000 -810,000 -802,000 -819,000 -819,000 -811,000 -810,000 -819,000 -792,000 -838,000 -801,000 -819,000 -908,000 -829,000 -694,000 -917,000 -420,000 -295,000 -291,000 -305,000                    -782,000  -782,000 -782,000 -782,000                                       
          proceeds from shares issued under stock compensation plans
        178,000 99,000 177,000 170,000 165,000 17,000 169,000 228,000 200,000 172,000 3,000 160,000 -47,000 174,000 118,000 84,000 -1,000 94,000 73,000 82,000 -1,000 434,000 85,000 79,000 119,000 212,000 94,000 80,000 276,000 230,000 413,000 85,000 936,000 291,000  220,000 -15,000 -90,000 -103,000 242,000 250,000 104,000 164,000 166,000 424,000 63,000  306,000                             
          net cash from financing activities
        -69,850,000 -40,771,000 -17,347,000 -12,100,000 -3,896,000 118,040,000 -36,138,000 -34,679,000 -30,871,000 -104,003,000 180,241,000 28,686,000 229,239,000 -59,249,000 -110,013,000 368,506,000 -11,948,000 -28,295,000 -18,659,000 -42,250,000 -59,300,000 152,504,000 41,525,000 91,683,000 151,986,000 35,647,000 45,987,000 -30,212,000 30,038,000 5,344,000 7,729,000 -20,284,000 11,565,000 1,974,000 30,204,000 1,367,000 78,321,000    43,094,000 -35,257,000 -11,082,000 62,221,000    -15,712,000 29,141,000 -101,398,000 36,233,000 8,735,000     7,192,000 1,358,000 64,154,000 5,574,000 27,455,000 12,617,000 12,711,000 14,575,000 46,888,000   7,458,000                769,000 -4,279,000      
          increase in cash, cash equivalents and restricted cash
                24,072,000 -157,620,000 164,425,000 -14,161,000 -78,933,000 -13,550,000 -145,831,000 253,571,000 -17,055,000 -7,329,000 7,419,000 -1,316,000 -81,907,000 117,038,000 -10,355,000 9,849,000 -24,606,000 17,429,000                                                                 
          cash, cash equivalents and restricted cash at beginning of period
        168,029,000 89,016,000 95,641,000 78,925,000 63,668,000 81,949,000 47,324,000 1,000 -1,000 32,374,000                                                               
          cash, cash equivalents and restricted cash at end of period
        94,242,000 620,000 -9,493,000 64,505,000 7,629,000 7,547,000 -9,140,000 82,980,000 24,072,000 -157,620,000 164,425,000 64,764,000 -78,933,000 -13,550,000 -145,831,000 317,239,000 -17,055,000 -7,329,000 7,419,000 80,633,000  117,038,000 -10,355,000 57,173,000  17,430,000 13,304,000 41,196,000                                                               
          loss on sale of leased equipment
        -9,201,000   133,000                                                                                       
          loss from joint ventures
        -2,674,000 -346,000 474,000 1,161,000 -1,469,000 384,000 -1,469,000 2,616,000   685,000 519,000                                                                               
          decrease in cash, cash equivalents and restricted cash
        -73,787,000 620,000 -9,493,000 -24,511,000    -12,661,000                                                                                   
          supplemental disclosures of cash flow information:
                                                                                                  
          net cash paid for
                                                                                                  
          interest
        22,905,000 8,224,000 24,093,000 23,128,000 17,049,000 15,226,000 16,212,000 15,057,000 11,984,000 12,393,000 13,570,000 12,344,000 13,022,000 12,831,000 14,481,000 14,005,000 15,040,000 15,597,000 15,647,000 17,301,000 14,132,000 15,918,000 16,885,000 12,187,000 10,885,000 12,506,000 9,941,000 9,485,000 9,464,000 9,292,000 9,402,000 9,161,000 8,931,000 8,962,000 8,922,000 8,753,000 8,012,000 8,125,000 8,184,000 8,811,000 8,324,000 8,775,000 8,692,000 8,140,000 6,976,000 5,176,000 4,663,000 4,713,000 4,792,000 5,370,000 5,030,000 4,871,000 4,415,000 4,611,000 4,396,000 4,207,000 4,322,000 3,856,000 4,158,000 4,160,000 7,382,000 5,849,000 7,740,000 10,023,000 7,777,000 10,418,000 9,319,000 7,797,000 6,640,000 8,925,000 8,576,000 6,603,000 5,094,000 6,150,000 5,133,000 4,867,000 4,323,000 3,309,000 4,194,000 3,936,000    3,694,000       
          income taxes
        -644,000 -135,000 137,000 179,000 344,000 1,019,000 666,000 213,000 20,000 162,000 1,060,000 170,000 136,000 287,000 99,000 -12,000 -80,000 -11,799,000 5,087,000 7,014,000 -1,000 9,000 994,000 71,000 94,000 14,000 257,000 75,000 322,000 65,000 38,000 34,000 254,000 20,000 74,000 5,000 81,000 10,000 64,000 55,000 95,000   4,000 36,000 48,000 17,000 5,000 95,000 17,000 38,000 252,000 135,000 15,000 147,000 285,000 81,000 165,000 13,000 1,425,000 122,000 154,000 568,000 -29,000 44,000 12,000 18,000 1,000 24,000 14,000 15,000 11,000 
          supplemental disclosures of non-cash activities:
                                                                                                  
          transfers from equipment held for operating lease to investments in sales-type leases
        24,870,000                                                                                          
          transfers from equipment held for operating lease to other assets
           1,089,000                                                                                       
          transfers from equipment held for operating lease to spare parts inventory
        113,000 196,000 134,000 127,000 723,000 62,000 1,019,000 102,000 3,402,000 577,000 319,000 169,000 5,738,000 6,038,000 12,037,000 889,000 4,689,000 4,612,000 7,928,000 6,702,000                                                                       
          transfers from equipment held for operating lease to equipment held for sale
        2,100,000 155,000   2,209,000 225,000 660,000 4,089,000 1,112,000 2,643,000   7,000    143,000 6,538,000    -6,484,000 5,590,000 7,889,000                                                                   
          accretion of preferred stock issuance costs
        12,000                                                                                          
          amortization of deferred costs
         1,404,000 1,397,000 1,327,000 1,379,000 1,273,000 1,359,000 1,308,000 1,336,000 1,303,000 1,232,000 1,145,000 1,156,000 1,194,000 1,342,000 1,448,000 1,399,000 1,545,000 1,663,000 1,757,000 2,260,000 1,794,000 916,000 1,433,000 1,544,000 1,278,000 1,163,000 1,198,000 1,040,000 1,074,000 1,086,000 1,071,000 1,053,000 1,127,000 1,055,000 1,072,000 1,112,000 1,165,000 1,006,000 1,036,000 1,045,000 995,000 1,024,000 1,049,000 1,108,000 986,000 921,000 967,000 1,130,000 1,110,000 1,175,000 1,129,000 1,270,000 1,332,000 1,294,000 1,350,000 1,265,000 1,009,000 1,149,000 1,098,000 1,207,000 1,413,000 1,392,000 819,000 1,635,000 714,000 770,000 793,000 838,000 855,000 1,254,000 799,000 939,000                  
          proceeds from sale of notes receivable
                                                                                                 
          insurance proceeds received on equipment
                                                                                                 
          repurchase of common stock
            -65,000 -3,412,000 -1,768,000 -4,968,000    -131,000   -3,281,000 -286,000 -1,676,000 -4,276,000 -10,109,000 -74,000 -198,000 -2,464,000 -884,000 -3,936,000 -2,623,000 -17,946,000 -4,453,000 -12,850,000 -1,611,000 -1,315,000 -724,000 -1,345,000           -1,793,000 -277,000 -88,000 -5,296,000                                       
          net cash paid for:
                                                                                             4,582,000    5,334,000 
          accrued preferred stock dividends
          -9,000 18,000   -9,000 18,000   -9,000 18,000   -668,000 677,000 -133,000 142,000 10,000 667,000 -133,000 35,000 117,000 667,000                                                                   
          accrued share repurchases
               73,000            100,000    10,109,000                                                                   
          gain on debt extinguishment
                                                                                                
          proceeds from sale of note receivable
                                                                                                 
          proceeds from issuance of debt obligations
                        79,000,000 92,000,000 67,000,000 102,120,000 143,000,000 417,439,000 76,000,000 123,000,000                                                                   
          transfers from equipment held for sale to equipment held for operating lease
                                                                                                  
          transfers from spare parts inventory to equipment held for operating lease
                970,000 585,000                                                                               
          transfers from notes receivable to equipment held for operating lease
                                                                                                  
          payments received on notes receivable and sales-type leases
                                                                                                  
          liabilities assumed in purchase of equipment held for operating lease
                    14,548,000                                                                             
          transfers from equipment held for operating lease to investment in sales-type leases
                                                                                                 
          net loss
              5,908,000 -21,201,000                                                                                   
          purchase of equipment held for operating lease
              -57,116,000 -24,220,000  -106,499,000 -37,281,000 -26,510,000 -327,223,000 -5,045,000 -82,662,000 5,680,000 223,343,000 -75,528,000 -53,074,000 -92,226,000  -77,079,000    -65,030,000 -76,929,000 -35,304,000  -51,777,000 -17,039,000 -44,433,000    -17,944,000            -14,307,000 -51,446,000 -22,198,000 -34,700,000 -35,990,000                                       
          adjustments to reconcile net loss to net cash from operating activities:
                                                                                                  
          stock-based compensation expenses
               4,629,000 4,703,000 4,577,000 4,536,000 2,762,000 3,133,000 3,113,000 3,015,000 2,117,000 2,199,000 2,201,000 2,122,000 1,265,000 1,406,000 1,419,000 1,660,000 925,000 1,042,000 1,154,000 1,200,000 874,000 962,000 906,000 905,000 944,000 1,189,000 1,014,000 873,000 1,074,000 1,062,000 805,000 884,000 758,000 866,000 858,000 932,000 783,000 798,000 743,000 852,000 751,000   765,000 712,000 808,000 697,000 598,000 575,000 686,000 585,000 589,000 575,000 496,000 483,000 255,000 459,000 531,000 -8,000 113,000 141,000 446,000 125,000 173,000 182,000                   
          loss on sale of note receivable
                                                                                                 
          debt prepayment costs
                    1,000 -2,374,000                                                                           
          capital contributions to joint ventures
                        -700,000 -5,013,000                                                                       
          interest bearing security deposits
                                            1,518,000 1,517,000 1,518,000 1,517,000 1,518,000 1,518,000 3,035,000                                               
          transfers from equipment held for sale to spare parts inventory
                           4,471,000   1,562,000 5,345,000                                                                   
          issuance of notes receivables
                         -12,074,000 -30,783,000                                                                       
          payments received on notes receivables
                         1,355,000 255,000 166,000                                                                       
          deposit received for proposed sale of equipment
                               3,400,000                                                                   
          purchase of aircraft and engines
                            18,056,000   3,762,000                                                                   
          excess tax benefits from stock-based compensation
                                                                                                  
          gain on insurance settlement
                                                                                                 
          spare parts inventory
                              -1,922,000 -2,944,000 -6,301,000 3,801,000 595,000 50,000 -6,209,000 -683,000 567,000 1,232,000 2,285,000 2,256,000 -718,000 305,000 3,523,000                                                      
          intangibles
                                                                                                  
          unearned lease revenue
                                1,289,000 1,618,000 -48,000 -580,000 789,000 199,000 483,000 -739,000 -25,000 97,000 1,637,000 -961,000 1,296,000 -778,000 -218,000 493,000    430,000 -58,000 199,000 -133,000 293,000 -1,127,000 1,976,000 -922,000 642,000             238,000 -976,000 1,076,000 995,000   377,000 86,000             -203,000 -264,000   525,000 -1,140,000 
          proceeds from insurance settlement
                                                                                                  
          capital contribution to joint ventures
                                    -935,000 -4,610,000 -630,000 -15,000,000                                                      
          purchase of maintenance rights
                                    -896,000                                                             
          debt issuance cost
                            -1,680,000    -789,000    -53,000     -135,000           -144,000 -3,188,000 -60,000 -86,000 -357,000                                       
          cash, cash equivalents, and restricted cash at end of period
                                                                                                  
          transfers from property, equipment and furnishings to equipment held for lease
                                                                                                  
          spare parts and equipment
                                                                                                  
          proceeds from the issuance of preferred stock
                                                                             31,915,000                   
          payments of tax withholdings for stock-based awards
                               -665,000                                                                   
          maintenance rights payments received
                                                                                                  
          proceeds from issuance of notes payable
                                200,500,000 392,700,000 75,000,000 18,000,000 62,000,000 32,000,000 35,000,000 20,000,000 52,000,000 22,000,000 87,700,000 31,000,000 120,000,000 24,395,000 5,000,000 5,000,000 58,000,000 3,000,000 69,000,000 66,000,000 517,693,000 20,000,000 58,000,000 9,000,000 20,000,000 45,409,000 57,000,000 7,282,000 37,500,000 73,059,000 274,611,000 19,459,000 79,500,000 24,060,000 60,295,000 11,535,000 59,966,000 262,886,000 59,907,000 82,077,000 27,435,000 22,133,000 48,490,000 57,671,000 35,054,000 30,692,000 78,780,000 262,660,000 14,500,000 16,916,000 28,449,000 20,184,000 5,000,000 5,000,000 10,676,000 11,500,000 46,200,000 33,010,000 26,007,000   13,005,000 35,610,000 
          principal payments on notes payable
                                -47,923,000 -375,485,000 -25,905,000 -46,847,000 -47,777,000 -23,703,000 -5,612,000 -36,889,000 -25,472,000 -30,823,000 -68,898,000 -28,623,000 -40,275,000           -33,265,000 -24,077,000 -38,947,000 -53,021,000 -30,394,000                                       
          gain on extinguishment of debt
                                           -1,151,000                                                       
          excess tax benefit from stock-based compensation
                                    47,000 -65,000 199,000 55,000 -49,000 -55,000 -13,000 143,000          -78,000 472,000 213,000 -124,000    81,000                                      
          interest bearing security deposit
                                                                                                  
          supplemental disclosures of non-cash investing activities:
                                                                                                  
          during the nine months ended september 30, 2017 and 2016, liabilities of 2,931 and 3,089, respectively, incurred from aircraft and engines purchased not settled.
                                                                                                  
          during the nine months ended september 30, 2017 and 2016, engines and equipment totaling 36,285 and 9,266, respectively, were transferred from held for operating lease to held for sale
                                                                                                  
          during the nine months ended september 30, 2016, an aircraft with a value of 2,925 was transferred from property, equipment and furnishings to assets held for lease.
                                                                                                  
          during the six months ended june 30, 2017 and 2016, liabilities of 1,624 and 2,565, respectively, were incurred but not paid in connection with our purchase of aircraft and engines.
                                                                                                  
          during the six months ended june 30, 2017 and 2016, engines and equipment totaling 27,408 and 18,371, respectively, were transferred from held for operating lease to held for sale
                                                                                                  
          during the six months ended june 30, 2016 , an aircraft of 2,925 was transferred from property, equipment and furnishings to assets held for lease.
                                                                                                  
          certain amounts include adjustments to prior periods see "note 1. summary of significant accounting policies (c) correction of immaterial errors - consolidated financial statements" for further disclosure.
                                                                                                  
          increase in cash, cash equivalents and resticted cash
                                   8,822,000                                                               
          certain amounts include adjustments to prior periods see "note 1. summary of significant accounting policies (c) correction of immaterial errors - consolidated financial statements" for further disclosure.
                                                                                                  
          during the three months ended march 31, 2017 and 2016, liabilities of 623 and 6,778, respectively, were incurred but not paid in connection with our purchase of aircraft and engines.
                                                                                                  
          during the three months ended march 31, 2017 and 2016, engines and equipment totaling 37,883 and 12,806, respectively, were transferred from held for operating lease to held for sale
                                                                                                  
          during the three months ended march 31, 2016 , an aircraft of 2,925 was transferred from property, equipment and furnishings to assets held for lease.
                                                                                                  
          amortization of interest rate derivative cost
                                            -128,000           -55,000 23,000 23,000 437,000 674,000 757,000 756,000 769,000                                   
          restricted cash
                                    7,319,000 9,199,000 -8,852,000 3,062,000 -602,000 7,897,000 -3,301,000 5,642,000 -4,143,000        -370,000   -9,847,000 2,471,000 12,499,000 5,336,000 -17,791,000     6,640,000 -4,238,000 5,281,000 1,712,000                               
          restricted cash for investing activities
                                    -1,400,000 1,400,000 -1,345,000 -5,541,000 4,684,000   -5,937,000 6,816,000 5,487,000       31,000 1,550,000 13,942,000 -16,557,000 -689,000           -650,000 11,189,000  2,422,000 -2,891,000 14,100,000                       
          restricted cash for financing activities
                                                                                                  
          increase in cash and cash equivalents
                                    -577,000 -10,401,000 8,311,000 3,011,000   537,000 2,142,000    2,830,000        -839,000 433,000 -2,245,000 5,498,000 529,000      -3,004,000 19,475,000 10,974,000      -2,157,000 1,364,000 1,223,000                8,677,000 -2,749,000 -10,280,000 7,152,000 8,349,000  -2,628,000 
          cash and cash equivalents at beginning of period
                                    9,732,000 13,493,000 12,801,000 5,379,000 6,440,000 2,225,000 2,056,000 8,618,000 7,234,000 387,000 6,346,000                 
          cash and cash equivalents at end of period
                                    -577,000 -10,401,000 8,311,000 12,743,000 487,000 -6,927,000 537,000 15,635,000 2,652,000 -1,531,000 -3,259,000 15,631,000 8,773,000 -312,000 2,983,000 1,357,000 -11,800,000 12,605,000 -1,027,000 5,601,000 433,000 -2,245,000 5,498,000 2,754,000 212,000 328,000 -239,000 1,924,000 -34,007,000 -3,004,000 19,475,000 19,592,000 7,110,000 -68,000 -754,000 2,330,000 6,417,000 -2,157,000 1,364,000 1,610,000 -154,000 -1,537,000 -814,000 2,892,000 2,162,000 -199,000                 
          during the years ended december 31, 2016, 2015, 2014, a liability of 5,337, 4,662 and 8,188, respectively, was incurred but not paid in connection with our purchase of aircraft and engines.
                                                                                                  
          during the years ended december 31, 2016, 2015, 2014, engines and equipment totaling 28,560, 22,079, and 3,071, respectively, were transferred from held for operating lease to held for sale.
                                                                                                  
          during the years ended december 31, 2016, 2015, 2014, engines and equipment totaling nil, 6,061 and 9,649 were transferred from held for sale to spare parts inventory, respectively.
                                                                                                  
          during the years ended december 31, 2016, an aircraft of 2,925 was transferred from property, equipment and furnishings to assets held for lease.
                                                                                                  
          as of december 31, 2016, accrued preferred stock dividends were 281.
                                                                                                  
          during the year ended december 31, 2016, the accretion of preferred stock issuance costs was 8.
                                                                                                  
          certain amounts include adjustments to prior periods see "note 1. summary of significant accounting policies (c) correction of immaterial errors - consolidated financial statements" for further disclosure.
                                                                                                  
          loss on extinguishment of debt
                                                                                                 
          restricted cash from financing activities
                                     1,345,000                                                           
          certain amounts include adjustments to prior periods see "note 1. summary of signaficant accounting policies (c) correction of immaterial errors - consolidated financial statements" for further disclosure.
                                                                                                  
          during the nine months ended september 30, 2016 and 2015, liabilities of 3,089 and 3,260, respectively, were incurred but not paid in connection with our purchase of aircraft and engines.
                                                                                                  
          during the nine months ended september 30, 2016 and 2015, engines and equipment totaling 9,266 and 19,654, respectively, were transferred, net from held for operating lease to held for sale.
                                                                                                  
          during the nine months ended september 30, 2016, an aircraft of 2,925 was transferred from property, equipment and furnishings to assets held for lease.
                                                                                                  
          certain amounts include adjustments to prior periods see "note 1. summary of signaficant accounting policies (c) correction of errors - consolidated financial statements" for further disclosure.
                                                                                                  
          during the six months ended june 30, 2016 and 2015, liabilities of 2,565 and 822, respectively, were incurred but not paid in connection with our purchase of aircraft and engines.
                                                                                                  
          during the six months ended june 30, 2016 and 2015, engines and equipment totaling 18,371 and 15,377, respectively, were transferred from held for operating lease to held for sale
                                                                                                  
          during the six months ended june 30, 2016, an aircraft of 2,925 was transferred from property, equipment and furnishings to assets held for lease.
                                                                                                  
          during the three months ended march 31, 2016 and 2015, liabilities of 6,778 and 169, respectively, were incurred but not paid in connection with our purchase of aircraft and engines.
                                                                                                  
          during the three months ended march 31, 2016 and 2015, engines and equipment totaling 12,806 and 86, respectively, were transferred from held for operating lease to held for sale
                                                                                                  
          acquisition of j.t. power, net of cash acquired
                                                                                                  
          investment in wolf, net of cash acquired
                                                                                                  
          during the years ended december 31, 2015, 2014, 2013, a liability of 4,662, 8,188 and 63, respectively, was incurred but not paid in connection with our purchase of aircraft and engines.
                                                                                                  
          during the years ended december 31, 2015, 2014, 2013, engines and equipment totaling 22,079, 3,071, and 15,166, respectively, were transferred from held for operating lease to held for sale.
                                                                                                  
          during the years ended december 31, 2015 and december 31, 2014, engines and equipment totaling 6,061 and 9,649 were transferred from held for sale to spare parts inventory, respectively.
                                                                                                  
          proceeds from sale of equipment held for operating lease
                                                      4,976,000 24,075,000 988,000 77,953,000 2,303,000 29,533,000 962,000 27,200,000 26,446,000 9,169,000 1,981,000 820,000 10,595,000 12,097,000 13,663,000 65,840,000 19,437,000 553,000 25,768,000 2,777,000 5,656,000 2,270,000 14,783,000 11,903,000 7,378,000 8,631,000 13,314,000 4,201,000 14,583,000 1,529,000 8,285,000 7,789,000 2,547,000 386,000 5,627,000 6,184,000 7,931,000 644,000 3,056,000 88,000 4,948,000 8,308,000 8,206,000 2,448,000 
          dividends received from joint ventures
                                                                                                  
          decrease in restricted cash
                                         11,222,000           30,005,000                                              
          decrease in cash and cash equivalents
                                                                                                  
          during the nine months ended september 30, 2015 and 2014, a liability of 3,260 and 295, respectively, was incurred but not paid in connection with our purchase of aircraft and engines.
                                                                                                  
          during the nine months ended september 30, 2015 and 2014, engines and equipment totaling 19,441 and 1,456 respectively, were transferred from held for operating lease to held for sale but not sold.
                                                                                                  
          during the six months ended june 30, 2015 and 2014, a liability of 822 and 802, respectively, was incurred but not paid in connection with our purchase of aircraft and engines.
                                                                                                  
          during the six months ended june 30, 2015 and 2014, engines and equipment totaling 15,377 and 1,684, respectively, were transferred from held for operating lease to held for sale but not sold.
                                                                                                  
          during the three months ended march 31, 2015 and 2014, a liability of 169 and 802, respectively, was incurred but not paid in connection with our purchase of aircraft and engines.
                                                                                                  
          during the three months ended march 31, 2015 and 2014, engines and equipment totaling 86 and 10,924, respectively, were transferred from held for operating lease to held for sale but not sold.
                                                                                                  
          amortization of loan discount
                                                    98,000 119,000 124,000 127,000 131,000 135,000 139,000 143,000 146,000 151,000 154,000 159,000 162,000 184,000 171,000 174,000 179,000 164,000 78,000 85,000 98,000 100,000 102,000 104,000 107,000 109,000 103,000 153,000    70,000 56,000 130,000           
          gain on non-monetary exchange
                                                                                                  
          non-cash portion of loss on debt extinguishment and derivatives termination
                                                    50,000                                              
          notes receivable
                                                    5,000   45,000 56,000 50,000 54,000    114,000                                   
          redemption of preferred stock
                                                                                                  
          during the years ended december 31, 2014, 2013, 2012, a liability of 8,188, 63, and 2,255, respectively, was incurred but not paid in connection with our purchase of aircraft and engines.
                                                                                                  
          during the years ended december 31, 2014, 2013, 2012, engines and equipment totaling 3,071, 15,166, and 22,935, respectively, were transferred from held for operating lease to held for sale but not settled.
                                                                                                  
          during the year ended december 31, 2014, engines and equipment totaling 9,649 were transferred from held for sale to spare parts inventory.
                                                                                                  
          investment in joint venture, net of cash acquired
                                                                                                  
          during the nine months ended september 30, 2014, and 2013, a liability of 416 and 503, respectively, was incurred but not paid in connection with our purchase of aircraft and engines.
                                                                                                  
          during the nine months ended september 30, 2014 and 2013, engines and equipment totaling 0 and 4,900, respectively, were transferred from held for operating lease to held for sale but not settled.
                                                                                                  
          adjustments to reconcile net income to net cash provided by operating activities:
                                                                                                  
          income from joint ventures, net of distributions
                                                        -202,000 -22,000                                         
          during the six months ended june 30, 2014, and 2013, a liability of 802 and 4,051, respectively, was incurred but not paid in connection with our purchase of aircraft and engines.
                                                                                                  
          during the six months ended june 30, 2014 and 2013, engines and equipment totalling 1,684 and 2,063, respectively, were transferred from held for operating lease to held for sale but not settled.
                                                                                                  
          during the three months ended march 31, 2014, and 2013, a liability of 802 and 767, respectively, was incurred but not paid in connection with our purchase of aircraft and engines.
                                                                                                  
          during the three months ended march 31, 2014 and 2013, engines and equipment totaling 10,924 and 2,141, respectively, were transferred from held for operating lease to held for sale but not settled.
                                                                                                  
          other non-cash items
                                                        -901,000                                         
          acquisition of wolf, net of cash acquired
                                                                                                  
          cash settlement of stock options
                                                                                                 
          during the years ended december 31, 2013, 2012, 2011, a liability of 63, 2,255, and 0, respectively, was incurred but not paid in connection with our purchase of aircraft and engines.
                                                                                                  
          during the years ended december 31, 2013, 2012, 2011, engines and equipment totaling 15,166, 22,935, and 17,067, respectively, were transferred from held for operating lease to held for sale but not settled.
                                                                                                  
          depreciation expense
                                                 15,762,000 14,191,000 13,610,000 13,710,000 13,885,000 12,490,000 12,506,000 12,534,000 12,456,000 13,071,000 13,189,000 12,626,000 13,021,000 11,314,000 11,743,000 11,748,000 11,994,000 9,997,000 10,352,000 9,631,000 10,082,000 9,085,000 8,640,000 8,480,000 8,267,000 7,946,000 6,443,000 6,149,000 5,927,000 6,898,000 6,588,000 6,708,000 6,460,000 6,083,000 6,040,000 6,071,000 5,802,000 5,603,000 5,722,000 5,750,000 5,370,000 5,312,000 5,254,000 4,924,000 5,017,000 4,791,000 4,717,000 5,191,000 4,268,000 
          non cash portion of loss of debt extinguishment and derivatives termination
                                                                                                  
          during the nine months ended september 30, 2013 and 2012, engines and equipment totalling 9,493 and 4,900, respectively, were transferred from held for operating lease to held for sale but not settled.
                                                                                                  
          during the six months ended june 30, 2013 and 2012, engines and equipment totalling 2,063 and 3,208, respectively, were transferred from held for operating lease to held for sale but not settled.
                                                                                                  
          during the three months ended march 31, 2013 and 2012, engines and equipment totalling 2,141 and 4,429, respectively, were transferred from held for operating lease to held for sale but not settled.
                                                                                                  
          gain on sale of interest in joint venture
                                                                                                  
          proceeds from sale of equipment held
                                                                                                  
          proceeds from sale of interest in joint venture
                                                                                                  
          investment in joint ventures
                                                                                                  
          during the years ended december 31, 2012, 2011, 2010, a liability of 2,402, 0 and 6,099, respectively, was incurred but not paid in connection with our purchase of aircraft and engines.
                                                                                                  
          during the years ended december 31, 2012, 2011, 2010, engines and equipment totaling 22,935, 17,067 and 70,000, respectively, were transferred from held for operating lease to held for sale but not settled.
                                                                                                  
          investment in joint venture
                                                       -1,868,000 -948,000                                         
          during the nine months ended september 30, 2012 and 2011, engines and equipment totalling 4.9 million and 0, respectively, were transferred from held for operating lease to held for sale.
                                                                                                  
          income from joint venture, net of distributions
                                                       -258,000    -306,000                                       
          proceeds from other debt
                                                                                                  
          during the six months ended june 30, 2012 and 2011, engines and equipment totalling 3,208 and 328, respectively, were transferred from held for operating lease to held for sale.
                                                                                                  
          during the three months ended march 31, 2012 and 2011, engines and equipment totalling 4,429 and 0, respectively, were transferred from held for operating lease to held for sale.
                                                                                                  
          gain on sale of leased equipment deposits
                                                                                                  
          settlement of interest rate derivative
                                                                                                  
          net loss on debt extinguishment
                                                                                                  
          proceeds from sale of equipment deposits
                                                                6,580,000                               
          distribution to preferred stockholders
                                                                                                  
          proceeds from issuance of common stock
                                                                       172,000 44,000 179,000 614,000 282,000 279,000 58,000 598,000 29,000 38,000 350,000 288,000 124,000 150,000 70,000 331,000 206,000 21,000 22,000 18,000 17,000 23,000 206,000 
          during the years ended december 31, 2011, 2010, 2009, a liability of 0, 6,099 and 0, respectively, was incurred but not paid in connection with our purchase of aircraft and engines.
                                                                                                  
          during the years ended december 31, 2011, 2010, 2009, engines and equipment totalling 17,067, 70,000 and 9,039, respectively, were transferred from held for operating lease to held for sale but not settled.
                                                                                                  
          excess tax benefit/(cost) from stock-based compensation
                                                          180,000 245,000                                       
          net gain on debt extinguishment
                                                                                                  
          excess distributions from joint venture
                                                                                                  
          during the years ended december 31, 2010, 2009, 2008, a liability of 6,099, 0 and 587, respectively, was incurred but not paid in connection with our purchase of aircraft and engines.
                                                                                                  
          gain upon extinguishment of debt
                                                                                                  
          earnings from joint venture
                                                                                                  
          distributions from joint venture
                                                             232,000 195,000 289,000 100,000 160,000 190,000 225,000 250,000 190,000 100,000 150,000 -555,000 340,000 430,000 760,000 149,000 190,000 85,000                   
          distributions to preferred stockholders
                                                                                                  
          excess tax benefit (cost) from stock-based compensation
                                                                                                  
          equipment purchase deposits
                                                                   300,000                               
          net cash from (used in) investing activities
                                                               71,000                                   
          excess tax cost from stock-based compensation
                                                                                                  
          net cash (used in) provided by financing activities
                                                                                                  
          loss on disposition of property, plant & equipment
                                                                                                  
          income from joint venture
                                                                                                  
          during the years ended december 31, 2009, 2008 and 2007, a liability of 0, 587 and 2,184, respectively, was incurred but not paid in connection with our purchase of aircraft and engines.
                                                                                                  
          excess tax benefits (cost) from stock-based compensation
                                                                                                  
          gain on sale of equipment deposits
                                                                                                  
          gain on sale of equipment
                                                                                                  
          gain on sale of property, equipment and furnishings
                                                                                                  
          changes in the fair value of derivative instruments
                                                                                                  
          net loss on extinguishment of debt
                                                                                                  
          proceeds from principal payment of notes receivable
                                                                        12,000 -12,000 30,000 62,000 69,000 68,000 69,000 4,419,000 69,000 130,000              
          loss on sale of property, equipment and furnishings
                                                                                                  
          loss upon extinguishment of debt
                                                                                                  
          (gain) loss on sale of leased equipment
                                                                                                  
          increase (decrease) in cash and cash equivalents
                                                                                                  
          change in fair value of derivative instruments
                                                                                                  
          net cash provided by operating activities
                                                                            7,948,000 12,454,000 16,328,000 2,248,000              5,492,000 8,811,000 7,035,000   
          net cash provided by financing activities
                                                                                                  
          supplemental disclosures of cash flow information: |
                                                                                                  
          proceeds from sale of property, equipment and furnishings
                                                                                                  
          net principal payments received on direct finance lease
                                                                                    1,807,000 3,446,000 298,000           
          net cash from by financing activities
                                                                                                  
          cash restricted on formation of west
                                                                                                  
          supplemental disclosure of non-cash investing activities:
                                                                                                  
          during the nine months ended september 30, 2006 and 2005, respectively, 6,534 and 7,918 of maintenance reserves were included in the gain on the sale of leased equipment.
                                                                                                  
          net cash provided/(used in) by financing activities
                                                                                                  
          during the six months ended june 30, 2006 and 2005, respectively, 4,098 and 7,748 of maintenance reserves were included in the gain on the sale of leased equipment.
                                                                                                  
          net cash (used in)/provided by financing activities
                                                                               14,689,000                   
          in march 2005, a note receivable of 4,350 was received in connection with the company’s sale of an engine.
                                                                                                  
          during the three months ended march 31, 2006 and 2005, respectively, 66 and 3,205 of maintenance reserves were included in the gain on the sale of leased equipment.
                                                                                                  
          during the three months ended march 31, 2006, 13,249 of accounts payable were paid to vendors for purchase of equipment held for operating leases.
                                                                                                  
          investment in wolf a340, llc
                                                                                                  
          during the years ended december 31, 2005, 2004 and 2003, respectively, 11,497, 1,131 and 918 of maintenance reserves were included in the gain on the sale of leased equipment.
                                                                                                  
          during the years ended december 31, 2005, 2004 and 2003, a liability of 13,242, 0 and 13,317, respectively, was incurred in connection with our purchase of aircraft and engines.
                                                                                                  
          during the nine months ended september 30, 2005 and 2004, 7,918 and 1,131, respectively, of maintenance reserves were included in the gain on the sale of leased equipment.
                                                                                                  
          amortization of prepaid expenses
                                                                                                  
          during the six months ended june 30, 2005, 7,748 of maintenance reserves were included in the gain on the sale of leased equipment.
                                                                                                  
          at june 30, 2005 and 2004 a liability of 1,750 and 4,093 were incurred in in connection with the company's purchase and capital improvement of engines.
                                                                                                  
          amortization
                                                                                   1,454,000  1,158,000 1,097,000 1,212,000    993,000       
          decrease in cash and cash equivalents and restricted cash
                                                                                                  
          cash and cash equivalents at beginning of period including restricted cash of 46,324 and 33,784 at december 31, 2004 and 2003, respectively
                                                                                   51,864,000               
          cash and cash equivalents at end of period:
                                                                                                  
          unrestricted cash and cash equivalents
                                                                                   2,756,000               
          restricted cash and cash equivalents
                                                                                   38,849,000               
          total cash and cash equivalents at end of period
                                                                                   41,605,000               
          during the three months ended march 31, 2005, 3,205 of maintenance reserves were included in the gain on the sale of leased equipment.
                                                                                                  
          write-off of deferred costs
                                                                                    65,000              
          proceeds from sale of property, plant & equipment
                                                                                                  
          purchase of derivative instruments
                                                                                                  
          increase in cash and cash equivalents and restricted cash
                                                                                    1,933,000 3,576,000   4,021,000 6,761,000         
          cash and cash equivalents at beginning of period including restricted cash of 33,784, 24,486 and 20,351 at december 31, 2003, 2002 and 2001, respectively
                                                                                                  
          cash and cash equivalents at end of period including restricted cash of 46,324, 33,784 and 24,486 at december 31, 2004, 2003 and 2002, respectively
                                                                                                  
          in 2003, a liability of 13,317 was incurred in connection with the company’s purchase of aircraft and engines.
                                                                                                  
          other income
                                                                                                  
          cash and cash equivalents at beginning of period including restricted cash of 33,784 and 24,486 at december 31, 2003, and 2002, respectively
                                                                                     42,986,000           
          cash and cash equivalents at end of period including restricted cash of 42,635, and 29,316 at sept. 30, 2004 and 2003, respectively
                                                                                                  
          cash and cash equivalents at end of period including restricted cash of 37,160, and 27,359 at june 30, 2004 and 2003, respectively
                                                                                                  
          at june 30, 2004, a liability of 4,093 was incurred in connection with the company’s purchase and repair of engines.
                                                                                                  
          cash and cash equivalents at end of period including restricted cash of 33,609, and 26,297 at march 31, 2004 and 2003, respectively
                                                                                       36,860,000           
          0
                                                                                                  
          stock option compensation
                                                                                                
          loss on sale of discontinued operations
                                                                                                
          residual share payable
                                                                                                  
          proceeds from sale of discontinued operations
                                                                                                
          investment at cost
                                                                                                  
          cash and cash equivalents at beginning of period including restricted cash of 24,486, 20,351 and 16,666 at december 31, 2002, 2001 and 2000, respectively
                                                                                                  
          cash and cash equivalents at end of period including restricted cash of 33,784, 24,486 and 20,351 at december 31, 2003, 2002 and 2001, respectively
                                                                                                  
          maintenance deposits
                                                                                         3,916,000 3,235,000 1,601,000 2,212,000 -62,000 2,451,000 696,000 -370,000 2,676,000 
          principal payments received on direct finance lease
                                                                                         206,000 201,000 196,000 122,000 119,000 115,000 111,000 119,000 146,000 
          cash and cash equivalents at beginning of period including restricted cash of 24,486 and 20,351 at december 31, 2002 and 2001, respectively
                                                                                         27,289,000       
          cash and cash equivalents at end of period including restricted cash of 29,316 and 22,339 at september 30, 2003 and 2002, respectively
                                                                                                  
          net cash paid for: interest
                                                                                                  
          cash and cash equivalents at end of period including restricted cash of 27,359 and 25,929 at june 30, 2003 and 2002, respectively
                                                                                                  
          cash and cash equivalents at end of period including restricted cash of 26,297 and 20,743 at march 31, 2003 and 2002, respectively
                                                                                           35,966,000       
          a liability of 1,120 was incurred in connection with engine overhauls.
                                                                                                  
          loss from unconsolidated affiliate
                                                                                                  
          write off of debt issuance costs
                                                                                                  
          principal payments on capital lease obligation
                                                                                                  
          cash and cash equivalents at beginning of period including restricted cash of 20,351, 16,666 and 15,992 at december 31, 2002, 2001 and 2000, respectively
                                                                                                  
          cash and cash equivalents at end of period including restricted cash of 24,486, 20,351 and 16,666 at december 31, 2002, 2001 and 2000, respectively
                                                                                                  
          write off of deferred costs
                                                                                                  
          adjustment to proceeds from sale of discontinued operations
                                                                                                  
          cash and cash equivalents at beginning of period including restricted cash of 20,351 and 16,666 at december 31, 2001 and 2000, respectively
                                                                                             24,817,000   
          cash and cash equivalents at end of period including restricted cash of 22,339 and 25,359 at september 30, 2002 and 2001, respectively
                                                                                                  
          cash and cash equivalents at end of period including restricted cash of 25,929 and 25,359 at june 31, 2002 and 2001, respectively
                                                                                                  
          cash and cash equivalents at end of period including restricted cash of 20,743 and 27,485 at march 31, 2002 and 2001, respectively
                                                                                               33,166,000   
          supplemental information:
                                                                                                  
          cash paid for:
                                                                                               4,340,000   
          cash and cash equivalents at beginning of period including restricted cash of 16,666, 15,992 and 13,738 at december 31, 2000, 1999 and 1998 respectively
                                                                                                  
          cash and cash equivalents at end of period including restricted cash of 20,351, 16,666 and 15,992 at december 31, 2001, 2000 and 1999, respectively
                                                                                                  
          non-cash investing activity:
                                                                                                  
          transfer of assets to unconsolidated affiliate
                                                                                                  
          non-cash financing activities:
                                                                                                  
          short term loans related to sale of equipment
                                                                                                  
          investments in joint ventures
                                                                                                  
          net cash provided (used in) by financing activities
                                                                                                  
          cash and cash equivalents at beginning of period including restricted cash of 16,666 and 15,992 at december 31, 2000 and 1999 respectively
                                                                                                 
          cash and cash equivalents at end of period including restricted cash of 18,799 and 14,051 at september 30, 2001 and 2000, respectively
                                                                                                  
          net cash used in investing activities
                                                                                                  
          cash and cash equivalents at end of period including restricted cash of 25,359 and 19,779 at june 30, 2001 and 2000, respectively