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Air Lease Corporation
(NYSE:AL) 

AL stock logo

Air Lease Corporation, an aircraft leasing company, engages in the purchase and leasing of new commercial jet aircraft to airlines worldwide. The company also sells aircraft from its operating lease portfolio to third parties, including other leasing companies, financial services companies, airlines...

Founded: 2010
Full Time Employees: 117
Sector: Industrials
Industry: Rental & Leasing Services

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Quarterly
Annual
    Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 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 2014-09-30 2014-06-30 2014-03-31 2013-09-30 2013-06-30 2013-03-31 2012-09-30 2012-06-30 2012-03-31 2011-09-30 2011-06-30 2011-03-31 
                                                            
      revenues and other income
                                                            
      rental of flight equipment revenue
                                                            
      lease rentals
    664,895,000 665,576,000 647,661,000                                                      
      maintenance rentals and other receipts
    14,646,000 15,325,000 31,048,000                                                      
      total rental of flight equipment revenue
    679,541,000 680,901,000 678,709,000                                                      
      gain on aircraft sales and trading and other income
    140,838,000 44,492,000 52,987,000                                                      
      total revenues and other income
    820,379,000 725,393,000 731,696,000                                                      
      expenses
                                                            
      interest
    204,599,000 215,501,000 209,087,000 208,574,000 207,305,000 203,092,000 190,004,000 181,595,000 169,355,000 161,769,000 172,174,000 151,613,000 134,303,000 122,348,000 118,997,000 117,277,000 116,152,000 114,659,000 113,598,000 117,986,000 113,980,000 107,519,000 102,693,000 107,541,000 106,639,000 104,637,000 96,824,000 89,220,000 85,442,000 82,189,000 73,452,000 67,063,000 64,326,000 63,514,000 63,014,000 67,063,000 66,389,000 64,720,000 63,190,000 60,960,000 61,983,000 60,103,000 58,148,000 55,403,000 48,582,000 47,335,000 44,358,000 41,946,000 43,468,000 40,230,000 35,248,000 34,146,000 21,914,000 10,993,000 10,090,000 9,060,000 
      amortization of debt discounts and issuance costs
    12,707,000 12,880,000 13,217,000 13,995,000 14,051,000 14,371,000 13,292,000 13,108,000 13,639,000 13,695,000 13,646,000 13,073,000 13,482,000 13,162,000 13,413,000 13,198,000 13,511,000 12,571,000 12,513,000 12,025,000 11,365,000 10,899,000 10,233,000 10,528,000 10,361,000 9,078,000 8,712,000 8,540,000 8,475,000 8,199,000 8,010,000 8,992,000 7,066,000 6,959,000 6,437,000 8,992,000 8,312,000 8,081,000 7,388,000 7,161,000 7,725,000 7,419,000 7,681,000 7,682,000             
      interest expense
    217,306,000 228,381,000 222,304,000 222,569,000 221,356,000 217,463,000 203,296,000 194,703,000 182,994,000 175,464,000 185,820,000 164,686,000 147,785,000 135,510,000 132,410,000 130,475,000 129,663,000 127,230,000 126,111,000 130,011,000 125,345,000 118,418,000 112,926,000 118,069,000 117,000,000 113,715,000 105,536,000 97,760,000 93,917,000 90,388,000 81,462,000 76,055,000 71,392,000 70,473,000 69,451,000 76,055,000 74,701,000 72,801,000 70,578,000 68,121,000 69,708,000 67,522,000 65,829,000 63,085,000 56,005,000 54,324,000 50,848,000 47,958,000 48,817,000 45,440,000 39,843,000 38,237,000 24,781,000 13,301,000 15,775,000 11,388,000 
      depreciation of flight equipment
    309,099,000 311,126,000 304,288,000 299,019,000 294,387,000 290,132,000 281,982,000 277,260,000 273,113,000 267,393,000 268,586,000 259,680,000 252,860,000 242,503,000 235,284,000 235,308,000 230,820,000 224,960,000 217,817,000 208,965,000 202,722,000 195,054,000 194,020,000 188,895,000 187,862,000 183,788,000 171,689,000 159,471,000 153,548,000 149,703,000 142,600,000 123,909,000 130,400,000 127,553,000 126,490,000 123,909,000 118,720,000 113,251,000 112,136,000 108,575,000 106,300,000 102,046,000 98,402,000 91,012,000 86,119,000 81,475,000 78,142,000 71,811,000 68,783,000 63,863,000 57,932,000 52,537,000 44,336,000 30,657,000 24,644,000 18,130,000 
      recoveries of russian fleet write-off
     -60,469,000 -344,002,000 -331,938,000                                                     
      selling, general and administrative
    40,245,750 51,784,000 49,851,000 59,348,000 34,398,000 44,418,000 45,432,000 47,743,000 34,054,000 42,770,000 45,832,000 47,614,000 27,748,250 39,718,000 38,512,000 32,762,000 21,170,500 31,082,000 26,687,000 26,914,000 18,785,500 20,239,000 26,581,000 28,322,000 23,047,000 34,715,000 27,771,000 29,702,000 17,798,500 26,377,000 21,458,000 22,572,000 16,419,250 19,262,000 23,843,000 22,572,000 23,064,000 19,874,000 20,653,000 19,402,000 20,811,000 19,323,000 17,729,000 19,098,000 19,656,000 19,906,000 19,186,000 17,497,000 16,648,000 14,247,000 12,833,000 14,308,000 13,609,000 11,512,000 11,284,000 9,865,000 
      stock-based compensation expense
    9,038,000 9,603,000 12,674,000 17,616,000 8,856,000 7,919,000 8,837,000 8,275,000 11,285,000 8,719,000 8,715,000 5,896,000 5,804,000 5,764,000 6,558,000                                          
      total expenses
    593,903,000 540,425,000 245,115,000 266,614,000 572,940,000 559,932,000 539,547,000 527,981,000 450,169,000 494,346,000 508,953,000 477,876,000 421,435,000 423,495,000 412,764,000 1,198,374,000 408,796,000 389,964,000 377,315,000 371,298,000 351,281,000 340,346,000 337,419,000 339,715,000 342,138,000 337,115,000 310,859,000 291,107,000 277,953,000 271,316,000 250,405,000 226,309,000 232,807,000 222,646,000 225,088,000 226,309,000 221,084,000 210,528,000 207,868,000 199,337,000 201,469,000 193,539,000 186,538,000 248,341,000 165,662,000 160,645,000 151,576,000 141,017,000 141,561,000 130,325,000 117,732,000 114,289,000 90,943,000 63,784,000 63,456,000 50,291,000 
      income before taxes
    226,476,000 184,968,000 486,581,000 471,668,000 139,955,000 130,232,000 127,741,000 135,329,000 266,399,000 165,018,000 163,951,000 158,266,000 180,175,000 137,839,000 144,932,000 -601,713,000 188,380,000 134,545,000 114,562,000 103,529,000 137,821,000 153,255,000 183,930,000 171,672,000 206,418,000 193,787,000 160,536,000 174,944,000 172,028,000 179,382,000 147,409,000 133,878,000 165,664,000 154,119,000 155,869,000 133,878,000 149,403,000 144,573,000 142,271,000 143,991,000 125,228,000 119,587,000 118,164,000 29,974,000 96,277,000 95,680,000 94,709,000 74,888,000 66,311,000 61,672,000 57,193,000 43,884,000 41,610,000 28,341,000 10,888,000 4,924,000 
      income tax expense
    -45,544,000 -38,512,000 -101,414,000 -95,836,000 -19,629,750 -26,261,000 -24,795,000 -27,463,000         -36,599,000 -27,208,000 -21,140,000 -19,437,000 -26,728,000 -32,860,000 -36,305,000 -34,521,000 -26,770,250 -38,000,000 -32,231,000 -36,850,000 -23,918,500 -32,808,000 -32,198,000 -48,941,000 -39,704,000 -54,931,000 -54,944,000 -48,941,000 -52,415,000 -51,297,000 -50,468,000 -51,133,000 -44,329,000 -42,545,000               
      net income
    180,932,000 146,456,000 385,167,000 375,832,000 112,921,000 103,971,000 102,946,000 107,866,000 221,051,000 132,450,000 132,401,000 128,720,000 145,310,000 110,381,000 116,277,000 -468,993,000 151,781,000 107,337,000 93,422,000 84,092,000 111,093,000 120,395,000 147,625,000 137,151,000 164,935,000 155,787,000 128,305,000 138,094,000 138,399,000 146,574,000 115,211,000 84,937,000 471,102,000 99,188,000 100,925,000 84,937,000 96,988,000 93,276,000 91,803,000 92,858,000 80,899,000 77,042,000 76,118,000 19,332,000 62,433,000 62,037,000 61,397,000 48,578,000 42,990,000 39,996,000 37,011,000 28,172,000 26,927,000 18,271,000 7,023,000 3,176,000 
      yoy
    60.23% 40.86% 274.14% 248.42% -48.92% -21.50% -22.25% -16.20% 52.12% 19.99% 13.87% -127.45% -4.26% 2.84% 24.46% -657.71% 36.63% -10.85% -36.72% -38.69% -32.64% -22.72% 15.06% -0.68% 19.17% 6.29% 11.37% 62.58% -70.62% 47.77% 14.16% 0.00% 385.73% 6.34% 9.94% -8.53% 19.89% 21.07% 20.61% 380.33% 29.58% 24.19% 23.98% -60.20% 45.23% 55.11% 65.89% 72.43% 59.65% 118.90% 427.00% 787.03%     
      qoq
    23.54% -61.98% 2.48% 232.83% 8.61% 1.00% -4.56% -51.20% 66.89% 0.04% 2.86% -11.42% 31.64% -5.07% -124.79% -408.99% 41.41% 14.89% 11.09% -24.30% -7.73% -18.45% 7.64% -16.85% 5.87% 21.42% -7.09% -0.22% -5.58% 27.22% 35.64% -81.97% 374.96% -1.72% 18.82% -12.43% 3.98% 1.60% -1.14% 14.78% 5.01% 1.21% 293.74% -69.04% 0.64% 1.04% 26.39% 13.00% 7.49% 8.07% 31.38% 4.62% 47.38% 160.16% 121.13%  
      net income margin %
    Infinity% Infinity% Infinity% 50.91% 15.84% 15.06% 15.43% 16.26% 30.85% 20.09% 19.68% 20.23% 24.15% 19.66% 20.85% -78.60% 25.42% 20.46% 18.99% 17.71% 22.71% 24.39% 28.32% 26.82% 30.07% 29.34% 27.22% 29.63% 30.76% 32.52% 28.96% 23.58% 118.23% 26.33% 26.49% 23.58% 26.18% 26.27% 26.22% 27.05% 24.76% 24.60% 24.98% 6.95% 23.83% 24.20% 24.93% 22.50% 20.68% 20.83% 21.16% 17.81% 20.31% 19.83% 9.45% 5.75% 
      preferred stock dividends
    -11,081,000 -11,082,000 -11,081,000 -11,081,000 -20,373,000 -12,325,000 -12,508,000 -10,425,000 -10,425,000 -10,425,000 -10,425,000 -10,425,000 -10,425,000 -10,425,000 -10,425,000 -10,425,000 -9,463,000 -7,331,000 -7,835,000 -3,844,000 -3,844,000 -3,843,000 -3,844,000 -3,844,000 -3,843,000 -3,844,000 -4,271,000                              
      net income attributable to common stockholders
    169,851,000 135,374,000 374,086,000 364,751,000 92,548,000 91,646,000 90,438,000 97,441,000 210,626,000 122,025,000 121,976,000 118,295,000 134,885,000 99,956,000 105,852,000 -479,418,000                                         
      other comprehensive income:
                                                            
      foreign currency translation adjustment
    -10,251,000 18,323,000 -94,267,000 -27,701,000 85,908,000 -35,976,000 14,576,000 18,444,000 -20,697,000 7,453,000 -6,123,000 -830,000 -5,868,000 21,481,000 9,349,000 -3,019,000 -1,476,000 7,129,000 -4,265,000 -3,807,000                                     
      change in fair value of hedged transactions
    4,201,000 -22,762,000 90,331,000 11,226,000 -56,596,000 31,833,000 -15,226,000 -19,860,000 21,193,000 -7,629,000 5,748,000 148,000 5,127,000 -17,063,000 -9,941,000 5,230,000 1,383,000 -7,874,000 3,976,000 2,221,000                                     
      total tax benefit on other comprehensive income
    1,329,250 950,000 842,000 3,525,000 332,250 886,000 139,000                                                  
      other comprehensive income, net of tax
    -4,756,000 -3,489,000 -3,094,000 -12,950,000 22,679,000 -3,257,000 -511,000 -1,113,000 390,000 -139,000 -295,000 -536,000 -582,000 3,472,000 -465,000 1,738,000 -73,000 -586,000 -227,000 -1,247,000                                     
      total comprehensive income attributable to common stockholders
    165,095,000 131,885,000 370,992,000 351,801,000 115,227,000 88,389,000 89,927,000 96,328,000 211,016,000 121,886,000 121,681,000 117,759,000 134,303,000 103,428,000 105,387,000 -477,680,000                                         
      earnings per share of common stock:
                                                            
      basic
    1.52 1.21 3.35 3.27 0.83 0.82 0.81 0.88 1.9 1.1 1.1 1.07 1.21 0.9 0.95 -4.21 1.25 0.88 0.75 0.7 0.95 1.02 1.26 1.17 1.43 1.36 1.11 1.24                             
      diluted
    1.5 1.21 3.33 3.26 0.83 0.82 0.81 0.87 1.89 1.1 1.1 1.06 1.21 0.9 0.95 -4.21 1.25 0.87 0.75 0.7 0.93 1.02 1.26 1.17 1.42 1.34 1.1 1.23                             
      weighted-average shares of common stock outstanding
                                                            
      basic
    111,712,160 111,765,032 111,762,758 111,549,903 111,325,481 111,376,884 111,372,434 111,174,593 111,005,088 111,027,252 111,021,133 110,943,552 111,626,508 110,892,097 110,868,040 113,894,867 114,050,578 114,122,512 114,133,135 113,958,403 113,684,782 113,778,533 113,690,839 113,471,945 111,895,433 112,133,556 111,371,790 111,018,279 104,716,301 104,066,785 104,003,960 102,947,611 103,189,175 103,221,692 103,180,769 102,947,611 102,801,161 102,842,996 102,837,443 102,679,411 102,547,774 102,580,955 102,571,600 102,455,040 102,383,319 101,934,815 101,857,176 101,753,783 101,301,263 101,260,614 101,247,337 100,749,892 100,717,302 100,714,470 91,039,329 65,393,149 
      diluted
    112,330,337 112,341,139 112,233,226 112,030,382 111,869,386 111,804,113 111,740,821 111,529,770 111,438,589 111,346,799 111,239,004 111,199,996 111,626,508 111,090,133 111,043,836 113,894,867 114,446,093 114,381,621 114,377,965 114,237,109 114,014,021 113,951,102 113,773,127 113,785,028 113,086,323 113,263,396 112,807,023 112,380,856 112,363,331 112,509,612 112,424,582 111,429,926 111,657,564 111,709,545 111,564,483 111,429,926 110,798,727 110,788,913 110,839,180 110,563,526 110,628,865 110,623,960 110,737,844 110,558,709 110,457,170 110,056,625 110,037,382 109,227,709 108,815,938 108,346,885 107,875,105 107,410,967 107,426,789 100,767,839 91,163,657 65,511,529 
      revenues
                                                            
      rental of flight equipment
       645,370,000 638,941,000 625,180,000 609,505,000 614,329,000 644,074,000 604,027,000 611,733,000 617,773,000 561,285,000 541,397,000 545,271,000 566,554,000 563,663,000 519,535,000 452,044,000 468,095,000 483,621,000 468,443,000 497,869,000 496,687,000 504,391,000 492,869,000 463,870,000 455,739,000 437,096,000 422,763,000 393,479,000 354,653,000 378,481,000 359,487,000 358,114,000 354,653,000 353,627,000 340,864,000 327,313,000 317,198,000 314,263,000 304,264,000 286,761,000 269,256,000 252,519,000 242,538,000 230,391,000 213,835,000 206,299,000 190,103,000 172,856,000 155,050,000 131,737,000 90,476,000 74,004,000 54,612,000 
      aircraft sales, trading and other
       92,912,000 42,937,000 64,984,000 57,783,000 48,981,000 33,719,000 55,337,000 61,171,000 18,369,000 15,617,250 19,937,000 12,425,000 30,107,000 12,884,750 4,974,000 39,833,000 6,732,000 15,834,500 25,158,000 23,480,000 14,700,000 13,967,500 38,033,000 7,525,000 10,312,000 8,904,250 27,935,000 4,335,000 5,534,000 11,413,750 17,278,000 22,843,000 5,534,000 16,860,000 14,237,000 22,826,000 26,130,000 12,434,000 8,862,000 17,941,000 9,059,000 9,420,000 13,787,000 15,894,000          
      total revenues
       738,282,000 712,895,000 690,164,000 667,288,000 663,310,000 716,568,000 659,364,000 672,904,000 636,142,000 601,610,000 561,334,000 557,696,000 596,661,000 597,176,000 524,509,000 491,877,000 474,827,000 489,102,000 493,601,000 521,349,000 511,387,000 548,556,000 530,902,000 471,395,000 466,051,000 449,981,000 450,698,000 397,814,000 360,187,000 398,471,000 376,765,000 380,957,000 360,187,000 370,487,000 355,101,000 350,139,000 343,328,000 326,697,000 313,126,000 304,702,000 278,315,000 261,939,000 256,325,000 246,285,000 215,905,000 207,872,000 191,997,000 174,925,000 158,173,000 132,553,000 92,125,000 74,344,000 55,215,000 
      yoy
       11.30% -0.51% 4.67% -0.83% 4.27% 19.11% 17.46% 20.66% 6.62% 0.74% 7.02% 13.38% 25.66% 22.10% 6.26% -5.65% -7.15% -10.84% -7.03% 10.60% 9.73% 21.91% 17.80% 18.50% 29.39% 12.93% 19.62% 4.42% 0.00% 7.55% 6.10% 8.80% 4.91% 13.40% 13.41% 14.91% 23.36% 24.72% 22.16% 23.72% 28.91% 26.01% 33.50% 40.79% 36.50% 56.82% 108.41% 135.29% 186.47%     
      qoq
       3.56% 3.29% 3.43% 0.60% -7.43% 8.68% -2.01% 5.78% 5.74% 7.18% 0.65% -6.53% -0.09% 13.85% 6.63% 3.59% -2.92% -0.91% -5.32% 1.95% -6.78% 3.33% 12.62% 1.15% 3.57% -0.16% 13.29% 10.45% -9.61% 5.76% -1.10% 5.77% -2.78% 4.33% 1.42% 1.98% 5.09% 4.33% 2.76% 9.48% 6.25% 2.19% 4.08% 14.07% 3.86% 8.27% 9.76% 10.59% 19.33% 43.88% 23.92% 34.64%  
      dividends declared per share of common stock
        0.22 0.21 0.21 0.21 0.21 0.2 0.2 0.2 0.2 0.185  0.185 0.19 0.16 0.16 0.16 0.16 0.15 0.15                                  
      total tax benefit on other comprehensive income/loss
           303,000 -106,000 37,000 80,000 146,000 159,000 -946,000 127,000 -473,000 20,000 159,000 62,000 339,000   -142,000                                  
      write-off of russian fleet
                200,588,000   802,352,000                                         
      income tax benefit
            -45,348,000 -32,568,000 -31,550,000 -29,546,000 -34,865,000 -27,458,000 -28,655,000 132,720,000                                      -10,070,000 -3,865,000 -1,748,000 
      weighted-average shares outstanding
                                                            
      basic
    111,712,160 111,765,032 111,762,758 111,549,903 111,325,481 111,376,884 111,372,434 111,174,593 111,005,088 111,027,252 111,021,133 110,943,552 111,626,508 110,892,097 110,868,040 113,894,867 114,050,578 114,122,512 114,133,135 113,958,403 113,684,782 113,778,533 113,690,839 113,471,945 111,895,433 112,133,556 111,371,790 111,018,279 104,716,301 104,066,785 104,003,960 102,947,611 103,189,175 103,221,692 103,180,769 102,947,611 102,801,161 102,842,996 102,837,443 102,679,411 102,547,774 102,580,955 102,571,600 102,455,040 102,383,319 101,934,815 101,857,176 101,753,783 101,301,263 101,260,614 101,247,337 100,749,892 100,717,302 100,714,470 91,039,329 65,393,149 
      diluted
    112,330,337 112,341,139 112,233,226 112,030,382 111,869,386 111,804,113 111,740,821 111,529,770 111,438,589 111,346,799 111,239,004 111,199,996 111,626,508 111,090,133 111,043,836 113,894,867 114,446,093 114,381,621 114,377,965 114,237,109 114,014,021 113,951,102 113,773,127 113,785,028 113,086,323 113,263,396 112,807,023 112,380,856 112,363,331 112,509,612 112,424,582 111,429,926 111,657,564 111,709,545 111,564,483 111,429,926 110,798,727 110,788,913 110,839,180 110,563,526 110,628,865 110,623,960 110,737,844 110,558,709 110,457,170 110,056,625 110,037,382 109,227,709 108,815,938 108,346,885 107,875,105 107,410,967 107,426,789 100,767,839 91,163,657 65,511,529 
      dividends declared
                  0.185                                          
      stock-based compensation
                   -2,523,000 7,716,000 6,692,000 6,700,000 5,408,000 2,672,000 6,635,000 3,892,000 4,429,000 5,811,000 4,897,000 5,863,000 4,174,000 4,313,000 4,848,000 4,885,000 3,773,000 5,369,000 5,358,000 5,304,000 3,773,000 4,599,000 4,602,000 4,501,000 3,239,000 4,650,000 4,648,000 4,578,000 3,146,000 3,882,000 4,940,000 3,400,000 3,751,000 7,313,000 6,775,000 7,124,000 9,207,000 8,217,000 8,314,000 11,753,000 10,908,000 
      net income available to common stockholders
                    142,318,000 100,006,000 85,587,000 80,248,000 107,249,000 116,552,000 143,781,000 133,307,000 161,092,000 151,943,000 124,034,000                              
      total comprehensive income available for common stockholders
                    142,245,000 99,420,000 85,360,000 79,001,000 108,545,000 117,932,000 144,305,000 131,829,000                                 
      change in foreign currency translation adjustment
                        -14,429,000 -5,637,000 -10,239,000 23,477,000                                 
      change from current period hedged transaction
                        16,078,000 7,395,000 10,905,000 -25,386,000                                 
      total tax expense on other comprehensive income/loss
                        -22,250 -378,000                                   
      other comprehensive income available for common stockholders, net of tax
                        1,296,000 1,380,000 524,000 -1,478,000                                 
      other comprehensive loss:
                                                            
      total tax benefit on other comprehensive loss
                           431,000                                 
      earnings per share of class a and class b common stock:
                                                            
      basic
    1.52 1.21 3.35 3.27 0.83 0.82 0.81 0.88 1.9 1.1 1.1 1.07 1.21 0.9 0.95 -4.21 1.25 0.88 0.75 0.7 0.95 1.02 1.26 1.17 1.43 1.36 1.11 1.24                             
      diluted
    1.5 1.21 3.33 3.26 0.83 0.82 0.81 0.87 1.89 1.1 1.1 1.06 1.21 0.9 0.95 -4.21 1.25 0.87 0.75 0.7 0.93 1.02 1.26 1.17 1.42 1.34 1.1 1.23                             
      dividends declared per share of class a common stock
                           0.15 0.098 0.13 0.13 0.13 0.075 0.1                           
      net income per share
                                                            
      basic
                                1.3 1.41 1.11 0.83 4.57 0.96 0.98 0.83 0.95 0.91 0.89 0.9 0.79 0.75 0.74 0.19 0.61 0.61 0.6 0.48 0.42 0.39 0.37 0.28 0.27    
      diluted
                                1.24 1.32 1.04 0.78 4.23 0.9 0.92 0.78 0.89 0.86 0.84 0.85 0.74 0.71 0.7 0.19 0.58 0.58 0.57 0.46 0.41 0.38 0.36 0.28 0.26    
      dividends declared per share
                                  0.1 0.075                         
      settlement
                                               72,000,000             
      amortization of discounts and deferred debt issuance costs
                                                7,423,000 6,989,000           
      weighted-average shares outstanding:
                                                            
      basic
    111,712,160 111,765,032 111,762,758 111,549,903 111,325,481 111,376,884 111,372,434 111,174,593 111,005,088 111,027,252 111,021,133 110,943,552 111,626,508 110,892,097 110,868,040 113,894,867 114,050,578 114,122,512 114,133,135 113,958,403 113,684,782 113,778,533 113,690,839 113,471,945 111,895,433 112,133,556 111,371,790 111,018,279 104,716,301 104,066,785 104,003,960 102,947,611 103,189,175 103,221,692 103,180,769 102,947,611 102,801,161 102,842,996 102,837,443 102,679,411 102,547,774 102,580,955 102,571,600 102,455,040 102,383,319 101,934,815 101,857,176 101,753,783 101,301,263 101,260,614 101,247,337 100,749,892 100,717,302 100,714,470 91,039,329 65,393,149 
      diluted
    112,330,337 112,341,139 112,233,226 112,030,382 111,869,386 111,804,113 111,740,821 111,529,770 111,438,589 111,346,799 111,239,004 111,199,996 111,626,508 111,090,133 111,043,836 113,894,867 114,446,093 114,381,621 114,377,965 114,237,109 114,014,021 113,951,102 113,773,127 113,785,028 113,086,323 113,263,396 112,807,023 112,380,856 112,363,331 112,509,612 112,424,582 111,429,926 111,657,564 111,709,545 111,564,483 111,429,926 110,798,727 110,788,913 110,839,180 110,563,526 110,628,865 110,623,960 110,737,844 110,558,709 110,457,170 110,056,625 110,037,382 109,227,709 108,815,938 108,346,885 107,875,105 107,410,967 107,426,789 100,767,839 91,163,657 65,511,529 
      amortization of discounts and deferred debt issue costs
                                                  6,490,000 6,012,000 5,349,000 5,210,000 4,595,000 4,091,000 2,867,000    
      interest and other
                                                   2,070,000 1,573,000 1,894,000 2,069,000 3,123,000 816,000  340,000 603,000 
      extinguishment of debt
                                                          3,349,000  
      interest and other income
                                                         1,649,000   
      amortization of deferred debt issue costs
                                                         2,308,000 2,336,000 2,328,000 
      amortization of convertible debt discounts
                                                            
      net income attributable to common shareholders per share
                                                            
      basic
                                                         0.18 0.08 0.05 
      diluted
                                                         0.18 0.08 0.05 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 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 2017-09-30 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 2014-09-30 2014-06-30 2014-03-31 2013-09-30 2013-06-30 2013-03-31 2012-09-30 2012-06-30 2012-03-31 2011-09-30 2011-06-30 2011-03-31 
                                                             
        assets
                                                             
        cash and cash equivalents
      466,410,000 452,215,000 454,801,000 456,623,000 472,554,000 460,785,000 454,123,000 554,373,000 460,870,000 512,084,000 576,730,000 690,408,000 766,418,000 1,101,844,000 1,012,779,000 1,490,765,000 1,086,500,000 1,873,844,000 1,210,054,000 1,327,999,000 1,734,155,000 1,238,569,000 926,435,000 732,719,000 317,488,000 291,772,000 264,058,000 285,715,000 300,127,000 228,502,000 259,530,000 252,491,000 226,019,000 239,710,000 155,758,000 274,802,000 226,822,000 172,734,000 162,814,000 156,675,000 119,722,000 162,989,000 210,156,000 210,671,000 244,447,000 256,078,000 221,680,000 234,299,000 217,623,000 439,681,000 388,587,000 803,266,000 279,647,000 445,038,000 230,313,000 
        restricted cash
      3,540,000 3,542,000 4,201,000 3,990,000 3,550,000 4,565,000 1,533,000 1,552,000 3,622,000 3,650,000 3,705,000 11,129,000 13,599,000 15,124,000 21,069,000 21,291,000 21,792,000 19,824,000 22,706,000 24,194,000 23,612,000 23,568,000 15,555,000 20,662,000 20,573,000 44,651,000 24,044,000 12,527,000 22,871,000 20,417,000 21,528,000 19,133,000 19,411,000 22,239,000 18,330,000 16,000,000 17,062,000 24,390,000 16,490,000 16,528,000 10,700,000 8,533,000 16,979,000 8,198,000 14,386,000 76,741,000 85,516,000 77,975,000 110,558,000 111,784,000 113,009,000 112,377,000 74,819,000 68,862,000 62,064,000 
        flight equipment subject to operating leases
      35,880,458,000 36,374,329,000 35,667,581,000 34,875,183,000 34,168,919,000 33,853,006,000 32,643,461,000 32,273,883,000 31,787,241,000 30,961,069,000 30,623,894,000 30,924,948,000 29,466,888,000 28,656,269,000 27,969,301,000 26,552,246,000 27,101,808,000 26,111,027,000 25,306,684,000 24,331,511,000 23,729,742,000 22,671,435,000 22,067,957,000 21,976,429,000 21,286,154,000 21,601,147,000 20,306,921,000 18,668,410,000 17,985,324,000 17,309,576,000 16,962,768,000 15,544,868,000 14,397,998,000 14,386,474,000 14,280,318,000 13,597,530,000 13,365,123,000 13,096,222,000 12,550,836,000 12,026,798,000 11,533,922,000 11,082,068,000 10,443,320,000 9,727,770,000 9,083,568,000 8,439,676,000 7,791,520,000 7,462,993,000 6,981,975,000 6,158,762,000 5,881,694,000 4,933,285,000 3,433,308,000 2,876,962,000 2,179,130,000 
        less accumulated depreciation
      -6,826,828,000 -6,846,920,000 -6,535,795,000 -6,268,070,000 -5,998,453,000 -5,958,105,000 -5,854,095,000 -5,729,380,000 -5,556,033,000 -5,365,755,000 -5,108,155,000 -5,175,430,000 -4,928,503,000 -4,727,410,000 -4,501,559,000 -4,267,934,000 -4,202,804,000 -4,000,330,000 -3,775,369,000 -3,557,552,000 -3,349,392,000 -3,154,939,000 -2,959,884,000 -2,754,068,000 -2,581,817,000 -2,689,880,000 -2,554,720,000 -2,383,032,000 -2,278,214,000 -2,161,154,000 -2,098,524,000 -1,955,924,000 -1,725,061,000 -1,643,809,000 -1,657,268,000 -1,555,605,000 -1,490,007,000 -1,398,298,000 -1,311,215,000 -1,213,323,000 -1,114,720,000            -92,693,000 -62,036,000 -37,392,000 
        net investment in sales-type leases
      460,806,000 469,112,000 478,396,000                                                     
        deposits on flight equipment purchases
      1,052,141,000 1,100,160,000 1,116,672,000 771,895,000 761,438,000 1,050,268,000 1,131,899,000 1,088,363,000 1,203,068,000 1,173,382,000 1,105,299,000 1,220,332,000 1,344,973,000 1,493,041,000 1,618,687,000 1,626,874,000 1,508,892,000 1,597,597,000 1,656,358,000 1,767,489,000 1,800,119,000 1,634,152,000 1,790,935,000 1,576,508,000 1,564,188,000 1,600,959,000 1,694,765,000 1,871,088,000 1,809,260,000 1,573,729,000 1,555,407,000 1,567,690,000 1,551,750,000 1,440,449,000 1,331,693,000 1,290,676,000 1,228,726,000 1,132,782,000 1,079,690,000 1,071,035,000 1,084,075,000 1,024,945,000 1,147,637,000 1,142,962,000 1,176,718,000 1,180,171,000 966,674,000 861,403,000 776,472,000 544,817,000 469,874,000 440,995,000 406,487,000 319,102,000 268,728,000 
        flight equipment held for sale
      529,016,000 341,846,000 524,141,000                                                     
        other assets
      1,318,150,000 1,492,137,000 1,585,413,000 2,522,376,000 2,869,888,000 2,743,310,000 2,641,456,000 2,723,644,000 2,553,484,000 2,387,795,000 2,556,349,000 1,691,754,000 1,733,330,000 1,685,103,000 1,526,180,000 1,451,607,000 1,452,534,000 1,412,599,000 1,335,087,000 1,295,740,000 1,276,939,000 1,191,980,000 1,152,722,000 1,130,095,000 1,102,569,000 761,052,000 749,280,000 724,227,000 642,440,000 596,233,000 554,738,000 516,588,000 431,530,000 416,334,000 348,209,000 352,213,000 333,181,000 312,340,000 284,795,000 297,385,000 277,995,000 400,345,000 296,350,000 195,960,000 201,236,000 203,552,000 206,225,000 191,962,000 199,784,000 120,205,000 109,635,000 104,260,000 70,944,000 54,336,000 29,055,000 
        total assets
      32,883,693,000 33,386,421,000 33,295,410,000 32,361,997,000 32,277,896,000 32,153,829,000 31,018,377,000 30,912,435,000 30,452,252,000 29,672,225,000 29,757,822,000 29,363,141,000 28,396,705,000 28,223,971,000 27,646,457,000 26,874,849,000 26,968,722,000 27,014,561,000 25,755,520,000 25,189,381,000 25,215,175,000 23,604,765,000 22,993,720,000 22,682,345,000 21,709,155,000 21,609,701,000 20,484,348,000 19,178,935,000 18,481,808,000 17,567,303,000 17,255,447,000 15,944,846,000 14,901,647,000 14,861,397,000 14,477,040,000 13,975,616,000 13,680,907,000 13,340,170,000 12,783,410,000 12,355,098,000 11,911,694,000 11,666,206,000 11,145,238,000 10,545,563,000 10,052,116,000 9,553,305,000 8,808,301,000 8,439,671,000 7,955,675,000 7,165,478,000 6,808,337,000 6,286,628,000 4,247,017,000 3,753,499,000 2,788,658,000 
        liabilities and stockholders’ equity
                                                             
        accrued interest and other payables
      1,012,345,000 1,049,590,000 1,094,754,000 1,167,217,000 1,272,984,000 1,072,033,000 916,998,000 1,160,132,000 1,164,140,000 1,400,890,000 1,427,631,000 681,096,000 696,899,000 604,327,000 628,526,000 544,280,000 611,757,000 542,531,000 532,440,000 451,094,000 492,473,000 401,443,000 497,709,000 491,251,000 516,497,000 420,444,000 453,536,000 366,826,000 382,132,000 310,240,000 329,426,000 281,122,000 232,399,000 274,353,000 223,374,000 256,775,000 235,227,000 227,216,000 192,389,000 215,983,000 168,558,000 362,250,000 250,068,000 160,755,000 170,758,000 146,177,000 123,604,000 112,675,000 104,045,000 95,240,000 81,994,000 52,139,000 44,139,000 28,986,000 23,082,000 
        debt financing, net of discounts and issuance costs
      19,730,129,000 20,194,930,000 20,320,406,000 19,890,883,000 20,209,985,000 20,161,860,000 19,679,063,000 19,479,961,000 19,182,657,000 18,645,843,000 18,895,793,000 19,447,601,000 18,641,063,000 18,769,057,000 18,336,075,000 17,824,725,000 17,022,480,000 17,616,880,000 16,540,258,000 16,166,904,000 16,518,338,000 15,180,145,000 14,639,045,000 14,414,621,000 13,578,866,000 13,751,872,000 12,859,244,000 11,869,671,000 11,538,905,000 11,094,337,000 10,962,446,000 9,887,499,000 9,237,320,000 9,303,312,000 9,102,689,000 8,713,874,000 8,554,732,000 8,390,466,000 8,017,501,000 7,712,421,000 7,498,240,000 7,220,460,000 6,954,802,000             
        security deposits on flight equipment leases
      622,556,000 638,610,000 634,115,000                                                     
        maintenance reserves on flight equipment leases
      1,477,046,000 1,480,071,000 1,375,525,000                                                     
        rentals received in advance
      143,631,000 132,093,000 133,804,000 127,617,000 136,566,000 129,303,000 128,992,000 138,181,000 143,861,000 141,484,000 141,294,000 153,588,000 147,654,000 149,923,000 147,127,000 135,642,000 138,816,000 138,716,000 136,114,000 132,684,000 142,915,000 140,228,000 131,951,000 134,779,000 143,692,000 134,635,000 124,142,000 116,657,000 119,526,000 109,156,000 112,151,000 106,844,000 102,442,000 105,328,000 102,632,000 99,385,000 101,418,000 95,041,000 90,281,000 91,485,000 84,630,000 81,815,000 77,065,000 68,580,000 65,645,000 60,620,000 53,589,000 49,724,000 46,971,000 36,953,000 36,718,000 30,642,000 17,317,000 15,205,000 11,555,000 
        deferred tax liability
      1,425,230,000 1,549,996,000 1,512,575,000 1,412,193,000 1,320,397,000 1,357,832,000 1,331,971,000 1,308,221,000 1,281,837,000 1,061,943,000 1,029,685,000 999,379,000 970,797,000 936,526,000 908,653,000 880,383,000 1,013,270,000 980,775,000 954,989,000 934,642,000 916,404,000 850,869,000 817,981,000 782,368,000 749,495,000 749,504,000 711,788,000 680,567,000 643,767,000 611,748,000 580,273,000 548,435,000 823,540,000 768,980,000 714,907,000 667,060,000 615,012,000 563,817,000 513,630,000 461,967,000 418,592,000 376,055,000 334,001,000 294,062,000 260,218,000 226,575,000 164,049,000 137,739,000 114,418,000 71,265,000 51,083,000 35,371,000 6,809,000   
        total liabilities
      24,410,937,000 25,045,290,000 25,071,179,000 24,496,812,000 24,745,270,000 24,478,132,000 23,711,131,000 23,680,564,000 23,292,214,000 22,711,172,000 22,905,169,000 22,618,555,000 21,750,342,000 21,695,537,000 21,206,823,000 20,505,264,000 19,960,154,000 20,430,778,000 19,253,805,000 18,761,169,000 19,142,834,000 17,627,442,000 17,123,919,000 16,945,976,000 16,085,611,000 16,147,528,000 15,184,464,000 14,005,118,000 13,674,908,000 13,088,385,000 12,917,605,000 11,718,223,000 11,246,064,000 11,303,193,000 11,017,808,000 10,593,429,000 10,392,618,000 10,144,641,000 9,679,007,000 9,335,186,000 8,972,246,000 8,804,345,000 8,360,054,000 7,850,473,000 7,420,358,000 6,969,797,000 6,347,495,000 6,028,644,000 5,580,557,000 4,879,806,000 4,567,487,000 4,075,201,000 2,103,729,000 1,627,151,000 1,549,639,000 
        stockholders’ equity
                                                             
        preferred stock, 0.01 par value...
      9,000 9,000 9,000 9,000 9,000 109,000 106,000 106,000 106,000 106,000 106,000 106,000 106,000 106,000 106,000 106,000 106,000 103,000 103,000 103,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000 100,000                            
        class a common stock, 0.01 par value...
      1,120,000 1,118,000 1,118,000 1,118,000 1,114,000 1,114,000 1,114,000 1,114,000 1,110,000 1,110,000 1,110,000 1,110,000 1,109,000 1,109,000 1,109,000 1,113,000 1,140,000 1,140,000 1,141,000 1,141,000 1,139,000 1,138,000 1,138,000 1,136,000 1,134,000 1,127,000 1,117,000 1,111,000 1,110,000 1,041,000 1,041,000 1,040,000 1,032,000 1,012,000 1,012,000 1,010,000 1,010,000 1,010,000 1,010,000 1,010,000 1,010,000 1,010,000 1,010,000 1,010,000 1,010,000 1,009,000 991,000 991,000 991,000 991,000 991,000 984,000 984,000 984,000 636,000 
        class b non-voting common stock, 0.01 par value...
                                                    18,000 18,000 18,000 18,000 18,000 18,000 18,000 18,000 18,000 
        paid-in capital
      3,383,414,000 3,392,298,000 3,382,695,000 3,370,053,000 3,364,712,000 3,598,407,000 3,294,959,000 3,286,122,000 3,287,234,000 3,275,949,000 3,267,230,000 3,258,639,000 3,255,973,000 3,250,169,000 3,244,282,000 3,259,105,000 3,399,245,000 3,095,620,000 3,094,708,000 3,088,302,000 2,793,178,000 2,788,490,000 2,781,832,000 2,775,640,000 2,777,601,000 2,758,928,000 2,733,948,000 2,717,405,000 2,474,238,000 2,270,302,000 2,265,393,000 2,258,987,000 2,248,950,000 2,243,038,000 2,237,250,000 2,237,866,000 2,233,242,000 2,228,617,000 2,224,151,000 2,227,376,000 2,222,682,000 2,218,034,000 2,213,370,000 2,204,543,000 2,200,572,000 2,211,302,000 2,202,731,000 2,198,986,000 2,203,534,000 2,191,361,000 2,183,550,000 2,182,306,000 2,165,856,000 2,167,187,000 1,287,229,000 
        retained earnings
      5,092,929,000 4,947,666,000 4,836,880,000 4,487,382,000 4,147,218,000 4,079,173,000 4,010,916,000 3,943,867,000 3,869,813,000 3,682,503,000 3,582,683,000 3,482,912,000 3,386,820,000 3,274,113,000 3,194,672,000 3,109,331,000 3,609,885,000 3,488,655,000 3,406,912,000 3,339,588,000 3,277,599,000 3,188,566,000 3,089,082,000 2,962,368,000 2,846,106,000 2,702,018,000 2,564,719,000 2,455,201,000 2,331,552,000 2,207,575,000 2,071,408,000 1,966,596,000 1,405,601,000 1,314,154,000 1,220,970,000 1,143,311,000 1,054,037,000 965,902,000 879,242,000 791,526,000 715,756,000 642,817,000 570,804,000 489,537,000 430,176,000 371,197,000 257,066,000 211,032,000 170,575,000 93,302,000 56,291,000 28,119,000    
        accumulated other comprehensive income
      -4,716,000 40,000 3,529,000 6,623,000 19,573,000 -3,106,000 151,000 662,000 1,775,000 1,385,000 1,524,000 1,819,000 2,355,000    -1,808,000 -1,735,000 -1,149,000 -922,000 325,000                                   
        total stockholders’ equity
      8,472,756,000 8,341,131,000                                                      
        total liabilities and stockholders’ equity
      32,883,693,000 33,386,421,000                                                      
        liabilities and shareholders’ equity
                                                             
        shareholders’ equity
                                                             
        total shareholders’ equity
        8,224,231,000 7,865,185,000 7,532,626,000 7,675,697,000 7,307,246,000 7,231,871,000 7,160,038,000 6,961,053,000 6,852,653,000 6,744,586,000 6,646,363,000 6,528,434,000 6,439,634,000 6,369,585,000 7,008,568,000 6,583,783,000 6,501,715,000 6,428,212,000 6,072,341,000 5,977,323,000 5,869,801,000 5,736,369,000 5,623,544,000 5,462,173,000 5,299,884,000 5,173,817,000 4,806,900,000 4,478,918,000 4,337,842,000 4,226,623,000 3,655,583,000 3,558,204,000 3,459,232,000 3,382,187,000 3,288,289,000 3,195,529,000 3,104,403,000 3,019,912,000 2,939,448,000 2,861,861,000 2,785,184,000 2,695,090,000 2,631,758,000 2,583,508,000 2,460,806,000 2,411,027,000 2,375,118,000 2,285,672,000 2,240,850,000 2,211,427,000 2,143,288,000 2,126,348,000 1,239,019,000 
        total liabilities and shareholders’ equity
        33,295,410,000 32,361,997,000 32,277,896,000 32,153,829,000 31,018,377,000 30,912,435,000 30,452,252,000 29,672,225,000 29,757,822,000 29,363,141,000 28,396,705,000 28,223,971,000 27,646,457,000 26,874,849,000 26,968,722,000 27,014,561,000 25,755,520,000 25,189,381,000 25,215,175,000 23,604,765,000 22,993,720,000 22,682,345,000 21,709,155,000 21,609,701,000 20,484,348,000 19,178,935,000 18,481,808,000 17,567,303,000 17,255,447,000 15,944,846,000 14,901,647,000 14,861,397,000 14,477,040,000 13,975,616,000 13,680,907,000 13,340,170,000 12,783,410,000 12,355,098,000 11,911,694,000 11,666,206,000 11,145,238,000 10,545,563,000 10,052,116,000 9,553,305,000 8,808,301,000 8,439,671,000 7,955,675,000 7,165,478,000 6,808,337,000 6,286,628,000 4,247,017,000 3,753,499,000 2,788,658,000 
        security deposits and maintenance reserves on flight equipment leases
         1,898,902,000 1,805,338,000 1,757,104,000 1,654,107,000 1,594,069,000 1,519,719,000 1,461,012,000 1,410,766,000 1,336,891,000 1,293,929,000 1,235,704,000 1,186,442,000 1,120,234,000 1,173,831,000 1,151,876,000 1,090,004,000 1,075,845,000 1,072,704,000 1,054,757,000 1,037,233,000 1,122,957,000 1,097,061,000 1,091,073,000 1,035,754,000 971,397,000 990,578,000 962,904,000 933,309,000 894,323,000 850,363,000 851,220,000 874,206,000 856,335,000 886,229,000 868,101,000 865,206,000 853,330,000 802,226,000 763,765,000 744,118,000 680,441,000 639,560,000 593,329,000 539,975,000 502,164,000 453,922,000 380,272,000 350,906,000 299,417,000 232,816,000 199,390,000 140,182,000 
        accumulated other comprehensive loss
                   2,937,000 -535,000 -70,000      -971,000 -2,351,000 -2,875,000 -1,397,000                               
        deferred debt issuance costs—less accumulated amortization of 67,024 and 51,578 as of september 30, 2014 and december 31, 2013, respectively
                                                 89,161,000            
        debt financing, net of discounts
                                                 6,646,635,000 6,284,177,000  5,466,278,000         
        deferred debt issuance costs—less accumulated amortization of 62,458 and 51,578 as of june 30, 2014 and december 31, 2013, respectively
                                                  85,988,000           
        deferred debt issue costs—less accumulated amortization of 56,265 and 51,578 as of march 31, 2014 and december 31, 2013, respectively
                                                   90,162,000          
        debt financing
                                                   5,943,096,000  5,226,342,000 4,861,201,000 4,296,076,000 4,046,786,000 3,657,632,000 1,802,648,000 1,383,570,000 1,374,820,000 
        deferred debt issue costs—less accumulated amortization of 46,489 and 32,288 as of september 30, 2013 and december 31, 2012, respectively
                                                    88,118,000         
        deferred debt issue costs—less accumulated amortization of 41,357 and 32,288 as of june 30, 2013 and december 31, 2012, respectively
                                                     90,720,000        
        deferred debt issue costs—less accumulated amortization of 36,891 and 32,288 as of march 31, 2013 and december 31, 2012, respectively
                                                      80,161,000       
        deferred debt issue costs—less accumulated amortization of 27,592 and 17,500 as of september 30, 2012 and december 31, 2011, respectively
                                                       76,603,000      
        deferred debt issue costs—less accumulated amortization of 23,389 and 17,500 as of june 30, 2012 and december 31, 2011, respectively
                                                        73,980,000     
        deferred debt issue costs—less accumulated amortization of 20,050 and 17,500 as of march 31, 2012 and december 31, 2011, respectively
                                                         68,350,000    
        deferred debt issue costs—less accumulated amortization of 11,726 and 4,754 as of september 30, 2011 and december 31, 2010, respectively
                                                          46,439,000   
        notes receivable
                                                          28,066,000   
        deferred tax asset
                                                             
        accumulated deficit
                                                          -23,570,000 -41,841,000 -48,864,000 
        deferred debt issue costs — less accumulated amortization of 9,418 and 4,754 as of june 30, 2011 and december 31, 2010, respectively
                                                           47,974,000  
        deferred taxes
                                                           3,261,000 7,127,000 
        deferred debt issue costs — less accumulated amortization of 7,082 and 4,754 as of march 31, 2011 and december 31, 2010, respectively
                                                            49,633,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 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 2017-09-30 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 2014-09-30 2014-06-30 2014-03-31 2013-09-30 2013-06-30 2013-03-31 2012-09-30 2012-06-30 2012-03-31 
                                                            
          operating activities
                                                            
          net income
        180,932,000 146,455,000 385,168,000 375,832,000 112,921,000 103,971,000 102,946,000 107,866,000 221,051,000 132,450,000 132,401,000 128,720,000 145,310,000 110,382,000 116,277,000 -468,993,000 151,781,000 107,337,000 93,422,000 84,092,000 111,093,000 120,395,000 147,625,000 137,151,000 164,935,000 155,787,000 128,305,000 138,094,000 138,399,000 146,574,000 115,211,000 110,651,000 99,188,000 100,925,000 84,937,000 96,988,000 93,276,000 91,803,000 92,858,000 80,899,000 77,042,000 76,118,000 19,332,000 62,433,000 62,037,000 61,397,000 48,578,000 42,990,000 39,996,000 37,011,000 28,172,000 26,927,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                            
          depreciation of flight equipment
        309,099,000 311,126,000 304,288,000 299,019,000 294,387,000 290,132,000 281,982,000 277,260,000 273,113,000 267,393,000 268,586,000 259,680,000 252,860,000 242,504,000 235,283,000 235,308,000 230,820,000 224,960,000 217,817,000 208,965,000 202,722,000 195,054,000 194,020,000 188,895,000 187,862,000 183,788,000 171,689,000 159,471,000 153,548,000 149,703,000 142,600,000 136,134,000 127,553,000 126,490,000 123,909,000 118,720,000 113,251,000 112,136,000 108,575,000 106,300,000 102,046,000 98,402,000 91,012,000 86,119,000 81,475,000 78,142,000 71,811,000 68,783,000 63,863,000 57,932,000 52,537,000 44,336,000 
          recoveries of russian fleet write-off
        -60,469,000 -344,002,000 -331,938,000                                                 
          stock-based compensation expense
        9,038,000 9,602,000 12,674,000 17,616,000 8,856,000 7,919,000 8,837,000 8,275,000 11,285,000 8,719,000 8,715,000 5,896,000 5,804,000 5,764,000                                       
          deferred taxes
        -83,842,000 38,294,000 101,224,000 95,322,000 -14,303,000 26,749,000 23,888,000 26,687,000 41,948,000 32,296,000 30,388,000 28,726,000 34,543,000 26,928,000 28,397,000 -133,360,000 32,515,000 25,946,000 20,408,000 18,577,000 65,182,000 32,512,000 35,471,000 33,302,000 -5,517,000 28,485,000 32,256,000 36,825,000 33,629,000 32,808,000 32,198,000 30,668,000 54,931,000 54,944,000 48,941,000 52,415,000 51,297,000 50,468,000 51,133,000 43,375,000 42,537,000 42,054,000 10,642,000 33,844,000 33,643,000 33,312,000 26,310,000 23,321,000 21,676,000 20,182,000 15,712,000 14,679,000 
          amortization of prepaid lease costs
        24,418,000 23,684,000 22,740,000 22,704,000 24,529,000 26,692,000 26,243,000 24,336,000 20,427,000 18,898,000 17,741,000 18,323,000 13,115,000 11,379,000 10,162,000 13,193,000 12,944,000 11,336,000 11,477,000 10,790,000 11,082,000 10,932,000 10,756,000 10,454,000 8,659,000 9,339,000 7,671,000 7,180,000 5,866,000 4,103,000 7,590,000 7,020,000                     
          amortization of discounts and debt issuance costs
        12,707,000 12,880,000 13,217,000 13,995,000 14,051,000 14,371,000 13,293,000 13,108,000 13,639,000 13,695,000 13,646,000 13,073,000 13,482,000 13,162,000                          7,725,000 7,419,000 7,681,000 7,682,000          
          gain on aircraft sales, trading and other activity
        -135,977,000 -35,944,000 -20,326,000 -68,838,000 -79,448,000 -51,040,000 -46,632,000 -51,346,000 -79,771,000 -60,336,000 -45,188,000 -41,650,000 -27,487,000 -13,863,000 -4,962,000 -66,791,000 -44,925,000 -3,788,000   1,438,000 -2,639,000 -19,088,000 -5,554,000 -36,871,000 -30,199,000 2,243,000 -17,167,000 -9,973,000 -22,284,000 -1,420,000 -765,000 -6,625,000   -13,807,000 -9,974,000 -16,734,000 -20,979,000 -4,837,000             
          changes in operating assets and liabilities:
                                                            
          other assets
        59,579,000 24,855,000 8,080,000 7,817,000 16,030,000 21,868,000 -8,548,000 -16,829,000 7,814,000 33,468,000 33,935,000 -26,907,000 10,496,000 -95,424,000 -73,125,000 -74,560,000 -27,409,000 -48,899,000 -62,836,000 -37,247,000 -93,354,000 -65,029,000 -177,364,000 -88,411,000 -11,562,000 -22,298,000 -33,654,000 -93,788,000 -11,695,000 -15,215,000 -21,708,000 -25,605,000 6,203,000 -62,664,000 -24,048,000 -28,809,000 -26,672,000 -7,079,000 9,446,000 -14,222,000 -2,740,000 1,119,000 20,005,000 -2,790,000 3,010,000 12,482,000 -638,000 1,816,000 6,739,000    
          accrued interest and other payables
        26,584,000 -10,176,000 -15,792,000 -34,234,000 45,678,000 20,939,000 20,993,000 -12,438,000 19,713,000 -45,366,000 84,479,000 -45,493,000 8,609,000 -34,944,000 90,658,000 -64,068,000 70,395,000 -12,034,000 64,665,000 -59,914,000 61,235,000 -67,789,000 31,602,000 -47,858,000 88,181,000 -34,062,000 64,429,000 20,789,000 51,065,000 -23,627,000 48,650,000 -24,913,000 -37,008,000 61,789,000 -30,549,000 22,214,000 16,471,000 29,781,000 -22,483,000 22,492,000 -8,188,000   9,201,000 13,412,000 347,000 25,217,000 -5,586,000 11,048,000 16,924,000 23,632,000 7,529,000 
          rentals received in advance
        11,538,000 -1,711,000 6,340,000 -8,949,000 7,263,000 311,000 -9,189,000 -5,589,000 2,377,000 190,000 -12,294,000 8,122,000 -2,269,000 3,836,000 11,485,000 938,000 100,000 2,602,000 3,430,000 -10,231,000 -838,000 8,277,000 -2,828,000 -8,913,000 9,057,000 10,493,000 7,485,000 -2,869,000 10,370,000 -2,996,000 5,308,000 2,023,000 -2,886,000 2,696,000 3,247,000 -2,033,000 6,377,000 4,760,000 -1,204,000 6,855,000 2,815,000 4,750,000 1,188,000 2,935,000   3,865,000 2,753,000 5,834,000 235,000 6,076,000 4,625,000 
          net cash from operating activities
        414,076,000 458,596,000 473,611,000 388,346,000 429,964,000 461,912,000 413,813,000 371,330,000 464,574,000 401,407,000 532,409,000 348,490,000 423,587,000 269,724,000 434,145,000 254,694,000 447,448,000 326,723,000 368,375,000 234,290,000 372,597,000 249,247,000 234,319,000 234,023,000 420,916,000 315,308,000 394,999,000 261,249,000 383,997,000 282,113,000 341,324,000 246,667,000 253,673,000 278,299,000 219,664,000 258,599,000 256,709,000 277,024,000 227,746,000 253,237,000   209,501,000 193,707,000 197,226,000 180,240,000 184,906,000 146,739,000 161,141,000 132,276,000 138,698,000 101,522,000 
          capital expenditures
          
          free cash flows
        414,076,000 458,596,000 473,611,000 388,346,000 429,964,000 461,912,000 413,813,000 371,330,000 464,574,000 401,407,000 532,409,000 348,490,000 423,587,000 269,724,000 434,145,000 254,694,000 447,448,000 326,723,000 368,375,000 234,290,000 372,597,000 249,247,000 234,319,000 234,023,000 420,916,000 315,308,000 394,999,000 261,249,000 383,997,000 282,113,000 341,324,000 246,667,000 253,673,000 278,299,000 219,664,000 258,599,000 256,709,000 277,024,000 227,746,000 253,237,000   209,501,000 193,707,000 197,226,000 180,240,000 184,906,000 146,739,000 161,141,000 132,276,000 138,698,000 101,522,000 
          investing activities
                                                            
          acquisition of flight equipment
        -644,148,000 -500,212,000 -618,168,000 -585,725,000                                                 
          payments for deposits on flight equipment purchases
        -178,779,000 -130,167,000 -556,947,000 -179,774,000 15,445,000 -282,575,000   -184,221,000 -114,406,000 -130,825,000 -4,000,000 -89,846,000 -82,781,000 -172,700,000 -172,943,000 -192,982,000 -100,918,000 -99,556,000 -103,382,000 -304,625,000 -182,026,000 -224,439,000 -174,589,000 -156,477,000 -279,329,000 -143,369,000 -305,284,000 -427,876,000 -187,785,000 -296,689,000 -63,751,000 -179,715,000 -185,079,000 -200,549,000 -226,354,000 -204,016,000 -236,813,000 -200,908,000 -114,372,000             
          proceeds from aircraft sales, trading and other activity
        980,284,000 126,749,000 68,313,000 407,624,000 640,666,000 453,569,000 230,075,000 200,401,000 116,394,000 306,944,000 1,240,085,000 21,391,000 193,381,000 40,877,000 416,000 750,000 135,845,000   1,000 16,522,000 69,539,000 65,070,000 568,963,000 176,618,000 2,500,000 247,264,000 152,305,000 238,817,000   162,512,000 336,444,000 96,840,000 338,830,000 142,008,000 315,378,000 191,824,000 61,289,000 173,578,000 415,457,000 102,423,000   61,854,000       
          proceeds from settlement of insurance claims
        115,844,000                                                   
          acquisition of aircraft furnishings, equipment and other assets
        -71,945,000 -46,319,000 -46,548,000 -72,871,000 -103,205,000 -92,098,000 -67,406,000 -124,546,000 -99,978,000 -79,827,000 -71,602,000 -53,939,000 -53,738,000 -56,242,000 -53,681,000 -52,974,000 -51,295,000 -76,056,000 -60,380,000 -41,923,000 -18,127,000 -54,756,000 -36,534,000 -51,576,000 -54,411,000 -60,921,000 -64,764,000 -111,162,000  -63,324,000 -86,155,000 -54,970,000 -49,835,000 -33,410,000 -51,464,000                  
          net cash from investing activities
        85,412,000 -434,105,000 -870,168,000 -102,200,000 -358,135,000 -1,271,375,000 -776,469,000 -630,324,000 -1,109,697,000 -253,187,000 -142,123,000 -1,273,376,000 -688,609,000 -695,153,000 -1,399,873,000 -620,569,000 -944,404,000 -749,003,000 -851,689,000 -549,684,000 -1,176,892,000 -447,636,000 -230,236,000 -672,327,000 -283,772,000 -1,223,179,000 -1,442,544,000 -894,482,000 -997,119,000 -484,012,000 -1,422,449,000 -481,240,000 -228,988,000 -427,158,000 -752,427,000 -410,932,000 -408,803,000 -665,417,000 -520,364,000 -474,226,000             
          financing activities
                                                            
          net proceeds from preferred stock issuance
            -520,000             -21,000 295,449,000      9,000 -111,000 242,241,000                         
          redemption of preferred stock
                                                            
          cash dividends paid on class a common stock
        -24,588,000 -24,589,000 -24,587,000 -24,503,000 -23,389,000 -23,389,000 -23,387,000 -23,316,000 -22,205,000 -22,205,000 -22,204,000 -22,178,000 -20,515,000 -20,515,000 -21,135,000 -21,088,000 -18,264,000 -18,262,000 -18,259,000 -18,216,000 -17,067,000 -17,067,000 -17,046,000 -17,003,000 -14,643,000 -14,517,000                           
          cash dividends paid on preferred stock
        -11,081,000 -11,081,000 -11,082,000 -11,081,000 -12,504,000 -12,325,000 -12,508,000 -10,425,000 -10,425,000 -10,425,000 -10,425,000 -10,425,000 -10,425,000 -10,425,000 -10,425,000 -10,425,000                                     
          tax withholdings on stock-based compensation
        -17,919,000 -31,000 -12,271,000 -3,000 -9,384,000 -125,000 -3,229,000 124,000 -932,000 -8,095,000 1,000 -273,000 -7,169,000 -7,000 -198,000 -8,413,000 -183,000 -502,000 -3,587,000 -407,000 -7,141,000 -348,000 -5,252,000 -13,000 -5,877,000             
          net change in unsecured revolving facilities
        -300,000,000 200,000,000 200,000,000 30,000,000        653,000,000 -550,000,000 1,050,000,000                   -41,000,000 771,000,000 -60,000,000 -252,000,000 -640,000,000 59,000,000 879,000,000 226,000,000 -201,000,000      289,000,000 505,000,000 25,000,000    
          net change in commercial paper balance
        -146,600,000 572,000,000 47,500,000 888,500,000                                                 
          proceeds from debt financings
        250,000,000 233,124,000 199,950,000 1,659,989,000 517,298,000 1,596,196,000 1,428,212,000 1,209,759,000 245,886,000 185,321,000 1,352,766,000 1,162,381,000 1,497,615,000 1,081,741,000 1,782,444,000 791,645,000 1,585,097,000 688,604,000 936,188,000 1,449,873,000 431,810,000 1,103,781,000 1,036,358,000 995,779,000 175,000,000 1,620,220,000 507,900,000 1,230,765,000 5,000,000 608,718,000 487,955,000 495,965,000 835,247,000 590,754,000 100,000,000 15,000,000 505,250,000 20,000,000 692,134,000 1,115,760,000 20,000,000 520,635,000 -37,978,000 102,819,000 551,030,000 456,201,000 120,239,000 1,465,949,000 
          payments in reduction of debt financings
        -41,534,000 -1,141,482,000 -155,479,000 -1,477,864,000 -428,424,000 -1,277,755,000 -26,972,000 -1,476,877,000 -26,820,000 -1,278,638,000 -77,909,000 -1,209,971,000 -758,752,000 -608,459,000 -9,840,000 -708,847,000 -608,830,000 -8,811,000 -1,419,264,000 -1,157,577,000 -270,289,000 -162,191,000 -202,281,000 -1,093,268,000 -30,532,000 -27,114,000 -24,625,000 -896,098,000 -139,299,000 -536,500,000 -57,262,000 -537,444,000 -36,750,000 -1,183,092,000 -46,598,000 -93,351,000 -38,156,000 -281,518,000 -680,885,000 -34,512,000             
          debt issuance costs
        376,000 -551,000 -3,105,000 -1,385,000 349,000 -3,092,000 -5,840,000 -1,694,000 -2,462,000 -1,441,000 -5,990,000 -3,159,000 -972,000 -242,000 -2,873,000 -2,740,000 -557,000 -1,751,000 -6,602,000 -1,335,000 -2,410,000 -1,473,000 -1,317,000 -2,902,000 -1,837,000 -2,116,000 -4,872,000 -2,455,000 -2,148,000 -4,026,000 -2,678,000 -2,623,000 -200,000 -2,433,000 -1,531,000 -680,000 -1,205,000 -2,959,000 -198,000 -330,000             
          security deposits and maintenance reserve receipts
        121,940,000 140,841,000 112,451,000 114,436,000 123,671,000 129,974,000 104,913,000 93,464,000 129,174,000 80,700,000 95,094,000 93,377,000 108,587,000 109,874,000 73,036,000 125,727,000 62,366,000 44,866,000 46,011,000 21,278,000 23,259,000 18,485,000 22,769,000 50,083,000 79,254,000 88,281,000 69,540,000 73,145,000 68,770,000 64,747,000 60,253,000 48,754,000 63,113,000 54,601,000 56,165,000 65,603,000 59,890,000 66,341,000 26,920,000 68,062,000 59,382,000 53,710,000 37,226,000 50,655,000 43,581,000 34,394,000 45,519,000 49,759,000 40,333,000 30,721,000 51,544,000 26,703,000 
          security deposits and maintenance reserve disbursements
        -65,889,000 -12,874,000 -3,845,000 -7,419,000 -14,244,000 -3,086,000 -7,015,000 -2,553,000 -5,140,000 -4,798,000 -2,150,000 -3,775,000 -2,233,000 -11,808,000 -7,955,000 -4,864,000 -9,584,000 -1,484,000 -12,318,000 -11,852,000 -16,834,000 -4,001,000 -37,247,000 -17,927,000 -18,585,000 -17,373,000 -4,965,000 -11,567,000 -6,945,000 -8,343,000 -27,756,000 -16,665,000 -24,176,000 -4,790,000 -7,840,000 -11,164,000 -11,780,000 -20,250,000 -15,112,000 -6,367,000             
          net cash from financing activities
        -485,295,000 -27,736,000 394,946,000 -301,637,000 -61,075,000 819,157,000 262,387,000 350,427,000 593,881,000 -212,921,000 -511,388,000 846,406,000 -71,929,000 508,549,000   -288,420,000 1,083,188,000   1,299,925,000 518,536,000 184,526,000 853,624,000 -135,506,000 956,192,000 1,037,405,000 608,477,000 687,201,000 169,760,000 1,090,559,000 197,915,000 -38,376,000 232,811,000 413,719,000 200,313,000 206,182,000 398,313,000 298,757,000 257,942,000   331,422,000 384,827,000 440,084,000 107,004,000 252,309,000 428,506,000 485,561,000 264,618,000 411,682,000 1,017,768,000 
          net increase in cash
        14,193,000   -15,491,000 10,754,000   91,433,000 -51,242,000       403,764,000 -785,376,000 660,908,000 -119,433,000 -405,574,000 495,630,000 320,147,000 188,609,000 415,320,000 1,638,000        -13,691,000 83,952,000 -119,044,000               51,094,000 -414,679,000 521,461,000 
          cash, cash equivalents and restricted cash at beginning of period
        476,104,000 464,492,000 780,017,000 1,108,292,000 1,757,767,000 338,061,000 322,998,000 308,282,000                     
          cash, cash equivalents and restricted cash at end of period
        14,193,000 -3,245,000 -1,611,000 460,613,000 10,754,000 9,694,000 -100,269,000 555,925,000 -51,242,000 -64,701,000 -121,102,000 701,537,000 -336,951,000 83,120,000 -478,208,000 1,512,056,000 -785,376,000 660,908,000 -119,433,000 1,352,193,000 495,630,000 320,147,000 188,609,000 753,381,000 1,638,000 48,321,000 -10,140,000 298,242,000 74,079,000 -32,139,000 9,434,000 271,624,000                     
          net decrease in cash
                  -121,102,000 -78,480,000 -336,951,000 83,120,000             -10,140,000 -24,756,000  -32,139,000 9,434,000 -36,658,000                     
          proceeds from settlement of insurance claim
           328,546,000                                                 
          write-off of russian fleet, net of
                                                            
          common shares repurchased
                    -52,356,000 -97,644,000                                    
          net change in unsecured revolving facility
            -1,116,000,000 1,196,000,000 -1,363,000,000 353,000,000 -678,000,000 778,000,000            -515,000,000 495,000,000  -191,000,000 -26,000,000 225,000,000  -956,000,000 619,000,000 -510,000,000                     
          acquisition of flight equipment under operating lease
             -1,350,271,000 -759,925,000 -706,179,000 -1,006,606,000 -365,898,000 -1,179,781,000 -1,236,828,000 -738,406,000 -597,007,000 -1,173,908,000 -395,402,000 -835,972,000 -572,029,000 -693,795,000 -404,379,000 -854,141,000 -227,376,000 -38,802,000 -511,232,000 -641,847,000 -1,059,547,000 -1,236,911,000 -725,300,000 -638,488,000 -471,720,000 -1,039,855,000 -362,519,000 -161,950,000 -545,113,000 -597,254,000 -477,414,000 -298,549,000 -679,695,000 -458,435,000 -390,904,000             
          supplemental disclosure of cash flow information
                                                            
          cash paid during the period for interest, including capitalized interest of 32,859 and 31,708 at september 30, 2024 and 2023, respectively
                                                            
          cash paid for income taxes
                 677,000 2,002,000 3,571,000 554,000 2,251,000 111,000 3,446,000 2,995,000 248,000 1,390,000 1,101,000 37,000 27,324,000 223,000 2,149,000 7,142,000 6,224,000 3,266,000 25,000                         
          supplemental disclosure of noncash activities
                                                            
          buyer furnished equipment, capitalized interest and deposits on flight equipment purchases applied to acquisition of flight equipment and other assets
                                                            
          flight equipment subject to operating leases reclassified to flight equipment held for sale
                                                            
          flight equipment subject to operating leases reclassified to investment in sales-type lease
                                                            
          cash dividends declared on class a common stock, not yet paid
                      21,136,000  4,000 18,259,000    17,046,000  128,000                           
          issuance of common stock upon exercise of options
                         -1,000 -2,000 1,441,000  30,000 2,501,000 2,025,000  20,587,000 10,796,000 440,000            20,000            
          write-off of russian fleet
                     802,352,000                                     
          cash paid during the period for interest, including capitalized interest of 31,708 and 29,335 at september 30, 2023 and 2022, respectively
                                                            
          cash paid during the period for interest, including capitalized interest of 21,336 and 19,127 at june 30, 2023 and 2022, respectively
                                                            
          buyer furnished equipment, capitalized interest and deposits on flight equipment purchases applied to acquisition of flight equipment
                  324,320,000 227,738,000 318,480,000 252,227,000 258,003,000 85,791,000  213,586,000 272,868,000 176,618,000  374,335,000 10,305,000 191,318,000  450,141,000 412,470,000 298,962,000                         
          cash paid during the period for interest, including capitalized interest of 10,658 and 9,365 at march 31, 2023 and 2022, respectively
                   197,935,000                                         
          cash dividends declared on common stock, not yet paid
                   22,203,000 1,663,000         2,000                               
          write-off of russian fleet, net of recoveries
                                                            
          cash paid during the period for interest, including capitalized interest of 39,655, 49,070 and 53,163 at december 31, 2022, 2021 and 2020, respectively
                                                            
          cash paid during the period for interest, including capitalized interest of 29,335 and 38,265 at september 30, 2022 and 2021, respectively
                                                            
          cash paid during the period for interest, including capitalized interest of 19,127 and 26,116 at june 30, 2022 and 2021, respectively
                                                            
          cash dividends declared, not yet paid
                                   14,445,000 4,014,000 8,000 2,000 10,397,000 1,000 5,000 7,736,000 2,572,000 5,142,000 1,026,000 2,000 4,101,000 13,000 3,059,000 11,000      
          stock-based compensation
                       -2,523,000 7,716,000 6,692,000 6,700,000 5,408,000 2,672,000 6,635,000 3,892,000 4,429,000 5,811,000 4,897,000 5,863,000 4,174,000 4,313,000 4,848,000 4,885,000 3,432,000 5,358,000 5,304,000 3,773,000 4,599,000 4,602,000 4,501,000 3,239,000 4,650,000 4,648,000 4,578,000 3,146,000 3,882,000 4,940,000 3,400,000 3,751,000 7,313,000 6,775,000 7,124,000 9,207,000 8,217,000 
          amortization of debt discounts and issuance costs
                       13,198,000  12,571,000 12,513,000 12,025,000  10,899,000 10,233,000 10,528,000  9,078,000 8,712,000 8,540,000  8,199,000 8,010,000 8,022,000 6,959,000 6,437,000 8,992,000  8,081,000 7,388,000 7,161,000              
          net cash provided / (used) by financing activities
                       769,639,000                                     
          cash paid during the period for interest, including capitalized interest of 9,365 and 13,543 at march 31, 2022 and 2021, respectively
                       179,026,000                                     
          issuance of common stock upon exercise of options and warrants
                                    638,000 60,000 1,500,000 2,628,000 550,000 800,000 864,000                  
          issuance of preferred stock
                                                            
          preferred dividends paid
                        -9,463,000 -7,331,000 -7,835,000 -3,844,000 -3,844,000 -3,844,000 -3,843,000 -3,844,000 -3,843,000 -3,844,000                           
          cash paid during the period for interest, including capitalized interest of 49,070, 53,163 and 59,358 at december 31, 2021, 2020 and 2019, respectively
                                                            
          buyer furnished equipment, capitalized interest, deposits on flight equipment purchases and seller financing applied to acquisition of flight equipment and other assets applied to payments for deposits on flight equipment purchases
                                    248,852,000 212,175,000 371,371,000 79,677,000 85,187,000 92,227,000 220,610,000 231,411,000 116,426,000 235,796,000 290,195,000 177,853,000 102,488,000 424,852,000 239,276,000          
          cash paid during the period for interest, including capitalized interest of 38,265 and 39,960 at september 30, 2021 and 2020, respectively
                                                            
          cash paid during the period for interest, including capitalized interest of 26,116 and 26,185 at june 30, 2021 and 2020, respectively
                                                            
          loss on aircraft sales, trading and other activity
                           1,825,000               462,000                  
          net cash (used)/provided by financing activities
                           -90,180,000                                 
          cash paid during the period for interest, including capitalized interest of 13,543 and 13,261 at march 31, 2021 and 2020, respectively
                           177,685,000                                 
          cash paid during the period for interest, including capitalized interest of 53,163, 59,358 and 52,817 at december 31, 2020, 2019 and 2018, respectively
                                                            
          cash paid during the period for interest, including capitalized interest of 39,960 and 46,314 at september 30, 2020 and 2019, respectively
                                                            
          cash paid during the period for interest, including capitalized interest of 26,185 and 31,602 at june 30, 2020 and 2019, respectively
                                                            
          cash paid during the period for interest, including capitalized interest of 13,261 and 16,226 at march 31, 2020 and 2019, respectively
                               141,060,000                             
          cash paid during the period for interest, including capitalized interest of 59,358, 52,817 and 46,049 at december 31, 2019, 2018 and 2017, respectively
                                                            
          cash paid during the period for interest, including capitalized interest of 46,314 and 38,947 at september 30, 2019 and 2018, respectively
                                                            
          cash paid during the period for interest, including capitalized interest of 31,602 and 25,692 at june 30, 2019 and 2018, respectively
                                                            
          cash dividends paid
                                   -14,421,000 -10,408,000 -10,398,000 -10,398,000 -10,359,000 -7,741,000 -7,736,000 -7,714,000 -5,142,000 -5,142,000 -5,142,000 -5,129,000 -4,103,000             
          cash paid during the period for interest, including capitalized interest of 16,226 and 12,816 at march 31, 2019 and 2018, respectively
                                   137,481,000                         
          acquisition of furnishings, equipment and other assets
                                           -45,994,000 -48,246,000 -64,287,000 -52,845,000 -30,239,000             
          cash paid during the period for interest, including capitalized interest of 52,817, 46,049 and 40,883 at december 31, 2018, 2017 and 2016, respectively
                                                            
          cash paid during the period for interest, including capitalized interest of 38,947 and 33,618 at september 30, 2018 and 2017, respectively
                                                            
          cash paid during the period for interest, including capitalized interest of 25,692 and 21,931 at june 30, 2018 and 2017, respectively
                                                            
          cash paid during the period for interest, including capitalized interest of 12,816 and 11,402 at march 31, 2018 and 2017, respectively
                                       95,466,000                     
          net change in restricted cash
                                        2,828,000 -3,909,000 -2,330,000 1,062,000 7,328,000 -7,900,000 38,000 -5,828,000             
          cash and cash equivalents at beginning of period
                                        274,802,000 156,675,000 282,819,000 270,173,000 230,089,000 281,805,000 
          cash and cash equivalents at end of period
                                        -13,691,000 83,952,000 155,758,000 47,980,000 54,088,000 9,920,000 162,814,000 36,953,000 -43,267,000 -47,167,000 210,156,000 -33,776,000 -11,631,000 256,078,000 -12,619,000 16,676,000 217,623,000 51,094,000 -414,679,000 803,266,000 
          cash paid during the period for interest, including capitalized interest of 33,618 and 30,137 at september 30, 2017 and 2016, respectively
                                                            
          cash paid during the period for interest, including capitalized interest of 21,931 and 19,521 at june 30, 2017 and 2016, respectively
                                                            
          cash paid during the period for interest, including capitalized interest of 11,402 and 9,470 at march 31, 2017 and 2016, respectively
                                          90,059,000                  
          tax benefits from stock-based compensation arrangements
                                                            
          cash paid during the period for interest, including capitalized interest of 40,883, 40,118 and 42,775 at december 31, 2016, 2015 and 2014, respectively
                                                            
          net increase/(decrease) in cash
                                            54,088,000 9,920,000 6,139,000              
          cash paid during the period for interest, including capitalized interest of 30,137 and 30,449 at september 30, 2016 and 2015, respectively
                                                            
          settlement
                                                 -36,000,000 72,000,000          
          cash paid during the period for interest, including capitalized interest of 19,521 and 20,702 at june 30, 2016 and 2015, respectively
                                                            
          cash paid during the period for interest, including capitalized interest of 9,470 and 10,704 at march 31, 2016 and 2015, respectively
                                              86,481,000              
          net increase (decrease) in cash
                                                            
          cash paid during the period for interest, including capitalized interest of 40,118, 42,775 and 32,659 at december 31, 2015, 2014 and 2013, respectively
                                                            
          cash paid during the period for interest, including capitalized interest of 30,449 and 31,907 at september 30, 2015 and 2014, respectively
                                                            
          net cash provided by operating activities
                                                            
          deposits from aircraft held for sale
                                                            
          net cash provided by financing activities
                                                            
          cash paid during the period for interest, including capitalized interest of 20,702 and 21,225 at june 30, 2015 and 2014, respectively
                                                            
          adjustments to reconcile net income to net cash provided by operating activities:
                                                            
          cash paid during the period for interest, including capitalized interest of 10,704 and 10,391 at march 31, 2015 and 2014, respectively
                                                  62,472,000          
          amortization of discounts and deferred debt issue costs
                                                     6,490,000 6,012,000 5,349,000 5,210,000   2,867,000 
          cash paid during the period for interest, including capitalized interest of 31,907 at september 30, 2014 and capitalized interest of 23,124 at september 30, 2013
                                                            
          amortization of discounts and deferred debt issuance costs
                                                            
          gain on aircraft sales, trading and other activities
                                                            
          proceeds from aircraft sales, trading and other activities
                                                            
          issuance of common stock
                                                    366,000 390,000    -27,000   
          tax withholdings related to vesting of restricted stock units
                                                            
          net change in unsecured revolving credit facilities
                                                            
          restricted cash
                                                    62,355,000 10,567,000 -7,541,000      
          cash paid during the period for interest, including capitalized interest of 21,225 and 14,887 for the six months ended june 30, 2014 and 2013
                                                            
          buyer furnished equipment, capitalized interest, deposits on flight equipment purchases and seller financing applied to acquisition of flight equipment
                                                    240,366,000 61,448,000 81,950,000 54,971,000 108,493,000    
          other assets applied to payments for deposits on flight equipment purchases
                                                    12,980,000       
          debt issue costs
                                                            
          cash paid during the period for interest, including capitalized interest of 10,391 and 6,899 for the three months ended march 31, 2014 and 2013
                                                     43,256,000       
          cash paid during the period for interest, including capitalized interest of 23,124 and 13,698 for the nine months ended september 30, 2013 and 2012
                                                            
          tax witholdings related to vesting of restricted stock units
                                                            
          cash paid during the period for interest, including capitalized interest of 14,887 and 8,631 at june 30, 2013 and 2012
                                                            
          cash paid during the period for interest, including capitalized interest of 6,899 and 3,949 at march 31, 2013 and 2012
                                                        30,600,000    
          extinguishment of debt
                                                            
          tax witholdings on stock-based compensation
                                                            
          cash paid during the period for interest, including capitalized interest of 13,698 at september 30, 2012 and capitalized interest of 7,297 at september 30, 2011
                                                            
          buyer furnished equipment, capitalized interest, deposits on flight equipment purchases and seller financing applied to acquisition of flight equipment under operating leases
                                                         -119,050,000 150,310,000 105,590,000 
          amortization of deferred debt issue costs
                                                            
          cash paid during the period for interest, including capitalized interest of 8,631 at june 30, 2012 and capitalized interest of 4,214 at june 30, 2011
                                                            
          cash paid during the period for interest, including capitalized interest of 3,949 at march 31, 2012 and capitalized interest of 1,845 at march 31, 2011
                                                           17,408,000 
          amortization of convertible debt discounts
                                                            
          advances on notes receivable
                                                            
          collections on notes receivable
                                                            
          issuance of common stock and warrants
                                                            
          tax withholdings on stock based compensation
                                                            
          issuance of convertible notes
                                                            
          cash at beginning of period
                                                            
          cash at end of period
                                                            
          cash paid during the period for interest, including capitalized interest of 7,297 at september 30, 2011 and capitalized interest of 363 at september 30, 2010
                                                            
          buyer furnished equipment, capitalized interest and deposits on flight equipment purchases applied to acquisition of flight equipment under operating leases
                                                            
          conversion of convertible notes to class a common stock
                                                            
          lease receivables and other assets
                                                            
          changes in security deposits and maintenance reserves on flight equipment leases
                                                            
          cash paid during the period for interest, including capitalized interest of 4,214 at june 30, 2011 and capitalized interest of 66 at june 30, 2010
                                                            
          deposits on flight equipment purchases applied to acquisition of flight equipment under operating leases
                                                            
          net increase in cash and cash equivalents
                                                            
          cash paid during the period for interest, excluding capitalized interest of 1,845 and 1 at march 31, 2011 and march 31, 2010, respectively