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 Goodwill  
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Banner Quarterly Balance Sheets Table

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Annual
 
Unit: USD2025-06-30 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 2014-12-31 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 2010-12-31 2010-09-30 2009-09-30 2009-06-30 2008-12-31 2008-06-30 2007-12-31 2007-09-30 2007-06-30 2007-05-01 
                                                                
  cash and due from banks239,339,000 213,574,000 203,402,000 226,568,000 195,163,000 168,427,000 209,634,000 207,171,000 229,918,000 194,629,000 198,154,000 273,052,000 294,717,000 414,780,000 358,461,000 392,035,000 329,359,000 296,184,000 311,899,000 289,144,000 291,036,000 211,013,000 234,359,000 250,671,000 187,043,000 218,458,000 231,029,000 184,417,000 195,652,000 188,418,000 199,624,000 192,278,000 196,178,000 196,277,000 177,083,000 161,710,000 158,446,000 153,706,000 117,657,000 74,695,000 85,598,000 298,515,000 126,072,000 151,725,000 146,561,000 144,775,000 137,349,000 175,965,000 121,448,000 155,714,000 181,298,000 203,756,000 361,652,000 488,123,000 331,154,000 84,258,000 102,750,000 92,383,000 98,430,000 146,561 106,803,000  
  interest-bearing deposits244,009,000 228,371,000 298,456,000 252,227,000 52,295,000  44,830,000    44,908,000                                                    
  total cash and cash equivalents483,348,000 441,945,000 501,858,000 478,795,000 247,458,000 209,276,000 254,464,000 251,706,000 281,325,000 242,992,000 243,062,000 821,921,000 1,170,847,000 1,988,388,000 2,134,300,000 2,200,582,000 1,467,931,000 1,649,927,000 1,234,183,000 705,538,000 419,974,000 295,001,000 307,735,000 324,456,000 246,796,000 261,538,000 272,196,000 248,661,000 249,425,000 242,048,000 261,200,000 241,766,000 273,548,000 300,708,000 247,719,000 245,917,000 234,656,000 260,570,000 261,917,000 135,239,000 183,974,000                      
  securities—available-for-sale, amortized cost 2,372,331 and 2,460,262, respectively2,064,581,000                                                              
  securities—held-to-maturity, net of allowance for credit losses of 302 and 297, respectively981,312,000                                                              
  total securities3,045,893,000 3,100,741,000 3,106,075,000 3,251,842,000 3,220,721,000 3,283,251,000 3,432,838,000 3,395,417,000 3,590,189,000 3,792,046,000 3,935,313,000 4,157,408,000 4,274,073,000 4,190,423,000 4,186,896,000 3,921,158,000 3,756,332,000 3,456,656,000 2,769,286,000 2,210,693,000 2,171,095,000 2,067,110,000  1,795,636,000 1,789,972,000 1,848,635,000  1,696,736,000                                   
  federal home loan bank (fhlb) stock35,151,000 17,286,000 22,451,000 19,751,000 27,311,000 11,741,000 24,028,000 15,600,000 20,800,000 16,800,000 12,000,000 10,000,000 10,000,000 10,000,000 12,000,000 12,000,000 14,001,000 14,001,000 16,358,000 16,363,000 16,363,000 20,247,000 28,342,000 25,623,000 34,583,000 27,063,000 31,955,000 19,196,000 19,916,000 18,036,000 10,334,000 20,854,000 12,334,000 10,334,000 12,506,000 12,826,000 23,347,000 13,347,000 16,057,000 6,767,000 6,120,000 25,544,000  29,106,000 31,191,000 33,288,000  35,708,000 36,040,000 36,373,000    37,371,000 37,371,000 37,371,000  37,371,000     
  loans held for sale37,651,000 24,536,000 32,021,000 78,841,000 13,421,000 9,357,000 11,170,000 54,158,000 60,612,000 49,016,000 56,857,000 84,358,000 69,161,000 64,218,000 96,487,000 63,678,000 71,741,000 135,263,000 243,795,000 185,938,000 258,700,000 182,428,000 210,447,000 244,889,000 170,744,000 45,865,000 171,031,000 72,850,000 78,833,000 141,808,000 40,725,000 71,905,000 66,164,000 86,707,000 246,353,000 123,144,000 113,230,000 47,523,000 44,712,000                        
  loans receivable11,690,373,000 11,438,796,000 11,354,656,000 11,224,606,000 11,143,848,000 10,869,096,000 10,810,455,000 10,611,417,000 10,472,407,000 10,160,684,000 10,146,724,000 9,827,096,000 9,456,829,000 9,146,629,000 9,084,763,000 9,218,384,000 9,654,181,000 9,947,697,000 9,870,982,000 10,163,917,000 10,283,999,000 9,285,744,000 9,305,357,000 8,835,368,000 8,746,550,000 8,692,657,000 8,684,595,000 7,822,519,000 7,684,732,000 7,556,046,000 7,598,884,000 7,774,449,000 7,551,563,000 7,421,255,000 7,451,148,000 7,398,637,000 7,325,925,000 7,185,999,000 7,314,504,000 51,749,000 51,078,000 46,365,000 177,541,000 46,496,000 43,199,000 41,743,000 167,204,000 41,953,000 42,292,000 41,489,000 174,322,000 43,953,000 205,784,000 51,162,000 56,175,000 55,500,000 256,951,000    71,047,000  
  allowance for credit losses – loans-160,501,000 -157,323,000 -155,521,000 -154,585,000 -152,848,000 -151,140,000 -149,643,000 -146,960,000 -144,680,000 -141,457,000 -141,465,000 -135,918,000 -128,702,000 -125,471,000  -139,915,000 -148,009,000                                              
  net loans receivable11,529,872,000 11,281,473,000 11,199,135,000 11,070,021,000 10,991,000,000 10,717,956,000 10,660,812,000 10,464,457,000 10,327,727,000 10,019,227,000 10,005,259,000 9,691,178,000 9,328,127,000 9,021,158,000 8,952,664,000 9,078,469,000 9,506,172,000 9,791,643,000 9,703,703,000 9,995,952,000 10,127,647,000 9,155,256,000  8,737,567,000 8,648,296,000 8,595,349,000  7,727,256,000 7,590,857,000                                  
  accrued interest receivable64,729,000 63,987,000 60,885,000 66,981,000 67,520,000 66,124,000 63,100,000 61,040,000 57,007,000 52,094,000 57,284,000 50,689,000 45,408,000 41,827,000 42,916,000 43,644,000 46,979,000 49,214,000 46,617,000 48,321,000 48,806,000 40,732,000 37,962,000 40,033,000 40,238,000 41,220,000 38,593,000 37,676,000 34,004,000 32,824,000 31,259,000 33,837,000 30,722,000 30,312,000 30,178,000 30,345,000 30,052,000 30,674,000 29,627,000 17,966,000 16,792,000 16,873,000 15,279,000 17,062,000 15,579,000 15,202,000 13,996,000 15,164,000 14,648,000 15,235,000 13,930,000 16,118,000 15,927,000 17,866,000 20,912,000 18,892,000 21,219,000 22,890,000 24,980,000 26,376 24,885,000  
  property and equipment117,175,000 119,649,000 124,589,000 125,256,000 126,465,000 129,889,000 132,231,000 136,504,000 135,414,000 136,362,000 138,754,000 141,280,000 141,114,000 142,594,000 148,759,000 151,503,000 156,063,000 161,268,000 164,556,000 171,576,000 173,360,000 175,235,000 178,008,000 171,279,000 171,233,000 171,057,000 171,809,000 151,212,000 153,224,000 156,005,000 154,815,000 159,893,000 161,095,000 162,467,000 166,481,000 167,621,000 167,597,000 168,807,000 167,604,000 102,881,000 101,141,000 98,728,000 91,185,000 91,291,000 91,912,000 89,440,000 90,267,000 89,092,000 87,896,000 88,414,000 89,117,000 89,202,000 96,502,000 98,300,000 104,469,000 103,709,000 97,647,000 97,928,000 98,098,000 95,816 87,327,000  
  goodwill373,121,000 373,121,000 373,121,000 373,121,000 373,121,000 373,121,000 373,121,000 373,121,000 373,121,000 373,121,000 373,121,000 373,121,000 373,121,000 373,121,000 373,121,000 373,121,000 373,121,000 373,121,000 373,121,000 373,121,000 373,121,000 373,121,000 373,121,000 339,154,000 339,154,000 339,154,000 339,154,000 242,659,000 242,659,000 242,659,000 242,659,000 244,583,000 244,583,000 244,583,000 244,583,000 244,583,000 244,583,000 244,811,000 247,738,000                       56,468,000 
  other intangibles2,147,000 2,602,000 3,058,000 3,647,000 4,237,000 4,961,000 5,684,000 6,542,000 7,399,000 8,390,000 9,440,000 10,655,000 11,870,000 13,431,000 14,855,000 16,429,000 18,004,000 19,715,000 21,426,000 23,291,000 25,155,000 27,157,000  26,610,000 28,595,000 30,647,000  18,499,000 19,858,000 21,251,000  25,219,000 26,813,000 28,488,000  31,934,000 33,724,000 35,598,000                9,210,000         
  bank-owned life insurance316,365,000 313,942,000 312,549,000 310,400,000 307,948,000 306,600,000 304,366,000 303,347,000 301,260,000 299,754,000 297,565,000 295,443,000 293,631,000 294,556,000 244,156,000 192,950,000 192,677,000 191,388,000 191,830,000 191,755,000 190,468,000 193,140,000 192,088,000 179,076,000 178,922,000 178,202,000 177,467,000 163,265,000 164,225,000 163,519,000 162,668,000 161,648,000 160,609,000 159,948,000 158,936,000 158,831,000 158,001,000 156,928,000 156,865,000 71,842,000 71,744,000 71,290,000 63,759,000 63,293,000 62,815,000 62,377,000 61,945,000 61,442,000 60,894,000 60,425,000 59,891,000 60,395,000 56,653,000 56,141,000 54,037,000 53,341,000 52,680,000 52,213,000 51,483,000 51,024 50,441,000  
  deferred tax assets136,542,000 139,361,000 148,858,000 130,310,000 153,541,000 156,571,000 153,365,000 186,775,000 167,993,000 165,247,000 178,131,000 178,550,000 146,543,000 118,997,000 71,138,000 70,130,000 69,702,000 83,178,000 65,742,000 64,367,000 50,610,000 46,582,000 59,639,000 58,884,000 61,327,000 69,642,000 75,020,000 78,471,000 77,937,000 76,843,000 71,427,000 119,333,000 121,131,000 124,069,000 127,694,000 124,830,000 123,818,000 126,832,000 134,970,000 23,536,000 23,680,000 22,289,000 24,607,000 21,830,000 22,065,000 26,341,000 27,479,000 26,070,000   35,007,000 41,474,000           
  operating lease right-of-use assets38,754,000 37,134,000 39,998,000 38,192,000 39,628,000 40,834,000 43,731,000 43,447,000 45,812,000 47,106,000 49,283,000 51,908,000 49,792,000 52,792,000 55,257,000 58,523,000 55,287,000 56,217,000                                             
  other assets256,421,000 255,035,000 275,439,000 241,519,000 243,823,000 208,598,000 211,481,000 215,766,000 216,077,000 181,448,000 177,022,000 193,958,000 171,170,000 164,237,000 171,471,000 154,840,000 153,084,000 137,861,000 200,190,000 203,110,000 207,856,000 202,539,000 168,632,000 154,407,000 135,001,000 129,302,000 74,108,000 57,458,000 58,655,000 63,380,000 53,177,000 49,928,000 54,258,000 68,086,000 59,466,000 72,585,000 70,267,000 65,902,000 56,943,000 37,918,000 36,187,000 36,708,000 29,328,000 27,538,000 28,509,000 29,352,000 26,799,000 23,775,000 25,466,000 36,294,000 40,781,000 39,668,000 42,106,000 45,777,000 25,230,000 23,321,000 18,821,000 21,303,000 20,996,000 18,463 20,443,000 7,528,000 
  total assets16,437,169,000 16,170,812,000 16,200,037,000 16,188,676,000 15,816,194,000 15,518,279,000 15,670,391,000 15,507,880,000 15,584,736,000 15,533,603,000 15,833,431,000 16,360,809,000 16,385,197,000 16,776,171,000 16,804,872,000 16,637,879,000 16,181,857,000 16,119,792,000 15,031,623,000 14,642,075,000 14,405,607,000 12,780,950,000 12,604,031,000 12,097,842,000 11,847,374,000 11,740,285,000 11,871,317,000 10,514,303,000 10,379,194,000 10,317,264,000 9,763,209,000 10,443,086,000 10,199,820,000 10,068,378,000 9,793,668,000 9,841,028,000 9,916,205,000 9,745,594,000 9,796,298,000                       503,648,000 
  liabilities                                                              
  deposits:                                                              
  non-interest-bearing4,504,491,000 4,571,598,000 4,591,543,000 4,688,244,000 4,537,803,000 4,699,553,000 4,792,369,000 5,197,854,000 5,369,187,000 5,764,009,000 6,176,998,000 6,507,523,000 6,388,815,000 6,494,852,000 6,385,177,000 6,400,864,000 6,090,063,000 5,994,693,000 5,492,924,000 5,412,570,000 5,281,559,000 4,107,262,000 3,945,000,000 3,885,210,000 3,671,995,000 3,676,984,000 3,657,817,000 3,469,294,000 3,346,777,000 3,383,439,000 3,265,544,000 3,379,841,000 3,254,581,000 3,213,044,000 3,140,451,000 3,190,293,000 3,023,986,000 3,036,330,000 2,619,618,000 1,561,516,000 1,484,315,000 1,504,768,000 1,298,866,000 1,304,720,000 1,210,068,000 1,095,665,000 1,115,346,000 1,051,831,000 958,674,000 962,156,000 981,240,000 918,962,000 600,457,000 613,313,000 546,956,000 508,284,000 509,105,000 477,144,000 484,251,000 473,571 455,628,000  
  interest-bearing transaction and savings accounts7,545,028,000 7,517,617,000 7,423,183,000 7,328,051,000 7,016,327,000 6,973,338,000 6,759,661,000 6,518,385,000 6,373,269,000 6,440,261,000 6,719,531,000 7,004,799,000 7,067,437,000 7,228,558,000 7,103,125,000 6,912,759,000 6,673,598,000 6,647,196,000 6,159,052,000 5,887,419,000 5,692,715,000 5,175,969,000 4,983,238,000 4,624,970,000 4,546,202,000 4,535,969,000 4,498,966,000 4,035,856,000 4,032,283,000 4,141,268,000 3,950,950,000 4,058,435,000 4,022,909,000 4,064,198,000 3,935,630,000 3,798,668,000 3,687,118,000 3,705,658,000 4,081,580,000 2,095,476,000 2,047,050,000 2,036,600,000 1,829,568,000 1,833,404,000 1,771,865,000 1,681,854,000  1,583,430,000 1,557,513,000 1,575,525,000  1,480,234,000  1,459,756,000 1,305,546,000 1,131,093,000       
  interest-bearing certificates1,477,772,000 1,504,050,000 1,499,672,000 1,521,853,000 1,525,133,000 1,485,880,000 1,477,467,000 1,458,313,000 1,356,600,000 949,932,000 723,530,000 721,944,000 756,312,000 800,364,000 838,631,000 851,054,000 873,047,000 906,978,000 915,320,000 915,352,000 1,042,006,000 1,166,306,000 1,120,403,000 1,218,591,000 1,070,770,000 1,163,276,000 1,320,265,000 1,180,674,000 1,148,607,000 1,018,355,000 966,937,000 1,100,574,000 1,206,241,000 1,144,718,000 1,045,333,000 1,123,011,000 1,208,671,000 1,287,873,000 1,353,870,000 730,661,000 765,780,000 778,049,000 770,516,000 852,994,000 936,986,000 905,016,000 872,695,000 900,024,000 944,137,000 982,903,000 1,029,293,000 1,087,176,000 1,557,493,000 1,687,417,000 2,008,673,000 2,110,466,000 2,131,867,000 2,063,392,000 1,848,230,000 1,825,096 1,829,473,000  
  total deposits13,527,291,000 13,593,265,000 13,514,398,000 13,538,148,000 13,079,263,000 13,158,771,000 13,029,497,000 13,174,552,000 13,099,056,000 13,154,202,000 13,620,059,000 14,234,266,000 14,212,564,000 14,523,774,000 14,326,933,000 14,164,677,000 13,636,708,000 13,548,867,000 12,567,296,000 12,215,341,000 12,016,280,000 10,449,537,000 10,048,641,000 9,728,771,000 9,288,967,000 9,376,229,000 9,477,048,000 8,685,824,000 8,527,667,000 8,543,062,000 8,183,431,000 8,538,850,000 8,483,731,000 8,421,960,000 8,121,414,000 8,111,972,000 7,919,775,000 8,029,861,000 8,055,068,000                        
  advances from fhlb565,000,000 168,000,000 290,000,000 230,000,000 398,000,000 52,000,000 323,000,000 140,000,000 270,000,000 170,000,000 50,000,000    50,000,000 50,000,000 100,000,000 100,000,000 150,000,000 150,000,000 150,000,000 247,000,000 450,000,000 382,000,000 606,000,000 418,000,000 540,189,000 221,184,000 239,190,000 192,195,000                                 
  other borrowings117,112,000 130,588,000 125,257,000 154,533,000 165,956,000 183,341,000 182,877,000 188,440,000 193,019,000 214,564,000 232,799,000 234,006,000 234,737,000 266,778,000 264,490,000 247,358,000 237,736,000 216,260,000 184,785,000 176,983,000 166,084,000 128,764,000 118,474,000 120,014,000 118,370,000 121,719,000 118,995,000 98,979,000 112,458,000 101,844,000 95,860,000 103,713,000 116,455,000 120,245,000 105,685,000 108,911,000 112,308,000 106,132,000 98,325,000 88,083,000 94,523,000 97,020,000 77,185,000 67,605,000 88,946,000 89,921,000 83,056,000 82,909,000 90,779,000 88,446,000 76,633,000 82,275,000 175,813,000 178,134,000 174,770,000 158,249,000 145,230,000 164,192,000 91,724,000 78,511 71,926,000  
  subordinated notes 80,389,000 80,278,000 80,170,000 89,561,000 89,456,000 92,851,000 92,748,000 92,646,000 99,046,000 98,947,000 98,849,000 98,752,000 98,658,000 98,564,000 98,472,000 98,380,000 98,290,000 98,201,000 98,114,000 98,140,000                                          
  junior subordinated debentures at fair value73,366,000 67,711,000 67,477,000 66,257,000 66,831,000 66,586,000 66,413,000 66,284,000 67,237,000 74,703,000 74,857,000 73,841,000 72,229,000 70,510,000 119,815,000 124,853,000 117,520,000 117,248,000 116,974,000 109,821,000 109,613,000 99,795,000 119,304,000 113,417,000 113,621,000 113,917,000 114,091,000 113,110,000 112,774,000 112,516,000 98,707,000 97,280,000 96,852,000 96,040,000 95,200,000 94,364,000 93,298,000 92,879,000 92,480,000 85,183,000 84,694,000 84,326,000 78,001,000 77,624,000 77,313,000 74,135,000 73,928,000 73,637,000 73,471,000 73,220,000 73,063,000 73,071,000 48,425,000 48,394,000 47,859,000 49,563,000 61,776,000 101,358,000 113,270,000 122,220 98,419,000  
  operating lease liabilities41,696,000 40,466,000 43,472,000 42,318,000 44,056,000 45,524,000 48,659,000 48,642,000 51,234,000 52,772,000 55,205,000 58,031,000 55,746,000 57,343,000 59,756,000 62,946,000 59,117,000 59,884,000                                             
  accrued expenses and other liabilities200,194,000 210,771,000 258,070,000 237,128,000 235,515,000 211,578,000 228,428,000 231,478,000 223,565,000 191,326,000 200,839,000 209,226,000 180,999,000 148,689,000 148,303,000 175,960,000 216,399,000 313,801,000 202,643,000 200,038,000 194,964,000 208,753,000 227,889,000 181,351,000 159,131,000 158,669,000 102,061,000 82,530,000 93,281,000 72,497,000 71,344,000 72,604,000 102,511,000 66,201,000 71,369,000 92,783,000 87,441,000 81,485,000 76,511,000 42,844,000 36,131,000 38,164,000 37,082,000 32,375,000 35,619,000 29,189,000 30,592,000 24,830,000 22,010,000 24,157,000 26,389,000 36,109,000 21,048,000 24,624,000 28,715,000 36,652,000 40,600,000 37,438,000 48,189,000 47,577 51,792,000  
  deferred compensation46,846,000 46,169,000 46,759,000 46,401,000 46,246,000 46,515,000 45,975,000 45,129,000 45,466,000 45,295,000 44,293,000 43,931,000 44,340,000 46,639,000 46,684,000 46,494,000 46,786,000 46,625,000 45,460,000 45,249,000 45,423,000 45,401,000 45,689,000 41,354,000 40,230,000 40,560,000 40,338,000 40,478,000 40,814,000 41,027,000 41,039,000 40,279,000 40,208,000 40,315,000 40,074,000 39,385,000 39,483,000 39,682,000 40,474,000 20,910,000 20,879,000 20,882,000 16,807,000 16,359,000 16,238,000 16,641,000 16,442,000 15,642,000 15,111,000 14,879,000 14,452,000 14,375,000 14,603,000 13,877,000 12,960,000 12,815,000 13,149,000 12,694,000 11,396,000 10,830 10,497,000  
  total liabilities14,571,505,000 14,337,359,000 14,425,711,000 14,394,955,000 14,125,428,000 13,853,771,000 14,017,700,000 13,987,273,000 14,042,223,000 14,001,908,000 14,376,999,000 14,952,150,000 14,899,367,000 15,212,391,000 15,114,545,000 14,970,760,000 14,512,646,000 14,500,975,000 13,365,359,000 12,995,546,000 12,780,504,000 11,179,250,000 11,009,997,000 10,566,907,000 10,326,319,000 10,229,094,000 10,392,722,000 9,242,105,000 9,126,184,000 9,063,141,000 8,490,583,000 9,116,075,000 8,889,969,000 8,744,974,000 8,487,958,000 8,509,757,000 8,577,688,000 8,425,439,000 8,496,239,000                       -405,458,000 
  commitments and contingencies                                                              
  shareholders’ equity                                                              
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at june 30, 2025 and december 31, 2024                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 34,583,994 shares issued and outstanding at june 30, 2025; 34,459,832 shares issued and outstanding at december 31, 20241,309,004,000                                                              
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at june 30, 2025; no shares issued and outstanding at december 31, 2024                                                              
  retained earnings801,082,000 772,412,000 744,091,000 714,472,000 686,079,000 663,021,000 642,175,000 616,215,000 587,027,000 564,106,000 525,242,000 486,108,000 452,246,000 419,659,000 390,762,000 355,035,000 319,505,000 279,582,000 247,316,000 222,959,000 201,448,000 177,922,000 186,838,000 203,704,000 178,257,000 152,911,000 134,055,000 109,942,000 84,485,000 79,773,000 90,535,000 111,405,000 94,541,000 110,783,000 95,328,000 80,053,000 63,967,000 50,230,000 39,615,000 41,269,000 32,096,000 22,623,000 15,000,000 6,780,000             2,150,000 84,204,000 139,636,000 133,278 126,249,000  
  carrying value of shares held in trust for stock-based compensation plans-5,975,000 -6,216,000 -6,194,000 -6,195,000 -6,364,000 -6,607,000 -6,563,000 -6,546,000 -6,702,000 -6,919,000 -6,905,000 -6,973,000 -7,136,000 -7,338,000 -7,435,000 -7,421,000 -7,374,000 -7,614,000 -7,636,000 -7,588,000                                           
  liability for common stock issued to stock related compensation plans5,975,000 6,216,000 6,194,000 6,195,000 6,364,000 6,607,000 6,563,000 6,546,000 6,702,000 6,919,000 6,905,000 6,973,000 7,136,000 7,338,000 7,435,000 7,421,000 7,374,000 7,614,000 7,636,000 7,588,000 7,549,000 7,650,000  7,387,000 7,324,000 7,294,000  7,182,000 7,083,000 7,371,000                                 
  accumulated other comprehensive loss-244,422,000 -247,926,000 -277,274,000 -225,543,000 -297,549,000 -299,482,000 -289,135,000 -392,915,000 -339,448,000 -325,636,000                19,894,000     -5,036,000    -3,455,000    -730,000                        
  total shareholders’ equity1,865,664,000 1,833,453,000 1,774,326,000 1,793,721,000 1,690,766,000 1,664,508,000 1,652,691,000 1,520,607,000 1,542,513,000 1,531,695,000 1,456,432,000 1,408,659,000 1,485,830,000 1,563,780,000 1,690,327,000 1,667,119,000 1,669,211,000 1,618,817,000 1,666,264,000 1,646,529,000                                           
  total liabilities and shareholders’ equity16,437,169,000 16,170,812,000 16,200,037,000 16,188,676,000 15,816,194,000 15,518,279,000 15,670,391,000 15,507,880,000 15,584,736,000 15,533,603,000 15,833,431,000 16,360,809,000 16,385,197,000 16,776,171,000 16,804,872,000 16,637,879,000 16,181,857,000 16,119,792,000 15,031,623,000 14,642,075,000                                           
  securities—available-for-sale, amortized cost 2,426,395 and 2,460,262, respectively 2,108,945,000                                                             
  securities—held-to-maturity, net of allowance for credit losses of 292 and 297, respectively 991,796,000                                                             
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at march 31, 2025 and december 31, 2024                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 34,489,972 shares issued and outstanding at march 31, 2025; 34,459,832 shares issued and outstanding at december 31, 2024 1,308,967,000                                                             
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at march 31, 2025; no shares issued and outstanding at december 31, 2024                                                              
  securities—available-for-sale; amortized cost 2,460,262 and 2,729,980, respectively  2,104,511,000                                                            
  securities—held-to-maturity, net of allowance for credit losses of 297 and 332, respectively  1,001,564,000                                                            
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at december 31, 2024 and december 31, 2023                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 34,459,832 shares issued and outstanding at december 31, 2024; 34,348,369 shares issued and outstanding at december 31, 2023  1,307,509,000                                                            
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at december 31, 2024 and december 31, 2023                                                              
  securities—available-for-sale, amortized cost 2,523,968 and 2,729,980, respectively   2,237,939,000                                                           
  securities—held-to-maturity, net of allowance for credit losses of 307 and 332, respectively   1,013,903,000                                                           
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at september 30, 2024 and december 31, 2023                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 34,456,688 shares issued and outstanding at september 30, 2024; 34,348,369 shares issued and outstanding at december 31, 2023   1,304,792,000                                                           
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at september 30, 2024; no shares issued and outstanding at december 31, 2023                                                              
  securities—available-for-sale, amortized cost 2,572,544 and 2,729,980, respectively    2,197,693,000                                                          
  securities—held-to-maturity, net of allowance for credit losses of 314 and 332, respectively    1,023,028,000                                                          
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at june 30, 2024 and december 31, 2023                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 34,455,752 shares issued and outstanding at june 30, 2024; 34,348,369 shares issued and outstanding at december 31, 2023    1,302,236,000                                                          
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at june 30, 2024; no shares issued and outstanding at december 31, 2023                                                              
  interest bearing deposits     40,849,000  44,535,000 51,407,000 48,363,000  548,869,000 876,130,000 1,573,608,000 1,775,839,000 1,808,547,000 1,138,572,000 1,353,743,000 922,284,000 416,394,000 128,938,000 83,988,000 73,376,000 73,785,000 59,753,000 43,080,000 41,167,000 64,244,000 53,773,000 53,630,000 61,576,000 49,488,000 77,370,000 104,431,000 70,636,000 84,207,000 76,210,000 106,864,000 144,260,000 60,544,000 98,376,000                      
  securities—available-for-sale, amortized cost 2,617,986 and 2,729,980, respectively     2,244,939,000                                                         
  securities—held-to-maturity, net of allowance for credit losses of 322 and 332, respectively     1,038,312,000                                                         
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at march 31, 2024 and december 31, 2023                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 34,395,221 shares issued and outstanding at march 31, 2024; 34,348,369 shares issued and outstanding at december 31, 2023     1,300,969,000                                                         
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at march 31, 2024; no shares issued and outstanding at december 31, 2023                                                              
  securities—trading       25,268,000 25,659,000 28,591,000 28,694,000 28,383,000 27,886,000 27,354,000 26,981,000 26,875,000 25,097,000 25,039,000 24,980,000 23,276,000 23,239,000 21,040,000 25,636,000 25,672,000 25,741,000                                      
  securities—available-for-sale; amortized cost 2,729,980 and 3,218,777, respectively      2,373,783,000                                                        
  securities—held-to-maturity, net of allowance for credit losses of 332 and 379, respectively      1,059,055,000                                                        
  securities purchased under agreements to resell         150,000,000 300,000,000 300,000,000 300,000,000 300,000,000 300,000,000 300,000,000 300,000,000                                              
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at december 31, 2023 and december 31, 2022                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 34,348,369 shares issued and outstanding at december 31, 2023; 34,194,018 shares issued and outstanding at december 31, 2022      1,299,651,000                                                        
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at december 31, 2023 and december 31, 2022                                                              
  securities—available-for-sale, net of allowance for credit losses of 750 and none, respectively; amortized cost 2,774,972 and 3,218,777, respectively       2,287,993,000                                                       
  securities—held-to-maturity, net of allowance for credit losses of 349 and 379, respectively       1,082,156,000                                                       
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at september 30, 2023 and december 31, 2022                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 34,345,949 shares issued and outstanding at september 30, 2023; 34,194,018 shares issued and outstanding at december 31, 2022       1,297,307,000                                                       
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at september 30, 2023; no shares issued and outstanding at december 31, 2022                                                              
  securities—available-for-sale, net of allowance for credit losses of 2,000 and none, respectively; amortized cost 2,879,179 and 3,218,777, respectively        2,465,960,000                                                      
  securities—held-to-maturity, net of allowance for credit losses of 355 and 379, respectively        1,098,570,000                                                      
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at june 30, 2023 and december 31, 2022                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 34,344,627 shares issued and outstanding at june 30, 2023; 34,194,018 shares issued and outstanding at december 31, 2022        1,294,934,000                                                      
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at june 30, 2023; no shares issued and outstanding at december 31, 2022                                                              
  securities—available-for-sale, amortized cost 3,040,211 and 3,218,777, respectively         2,653,860,000                                                     
  securities—held-to-maturity, net of allowance for credit losses of 364 and 379, respectively         1,109,595,000                                                     
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at march 31, 2023 and december 31, 2022                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 34,308,540 shares issued and outstanding at march 31, 2023; 34,194,018 shares issued and outstanding at december 31, 2022         1,293,225,000                                                     
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at march 31, 2023; no shares issued and outstanding at december 31, 2022                                                              
  securities—available-for-sale, amortized cost 3,218,777 and 3,653,160, respectively          2,789,031,000                                                    
  securities—held-to-maturity, net of allowance for credit losses of 379 and 433, respectively          1,117,588,000                                                    
  real estate owned (reo), held for sale          340,000 340,000 340,000 429,000 852,000 852,000 763,000 340,000 816,000 1,795,000 2,400,000 2,402,000 814,000 228,000 2,513,000 2,611,000 2,611,000 364,000 473,000 328,000 360,000 1,496,000 2,427,000 3,040,000 11,081,000 4,717,000 6,147,000 7,207,000 11,627,000 6,363,000 6,105,000 4,922,000 3,352,000 3,928,000 4,388,000 3,236,000  4,818,000 6,714,000 11,160,000    107,159,000         
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at december 31, 2022 and december 31, 2021                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 34,194,018 shares issued and outstanding at december 31, 2022; 34,252,632 shares issued and outstanding at december 31, 2021          1,293,959,000                                                    
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at december 31, 2022; no shares issued and outstanding at december 31, 2021                                                              
  accumulated other comprehensive income          -362,769,000 -369,190,000 -255,915,000 -154,091,000 184,000 14,939,000 38,251,000 12,966,000 69,069,000 75,958,000 78,559,000 80,079,000 33,256,000 40,520,000 35,910,000  7,104,000   1,390,000  124,000    8,013,000 11,465,000 7,875,000  975,000 227,000 1,137,000   71,000     1,784,000 2,101,000 2,393,000 350,000          
  securities—available-for-sale, amortized cost 3,433,541 and 3,653,160, respectively           2,996,173,000                                                   
  securities—held-to-maturity, net of allowance for credit losses of 394 and 433, respectively, fair value 947,416 and 541,853, respectively           1,132,852,000                                                   
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at september 30, 2022 and december 31, 2021                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 34,191,759 shares issued and outstanding at september 30, 2022; 34,252,632 shares issued and outstanding at december 31, 2021           1,291,741,000                                                   
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at september 30, 2022; no shares issued and outstanding at december 31, 2021                                                              
  securities—available-for-sale, amortized cost 3,391,472 and 3,653,160, respectively            3,094,422,000                                                  
  securities—held-to-maturity, net of allowance for credit losses of 424 and 433, respectively, fair value 1,036,301 and 541,853, respectively            1,151,765,000                                                  
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at june 30, 2022 and december 31, 2021                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 34,191,330 shares issued and outstanding at june 30, 2022; 34,252,632 shares issued and outstanding at december 31, 2021            1,289,499,000                                                  
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at june 30, 2022; no shares issued and outstanding at december 31, 2021                                                              
  securities—available-for-sale, amortized cost 3,315,213 and 3,653,160, respectively             3,147,547,000                                                 
  securities—held-to-maturity, net of allowance for credit losses of 420 and 433, respectively, fair value 968,540 and 541,853, respectively             1,015,522,000                                                 
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at march 31, 2022 and december 31, 2021                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 34,372,784 shares issued and outstanding at march 31, 2022; 34,252,632 shares issued and outstanding at december 31, 2021             1,298,212,000                                                 
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at march 31, 2022; no shares issued and outstanding at december 31, 2021                                                              
  securities—available-for-sale, amortized cost 3,653,160 and 2,256,189, respectively              3,638,993,000                                                
  securities—held-to-maturity, net of allowance for credit losses of 433 and 94, respectively, fair value 541,853 and 448,681, respectively              520,922,000                                                
  allowance for credit losses - loans              -132,099,000   -156,054,000 -167,279,000 -167,965,000                                           
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at december 31, 2021 and december 31, 2020                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 34,252,632 shares issued and outstanding at december 31, 2021; 35,159,200 shares issued and outstanding at december 31, 2020              1,299,381,000                                                
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at december 31, 2021; no shares issued and outstanding at december 31, 2020                                                              
  securities—available-for-sale, amortized cost 3,443,516 and 2,256,189, respectively               3,446,575,000                                               
  securities—held-to-maturity, net of allowance for credit losses of 104 and 94, respectively, fair value 466,002 and 448,681, respectively               447,708,000                                               
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at september 30, 2021 and december 31, 2020                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 34,251,991 shares issued and outstanding at september 30, 2021; 35,159,200 shares issued and outstanding at december 31, 2020               1,297,145,000                                               
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at september 30, 2021; no shares issued and outstanding at december 31, 2020                                                              
  securities—available-for-sale, amortized cost 3,249,579 and 2,256,189, respectively                3,275,979,000                                              
  securities—held-to-maturity, net of allowance for credit losses of 110 and 94, respectively, fair value 479,977 and 448,681, respectively                455,256,000                                              
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at june 30, 2021 and december 31, 2020                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 34,550,888 shares issued and outstanding at june 30, 2021; 35,159,200 shares issued and outstanding at december 31, 2020                1,311,455,000                                              
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at june 30, 2021; no shares issued and outstanding at december 31, 2020                                                              
  securities—available-for-sale, amortized cost 2,996,902 and 2,256,189, respectively                 2,989,760,000                                             
  securities—held-to-maturity, net of allowance for credit losses of 98 and 94, respectively, fair value 459,595 and 448,681, respectively                 441,857,000                                             
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at march 31, 2021 and december 31, 2020                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 34,735,343 shares issued and outstanding at march 31, 2021; 35,159,200 shares issued and outstanding at december 31, 2020                 1,326,269,000                                             
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at march 31, 2021; no shares issued and outstanding at december 31, 2020                                                              
  securities—available-for-sale, amortized cost 2,256,189 and 1,529,946, respectively                  2,322,593,000                                            
  securities—held-to-maturity, net of allowance for credit losses of 94 and none, respectively, fair value 448,681 and 237,805, respectively                  421,713,000                                            
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at december 31, 2020 and december 31, 2019                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 35,159,200 shares issued and outstanding at december 31, 2020; 35,712,384 shares issued and outstanding at december 31, 2019                  1,349,879,000                                            
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at december 31, 2020; 39,192 shares issued and outstanding at december 31, 2019                                                              
  securities—available-for-sale, amortized cost 1,690,069 and 1,529,946, respectively                   1,758,384,000                                           
  securities—held-to-maturity, net of allowance for credit losses of 102 and none, respectively, fair value 450,806 and 237,805, respectively                   429,033,000                                           
  equity securities                   450,255,000 340,052,000                                          
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at september 30, 2020 and december 31, 2019                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 35,158,568 shares issued and outstanding at september 30, 2020; 35,712,384 shares issued and outstanding at december 31, 2019                   1,347,612,000                                           
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at september 30, 2020; 39,192 shares issued and outstanding at december 31, 2019                                                              
  securities—available-for-sale, amortized cost 1,635,251 and 1,529,946, respectively                    1,706,781,000                                          
  securities—held-to-maturity, net of allowance for credit losses of 102 and none, respectively, fair value 461,186 and 237,805, respectively                    441,075,000                                          
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at june 30, 2020 and december 31, 2019                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 35,157,899 shares issued and outstanding at june 30, 2020; 35,712,384 shares issued and outstanding at december 31, 2019                    1,345,096,000                                          
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at june 30, 2020; 39,192 shares issued and outstanding at december 31, 2019                                                              
  total shareholders' equity                    1,625,103,000 1,601,700,000 1,594,034,000 1,530,935,000 1,521,055,000 1,511,191,000 1,478,595,000 1,272,198,000 1,253,010,000 1,254,123,000 1,272,626,000 1,327,011,000 1,309,851,000 1,323,404,000 1,305,710,000 1,331,271,000 1,338,517,000 1,320,155,000 1,300,059,000                        
  total liabilities and shareholders' equity                    14,405,607,000 12,780,950,000 12,604,031,000 12,097,842,000 11,847,374,000 11,740,285,000 11,871,317,000    9,763,209,000    9,793,668,000    9,796,298,000                        
  securities—available-for-sale, amortized cost 1,544,513 and 1,529,946, respectively                     1,608,224,000                                         
  securities—held-to-maturity, net of allowance for credit losses of 98 and none, respectively, fair value 449,237 and 237,805, respectively                     437,846,000                                         
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at march 31, 2020 and december 31, 2019                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 35,102,459 shares issued and outstanding at march 31, 2020; 35,712,384 shares issued and outstanding at december 31, 2019                     1,343,699,000                                         
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at march 31, 2020; 39,192 shares issued and outstanding at december 31, 2019                                                              
  securities—available-for-sale, amortized cost 1,529,946 and 1,648,421, respectively                      1,551,557,000                                        
  securities—held-to-maturity, fair value 237,805 and 232,537, respectively                      236,094,000                                        
  allowance for loan losses                      -100,559,000    -96,485,000    -89,028,000    -85,997,000    -78,008,000                  -75,197,000   -44,212 -43,248,000  
  net loans                      9,204,798,000    8,588,110,000   7,463,839,000 7,509,856,000 7,685,349,000 7,462,977,000 7,334,728,000 7,365,151,000 7,314,417,000 7,244,607,000 7,107,802,000 7,236,496,000                        
  other intangible assets                      29,158,000    32,924,000    22,655,000    30,162,000    36,762,000                        
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares issued and outstanding at december 31, 2019 and december 31, 2018                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized, 35,712,384 shares issued and outstanding at december 31, 2019; 35,107,839 shares issued and outstanding at december 31, 2018                      1,373,198,000                                        
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; 39,192 shares issued and outstanding at december 31, 2019; 74,933 shares issued and outstanding at december 31, 2018                      742,000                                        
  carrying value of shares held in trust for stock related compensation plans                      -7,507,000    -7,289,000    -7,351,000    -7,283,000    -6,928,000                  -8,850,000   -8,010 -7,699,000  
  liability for common stock issued for stock related compensation plans                      7,507,000    7,289,000    7,351,000                                
  securities—available-for-sale, amortized cost 1,508,810 and 1,648,421, respectively                       1,539,908,000                                       
  securities—held-to-maturity, fair value 233,721 and 232,537, respectively                       230,056,000                                       
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at september 30, 2019 and december 31, 2018                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 34,134,165 shares issued and outstanding at september 30, 2019; 35,107,839 shares issued and outstanding at december 31, 2018                       1,286,022,000                                       
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; 39,192 shares issued and outstanding at september 30, 2019; 74,933 shares issued and outstanding at december 31, 2018                       689,000                                       
  securities—available-for-sale, amortized cost 1,535,775 and 1,648,421, respectively                        1,561,009,000                                      
  securities—held-to-maturity, fair value 206,917 and 232,537, respectively                        203,222,000                                      
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at june 30, 2019 and december 31, 2018                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 34,534,451shares issued and outstanding at june 30, 2019; 35,107,839 shares issued and outstanding at december 31, 2018                        1,306,000,000                                      
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; 39,192 shares issued and outstanding at june 30, 2019; 74,933 shares issued and outstanding at december 31, 2018                        888,000                                      
  securities—trading, amortized cost 27,203 and 27,203, respectively                         25,838,000                                     
  securities—available-for-sale, amortized cost 1,599,347 and 1,648,421, respectively                         1,603,804,000                                     
  securities—held-to-maturity, fair value 220,112 and 232,537, respectively                         218,993,000                                     
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at march 31, 2019 and december 31, 2018                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 35,113,554 shares issued and outstanding at march 31, 2019; 35,107,839 shares issued and outstanding at december 31, 2018                         1,337,592,000                                     
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; 39,192 shares issued and outstanding at march 31, 2019; 74,933 shares issued and outstanding at december 31, 2018                         794,000                                     
  securities—trading, amortized cost 27,203 and 27,246, respectively                          25,896,000                                    
  securities—available-for-sale, amortized cost 1,648,421 and 926,112, respectively                          1,636,223,000                                    
  securities—held-to-maturity, fair value 232,537 and 262,188, respectively                          234,220,000                                    
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares issued and outstanding at december 31, 2018 and december 31, 2017                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized, 35,107,839 shares issued and outstanding at december 31, 2018; 32,626,456 shares issued and outstanding at december 31, 2017                          1,336,030,000                                    
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; 74,933 shares issued and outstanding at december 31, 2018; 100,029 shares issued and outstanding at december 31, 2017                          1,406,000                                    
  securities—trading, amortized cost 27,340 and 27,246, respectively                           25,764,000                                   
  securities—available-for-sale, amortized cost 1,451,897 and 926,112, respectively                           1,412,273,000                                   
  securities—held-to-maturity, fair value 254,094 and 262,188, respectively                           258,699,000                                   
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at september 30, 2018 and december 31, 2017                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 32,327,824 shares issued and outstanding at september 30, 2018; 32,626,456 shares issued and outstanding at december 31, 2017                           1,174,004,000                                   
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; 74,933 shares issued and outstanding at september 30, 2018; 100,029 shares issued and outstanding at december 31, 2017                           1,246,000                                   
  total liabilities & shareholders' equity                           10,514,303,000 10,379,194,000 10,317,264,000  10,443,086,000 10,199,820,000 10,068,378,000  9,841,028,000 9,916,205,000 9,745,594,000                         
  securities—trading, amortized cost 27,303 and 27,246, respectively                            25,640,000                                  
  securities—available-for-sale, amortized cost 1,429,925 and 926,112, respectively                            1,400,312,000                                  
  securities—held-to-maturity, fair value 260,318 and 262,188, respectively                            263,176,000                                  
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at june 30, 2018 and december 31, 2017                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 32,330,763 shares issued and outstanding at june 30, 2018; 32,626,456 shares issued and outstanding at december 31, 2017                            1,172,402,000                                  
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; 74,933 shares issued and outstanding at june 30, 2018; 100,029 shares issued and outstanding at december 31, 2017                            1,254,000                                  
  securities—trading, amortized cost 27,275 and 27,246, respectively                             25,574,000                                 
  securities—available-for-sale, amortized cost 1,427,764 and 926,112, respectively                             1,406,505,000                                 
  securities—held-to-maturity, fair value 260,918 and 262,188, respectively                             262,645,000                                 
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at march 31, 2018 and december 31, 2017                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 32,346,745 shares issued and outstanding at march 31, 2018; 32,626,456 shares issued and outstanding at december 31, 2017                             1,171,914,000                                 
  common stock (non-voting) and paid in capital- 0.01 par value per share, 5,000,000 shares authorized; 76,928 shares issued and outstanding at march 31, 2018; 100,029 shares issued and outstanding at december 31, 2017                             1,046,000                                 
  securities—trading, amortized cost 27,246 and 30,154, respectively                              22,318,000                                
  securities—available-for-sale, amortized cost 926,112 and 811,847, respectively                              919,485,000                                
  securities—held-to-maturity, fair value 262,188 and 270,528, respectively                              260,271,000                                
  advances from fhlb at fair value                              202,000 263,349,000 50,212,000 213,000 54,216,000 62,342,000 325,383,000 75,400,000 133,381,000 16,435,000 236,000 250,000 32,250,000 250,000 45,251,000 48,351,000 27,250,000 20,258,000 54,262,000 278,000 10,304,000 10,367,000 43,523,000 46,833,000 255,806,000 115,946,000 111,415,000 182,496,000     
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares issued and outstanding at december 31, 2017 and december 31, 2016                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized, 32,626,456 shares issued and outstanding at december 31, 2017; 33,108,599 shares issued and outstanding at december 31, 2016                              1,185,919,000                                
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; 100,029 shares issued and outstanding at december 31, 2017; 84,788 shares issued and outstanding at december 31, 2016                              1,208,000                                
  securities—trading, amortized cost 28,663 and 30,154, respectively                               23,466,000                               
  securities—available-for-sale, amortized cost 1,338,863 and 806,336, respectively                               1,339,057,000                               
  securities—held-to-maturity, fair value 268,663 and 270,528, respectively                               264,752,000                               
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at september 30, 2017 and december 31, 2016                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 33,154,755 shares issued and outstanding at september 30, 2017; 33,108,599 shares issued and outstanding at december 31, 2016                               1,214,547,000                               
  common stock (non-voting) and paid in capital- 0.01 par value per share, 5,000,000 shares authorized; 100,029 shares issued and outstanding at september 30, 2017; 84,788 shares issued and outstanding at december 31, 2016                               935,000                               
  liability for common stock issued to deferred, stock related, compensation plans                               7,283,000 7,283,000 7,283,000 7,283,000 7,241,000 7,286,000 7,310,000 6,928,000 6,833,000 6,993,000 6,950,000 6,669,000    7,063,000    7,242,000  8,459,000 8,724,000 9,066,000 8,820,000 8,808,000 8,526,000 7,847,000 7,856 7,499,000  
  securities—trading, amortized cost 30,221 and 30,154, respectively                                24,950,000                              
  securities—available-for-sale, amortized cost 1,290,189 and 806,336, respectively                                1,290,159,000                              
  securities—held-to-maturity, fair value 272,089 and 270,528, respectively                                268,050,000                              
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at june 30, 2017 and december 31, 2016                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 33,178,914 shares issued and outstanding at june 30, 2017; 33,108,599 shares issued and outstanding at december 31, 2016                                1,214,578,000                              
  common stock (non-voting) and paid in capital- 0.01 par value per share, 5,000,000 shares authorized; 99,117 shares issued and outstanding at june 30, 2017; 84,788 shares issued and outstanding at december 31, 2016                                738,000                              
  securities—trading, amortized cost 30,187 and 30,154, respectively                                 24,753,000                             
  securities—available-for-sale, amortized cost 1,226,747 and 806,336, respectively                                 1,223,764,000                             
  securities—held-to-maturity, fair value 269,402 and 270,528, respectively                                 266,391,000                             
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at march 31, 2017 and december 31, 2016                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 33,091,948 shares issued and outstanding at march 31, 2017; 33,108,599 shares issued and outstanding at december 31, 2016                                 1,214,045,000                             
  common stock (non-voting) and paid in capital- 0.01 par value per share, 5,000,000 shares authorized; 60,916 shares issued and outstanding at march 31, 2017; 84,788 shares issued and outstanding at december 31, 2016                                 472,000                             
  securities—trading, amortized cost 30,154 and 39,344, respectively                                  24,568,000                            
  securities—available-for-sale, amortized cost 806,336 and 1,139,740, respectively                                  800,917,000                            
  securities—held-to-maturity, fair value 270,528 and 226,627, respectively                                  267,873,000                            
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares issued and outstanding at december 31, 2016 and december 31, 2015                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized, 33,108,599 shares issued and outstanding at december 31, 2016; 32,817,789 shares issued and outstanding at december 31, 2015                                  1,213,225,000                            
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; 84,788 shares issued and outstanding at december 31, 2016; 1,424,466 shares issued and outstanding at december 31, 2015                                  612,000                            
  securities—trading, amortized cost 36,119 and 39,344, respectively                                   30,889,000                           
  securities—available-for-sale, amortized cost 993,913 and 1,139,740, respectively                                   1,006,414,000                           
  securities—held-to-maturity, fair value 283,303 and 226,627, respectively                                   271,975,000                           
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at september 30, 2016 and december 31, 2015                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 33,778,833 shares issued and outstanding at september 30, 2016; 32,817,789 shares issued and outstanding at december 31, 2015                                   1,241,816,000                           
  common stock (non-voting) and paid in capital- 0.01 par value per share, 5,000,000 shares authorized; 88,478 shares issued and outstanding at september 30, 2016; 1,424,466 shares issued and outstanding at december 31, 2015                                   1,389,000                           
  securities—trading, amortized cost 38,887 and 39,344, respectively                                    33,753,000                          
  securities—available-for-sale, amortized cost 1,159,863 and 1,139,740, respectively                                    1,177,757,000                          
  securities—held-to-maturity, fair value 267,501 and 226,627, respectively                                    254,666,000                          
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at june 30, 2016 and december 31, 2015                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 33,454,666 shares issued and outstanding at june 30, 2016; 32,817,789 shares issued and outstanding at december 31, 2015                                    1,223,470,000                          
  common stock (non-voting) and paid in capital- 0.01 par value per share, 5,000,000 shares authorized; 895,894 shares issued and outstanding at june 30, 2016; 1,424,466 shares issued and outstanding at december 31, 2015                                    39,615,000                          
  securities—trading, amortized cost 39,155 and 39,344, respectively                                     33,994,000                         
  securities—available-for-sale, amortized cost 1,186,995 and 1,139,740, respectively                                     1,199,279,000                         
  securities—held-to-maturity, fair value 255,823 and 226,627, respectively                                     246,320,000                         
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at march 31, 2016 and december 31, 2015                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 32,830,675 shares issued and outstanding at march 31, 2016; 32,817,789 shares issued and outstanding at december 31, 2015                                     1,197,306,000                         
  common stock (non-voting) and paid in capital- 0.01 par value per share, 5,000,000 shares authorized; 1,390,776 shares issued and outstanding at march 31, 2016; 1,424,466 shares issued and outstanding at december 31, 2015                                     64,744,000                         
  securities—trading, amortized cost 39,344 and 47,480, respectively                                      34,134,000                        
  securities—available-for-sale, amortized cost 1,139,740 and 411,424, respectively                                      1,138,573,000                        
  securities—held-to-maturity, fair value 226,627 and 137,608, respectively                                      220,666,000                        
  income tax receivable                                      1,607,000   2,462,000   166,000 1,163,000 9,728,000 10,964,000               
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares issued and outstanding at december 31, 2015 and december 31, 2014                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized, 32,817,789 shares issued and outstanding at december 31, 2015; 19,571,548 shares issued and outstanding at december 31, 2014                                      1,193,270,000                        
  common stock (non-voting) and paid in capital - 0.01 par value per share, 5,000,000 shares authorized; 1,424,466 shares issued and outstanding at december 31, 2015; no shares issued and outstanding at december 31, 2014                                      67,904,000                        
  securities—trading, amortized cost 42,716 and 47,480, respectively                                       37,515,000                       
  securities—available-for-sale, amortized cost 416,731 and 411,424, respectively                                       418,254,000                       
  securities—held-to-maturity, fair value 138,255 and 137,608, respectively                                       132,150,000                       
  loans receivable:                                                              
  held for sale                                       3,136,000 1,154,000 9,419,000 2,786,000 6,949,000 7,322,000 3,239,000 2,734,000 8,394,000 6,393,000 5,384,000 11,920,000 6,898,000 3,492,000          
  held for portfolio                                       4,369,458,000 4,245,322,000 4,105,399,000 3,831,034,000 3,799,746,000 3,755,277,000 3,519,673,000 3,415,711,000 3,267,042,000 3,283,808,000 3,234,937,000 3,223,794,000 3,206,625,000 3,399,625,000 3,494,557,000 3,891,413,000 3,904,704,000 3,953,995,000 3,966,482,000 3,805,021,000 3,617,130 3,610,174,000  
  goodwill and other intangibles                                       26,605,000 26,891,000 27,258,000             11,718,000 12,365,000 13,716,000 86,205,000 137,654,000 128,868 129,126,000  
  stockholders’ equity                                                              
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at september 30, 2015 and december 31, 2014                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 20,962,300 shares issued and outstanding at september 30, 2015; 19,571,548 shares issued and outstanding at december 31, 2014                                       628,958,000                       
  common stock (non-voting) - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at september 30, 2015; and december 31, 2014                                                              
  interest income:                                                              
  mortgage-backed securities                                       1,307,000 1,275,000 1,027,000 5,779,000 1,459,000 1,446,000 1,471,000 5,168,000 1,281,000 1,394,000 1,172,000 4,176,000 1,089,000 4,045,000 972,000 1,422,000 1,569,000 4,639,000    1,535,000  
  securities and cash equivalents                                       1,737,000 1,723,000 1,677,000 7,341,000 1,809,000 1,895,000 1,892,000 7,340,000 1,803,000 1,885,000 1,847,000 8,664,000 2,132,000 8,253,000   2,089,000 11,308,000    1,829,000  
  interest expense:                                                              
  deposits                                       1,738,000 1,768,000 1,733,000 7,578,000 1,903,000 1,910,000 1,964,000 9,737,000 2,330,000 2,490,000 2,719,000 15,107,000 3,536,000 52,320,000 12,301,000 20,818,000 21,638,000 110,314,000    32,378,000 -336,000 
  fhlb advances                                       4,000 3,000 17,000 125,000 20,000 51,000 38,000 99,000 28,000 40,000 24,000 254,000 64,000 1,318,000 323,000 630,000 675,000 5,407,000      
  junior subordinated debentures                                       816,000 800,000 740,000 2,914,000 734,000 726,000 721,000 2,968,000 742,000 742,000 741,000 3,395,000 805,000 4,226,000 1,100,000 1,118,000 1,249,000 7,353,000      
  net interest income before benefit from loan losses                                       52,188,000 51,457,000 46,536,000 179,872,000 47,064,000 43,808,000 42,339,000 166,716,000 41,893,000 42,248,000 40,968,000 167,648,000 42,698,000 157,770,000 39,922,000 36,352,000 34,925,000 147,553,000    38,110,000  
  benefit from loan losses                                                  13,000,000 3,000,000 70,000,000 20,000,000 25,000,000 45,000,000 62,500,000    1,400,000  
  net interest income                                       52,188,000 51,457,000 46,536,000 179,872,000 47,064,000 43,808,000 42,339,000 166,716,000 41,893,000 42,248,000 40,968,000 154,648,000 39,698,000 87,770,000 19,922,000 11,352,000  85,053,000    36,710,000  
  other operating income:                                                              
  deposit fees and other service charges                                       9,746,000 9,563,000 8,126,000 30,553,000 8,289,000 7,346,000 6,602,000 26,581,000 6,982,000 6,628,000 6,301,000 25,266,000 6,681,000 22,009,000 5,702,000 5,705,000 5,408,000 21,540,000    4,090,000  
  mortgage banking operations                                       4,426,000 4,703,000 4,109,000 10,249,000 2,842,000 2,600,000 1,840,000 11,170,000 2,590,000 3,574,000 2,838,000 12,940,000 3,397,000 6,370,000 2,519,000 2,065,000 2,860,000 6,045,000    1,808,000  
  miscellaneous                                       1,039,000 1,106,000 921,000 2,957,000 761,000 644,000 636,000 3,484,000 920,000 664,000 790,000 4,697,000 1,146,000 2,302,000 919,000 768,000 412,000 1,185,000    592,000  
  gain on sale of securities                                           6,000  35,000 1,022,000 2,000 12,000 1,006,000 51,000 19,000           
  net change in valuation of financial instruments carried at fair value                                        797,000 1,050,000 1,374,000 1,452,000 464,000       473,000 1,747,000 1,366,000 4,633,000 11,049,000 9,156,000    -1,877,000  
  acquisition bargain purchase gain                                          9,079,000  9,079,000                  
  total other operating income                                       14,098,000 16,141,000 13,696,000 54,254,000 13,350,000 20,133,000 8,858,000 43,342,000 10,142,000 10,623,000 9,997,000 26,902,000 11,684,000 29,148,000 7,652,000 13,453,000 19,977,000 39,889,000    4,986,000  
  other operating expenses:                                                              
  salary and employee benefits                                       27,026,000 26,744,000 24,287,000 89,778,000 22,971,000 22,330,000 21,156,000 84,388,000 21,244,000 21,224,000 20,729,000 78,696,000 19,614,000 67,490,000 17,093,000 17,379,000 17,528,000 76,104,000    19,635,000  
  less capitalized loan origination costs                                                        -8,739,000    -3,175,000  
  occupancy and equipment                                       6,470,000 6,357,000 6,006,000 22,743,000 5,819,000 5,540,000 5,696,000 21,423,000 5,317,000 5,415,000 5,329,000 21,812,000 5,811,000 22,232,000 5,546,000 5,715,000 5,928,000 24,010,000    5,106,000  
  information/computer data services                                       2,219,000 2,273,000 2,253,000 8,131,000 2,131,000 1,918,000 1,935,000 7,309,000 1,710,000 1,923,000 1,720,000 6,904,000 1,807,000 6,132,000 1,501,000 1,551,000 1,599,000 6,698,000    1,767,000  
  payment and card processing expenses                                       4,168,000 3,742,000 3,016,000 11,460,000 3,201,000 2,746,000 2,515,000 9,870,000 2,530,000 2,449,000 2,305,000 8,604,000 2,335,000 7,067,000 2,018,000 1,778,000 1,555,000 6,993,000      
  professional services                                       951,000 721,000 814,000 3,753,000 784,000 1,109,000 1,038,000 4,331,000 1,074,000 820,000 905,000 4,411,000 993,000 6,401,000 1,500,000 1,456,000 1,183,000 4,378,000    723,000  
  advertising and marketing                                       1,959,000 2,198,000 1,610,000 6,266,000 2,454,000 1,370,000 1,057,000 6,885,000 1,556,000 1,798,000 1,499,000 7,215,000 1,897,000 7,457,000 2,025,000 1,899,000 2,207,000 6,676,000      
  deposit insurance                                       713,000 625,000 567,000 2,415,000 607,000 637,000 576,000 2,329,000 564,000 617,000 645,000 3,685,000 791,000 8,622,000 2,282,000 2,219,000 4,102,000 3,969,000      
  state/municipal business and use taxes                                       475,000 455,000 453,000 1,437,000 475,000 388,000 159,000 1,941,000 461,000 538,000 464,000 2,289,000 582,000 2,259,000 630,000 558,000 532,000 2,257,000      
  reo operations                                        167,000 24,000    39,000     3,354,000  26,025,000 11,757,000         
  amortization of core deposit intangibles                                       286,000 367,000 616,000 1,990,000 531,000 450,000 479,000 1,941,000 471,000 477,000 505,000 2,092,000 508,000 2,459,000 600,000   2,828,000      
  acquisition-related costs                                       2,207,000 3,885,000 1,648,000                     
  total other operating expenses                                       46,697,000 47,734,000 41,914,000 153,741,000 38,495,000 38,435,000 35,581,000 140,975,000 34,490,000 35,457,000 34,099,000 141,453,000 33,355,000 160,801,000 46,328,000 36,629,000 36,891,000 260,020,000    31,299,000  
  income before benefit from income taxes                                       19,589,000 19,864,000 18,318,000 80,385,000 21,919,000 25,506,000 15,616,000 69,083,000 17,545,000 17,414,000 16,866,000 40,097,000 18,027,000     -135,078,000    10,397,000  
  benefit from income taxes                                       6,642,000 6,615,000 6,184,000 26,220,000 7,076,000 8,499,000 5,046,000 22,528,000 5,880,000 5,661,000 5,284,000  2,407,000 18,013,000 23,988,000   -7,085,000    3,286,000  
  net income                                       12,947,000 13,249,000 12,134,000 54,165,000 14,843,000 17,007,000 10,570,000 46,555,000 11,665,000 11,753,000 11,582,000 64,882,000 15,620,000     -127,993,000    7,111,000  
  earnings per common share:                                                              
  basic                                       620 640 610 2,800 770 880 550 2,400 600 610 600 3,170 800     -7,940    490  
  diluted                                       620 640 610 2,790 760 880 540 2,400 600 600 600 3,160 790     -7,940    480  
  cumulative dividends declared per common share                                       180 180 180 720 180 180 180 540 150 120 120 40  40    500      
  securities—trading, amortized cost 37,055 and 47,480, respectively                                        32,404,000                      
  securities—available-for-sale, amortized cost 387,521 and 411,424, respectively                                        387,876,000                      
  securities—held-to-maturity, fair value 137,267 and 137,608, respectively                                        132,197,000                      
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at june 30, 2015 and december 31, 2014                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 20,970,681 shares issued and outstanding at june 30, 2015; 19,571,548 shares issued and outstanding at december 31, 2014                                        628,327,000                      
  common stock (non-voting) - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at june 30, 2015; no shares issued and outstanding at december 31, 2014                                                              
  securities—trading, amortized cost 43,878 and 47,480, respectively                                         38,074,000                     
  securities—available-for-sale, amortized cost 393,831 and 411,424, respectively                                         395,607,000                     
  securities—held-to-maturity, fair value 140,499 and 137,608, respectively                                         133,649,000                     
  preferred stock - 0.01 par value per share, 500,000 shares authorized; no shares outstanding at march 31, 2015 and december 31, 2014                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized; 20,976,641 shares issued and outstanding at march 31, 2015; 19,571,548 shares issued and outstanding at december 31, 2014                                         627,553,000                     
  common stock (not-voting) - 0.01 par value per share, 5,000,000 shares authorized; no shares issued and outstanding at march 31, 2015; no shares issued and outstanding at december 31, 2014                                                              
  securities—trading, amortized cost 47,480 and 75,150, respectively                                          40,258,000                    
  securities—available-for-sale, amortized cost 411,424 and 474,960, respectively                                          411,021,000                    
  securities—held-to-maturity, fair value 137,608 and 103,610, respectively                                          131,258,000                    
  federal home loan bank stock                                          27,036,000    35,390,000    36,705,000 37,038,000 37,371,000    37,371,000  37,371,000 37,291 37,291,000  
  intangible assets                                          2,831,000 3,362,000 3,892,000 1,970,000 2,449,000 2,937,000 3,247,000 3,724,000 4,230,000 4,740,000 8,609,000          
  preferred stock - 0.01 par value, 500,000 shares authorized; no shares outstanding at december 31, 2014 and december 31, 2013                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized, 19,571,548 shares issued and outstanding at december 31, 2014; 19,543,769 shares issued and 19,509,429 shares outstanding at december 31, 2013                                          568,882,000                    
  unearned shares of common stock issued to employee stock ownership plan (esop) at cost: no shares outstanding at december 31, 2014 and 34,340 restricted shares outstanding at december 31, 2013                                                              
  net gain on sale of securities                                          42,000                    
  other-than-temporary impairment recovery                                              409,000   409,000             
  proposed acquisition termination fee                                              2,954,000                
  acquisition related costs                                          4,325,000  1,979,000                  
  preferred stock dividend and discount accretion                                                              
  preferred stock dividend                                                  4,938,000 1,227,000 6,200,000 1,550,000 1,550,000 1,550,000 689,000      
  preferred stock discount accretion                                                  3,298,000 1,216,000 1,593,000 398,000 373,000 373,000 161,000      
  gain on repurchase of preferred stock                                                              
  net income available to common shareholders                                          54,165,000    46,555,000 11,665,000 11,753,000 11,582,000 59,117,000 15,247,000     -128,843,000      
  earnings per common share                                                              
  securities—trading, amortized cost 58,390 and 75,150, respectively                                           51,076,000                   
  securities—available-for-sale, amortized cost 435,272 and 474,960, respectively                                           433,745,000                   
  securities—held-to-maturity, fair value 138,754 and 103,610, respectively                                           133,069,000                   
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized, 19,571,505 shares issued and outstanding at september 30, 2014; 19,543,769 shares issued and 19,509,429 shares outstanding at december 31, 2013                                           568,255,000                   
  unearned shares of common stock issued to employee stock ownership plan (esop) trust at cost: no shares outstanding at september 30, 2014 and 34,340 shares outstanding at december 31, 2013                                                              
  securities—trading, amortized cost 70,472 and 75,150, respectively                                            61,393,000                  
  securities—available-for-sale, amortized cost 455,232 and 474,960, respectively                                            455,353,000                  
  securities—held-to-maturity, fair value 138,065 and 103,610, respectively                                            133,186,000                  
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized, 19,568,704 shares issued and outstanding at june 30, 2014; 19,543,769 shares issued and 19,509,429 shares outstanding at december 31, 2013                                            567,483,000                  
  accumulated deficit                                                              
  unearned shares of common stock issued to employee stock ownership plan (esop) trust at cost: no shares outstanding at june 30, 2014 and 34,340 shares outstanding at december 31, 2013                                                              
  securities—trading, amortized cost 71,110 and 75,150, respectively                                             58,387,000                 
  securities—available-for-sale, amortized cost 466,866 and 474,960, respectively                                             464,657,000                 
  securities—held-to-maturity, fair value 112,409 and 103,610, respectively                                             109,567,000                 
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized, 19,576,535 shares issued and outstanding at march 31, 2014; 19,543,769 shares issued and 19,509,429 shares outstanding at december 31, 2013                                             566,964,000                 
  unearned shares of common stock issued to employee stock ownership plan (esop) trust at cost: no shares outstanding at march 31, 2014 and 34,340 shares outstanding at december 31, 2013                                                              
  securities—trading, amortized cost 75,150 and 90,339, respectively                                              62,472,000                
  securities—available-for-sale, amortized cost 474,960 and 469,650, respectively                                              470,280,000                
  securities—held-to-maturity, fair value 103,610 and 92,458, respectively                                              102,513,000                
  real estate owned, held for sale                                              4,044,000    15,778,000 20,356,000 100,872,000  53,576,000 56,967,000 21,782,000 11,390,000 1,867,000 3,072 1,700,000  
  interest-bearing transactions and savings accounts                                              1,629,885,000    1,547,271,000  1,433,248,000    1,137,878,000 1,216,217,000 1,288,112,000 1,299,232 1,307,680,000  
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized, 19,543,769 shares issued and 19,509,429 shares outstanding at december 31, 2013; 19,454,965 shares issued and 19,420,625 shares outstanding at december 31, 2012                                              569,028,000                
  unearned shares of common stock issued to employee stock ownership plan (esop) at cost: 34,340 restricted shares outstanding at december 31, 2013 and 2012                                                              
  total interest income                                              179,712,000                
  total interest expense                                              12,996,000                
  securities—trading, amortized cost 76,525 and 90,339, respectively                                               63,887,000               
  securities—available-for-sale, amortized cost 481,867 and 469,650, respectively                                               477,407,000               
  securities—held-to-maturity, fair value 98,401 and 92,458, respectively                                               96,545,000               
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized, 19,543,050 shares issued and 19,508,710 shares outstanding at september 30, 2013; 19,454,965 shares issued and 19,420,625 shares outstanding at december 31, 2012                                               568,535,000               
  unearned shares of common stock issued to employee stock ownership plan (esop) trust at cost: 34,340 restricted shares outstanding at september 30, 2013 and december 31, 2012                                                              
  preferred stock dividend, discount accretion and gains                                                              
  securities—trading, amortized cost 0 and 0, respectively                                                65,524,000              
  securities—available-for-sale, amortized cost 0 and 0, respectively                                                469,137,000              
  securities—held-to-maturity, fair value 0 and 0, respectively                                                94,336,000              
  income taxes                                                37,592,000 34,242,000             
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized, 19,553,189 shares issued and 19,518,849 shares outstanding at june 30, 2013; 19,454,965 shares issued and 19,420,625 shares outstanding at december 31, 2012                                                568,408,000              
  unearned shares of common stock issued to employee stock ownership plan (esop) trust at cost: 34,340 restricted shares outstanding at june 30, 2013 and december 31, 2012                                                              
  securities—trading, amortized cost 80,193 and 90,339, respectively                                                 67,761,000             
  securities—available-for-sale, amortized cost 473,908 and 469,650, respectively                                                 476,683,000             
  securities—held-to-maturity, fair value 93,785 and 92,458, respectively                                                 88,408,000             
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized, 19,462,483 shares issued and 19,428,143 shares outstanding at march 31, 2013; 19,454,965 shares issued and 19,420,625 shares outstanding at december 31, 2012                                                 568,116,000             
  unearned shares of common stock issued to employee stock ownership plan (esop) trust at cost: 34,340 restricted shares outstanding at march 31, 2013 and december 31, 2012                                                              
  securities—trading, amortized cost 90,339 and 112,663, respectively                                                  71,232,000            
  securities—available-for-sale, amortized cost 469,650 and 462,579, respectively                                                  472,920,000            
  securities—held-to-maturity, fair value 92,458 and 80,107, respectively                                                  86,452,000            
  preferred stock - 0.01 par value, 500,000 shares authorized; series a – liquidation preference 1,000 per share, no shares outstanding at december 31, 2012 and 124,000 outstanding at december 31, 2011                                                              
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized, 19,454,965 shares issued: 19,420,625 shares and 17,519,132 shares outstanding at december 31, 2012 and 2011, respectively                                                  567,907,000            
  unearned shares of common stock issued to employee stock ownership plan (esop) trust at cost:                                                              
  34,340 restricted shares outstanding at december 31, 2012 and 2011                                                              
  loan servicing fees, net of amortization and impairment                                                  872,000 377,000 951,000          
  securities—trading, amortized cost 92,017 and 112,663, respectively                                                   72,593,000           
  securities—available-for-sale, amortized cost 456,228 and 462,579, respectively                                                   459,958,000           
  securities—held-to-maturity, fair value 95,176 and 80,107, respectively                                                   88,626,000           
  preferred stock - 0.01 par value, 500,000 shares authorized; series a – liquidation preference 1,000 per share, 73,416 and 124,000 shares issued and outstanding at september 30, 2012 and december 31, 2011, respectively                                                   72,242,000           
  common stock and paid in capital - 0.01 par value per share, 50,000,000 shares authorized, 19,454,879 shares issued: 19,420,539 shares and 17,519,132 shares outstanding at september 30, 2012 and december 31, 2011, respectively                                                   567,659,000           
  unearned shares of common stock issued to employee stock ownership plan (esop) trust at cost 34,340 restricted shares outstanding at september 30, 2012 and december 31, 2011                                                              
  gain on repurchase and retirement of preferred stock                                                              
  cumulative dividends declared per common share:                                                   10  10 10 10     190  
  securities—trading, amortized cost 128,070 and 192,853, respectively                                                    95,379,000          
  securities—available-for-sale, amortized cost 199,058 and 95,174, respectively                                                    200,227,000          
  securities—held-to-maturity, fair value 73,916 and 76,489, respectively                                                    72,087,000          
  deferred income tax asset                                                      8,516,000 8,942,000 5,528,000 1,998,000  3,660 4,764,000  
  income taxes receivable                                                    12,981,000 12,981,000 20,913,000 15,212,000 9,675,000 3,652,000 1,610,000    
  preferred stock - 0.01 par value, 500,000 shares authorized;                                                              
  series a – liquidation preference 1,000 per share, 124,000 shares issued and outstanding                                                    119,000,000          
  common stock and paid in capital - 0.01 par value per share, 200,000,000 shares authorized, 113,153,465 shares issued: 112,913,084 shares and 21,299,209 shares outstanding at december 31, 2010 and 2009, respectively                                                    509,457,000          
  240,381 restricted shares outstanding at december 31, 2010 and 2009                                                              
  other-than-temporary impairment losses                                                              
  goodwill write-off                                                        121,121,000      
  securities—trading, cost 133,468 and 192,853, respectively                                                     101,760,000         
  securities—available-for-sale, cost 151,694 and 95,174, respectively                                                     153,903,000         
  securities—held-to-maturity, fair value 72,098 and 76,489, respectively                                                     66,929,000         
  held for sale, fair value 3,599 and 4,534, respectively                                                     3,545,000         
  preferred stock - 0.01 par value, 500,000 shares authorized; series a – liquidation preference                                                              
  1,000 per share, 124,000 shares issued and outstanding                                                     118,602,000 117,034,000 116,661,000       
  common stock and paid in capital - 0.01 par value per share, 200,000,000 shares authorized, 111,461,893 shares issued: 111,221,512 shares and 21,299,209 shares outstanding at september 30, 2010 and december 31, 2009, respectively                                                     506,418,000         
  accumulated other comprehensive income:                                                              
  unrealized gain on securities available-for-sale and/or transferred to held-to-maturity                                                     1,381,000         
  240,381 restricted shares outstanding at september 30, 2010 and december 31, 2009                                                              
  other securities and cash equivalents                                                     2,116,000 1,976,000        
  loan servicing fees                                                     146,000 282,000 248,000 1,963,000    373,000  
  securities—trading, cost 211,548 and 245,274, respectively                                                      167,944,000        
  securities—available-for-sale, cost 73,305 and 52,190, respectively                                                      74,527,000        
  securities—held-to-maturity, fair value 79,266 and 60,530, respectively                                                      76,630,000        
  held for sale, fair value 4,835 and 7,540, respectively                                                      4,781,000        
  common stock - 0.01 par value per share, 75,000,000 shares authorized, 19,933,943 shares issued: 19,693,562 shares and 16,911,657 shares outstanding at september 30, 2009 and december 31, 2008, respectively                                                      327,385,000        
  unrealized gain on securities available for sale and/or transferred to held to maturity                                                      703,000 62,000       
  240,381 restricted shares outstanding at september 30, 2009 and december 31, 2008                                                              
  real estate owned expenses                                                      2,799,000 1,805,000       
  earnings                                                              
  securities—trading, cost 213,762 and 245,274, respectively                                                       167,476,000       
  securities—available-for-sale, cost 50,506 and 52,190, respectively                                                       50,980,000       
  securities—held-to-maturity, fair value 77,478 and 60,530, respectively                                                       77,321,000       
  held for sale, fair value 8,480 and 7,540, respectively                                                       8,377,000       
  common stock - 0.01 par value per share, 25,000,000 shares authorized, 18,426,458 shares issued: 18,186,077 shares and 16,911,657 shares outstanding at june 30, 2009 and december 31, 2008, respectively                                                       322,582,000       
  240,381 restricted shares outstanding at june 30, 2009 and december 31, 2008                                                              
  assets                                                              
  securities—trading, cost 245,274 and 204,279, respectively                                                        203,902,000      
  securities—available-for-sale, cost 52,190 and none, respectively                                                        53,272,000      
  securities—held-to-maturity, fair value 60,530 and 54,721, respectively                                                        59,794,000      
  held for sale, fair value 7,540 and 4,680, respectively                                                        7,413,000      
  deferred income tax liability                                                          2,595,000    
  preferred stock - 0.01 par value, 500,000 shares authorized, none issued                                                              
  preferred stock - series a – liquidation preference 1,000 per share, 124,000 shares authorized and issued                                                        115,915,000      
  common stock - 0.01 par value per share, 25,000,000 shares authorized, 17,152,038 shares issued: 16,911,657 shares and 16,025,768 shares outstanding at december 31, 2008 and 2007, respectively                                                        316,740,000      
  unrealized loss on securities available for sale and/or transferred to held to maturity                                                        572,000   -189 -202,000  
  unearned shares of common stock issued to employee stock ownership plan (esop) trust at cost: 240,381 and 240,381 restricted shares outstanding at december 31, 2008 and 2007, respectively                                                        -1,987,000      
  insurance recovery, net proceeds                                                              
  securities at fair value, cost 250,046 and 204,279, respectively                                                         238,670,000     
  securities held to maturity, fair value 56,515 and 55,010, respectively                                                         55,612,000     
  held for sale, fair value 6,898 and 4,680, respectively                                                         6,817,000     
  common stock - 0.01 par value per share, 25,000,000 shares authorized, 16,305,282 shares issued: 16,064,901 shares and 16,025,768 shares outstanding at june 30, 2008 and december 31, 2007, respectively                                                         299,425,000     
  unrealized loss on securities available for sale transferred to held to maturity                                                              
  240,381 and 240,381 restricted shares outstanding at june 30, 2008 and december 31, 2007, respectively                                                              
  securities at fair value, cost 204,279 and 0, respectively;                                                              
  encumbered 0 and 0, respectively                                                          202,863,000    
  securities available for sale, cost 0 and 230,189, respectively;                                                              
  encumbered 0 and 27,107, respectively                                                              
  securities held to maturity, fair value 55,010 and 49,008, respectively                                                          53,516,000    
  held for sale, fair value 4,680 and 5,136                                                          4,596,000    
  deposits :                                                              
  advances from federal home loan bank                                                             -20,000,000 
  advances from federal home loan bank at fair value                                                          167,045,000 24,577 33,826,000  
  income taxes payable                                                           5,163 7,501,000  
  common stock - 0.01 par value per share, 25,000,000 shares authorized, 16,266,149 shares issued: 16,025,768 shares and 12,073,889 shares outstanding at december 31, 2007 and december 31, 2006, respectively                                                          300,486,000    
  240,381 and 240,381 restricted shares outstanding at december 31, 2007 and december 31, 2006, respectively                                                          -1,987,000    
  advertising & marketing                                                              
  state business and use taxes                                                              
  fhlb prepayment penalties                                                              
  securities at fair value, cost 160,767 and 0, respectively; encumbered 0 and 0, respectively                                                           158,932   
  securities available for sale, cost 0 and 230,189, respectively; encumbered 0 and 27,107, respectively                                                              
  securities held to maturity, fair value 53,352 and 49,008, respectively                                                           53,259   
  held for sale, fair value 4,176 and 5,136                                                           4,121   
  stockholders' equity                                                              
  common stock - 0.01 par value per share, 25,000,000 shares authorized, 15,821,067 shares issued:                                                              
  15,580,686 shares and 12,073,889 shares outstanding at september 30, 2007 and december 31, 2006, respectively                                                           282,636   
  240,381 and 240,381 restricted shares outstanding at september 30, 2007 and december 31, 2006, respectively                                                           -1,987   
  securities at fair value, cost 186,625 and 0, respectively; encumbered 0 and 0, respectively                                                            182,969,000  
  securities held to maturity, fair value 48,928 and 49,008, respectively                                                            48,196,000  
  held for sale, fair value 8,269 and 5,136                                                            8,178,000  
  common stock - 0.01 par value per share, 25,000,000 shares authorized, 13,201,418 shares issued:                                                              
  15,440,105 shares and 12,073,889 shares outstanding at june 30, 2007 and december 31, 2006, respectively                                                            278,447,000  
  240,381 and 240,381 restricted shares outstanding at june 30, 2007 and december 31, 2006, respectively                                                            -1,987,000  
  federal home loan bank advances                                                            1,164,000  
  advertising                                                            1,867,000  
  date of acquisition                                                              
  new shares issued in acquisition                                                             1,773,402,000 
  cash paid to shareholders                                                             19,404,000 
  total value of banner’s common stock exchanged with acquiree’s shareholders                                                             78,030,000 
  transaction closing costs                                                             756,000 
  total purchase price                                                             98,190,000 
  allocation of purchase price                                                              
  acquisitions’ equity                                                             32,987,000 
  adjustments to record assets and liabilities at estimated fair value                                                              
  loans                                                             -195,000 
  premises and equipment                                                             3,315,000 
  core deposit intangible                                                             10,867,000 
  deferred taxes                                                             -4,916,000 
  estimated fair value of net assets acquired                                                             41,722,000 
  goodwill resulting from acquisition                                                             56,468,000 
  the fair value of assets and liabilities of acquired institutions at the date of acquisition follows:                                                              
  cash                                                             12,056,000 
  securities –available for sale                                                             6,768,000 
  federal funds sold and interest bearing deposits at banks                                                             137,000 
  loans-net of allowance for loan losses of 4,528, 1,429 and 1,319, respectively                                                             389,290,000 
  boli                                                             8,662,000 
  federal funds purchased and other borrowings                                                             -19,625,000 
  other liabilities                                                             -17,011,000 
  net assets acquired                                                             98,190,000 

We provide you with 20 years of balance sheets for Banner stock, allowing you to gain comprehensive visibility into the fundamentals of the company. Our detailed breakdowns include key financial metrics such as asset and liabilities, payables and receivables, long debts and short debts, cash and inventories, expenses and profits. This in-depth information is essential for making informed investment decisions and understanding the financial health and performance of Banner. Explore the full financial landscape of Banner stock with our expertly curated balance sheets.

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