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Prosperity Bancshares, Inc
(NYSE:PB) 

PB stock logo

Prosperity Bancshares, Inc. operates as bank holding company for the Prosperity Bank that provides retail and commercial banking services to businesses and consumers. It accepts various deposit products, such as demand, savings, money market, and time accounts; and certificates of deposit. The compa...

Founded: 1983
Full Time Employees: 3,716
Sector: Financial Services
Industry: Banks-Regional

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At a glance:
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Quarterly
Annual
    Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 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 2018-06-30 2018-03-31 2017-06-30 2017-03-31 2015-03-31 2014-09-30 2014-03-31 2013-09-30 2013-06-30 
                                        
      interest income:
                                        
      loans, including fees
    321,516,000 329,445,000 325,490,000 319,023,000 333,055,000 337,451,000 336,428,000 306,228,000 306,562,000 308,678,000 286,638,000 247,118,000 235,126,000 210,268,000 192,770,000 206,209,000 213,821,000 216,803,000 233,075,000 241,625,000 244,255,000 242,772,000 247,243,000 222,910,000 134,943,000 133,525,000 130,065,000 128,445,000 116,246,000 114,975,000 111,710,000 124,878,000 140,521,000 107,144,000 94,236,000 89,842,000 
      securities
    56,767,000 58,207,000 57,836,000 57,886,000 58,260,000 59,617,000 62,428,000 66,421,000 68,077,000 69,987,000 72,053,000 73,185,000 72,533,000 68,761,000 64,111,000 46,857,000 46,217,000 43,708,000 38,677,000 36,721,000 38,033,000 43,776,000 48,282,000 49,348,000 50,872,000 53,944,000 55,648,000 55,577,000 54,457,000 52,912,000 53,157,000 48,562,000 46,910,000 47,056,000 41,961,000 39,384,000 
      federal funds sold and other earning assets
    8,364,000 10,455,000 9,438,000 15,896,000 19,630,000 20,835,000 14,095,000 9,265,000 1,793,000 1,689,000 1,757,000 7,006,000 933,000 525,000 925,000 563,000 302,000 340,000 351,000 301,000 144,000 45,000 713,000 600,000 363,000 318,000 402,000 299,000         
      total interest income
    386,647,000 398,107,000 392,764,000 392,805,000 410,945,000 417,903,000 412,951,000 381,914,000 376,432,000 380,354,000 360,448,000 327,309,000 308,592,000 279,554,000 257,806,000 253,629,000 260,340,000 260,851,000 272,103,000 278,647,000 282,432,000 286,593,000 296,238,000 272,858,000 186,178,000 187,787,000 186,115,000 184,321,000 171,018,000 168,047,000 165,050,000 173,605,000 187,466,000 154,248,000 136,213,000 129,302,000 
      interest expense:
                                        
      deposits
    94,625,000 95,965,000 93,790,000 95,597,000 102,050,000 107,758,000 106,124,000 92,692,000 84,969,000 76,069,000 63,964,000 47,343,000 36,048,000 14,669,000 8,641,000 8,685,000 11,578,000 15,288,000 17,362,000 19,757,000 22,458,000 25,269,000 35,018,000 32,759,000 26,939,000 26,562,000 25,128,000 16,061,000 14,472,000 11,441,000 9,908,000 9,577,000 10,240,000 9,387,000 8,314,000 9,170,000 
      other borrowings
    16,028,000 27,613,000 30,101,000 30,492,000 39,620,000 46,792,000 46,282,000 48,946,000 52,386,000 62,190,000 57,351,000 34,396,000 14,682,000 3,719,000 450,000     33,000 52,000 533,000 2,932,000 6,115,000 4,335,000 5,556,000 5,317,000 6,046,000 2,973,000 4,040,000 2,476,000 129,000 225,000 158,000 439,000 472,000 
      securities sold under repurchase agreements
    1,041,000 1,094,000 1,151,000 1,334,000 1,501,000 1,662,000 1,759,000 2,032,000 2,094,000 2,533,000 2,674,000 2,103,000 1,725,000 487,000 244,000 184,000 195,000 164,000 159,000 224,000 309,000 337,000 757,000 879,000 914,000 831,000 759,000 411,000 350,000 335,000 231,000 203,000 245,000 237,000 317,000 312,000 
      total interest expense
    111,694,000 124,672,000 125,042,000 127,423,000 143,171,000 156,212,000 154,165,000 143,670,000 139,449,000 140,830,000 123,989,000 83,842,000 52,455,000 18,875,000 9,335,000 8,869,000 11,773,000 15,452,000 17,521,000 21,013,000 24,319,000 27,638,000 40,207,000 40,828,000 32,188,000 32,949,000 31,204,000 22,518,000 17,795,000 15,816,000 12,615,000 10,700,000 11,809,000 10,557,000 9,680,000 10,560,000 
      net interest income
    274,953,000 273,435,000 267,722,000 265,382,000 267,774,000 261,691,000 258,786,000 238,244,000 236,983,000 239,524,000 236,459,000 243,467,000 256,137,000 260,679,000 248,471,000 244,760,000 248,567,000 245,399,000 254,582,000 257,634,000 258,113,000 258,955,000 256,031,000 232,030,000 153,990,000 154,838,000 154,911,000 161,803,000 153,223,000 152,231,000 152,435,000 162,905,000 175,657,000 143,691,000 126,533,000 118,742,000 
      benefit from credit losses
            4,635,000  18,540,000          10,000,000 10,000,000               
      net interest income after benefit from credit losses
    201,634,750 273,435,000  265,382,000     175,227,500 239,524,000 217,919,000 243,467,000   248,471,000   245,399,000 254,582,000 257,634,000 248,113,000 248,955,000 256,031,000              
      noninterest income:
                                        
      nonsufficient funds (nsf) fees
    9,715,000 9,805,000 8,885,000 9,147,000 9,960,000 9,016,000 8,153,000 8,288,000 8,365,000 8,719,000 8,512,000 8,095,000 8,519,000 8,887,000 8,484,000 8,401,000 7,962,000 6,560,000 6,687,000 8,051,000 7,156,000 5,645,000 9,443,000 9,990,000 8,835,000 7,973,000 7,816,000 7,828,000 7,827,000 7,805,000 8,089,000 7,918,000 9,734,000 8,870,000 8,649,000 8,346,000 
      credit card, debit card and atm card income
    9,462,000 9,446,000 9,761,000 8,739,000 9,443,000 9,620,000 9,384,000 8,861,000 9,314,000 9,285,000 9,206,000 8,666,000 8,816,000 8,889,000 8,880,000 8,894,000 8,837,000 8,918,000 8,031,000 8,193,000 8,315,000 7,263,000 7,474,000 7,728,000 6,688,000 6,480,000 5,971,000 6,335,000 5,961,000 6,186,000 5,953,000 5,638,000 5,921,000 4,724,000 4,307,000 7,007,000 
      service charges on deposit accounts
    7,618,000 7,317,000 7,645,000 7,408,000 6,992,000 6,664,000 6,436,000 6,406,000 6,316,000 6,262,000 6,078,000 5,926,000 5,932,000 6,222,000 6,365,000 6,237,000 6,115,000 6,062,000 5,978,000 6,046,000 5,920,000 5,790,000 6,104,000 5,597,000 5,020,000 4,989,000 4,998,000 5,150,000 5,275,000 5,405,000 5,421,000 4,179,000 4,255,000 4,037,000 3,169,000 3,304,000 
      trust income
    3,662,000 3,526,000 3,859,000 3,601,000 3,514,000 3,479,000 3,601,000 4,156,000 3,360,000 3,326,000 3,358,000 3,225,000 3,498,000 3,174,000 2,875,000 2,698,000 2,467,000 2,276,000 2,837,000 2,192,000 2,502,000 2,242,000 2,662,000 2,582,000 2,492,000 2,558,000 2,595,000 2,251,000 2,728,000 2,271,000 2,155,000 2,009,000 2,099,000 1,800,000 901,000 896,000 
      mortgage income
    954,000 931,000 965,000 1,009,000 779,000 962,000 745,000 610,000 542,000 857,000 661,000 238,000 102,000 340,000 502,000 685,000 1,396,000 2,914,000 3,307,000 3,989,000 2,958,000 1,820,000 2,010,000 2,455,000 839,000 990,000 722,000 1,109,000 763,000 1,107,000 1,266,000 1,148,000 1,414,000 593,000 931,000 1,567,000 
      brokerage income
    1,570,000 1,328,000 1,225,000 1,262,000 1,063,000 1,258,000 1,186,000 1,235,000 1,059,000 1,067,000 1,000,000 1,149,000 905,000 940,000 917,000 953,000 861,000 795,000 711,000 642,000 628,000 584,000 650,000 625,000 522,000 541,000 673,000 687,000 625,000 427,000 488,000 1,409,000 1,743,000 1,269,000   
      net gain on sale or write-down of assets
    35,000 3,000 1,414,000  584,000 3,178,000 -903,000 -35,000 517,500 -45,000 1,994,000 121,000 461,750 50,000 1,108,000                      
      net gain on sale or write-up of securities
         224,000 10,723,000                              
      other
    9,764,000 8,882,000 9,228,000 10,370,000 7,502,000 6,698,000 6,678,000 9,051,000 7,696,000 9,272,000 8,879,000 10,846,000 7,865,000 6,186,000 8,463,000 6,724,000 6,752,000 8,275,000 6,536,000 8,109,000 7,973,000 6,276,000 6,430,000 8,399,000 6,280,000 6,425,000 5,311,000 5,068,000 4,759,000 5,092,000 5,693,000 4,741,000 4,972,000 4,001,000 3,597,000 4,154,000 
      total noninterest income
    42,780,000 41,238,000 42,982,000 41,301,000 39,837,000 41,099,000 46,003,000 38,870,000 36,568,000 38,743,000 39,688,000 38,266,000 37,724,000 34,688,000 37,594,000 35,757,000 34,645,000 35,556,000 34,008,000 36,547,000 34,924,000 25,675,000 34,388,000 35,506,000 30,673,000 29,958,000 28,144,000 28,371,000 27,938,000 27,780,000 30,824,000 28,421,000 30,161,000 28,604,000 21,554,000 25,274,000 
      noninterest expense:
                                        
      salaries and employee benefits
    88,384,000 87,949,000 87,296,000 89,476,000 88,631,000 88,367,000 89,584,000 85,771,000 80,486,000 85,423,000 84,723,000 77,798,000 75,353,000 79,578,000 80,371,000 76,496,000 78,412,000 75,611,000 80,037,000 77,809,000 75,068,000 79,109,000 77,282,000 69,356,000 52,978,000 52,941,000 51,073,000 53,360,000 50,399,000 47,343,000 48,444,000 49,966,000 52,179,000 43,408,000 37,135,000 37,517,000 
      net occupancy and equipment
    9,379,000 9,395,000 9,168,000 9,146,000 8,957,000 9,291,000 8,915,000 8,623,000 9,093,000 9,464,000 8,935,000 8,025,000 8,147,000 8,412,000 8,039,000 8,140,000 8,165,000 8,046,000 7,833,000 8,223,000 8,644,000 9,190,000 8,980,000 7,420,000 5,607,000 5,492,000 5,466,000 5,692,000 5,609,000 5,460,000 5,503,000 5,964,000 6,801,000 5,339,000 5,094,000 4,669,000 
      credit and debit card, data processing and software amortization
    12,621,000 12,515,000 12,056,000 11,422,000 12,342,000 11,985,000 11,998,000 10,975,000 10,741,000 10,919,000 10,344,000 9,566,000 9,716,000 9,516,000 9,246,000 9,050,000 9,103,000 8,718,000 8,233,000 8,442,000 8,776,000 11,690,000 11,421,000 9,158,000 4,989,000 4,904,000 4,573,000 4,356,000 4,448,000 4,216,000 4,085,000 3,817,000     
      regulatory assessments and fdic insurance
    1,600,000 5,198,000 5,508,000 5,789,000 5,789,000 5,726,000 10,317,000 5,538,000 24,940,000 5,155,000 5,097,000 4,973,000 2,873,000 2,807,000 2,851,000 2,801,000 2,497,000 2,670,000 2,670,000 2,670,000 2,512,000 2,601,000 2,078,000 2,095,000 1,814,000 2,325,000 2,374,000 3,575,000 3,575,000 3,548,000 3,549,000 4,354,000 4,051,000 2,726,000 2,516,000 2,579,000 
      core deposit intangibles amortization
    3,589,000 3,602,000 3,610,000 3,641,000 4,131,000 4,146,000 4,156,000 3,237,000 3,559,000 3,576,000 3,167,000 2,374,000 2,558,000 2,577,000 2,581,000 2,855,000 2,878,000 2,887,000 2,931,000 3,243,000 3,270,000 3,293,000 3,363,000 2,705,000 1,248,000 1,265,000 1,319,000 1,501,000 1,568,000 1,719,000 1,915,000 2,489,000 2,598,000 2,045,000 1,455,000 1,341,000 
      depreciation
    5,155,000 4,966,000 4,779,000 4,774,000 4,791,000 4,741,000 4,836,000 4,686,000 4,607,000 4,585,000 4,658,000 4,433,000 4,438,000 4,436,000 4,539,000 4,518,000 4,524,000 4,513,000 4,540,000 4,261,000 4,605,000 4,598,000 4,768,000 4,212,000 3,286,000 3,111,000 3,104,000 3,054,000 3,033,000 3,051,000 3,103,000 2,916,000 3,516,000 3,201,000 2,679,000 2,464,000 
      communications
    3,528,000 3,480,000 3,507,000 3,473,000 3,450,000 3,360,000 3,485,000 3,402,000 3,572,000 3,686,000 3,693,000 3,462,000 3,506,000 3,374,000 3,206,000 3,134,000 3,013,000 2,982,000 2,899,000 2,931,000 3,027,000 3,324,000 3,195,000 3,012,000 2,214,000 2,183,000 2,270,000 2,606,000 2,580,000 2,664,000 2,702,000 2,809,000 2,960,000 2,737,000 2,397,000 2,410,000 
      net other real estate income
    81,250 233,000 -18,000 110,000 -355,000 -85,000 100,000 49,000 -258,250 -581,000 -497,000 45,000   209,000   -1,641,000 -643,000                  
      merger related expenses
    268,000 62,000    63,000 4,381,000  278,000 1,104,000 12,891,000 860,000          7,474,000 544,000              
      total noninterest expense
    138,712,000 138,635,000 138,565,000 140,301,000 141,545,000 140,338,000 152,842,000 135,848,000 152,171,000 135,657,000 145,870,000 123,000,000 119,244,000 122,214,000 122,878,000 119,538,000 119,815,000 115,191,000 119,076,000 120,205,000 117,919,000 134,368,000 124,741,000 156,451,000 80,699,000 80,821,000 78,571,000 83,602,000 80,054,000 76,442,000 78,062,000 79,462,000 85,510,000 71,034,000 61,537,000 61,300,000 
      income before income taxes
    179,021,000 176,038,000 172,139,000 166,382,000 166,066,000 162,452,000 142,881,000 141,266,000 121,380,000 142,610,000 111,737,000 158,733,000 174,617,000 173,153,000 163,187,000 160,979,000 163,397,000 165,764,000 169,514,000 173,976,000 165,118,000 140,262,000 165,678,000 109,385,000 102,864,000 103,175,000 103,784,000 102,572,000 92,107,000 100,819,000 102,522,000 110,614,000 115,308,000 100,661,000 82,525,000 80,166,000 
      benefit from income taxes
    27,905,750 38,482,000  36,157,000     22,310,000 30,402,000 24,799,000 34,039,000   34,697,000   35,153,000 36,205,000 36,885,000 35,054,000 9,361,000 34,830,000              
      net income
    139,907,000 137,556,000 135,155,000 130,225,000 130,076,000 127,282,000 111,602,000 110,426,000 95,476,000 112,208,000 86,938,000 124,694,000 137,880,000 135,820,000 128,490,000 126,787,000 128,590,000 130,611,000 133,309,000 137,091,000 130,064,000 130,901,000 130,848,000 86,134,000 81,758,000 82,258,000 82,402,000 81,597,000 74,361,000 68,554,000 68,565,000 73,641,000 76,570,000 67,137,000 55,278,000 53,844,000 
      yoy
    7.56% 8.07% 21.10% 17.93% 36.24% 13.43% 28.37% -11.44% -30.75% -17.38% -32.34% -1.65% 7.22% 3.99% -3.61% -7.52% -1.13% -0.22% 1.88% 59.16% 59.08% 59.13% 58.79% 5.56% 9.95% 19.99% 20.18% 10.80% -2.88% 2.11% 24.04% 36.77%     
      qoq
    1.71% 1.78% 3.79% 0.11% 2.20% 14.05% 1.06% 15.66% -14.91% 29.07% -30.28% -9.56% 1.52% 5.70% 1.34% -1.40% -1.55% -2.02% -2.76% 5.40% -0.64% 0.04% 51.91% 5.35% -0.61% -0.17% 0.99% 9.73% 8.47% -0.02% -6.89% -3.83% 14.05% 21.45% 2.66%  
      earnings per share:
                                        
      basic
    1.49 1.45 1.42 1.37 1.37 1.34 1.17 1.18 1.01 1.2 0.94 1.37 1.51 1.49 1.4 1.37 1.39 1.41 1.44 1.48 1.4 1.41 1.39 0.97 1.19 1.18 1.18 1.17 1.07 0.99 0.99 1.05 1.1 1.01 0.92 0.89 
      diluted
    1.49 1.45 1.42 1.37 1.37 1.34 1.17 1.18 1.01 1.2 0.94 1.37 1.51 1.49 1.4 1.37 1.39 1.41 1.44 1.48 1.4 1.41 1.39 0.97 1.19 1.18 1.18 1.17 1.07 0.99 0.99 1.05 1.1 1.01 0.91 0.89 
      provision for credit losses
          9,066,000                 1,700,000 1,100,000 800,000 700,000 4,000,000 9,000,000 2,750,000 2,675,000 1,250,000 5,000,000 600,000 4,025,000 2,550,000 
      net interest income after provision for credit losses
      267,722,000  267,774,000 261,691,000 249,720,000 238,244,000     187,273,500 260,679,000  187,137,000 248,567,000       230,330,000 152,890,000 154,038,000 154,211,000 157,803,000 144,223,000 149,481,000 149,760,000 161,655,000 170,657,000 143,091,000 122,508,000 116,192,000 
      provision for income taxes
      36,984,000  35,990,000 35,170,000 31,279,000 30,840,000     26,230,000 37,333,000  26,541,250 34,807,000       23,251,000 21,106,000 20,917,000 21,382,000 20,975,000 17,746,000 32,265,000 33,957,000 36,973,000 38,738,000 33,524,000 27,247,000 26,322,000 
      net income on sale or write-down of assets
       -235,000                                 
      subordinated debentures
            9,500 38,000                           
      net gain on sale of securities
           298,000                    -13,000         
      net other real estate expense
                -53,250 -15,000  -562,500 34,000                    
      subordinated notes
                       999,000 1,500,000 1,499,000 1,500,000              
      net gain on sale or write down of assets
                   1,165,000 255,000   -1,214,500 -528,000 -3,945,000               
      net income on sale or write down of assets
                     -244,000 -79,000                  
      other real estate expense
                       20,250 121,000 44,000 -84,000 -18,750 -47,000 66,000 -94,000 93,000 211,000 57,000 85,000 132,000 72,000 396,000 75,000 237,000 
      net gain on sale of assets
                          -385,000 14,250 -3,000     -3,783,000 1,759,000 1,379,000 23,000 3,310,000   
      net loss on sale of securities
                                        
      gain on sale of assets
                             2,000 58,000          
      net loss on sale of assets
                               -44,000         
      federal funds sold
                                315,000 160,000 183,000 165,000 35,000 48,000 16,000 76,000 
      junior subordinated debentures
                                   791,000 1,099,000 775,000 610,000 606,000 
      gain on sale of securities
                                 3,270,000       
      debit card, data processing and software amortization
                                    4,044,000 3,184,000 2,756,000 3,249,000 
    Balance Sheets:
    Quarterly
    Annual
      Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 2003-12-31 2003-09-30 2003-06-30 2003-03-31 
                                                                                                  
        assets
                                                                                                  
        cash and due from banks
      1,747,511,000 1,766,115,000 1,304,993,000 1,694,637,000 1,972,175,000 2,209,863,000 1,507,604,000 1,086,444,000 458,153,000 512,239,000 396,848,000 405,331,000 423,832,000 602,152,000 393,716,000 1,560,321,000 2,547,739,000 1,055,386,000 1,059,879,000 1,947,235,000 1,342,996,000 1,031,193,000 332,873,000 381,458,000 573,589,000 420,359,000 302,069,000 291,498,000 410,575,000 293,831,000 274,902,000 243,514,000 391,616,000 302,469,000 321,958,000 324,797,000 436,203,000 341,483,000 333,208,000 334,592,000 562,544,000 300,230,000 353,047,000 352,642,000 677,285,000 330,952,000 509,853,000 349,860,000 380,990,000 269,987,000 250,542,000 180,577,000 325,952,000 207,401,000 152,430,000 151,467,000 212,800,000 211,261,000 145,910,000 145,521,000 158,975,000 140,678,000 148,395,000 169,534,000 194,963,000 120,932,000 142,860,000 163,278,000 212,335,000 159,386,000 170,966,000 159,754,000 178,247,000 141,662,000 153,854,000 135,497,000 116,078,000 85,106,000 102,921,000 77,056,000 91,518,000 76,972,000 72,284,000 71,695,000 58,760,000 60,874,000 48,782,000 55,374,000 71,983,000 51,746,000 66,606,000 52,460,000 
        federal funds sold
      217,000 210,000 197,000 221,000 292,000 208,000 234,000 250,000 260,000 234,000 181,000 222,000 301,000 244,000 201,000 274,000 241,000 237,000 281,000 8,986,000 553,000 56,469,000 568,000 676,000 519,000 521,000 555,000 566,000 552,000 639,000 577,000 469,000 697,000 1,007,000 757,000 945,000 1,178,000 630,000 484,000 1,386,000 1,418,000 996,000 1,451,000 1,639,000 569,000 484,000 3,630,000 382,000 400,000 1,121,000 606,000 835,000 352,000 302,000 133,000 445,000 642,000 294,000 350,000 517,000 393,000 553,000 823,000 577,000 354,000 35,930,000 128,451,000 590,000 16,298,000 25,544,000 13,695,000 32,068,000 192,843,000 100,876,000 31,946,000 66,160,000 153,643,000 31,074,000 20,322,000 5,949,000 5,846,000 57,238,000 15,480,000 55,796,000 79,150,000 71,995,000 7,749,000 28,323,000 11,730,000 52,109,000 5,016,000 3,138,000 
        total cash and cash equivalents
      1,747,728,000 1,766,325,000 1,305,190,000 1,694,858,000 1,972,467,000 2,210,071,000 1,507,838,000 1,086,694,000 458,413,000 512,473,000 397,029,000 405,553,000 424,133,000 602,396,000 393,917,000 1,560,595,000 2,547,980,000 1,055,623,000 1,060,160,000 1,956,221,000 1,343,549,000 1,087,662,000 333,441,000 382,134,000 574,108,000 420,880,000 302,624,000 292,064,000 411,127,000 294,470,000 275,479,000 243,983,000 392,313,000 303,476,000 322,715,000 325,742,000 437,381,000 342,113,000 333,692,000 335,978,000 563,962,000 301,226,000 354,498,000 354,281,000 677,854,000 331,436,000 513,483,000 350,242,000 381,390,000 271,108,000 251,148,000 181,412,000 326,304,000 207,703,000 152,563,000 151,912,000 213,442,000 211,555,000 146,260,000 146,038,000 159,368,000 141,231,000 149,218,000 170,111,000 195,317,000 156,862,000 271,311,000 163,868,000 228,633,000 184,930,000 184,661,000 191,822,000 371,090,000 242,538,000 185,800,000 201,657,000 269,721,000 116,180,000 123,243,000 83,005,000 97,364,000 134,210,000 87,764,000 127,491,000 137,910,000 132,869,000 56,531,000 83,697,000 83,713,000 103,855,000 71,622,000 55,598,000 
        available for sale securities, at fair value
      338,197,000 332,369,000 342,108,000 335,845,000 336,960,000 331,414,000 318,647,000 315,300,000 438,588,000 446,165,000 462,013,000 469,250,000 456,502,000 491,230,000 509,717,000 461,392,000 514,932,000 580,929,000 611,890,000 638,355,000 651,514,000 461,115,000 310,045,000 315,255,000 287,663,000 298,368,000 306,777,000 79,776,000 84,155,000 93,739,000 104,789,000 207,489,000 217,870,000 233,651,000 253,130,000 209,427,000 221,176,000 129,677,000 139,202,000 96,349,000 103,064,000 110,855,000 123,229,000 131,745,000 145,399,000 155,216,000 171,756,000 143,382,000 157,478,000 164,776,000 184,349,000 206,073,000 226,670,000    322,316,000  378,834,000  428,553,000  510,305,000  599,503,000  658,971,000 706,052,000 817,244,000   252,448,000 260,444,000 360,290,000 399,509,000 571,975,000 434,331,000 377,384,000 389,293,000 396,493,000 410,361,000 352,373,000 299,240,000 279,044,000 177,683,000 193,396,000 198,525,000 244,478,000 263,648,000 230,525,000 273,229,000 274,488,000 
        held to maturity securities, at cost
      10,275,228,000 9,900,093,000 10,265,996,000 10,456,886,000 10,757,464,000 10,969,342,000 11,383,492,000 11,985,838,000 12,365,308,000 12,746,577,000 13,205,306,000 13,602,295,000 14,019,503,000 14,315,257,000 14,402,596,000 14,336,735,000 12,303,969,000 12,048,439,000 11,306,801,000 9,449,647,000 7,891,306,000 6,970,380,000 7,407,541,000 7,980,240,000 8,282,393,000 8,196,838,000 8,645,163,000 9,057,869,000 9,324,811,000 9,410,994,000 9,515,825,000 9,502,765,000 9,454,246,000 9,176,871,000 9,329,065,000 9,644,693,000 9,504,910,000 8,858,344,000 9,135,449,000 9,352,355,000 9,399,363,000 9,419,906,000 9,574,850,000 9,447,751,000 8,900,377,000 8,690,693,000 8,679,479,000 8,417,955,000 8,066,970,000 7,606,569,000 7,833,535,000 7,779,738,000 7,215,395,000    4,336,620,000  4,262,830,000  4,188,563,000  4,307,542,000  3,518,787,000  3,322,138,000 3,285,148,000 3,343,157,000   1,833,934,000 1,597,162,000 1,444,036,000 1,419,214,000 1,314,319,000 1,155,972,000  1,254,119,000  1,162,241,000 1,135,967,000 1,179,110,000 1,207,419,000 1,125,109,000 1,160,182,000 1,219,839,000 1,182,158,000 1,113,232,000 920,368,000 815,278,000 781,861,000 
        total securities
      10,613,425,000 10,232,462,000 10,608,104,000 10,792,731,000 11,094,424,000 11,300,756,000 11,702,139,000 12,301,138,000 12,803,896,000 13,192,742,000 13,667,319,000 14,071,545,000 14,476,005,000 14,806,487,000 14,912,313,000 14,798,127,000 12,818,901,000 12,629,368,000 11,918,691,000 10,088,002,000 8,542,820,000 7,431,495,000 7,717,586,000 8,295,495,000 8,570,056,000 8,495,206,000 8,951,940,000 9,137,645,000 9,408,966,000 9,504,733,000 9,620,614,000 9,710,254,000 9,672,116,000 9,410,522,000 9,582,195,000 9,854,120,000 9,726,086,000 8,988,021,000 9,274,651,000 9,448,704,000 9,502,427,000 9,530,761,000 9,698,079,000 9,579,496,000 9,045,776,000 8,845,909,000 8,851,235,000 8,561,337,000 8,224,448,000 7,771,345,000 8,017,884,000 7,985,811,000                                         
        loans held for sale
      14,155,000 11,297,000 6,004,000 9,764,000 10,690,000 6,113,000 9,951,000 6,380,000 5,734,000 10,187,000 10,656,000 1,603,000 554,000 2,871,000 3,350,000 2,810,000 7,274,000 10,197,000 9,080,000 20,991,000 46,777,000 51,694,000 39,516,000 65,035,000 80,959,000 20,284,000 20,315,000 24,398,000 29,367,000 28,025,000 27,767,000 34,551,000 31,389,000 25,473,000 26,094,000 21,896,000 26,975,000 29,457,000 31,831,000 23,717,000 23,933,000 12,564,000 10,482,000 10,622,000 8,602,000 8,524,000 8,408,000 3,558,000 2,210,000 4,892,000 6,186,000 8,496,000 10,433,000 4,332,000             99,000 99,000 99,000 99,000 2,218,000 6,796,000 10,946,000 17,687,000  24,437,000       1,089,000          
        loans held for investment
      20,486,415,000 20,738,294,000 20,903,944,000 20,909,913,000 21,057,616,000 21,146,033,000 21,229,461,000 20,393,943,000 20,352,559,000 20,510,199,000 20,494,407,000 18,533,641,000 18,098,653,000 17,580,653,000 17,067,871,000 16,720,173,000 16,833,171,000 16,949,486,000 17,147,146,000 17,345,506,000 17,357,788,000 18,013,333,000 18,428,474,000 17,348,398,000 17,211,625,000 10,653,061,000 10,567,060,000 10,389,624,000 10,340,946,000 10,264,821,000 10,118,798,000 9,976,865,000 9,989,384,000 9,885,729,000 9,837,925,000 9,717,357,000 9,595,085,000 9,518,857,000 9,618,177,000 9,630,691,000 9,414,656,000 9,192,424,000 9,103,853,000 9,155,383,000 9,235,581,000 9,360,364,000 9,299,754,000 7,748,842,000 7,773,011,000 6,177,697,000 6,166,297,000 5,254,528,000 5,169,507,000 5,074,771,000 3,950,332,000 3,874,862,000 3,765,906,000 3,737,630,000 3,665,248,000 3,572,920,000 3,485,023,000 3,413,819,000 3,425,040,000 3,348,383,000 3,376,703,000 3,406,137,000 3,451,220,000 3,501,201,000 3,566,958,000 3,248,518,000 3,311,110,000 3,154,831,000 3,132,025,000 3,109,868,000 3,157,741,000 3,223,271,000 2,176,507,000 2,214,401,000 2,204,792,000 1,561,467,000 1,542,125,000 1,514,227,000 1,519,086,000          
        loans held for investment - warehouse purchase program
      1,304,798,000 1,278,178,000 1,287,440,000 1,057,893,000 1,080,903,000 1,228,706,000 1,081,403,000 864,924,000 822,245,000 912,327,000 1,148,883,000 799,115,000 740,620,000 922,764,000 1,137,623,000 1,344,541,000 1,775,699,000 1,998,049,000 2,095,559,000 2,272,389,000 2,842,379,000 2,730,614,000 2,557,183,000 1,713,762,000 1,552,762,000                                                                    
        total loans
      21,805,368,000 22,027,769,000 22,197,388,000 21,977,570,000 22,149,209,000 22,380,852,000 22,320,815,000 21,265,247,000 21,180,538,000 21,432,713,000 21,653,946,000 19,334,359,000 18,839,827,000 18,506,288,000 18,208,844,000 18,067,524,000 18,616,144,000 18,957,732,000 19,251,785,000 19,638,886,000 20,246,944,000 20,795,641,000 21,025,173,000 19,127,195,000 18,845,346,000 10,673,345,000 10,587,375,000 10,414,022,000 10,370,313,000 10,292,846,000 10,146,565,000 10,011,416,000 10,020,773,000 9,911,202,000 9,864,019,000 9,739,253,000 9,622,060,000 9,548,314,000 9,650,008,000 9,654,408,000 9,438,589,000 9,204,988,000 9,114,335,000 9,166,005,000 9,244,183,000 9,368,888,000 9,308,162,000 7,752,400,000 7,775,221,000 6,182,589,000 6,172,483,000 5,263,024,000                              1,514,227,000 1,520,175,000          
        less: allowance for credit losses on loans
      -333,742,000 -339,626,000 -346,084,000 -349,101,000 -351,805,000 -354,397,000 -359,852,000 -330,219,000 -332,362,000 -351,495,000 -345,209,000 -282,191,000 -281,576,000 -282,179,000 -283,959,000 -285,163,000 -286,380,000 -287,187,000 -302,884,000 -307,210,000 -316,068,000 -323,635,000 -324,205,000 -327,206,000                                                                     
        loans
      21,471,626,000 21,688,143,000 21,851,304,000 21,628,469,000 21,797,404,000 22,026,455,000 21,960,963,000 20,935,028,000 20,848,176,000 21,081,218,000 21,308,737,000 19,052,168,000 18,558,251,000 18,224,109,000 17,924,885,000 17,782,361,000 18,329,764,000 18,670,545,000 18,948,901,000 19,331,676,000 19,930,876,000 20,472,006,000 20,700,968,000 18,799,989,000 18,757,877,000 10,586,284,000 10,500,369,000 10,327,931,000 10,283,873,000 10,206,850,000 10,061,601,000 9,927,816,000 9,936,732,000 9,824,390,000 9,780,236,000 9,655,158,000 9,536,734,000 9,462,729,000 9,566,182,000 9,570,694,000 9,357,205,000 9,123,985,000 9,033,363,000 9,085,042,000 9,163,421,000 9,291,275,000 9,234,896,000 7,685,304,000 7,707,939,000 6,122,676,000 6,116,307,000 5,207,975,000 5,127,376,000 5,028,176,000 3,899,950,000 3,823,220,000 3,714,312,000 3,685,117,000 3,613,316,000 3,521,160,000 3,433,439,000 3,362,465,000 3,372,313,000 3,296,490,000 3,324,840,000 3,358,825,000 3,408,708,000 3,462,062,000 3,530,087,000 3,214,636,000 3,279,243,000 3,129,560,000 3,110,428,000 3,092,019,000 3,145,047,000 3,211,367,000 2,152,517,000 2,190,308,000 2,180,512,000 1,544,155,000 1,524,922,000 1,497,257,000 1,503,236,000 1,500,138,000 1,035,513,000 1,007,420,000 790,920,000 770,223,000 770,053,000 700,221,000 699,525,000 656,568,000 
        accrued interest receivable
      99,297,000 101,381,000 101,606,000 102,721,000 104,367,000 107,534,000 107,339,000 97,671,000 96,327,000 97,006,000 92,265,000 95,010,000 88,438,000 81,358,000 75,085,000 69,544,000 66,030,000 71,651,000 74,210,000 76,634,000 82,068,000 87,555,000 94,458,000 76,038,000 80,797,000 53,789,000 57,382,000 55,867,000 56,532,000 56,902,000 56,790,000 51,526,000 56,368,000 52,532,000 52,661,000 49,721,000 53,310,000 48,469,000 51,486,000 50,082,000 51,924,000 48,719,000 51,303,000 48,770,000 51,941,000 50,019,000 53,248,000 45,054,000 49,246,000 38,183,000 43,650,000 38,047,000 42,337,000 39,661,000 30,210,000 30,261,000 29,405,000 27,878,000 29,731,000 29,803,000 29,935,000 29,666,000 31,708,000 30,554,000 30,571,000 31,197,000 31,220,000 31,435,000 34,617,000 25,214,000 26,375,000 25,664,000 27,940,000 28,866,000 30,361,000 27,795,000 20,364,000 20,091,000 19,877,000 14,955,000 16,105,000 13,257,000 13,840,000 12,959,000 10,171,000 10,140,000 10,033,000 9,440,000 10,119,000 9,353,000 9,958,000 9,235,000 
        goodwill
      3,503,127,000 3,503,127,000 3,503,127,000 3,503,127,000 3,503,129,000 3,504,388,000 3,504,107,000 3,396,402,000 3,396,086,000 3,396,459,000 3,383,698,000 3,231,636,000 3,231,636,000 3,231,636,000 3,231,636,000 3,231,636,000 3,231,636,000 3,231,636,000 3,231,636,000 3,231,636,000 3,231,636,000 3,231,692,000 3,231,964,000 3,223,144,000 3,223,671,000 1,900,845,000 1,900,845,000 1,900,845,000 1,900,845,000 1,900,845,000 1,900,845,000 1,900,845,000 1,900,845,000 1,900,845,000 1,900,845,000 1,900,845,000 1,900,845,000 1,900,349,000 1,903,451,000 1,903,451,000 1,868,827,000 1,881,955,000 1,881,955,000 1,881,955,000 1,874,191,000 1,892,255,000 1,894,270,000 1,672,004,000 1,671,520,000 1,351,782,000 1,350,834,000 1,235,743,000 1,217,162,000 1,200,098,000 932,965,000 929,161,000 924,537,000 924,537,000 924,537,000 924,537,000 924,258,000 923,933,000 921,484,000 890,123,000 876,987,000 876,958,000 875,082,000 874,708,000 874,654,000 811,916,000 811,391,000 767,950,000 753,909,000 745,650,000 736,624,000 739,328,000 424,339,000 425,073,000 423,534,000 263,406,000 261,964,000 247,965,000 247,133,000 245,256,000 153,180,000 150,585,000 116,557,000 116,123,000 118,012,000 76,941,000 77,530,000 67,989,000 
        core deposit intangibles
      51,605,000 55,194,000 58,796,000 62,406,000 66,047,000 70,178,000 74,324,000 60,757,000 63,994,000 67,553,000 71,128,000 48,974,000 51,348,000 53,906,000 56,483,000 59,064,000 61,684,000 64,539,000 67,417,000 70,304,000 73,235,000 76,478,000 79,748,000 83,041,000 86,404,000 29,051,000 30,299,000 31,564,000 32,883,000 34,295,000 35,773,000 37,274,000 38,842,000 40,464,000 42,150,000 43,869,000 45,784,000 48,010,000 44,861,000 47,195,000 49,417,000 51,712,000 54,068,000 56,458,000 58,947,000 34,474,000 37,072,000 39,702,000 42,049,000 25,233,000 26,688,000 26,514,000 26,159,000                                     4,315,000 4,479,000  
        bank premises and equipment
      383,449,000 378,776,000 374,602,000 373,273,000 371,238,000 373,812,000 377,394,000 372,333,000 369,992,000 370,237,000 365,299,000 345,149,000 339,453,000 337,099,000 335,939,000 336,075,000 319,799,000 322,799,000 324,502,000 326,970,000 323,572,000 325,994,000 324,975,000 327,293,000 326,832,000 263,703,000 262,479,000 257,595,000 257,046,000 256,426,000 255,465,000 257,057,000 257,065,000 256,011,000 256,511,000 257,558,000 262,083,000 270,386,000 273,104,000 277,951,000 267,996,000 271,650,000 275,347,000 276,468,000 281,549,000 283,011,000 285,751,000 280,812,000 282,925,000 232,240,000 227,455,000 206,829,000 205,268,000 201,445,000 166,273,000 162,676,000 159,656,000 160,099,000 160,119,000 159,050,000 159,053,000 159,717,000 161,267,000 152,886,000 148,855,000 149,725,000 149,742,000 151,544,000 123,638,000 123,823,000 125,000,000 123,806,000 120,044,000 120,794,000 120,810,000 118,287,000 63,057,000 63,118,000 64,242,000 48,316,000 49,244,000 47,913,000 48,707,000 49,996,000 35,793,000 36,331,000 32,762,000 33,651,000 34,299,000 28,278,000 29,228,000 27,469,000 
        other real estate owned
      13,296,000 13,750,000 7,874,000 8,012,000 5,701,000 5,757,000 4,960,000 2,204,000 1,708,000 9,320,000 3,107,000 1,989,000 1,963,000 1,758,000 1,555,000 1,705,000 622,000 150,000 144,000 462,000 10,593,000 11,548,000 6,160,000 5,452,000 6,936,000 815,000 2,005,000 2,096,000 1,805,000 889,000 10,316,000 10,538,000 11,152,000 14,512,000 15,472,000 15,698,000 15,463,000 16,280,000 15,677,000 16,695,000 2,963,000 3,271,000 2,806,000 3,010,000 3,237,000 5,504,000 5,093,000 7,372,000 7,299,000 7,432,000 10,244,000 9,913,000 7,234,000 8,846,000 10,236,000 7,718,000 8,328,000 8,216,000 8,841,000 10,465,000 11,053,000 11,233,000 12,520,000 12,991,000 7,829,000 12,738,000 11,101,000 9,134,000 4,450,000 7,538,000 6,655,000 11,612,000 10,207,000 1,460,000 3,637,000 2,138,000 140,000 59,000 77,000 37,000 239,000 41,000 25,000 720,000 341,000 535,000 48,000 80,000 246,000 765,000 1,007,000 527,000 
        bank owned life insurance
      392,756,000 391,149,000 389,380,000 388,123,000 386,247,000 384,228,000 382,499,000 380,615,000 379,447,000 379,498,000 382,011,000 326,179,000 327,439,000 329,342,000 329,504,000 328,211,000 327,149,000 326,830,000 325,505,000 324,378,000 324,356,000 326,452,000 324,983,000 323,338,000 321,793,000 262,381,000 261,372,000 260,404,000 260,335,000 258,978,000 257,986,000 256,443,000 255,132,000 253,751,000 252,365,000 250,775,000 247,116,000 248,149,000 247,057,000 245,337,000 235,429,000 234,046,000 232,963,000 231,439,000 230,095,000 228,704,000 227,305,000 178,530,000 160,056,000 122,123,000 122,199,000 115,434,000 109,108,000 107,859,000 55,525,000 52,191,000  49,695,000 49,352,000 49,020,000  32,623,000 48,451,000 48,407,000  47,761,000 47,438,000 47,112,000  46,751,000 46,357,000 45,930,000  45,015,000 44,536,000 44,046,000      13,560,000           
        federal home loan bank of dallas stock
      86,950,000 105,400,000 125,900,000 117,700,000 138,200,000 10,184,000 10,184,000 8,750,000 8,750,000 69,541,000 107,229,000 160,750,000 90,025,000 78,955,000 28,994,000 8,901,000 8,901,000 8,901,000 8,901,000 8,901,000 8,901,000 8,901,000 11,233,000 66,213,000 83,945,000 39,542,000 56,459,000 48,524,000 55,959,000 78,801,000 75,915,000 55,394,000 49,764,000 61,815,000 69,510,000 74,129,000 55,430,000 35,449,000 39,557,000 34,255,000 68,413,000 61,843,000 58,132,000 26,989,000 15,432,000 44,747,000 29,376,000 23,857,000 24,499,000 43,058,000 44,933,000 34,858,000 34,461,000    11,601,000  24,764,000  24,982,000  14,888,000  16,019,000  7,930,000 8,717,000 15,483,000                        
        other assets
      100,166,000 94,762,000 91,469,000 93,255,000 127,514,000 121,957,000 130,547,000 114,928,000 121,088,000 119,637,000 127,309,000 90,279,000 101,138,000 96,456,000 96,945,000 94,967,000 121,504,000 130,077,000 139,857,000 143,234,000 187,669,000 137,816,000 141,133,000 161,362,000 153,289,000 40,321,000 49,447,000 39,706,000 24,031,000 19,394,000 19,956,000 21,184,000 16,963,000 24,945,000 21,883,000 49,804,000 50,840,000 44,089,000 46,592,000 48,003,000 68,653,000 58,068,000 43,773,000 62,951,000 105,290,000 109,980,000 116,377,000 68,919,000 90,657,000 69,099,000 59,376,000 38,778,000 46,099,000 48,060,000 30,395,000 31,954,000 31,429,000 32,450,000 33,764,000 37,147,000 39,895,000 58,692,000 45,737,000 47,747,000 47,890,000 11,573,000 14,007,000 15,834,000 14,377,000 14,457,000 27,236,000 33,866,000 25,805,000 37,052,000 45,686,000 39,391,000 25,014,000 31,781,000 33,268,000 23,243,000 22,644,000 29,094,000 43,680,000 48,579,000 22,941,000 20,817,000 11,320,000 11,552,000 8,702,000 12,760,000 10,239,000 10,334,000 
        total assets
      38,463,425,000 38,330,469,000 38,417,352,000 38,764,675,000 39,566,738,000 40,115,320,000 39,762,294,000 38,756,520,000 38,547,877,000 39,295,684,000 39,905,131,000 37,829,232,000 37,689,829,000 37,843,502,000 37,387,256,000 38,271,186,000 37,833,970,000 36,512,119,000 36,099,924,000 35,558,418,000 34,059,275,000 33,197,599,000 32,966,649,000 31,743,499,000 32,185,708,000 22,092,817,000 22,375,221,000 22,354,241,000 22,693,402,000 22,612,583,000 22,570,740,000 22,472,314,000 22,587,292,000 22,143,263,000 22,296,543,000 22,477,419,000 22,331,072,000 21,404,044,000 21,796,310,000 21,978,345,000 22,037,216,000 21,567,236,000 21,686,287,000 21,606,859,000 21,507,733,000 21,117,314,000 21,248,106,000 18,913,133,000 18,642,028,000 16,054,279,000 16,270,718,000 15,081,314,000 14,583,573,000 13,712,119,000 10,737,351,000 10,889,955,000 9,822,671,000 9,567,087,000 9,657,147,000 9,722,947,000 9,476,572,000 9,238,502,000 9,608,822,000 9,218,733,000 8,850,400,000 8,957,332,000 8,838,599,000 8,799,197,000 9,072,364,000 6,787,909,000 6,793,734,000 6,464,733,000 6,372,343,000 6,170,524,000 6,184,914,000 6,326,699,000 4,586,769,000 4,455,716,000 4,531,951,000 3,571,613,000 3,585,982,000    2,697,228,000    2,398,683,000 2,078,532,000 1,983,277,000  
        liabilities and shareholders’ equity
                                                                                                  
        liabilities:
                                                                                                  
        deposits:
                                                                                                  
        noninterest-bearing
      9,467,911,000 9,522,028,000 9,426,657,000 9,675,915,000 9,798,438,000 9,811,361,000 9,706,505,000 9,526,535,000 9,776,572,000 10,281,893,000 10,364,921,000 10,108,348,000 10,915,448,000 11,154,143,000 11,032,184,000 10,776,652,000 10,750,034,000 10,326,489,000 10,099,149,000 9,820,445,000 9,151,233,000 8,998,328,000 9,040,257,000 7,461,323,000 7,763,894,000 5,784,002,000 5,691,236,000 5,673,707,000 5,666,115,000 5,700,242,000 5,657,589,000 5,707,994,000 5,623,322,000 5,465,474,000 5,397,293,000 5,299,264,000 5,190,973,000 5,159,333,000 5,016,637,000 5,112,943,000 5,136,579,000 5,093,175,000 5,040,628,000 5,038,436,000 4,936,420,000 4,968,867,000 4,921,398,000 4,142,042,000 4,108,835,000 3,368,357,000 3,283,082,000 2,995,828,000 3,016,205,000 2,827,748,000 2,083,910,000 2,088,749,000 1,972,226,000 1,861,907,000 1,788,756,000 1,730,427,000 1,673,190,000 1,623,078,000 1,576,727,000 1,525,079,000 1,492,612,000 1,473,189,000 1,476,378,000 1,510,005,000 1,522,983,000 1,263,407,000 1,285,493,000 1,202,622,000 1,168,069,000 1,165,089,000 1,184,172,000 1,188,741,000 835,876,000 809,836,000 839,317,000 692,713,000 674,407,000 639,790,000 607,689,000 592,238,000 518,358,000 527,845,000 444,067,000 443,137,000 467,389,000 374,877,000 362,193,000 312,104,000 
        interest-bearing
      19,014,573,000 18,260,066,000 18,046,754,000 18,350,884,000 18,582,900,000 18,276,250,000 18,226,581,000 17,648,983,000 17,403,237,000 17,030,907,000 17,015,965,000 16,895,888,000 17,618,083,000 18,145,952,000 18,833,434,000 20,291,658,000 20,021,728,000 19,125,163,000 19,011,092,000 18,942,660,000 18,209,259,000 17,460,878,000 17,112,431,000 16,365,034,000 16,435,838,000 11,145,918,000 11,196,393,000 11,524,063,000 11,590,443,000 11,033,522,000 11,321,015,000 11,624,885,000 12,198,138,000 11,442,002,000 11,673,237,000 11,736,308,000 12,116,329,000 11,762,076,000 12,202,508,000 12,759,823,000 12,544,540,000 11,846,762,000 11,961,036,000 12,522,916,000 12,756,738,000 12,045,160,000 12,359,657,000 11,318,015,000 11,182,436,000 9,087,442,000 9,225,568,000 8,717,639,000 8,625,639,000 8,126,849,000 6,310,672,000 6,455,702,000 6,088,028,000 5,936,832,000 5,878,936,000 6,085,957,000 5,781,730,000 5,868,502,000 6,237,202,000 6,073,900,000 5,765,938,000 5,644,804,000 5,781,517,000 5,696,874,000 5,780,314,000 3,841,435,000 4,011,141,000 3,746,096,000 3,798,338,000 3,618,925,000 3,592,210,000 3,739,499,000 2,889,802,000 2,783,309,000 2,800,683,000 2,222,629,000 2,245,911,000 2,239,526,000 2,240,081,000 2,301,443,000 1,798,718,000 1,799,434,000 1,635,850,000 1,679,724,000 1,616,359,000 1,452,401,000 1,384,355,000 1,322,161,000 
        total deposits
      28,482,484,000 27,782,094,000 27,473,411,000 28,026,799,000 28,381,338,000 28,087,611,000 27,933,086,000 27,175,518,000 27,179,809,000 27,312,800,000 27,380,886,000 27,004,236,000 28,533,531,000 29,300,095,000 29,865,618,000 31,068,310,000 30,771,762,000 29,451,652,000 29,110,241,000 28,763,105,000 27,360,492,000 26,459,206,000 26,152,688,000 23,826,357,000 24,199,732,000 16,929,920,000 16,887,629,000 17,197,770,000 17,256,558,000 16,733,764,000 16,978,604,000 17,332,879,000 17,821,460,000 16,907,476,000 17,070,530,000 17,035,572,000 17,307,302,000 16,921,409,000 17,219,145,000 17,872,766,000 17,681,119,000 16,939,937,000 17,001,664,000 17,561,352,000 17,693,158,000 17,014,027,000 17,281,055,000 15,460,057,000 15,291,271,000 12,455,799,000 12,508,650,000 11,713,467,000 11,641,844,000 10,954,597,000 8,394,582,000 8,544,451,000 8,060,254,000 7,798,739,000 7,667,692,000 7,816,384,000 7,454,920,000 7,491,580,000 7,813,929,000 7,598,979,000 7,258,550,000 7,117,993,000 7,257,895,000 7,206,879,000 7,303,297,000 5,104,842,000 5,296,634,000 4,948,718,000 4,966,407,000 4,784,014,000 4,776,382,000 4,928,240,000 3,725,678,000 3,593,145,000 3,640,000,000 2,915,342,000 2,920,318,000 2,879,316,000 2,847,770,000 2,893,681,000 2,317,076,000 2,327,279,000 2,079,917,000 2,122,861,000 2,083,748,000 1,827,278,000 1,746,548,000 1,634,265,000 
        other borrowings
      1,950,000,000 2,400,000,000 2,900,000,000 2,700,000,000 3,200,000,000 3,900,000,000 3,900,000,000 3,900,000,000 3,725,000,000 4,250,000,000 4,800,000,000 3,365,000,000 1,850,000,000 1,165,000,000 300,000,000           600,795,000 940,874,000 680,952,000  1,501,207,000 1,254,849,000 820,079,000  960,365,000 1,035,506,000 1,270,644,000  425,916,000 606,049,000 186,225,000  786,571,000 886,741,000 331,914,000  289,972,000 200,210,000 40,451,000 10,689,000 605,951,000 781,215,000 576,768,000 256,753,000 112,017,000 437,278,000 527,536,000 12,790,000 13,583,000 248,839,000 228,092,000 374,433,000 71,686,000 154,935,000 15,879,000 26,140,000 253,855,000 28,170,000 28,441,000 229,395,000 219,671,000 42,089,000 125,360,000 31,466,000 31,988,000 59,499,000 65,621,000 26,408,000 31,484,000 77,711,000 38,184,000 55,404,000 43,120,000 43,333,000 43,543,000 13,116,000 13,315,000 40,647,000 11,746,000 30,936,000 31,074,000 28,992,000 39,966,000 
        securities sold under repurchase agreements
      201,216,000 185,797,000 183,572,000 216,086,000 221,913,000 228,896,000 233,689,000 261,671,000 309,277,000 300,714,000 434,160,000 434,261,000 428,134,000 454,304,000 481,785,000 440,891,000 448,099,000 440,969,000 433,069,000 377,106,000 389,583,000 380,274,000 365,335,000 344,695,000 377,294,000 311,404,000 313,825,000 254,573,000 284,720,000 297,126,000 293,039,000 339,576,000 324,154,000 334,621,000 346,324,000 335,875,000 320,430,000 318,449,000 320,001,000 304,204,000 315,253,000 310,038,000 334,189,000 318,418,000 315,523,000 358,053,000 388,342,000 349,074,000 364,357,000 431,969,000 481,170,000 470,241,000 454,502,000 443,856,000 122,743,000 58,481,000 54,883,000 66,166,000 91,288,000 51,847,000 60,659,000 96,416,000 93,060,000 68,441,000 72,596,000 100,636,000 96,732,000 81,773,000 96,017,000 100,310,000 99,225,000 70,942,000 84,581,000 79,484,000 86,035,000 73,916,000 47,225,000 48,459,000 47,494,000 46,957,000 46,985,000 37,108,000 34,627,000 25,726,000 25,058,000 28,153,000 18,293,000 18,832,000     
        accrued interest payable
      30,913,000 32,639,000 32,837,000 34,130,000 41,910,000 174,229,000 129,565,000 75,871,000 34,819,000 79,561,000 28,734,000 8,369,000 4,495,000 2,099,000 1,051,000 1,088,000 1,261,000 1,499,000 14,309,000 2,385,000 3,462,000 6,592,000 8,144,000 8,730,000 8,585,000 5,438,000 5,171,000 4,425,000 4,201,000 3,754,000 3,548,000 2,992,000 2,945,000 3,121,000 2,833,000 2,228,000 2,319,000 3,496,000 2,225,000 2,164,000 1,896,000 2,002,000 2,115,000 2,225,000 3,190,000 2,569,000 1,326,000 2,372,000 2,500,000 2,267,000 2,189,000 1,665,000 1,904,000 2,089,000 2,131,000 2,573,000 2,803,000 3,067,000 3,197,000 3,518,000 4,014,000 4,936,000 6,530,000 7,173,000 7,343,000 8,169,000 10,694,000 11,813,000 14,625,000 9,524,000 10,693,000 11,477,000 11,761,000 13,276,000 12,468,000 12,216,000 8,451,000 9,563,000 8,175,000 5,117,000 6,546,000 4,314,000 5,442,000 3,002,000 3,102,000 2,717,000 2,360,000 2,090,000 2,522,000 1,377,000 2,338,000 2,254,000 
        allowance for credit losses on off-balance sheet credit exposures
      37,646,000 37,646,000 37,646,000 37,646,000 37,646,000 37,646,000 37,646,000 36,503,000 36,503,000 36,503,000 36,503,000 29,947,000 29,947,000 29,947,000 29,947,000 29,947,000 29,947,000 29,947,000 29,947,000 29,947,000 29,947,000 29,947,000                                                                       
        other liabilities
      145,026,000 227,355,000 190,150,000 232,953,000 245,436,000 325,689,000 244,864,000 202,413,000 183,139,000 283,429,000 253,639,000 248,302,000 144,348,000 280,415,000 187,028,000 226,526,000 155,665,000 242,611,000 202,021,000 164,029,000 145,122,000 158,987,000 233,917,000 214,182,000 199,728,000 118,454,000 99,827,000 106,731,000 63,973,000 81,035,000 105,248,000 100,643,000 109,356,000 156,322,000 105,162,000 144,018,000 67,929,000 139,962,000 104,306,000 106,709,000 84,639,000 117,449,000 104,293,000 91,089,000 74,781,000 102,212,000 89,048,000 96,194,000 62,162,000 84,126,000 67,157,000 84,663,000 54,126,000 76,329,000 51,745,000 62,326,000 39,621,000 59,138,000 49,428,000 57,553,000 37,942,000 52,049,000 43,969,000 58,089,000 42,261,000 57,379,000 54,100,000 97,478,000 81,659,000 32,117,000 35,223,000 49,286,000 37,812,000 37,632,000 48,337,000 34,777,000 14,077,000 22,393,000 22,679,000 20,967,000 16,237,000 7,604,000 3,566,000 12,291,000 15,805,000 12,781,000 5,097,000 8,293,000 3,889,000 4,324,000 5,809,000 9,637,000 
        total liabilities
      30,847,285,000 30,665,531,000 30,817,616,000 31,247,614,000 32,128,243,000 32,754,071,000 32,478,850,000 31,651,976,000 31,468,547,000 32,263,007,000 32,937,015,000 31,090,115,000 30,990,455,000 31,231,860,000 30,865,429,000 31,766,762,000 31,406,734,000 30,166,678,000 29,789,587,000 29,336,572,000 27,928,606,000 27,162,722,000 27,018,527,000 25,887,925,000 26,214,873,000 17,966,011,000 18,247,326,000 18,244,451,000 18,640,578,000 18,616,886,000 18,635,288,000 18,596,169,000 18,763,138,000 18,361,905,000 18,560,355,000 18,788,337,000 18,688,761,000 17,809,232,000 18,251,726,000 18,479,285,000 18,574,306,000 18,155,997,000 18,329,002,000 18,304,998,000 18,262,907,000 17,934,364,000 18,127,512,000 16,072,379,000 15,855,210,000 13,665,167,000 13,925,436,000 12,931,859,000 12,494,184,000 11,673,943,000 9,093,534,000 9,280,422,000 8,255,406,000 8,025,748,000 8,145,499,000 8,242,449,000 8,024,233,000 7,808,932,000 8,204,688,000 7,840,826,000 7,499,155,000 7,630,297,000 7,539,856,000 7,518,649,000 7,817,258,000 5,558,729,000 5,576,129,000 5,318,668,000 5,244,912,000 5,059,279,000 5,103,338,000 5,260,130,000 3,922,358,000 3,805,563,000 3,896,578,000 3,096,156,000 3,121,265,000 3,047,237,000 3,010,513,000 3,054,018,000 2,421,581,000 2,444,049,000 2,206,118,000 2,223,626,000 2,121,095,000 1,864,053,000 1,783,687,000 1,686,122,000 
        commitments and contingencies
                                                                                                  
        shareholders’ equity:
                                                                                                  
        preferred stock, 1 par value; 20,000,000 shares authorized; none issued or outstanding
                                                                                                  
        common stock
      93,058,000 94,993,000 95,277,000 95,259,000 95,276,000 95,261,000 95,263,000 93,525,000 93,723,000 93,718,000 93,722,000 90,694,000 91,314,000 91,211,000 91,196,000 92,160,000 92,171,000 92,161,000 92,935,000 92,929,000 92,571,000 92,562,000 92,660,000 92,651,000 94,746,000 68,397,000 69,261,000 69,846,000 69,847,000 69,838,000 69,838,000 69,819,000 69,491,000 69,484,000 69,488,000 69,480,000 69,491,000 69,477,000 69,480,000 69,580,000 70,059,000 70,078,000 70,077,000 70,061,000 69,817,000 69,793,000 69,782,000 66,298,000 66,085,000 60,420,000 60,352,000 57,051,000 56,484,000 56,095,000 47,511,000 47,334,000 46,947,000 46,930,000 46,926,000 46,819,000 46,721,000 46,690,000 46,659,000 46,613,000 46,578,000 46,190,000 46,146,000 46,137,000 46,117,000 46,109,000 46,096,000 44,316,000 44,188,000 44,147,000 43,848,000 43,803,000 32,830,000 32,824,000 32,801,000 27,906,000 27,858,000 27,600,000 27,573,000 27,513,000 22,418,000 22,416,000 21,027,000 20,982,000 20,967,000 19,001,000 18,979,000 18,951,000 
        capital surplus
      3,653,751,000 3,785,967,000 3,802,680,000 3,799,692,000 3,796,622,000 3,793,435,000 3,790,305,000 3,672,090,000 3,703,795,000 3,700,675,000 3,697,524,000 3,507,670,000 3,541,924,000 3,538,719,000 3,535,877,000 3,597,957,000 3,595,023,000 3,591,949,000 3,640,266,000 3,637,188,000 3,634,140,000 3,631,213,000 3,632,847,000 3,629,893,000 3,734,519,000 1,959,960,000 2,012,665,000 2,048,156,000 2,045,351,000 2,042,778,000 2,040,032,000 2,037,498,000 2,035,219,000 2,033,379,000 2,031,684,000 2,029,950,000 2,028,129,000 2,025,722,000 2,023,179,000 2,024,849,000 2,036,378,000 2,033,737,000 2,030,732,000 2,027,754,000 2,025,235,000 2,022,586,000 2,019,453,000 1,801,659,000 1,798,862,000 1,453,263,000 1,451,064,000 1,297,891,000 1,274,290,000 1,257,541,000 906,545,000 898,962,000 883,575,000 882,620,000 881,509,000 879,016,000 876,050,000 874,779,000 873,555,000 872,102,000 870,460,000 869,451,000 868,431,000 868,054,000 867,380,000 866,871,000 866,201,000 811,172,000 809,026,000 807,760,000 798,698,000 800,062,000 425,557,000 425,300,000 424,699,000 281,338,000 280,525,000 272,972,000 272,459,000 271,916,000 134,288,000 134,160,000 102,830,000 102,642,000 102,594,000 60,491,000 60,545,000 60,464,000 
        retained earnings
      3,869,627,000 3,785,548,000 3,703,088,000 3,623,195,000 3,548,221,000 3,473,398,000 3,399,462,000 3,341,262,000 3,283,210,000 3,240,214,000 3,179,551,000 3,144,229,000 3,069,609,000 2,981,947,000 2,893,556,000 2,812,636,000 2,738,233,000 2,659,370,000 2,576,035,000 2,490,963,000 2,403,189,000 2,311,451,000 2,224,011,000 2,135,733,000 2,140,968,000 2,098,411,000 2,044,696,000 1,991,081,000 1,937,316,000 1,882,618,000 1,825,237,000 1,768,783,000 1,719,557,000 1,677,432,000 1,633,150,000 1,588,222,000 1,543,280,000 1,498,111,000 1,450,302,000 1,403,102,000 1,355,040,000 1,305,569,000 1,254,057,000 1,201,211,000 1,146,652,000 1,087,437,000 1,027,607,000 968,839,000 917,595,000 870,454,000 828,153,000 787,285,000 750,236,000 714,103,000 678,857,000 651,142,000 623,878,000 596,615,000 568,449,000 541,563,000 515,871,000 491,243,000 466,309,000 441,788,000 418,008,000 394,654,000 371,674,000 351,504,000 332,363,000 316,014,000 306,326,000 288,647,000 273,407,000 261,846,000 242,959,000 224,894,000 209,581,000 196,668,000 183,581,000 170,960,000 160,883,000 151,035,000 140,840,000 130,903,000 122,647,000 115,157,000 107,890,000 101,101,000 94,610,000 88,721,000 83,433,000 78,123,000 
        accumulated other comprehensive loss —net unrealized gain on available for sale securities, net of tax benefit of (79) and (432), respectively
      -296,000                                                                                            
        total shareholders’ equity
      7,616,140,000 7,664,938,000 7,599,736,000 7,517,061,000 7,438,495,000 7,361,249,000 7,283,444,000 7,104,544,000 7,079,330,000 7,032,677,000 6,968,116,000 6,739,117,000 6,699,374,000 6,611,642,000 6,521,827,000 6,504,424,000 6,427,236,000 6,345,441,000 6,310,337,000 6,221,846,000 6,130,669,000 6,034,877,000 5,948,122,000 5,855,574,000 5,970,835,000 4,126,806,000 4,127,895,000 4,109,790,000 4,052,824,000 3,995,697,000 3,935,452,000 3,876,145,000 3,824,154,000 3,781,358,000 3,736,188,000 3,689,082,000 3,642,311,000 3,594,812,000 3,544,584,000 3,499,060,000 3,462,910,000 3,411,239,000 3,357,285,000 3,301,861,000 3,244,826,000 3,182,950,000 3,120,594,000 2,840,754,000 2,786,818,000 2,389,112,000 2,345,282,000 2,149,455,000 2,089,389,000 2,038,176,000 1,643,817,000 1,609,533,000 1,567,265,000 1,541,339,000 1,511,648,000 1,480,498,000 1,452,339,000 1,429,570,000 1,404,134,000 1,377,907,000 1,351,245,000 1,327,035,000 1,298,743,000 1,280,548,000 1,255,106,000 1,229,180,000 1,217,605,000 1,146,065,000 1,127,431,000 1,111,245,000 1,081,576,000 1,066,569,000 664,411,000 650,153,000 635,373,000 475,457,000 464,717,000 446,735,000 436,303,000 425,729,000 275,647,000 269,265,000 228,226,000 225,927,000 219,588,000 168,979,000 166,590,000 160,264,000 
        total liabilities and shareholders’ equity
      38,463,425,000 38,330,469,000 38,417,352,000 38,764,675,000 39,566,738,000 40,115,320,000 39,762,294,000 38,756,520,000 38,547,877,000 39,295,684,000 39,905,131,000 37,829,232,000 37,689,829,000 37,843,502,000 37,387,256,000 38,271,186,000 37,833,970,000 36,512,119,000 36,099,924,000 35,558,418,000 34,059,275,000 33,197,599,000 32,966,649,000 31,743,499,000 32,185,708,000 22,092,817,000 22,375,221,000 22,354,241,000 22,693,402,000 22,612,583,000 22,570,740,000 22,472,314,000 22,587,292,000 22,143,263,000 22,296,543,000 22,477,419,000 22,331,072,000 21,404,044,000 21,796,310,000 21,978,345,000 22,037,216,000 21,567,236,000 21,686,287,000 21,606,859,000 21,507,733,000 21,117,314,000 21,248,106,000 18,913,133,000 18,642,028,000 16,054,279,000 16,270,718,000 15,081,314,000 14,583,573,000 13,712,119,000 10,737,351,000 10,889,955,000 9,822,671,000 9,567,087,000 9,657,147,000  9,476,572,000 9,238,502,000 9,608,822,000 9,218,733,000 8,850,400,000 8,957,332,000 8,838,599,000 8,799,197,000 9,072,364,000 6,787,909,000 6,793,734,000 6,464,733,000 6,372,343,000 6,170,524,000 6,184,914,000 6,326,699,000 4,586,769,000 4,455,716,000 4,531,951,000 3,571,613,000 3,585,982,000    2,697,228,000    2,398,683,000 2,078,532,000 1,983,277,000  
        accumulated other comprehensive loss —net unrealized loss on available for sale securities, net of tax benefit of (417) and (432), respectively
       -1,570,000                                                                                           
        accumulated other comprehensive loss —net unrealized loss on available for sale securities, net of tax benefit of (348) and (432), respectively
        -1,309,000                                                                                          
        accumulated other comprehensive loss —net unrealized loss on available for sale securities, net of tax benefit of (288) and (432), respectively
         -1,085,000                                                                                         
        accumulated other comprehensive loss —net unrealized gain on available for sale securities, net of tax benefit of (432) and (372), respectively
          -1,624,000                                                                                        
        subordinated debentures
                3,093,000                                                                                  
        accumulated other comprehensive loss —net unrealized loss on available for sale securities, net of tax benefit of (225) and (372), respectively
           -845,000                                                                                       
        accumulated other comprehensive loss —net unrealized loss on available for sale securities, net of tax benefit of (422) and (372), respectively
            -1,586,000                                                                                      
        accumulated other comprehensive loss —net unrealized loss on available for sale securities, net of tax benefit of (620) and (372), respectively
             -2,333,000                                                                                     
        subordinated notes
                           125,146,000 125,365,000 125,585,000 125,804,000                                                                    
        accumulated other comprehensive loss —net unrealized gain on available for sale securities, net of tax benefit of (372) and (923), respectively
              -1,398,000                                                                                    
        accumulated other comprehensive loss —net unrealized loss on available for sale securities, net of tax benefit of (513) and (923), respectively
               -1,930,000                                                                                   
        accumulated other comprehensive loss —net unrealized loss on available for sale securities, net of tax benefit of (713) and (923), respectively
                -2,681,000                                                                                  
        accumulated other comprehensive loss —net unrealized loss on available for sale securities, net of tax benefit of (924) and (923), respectively
                 -3,476,000                                                                                 
        accumulated other comprehensive income —net unrealized gain on available for sale securities, net of tax (benefit) expense of (923) and 481, respectively
                  -3,473,000                                                                                
        accumulated other comprehensive income —net unrealized gain on available for sale securities, net of tax (benefit) expense of (62) and 481, respectively
                   -235,000                                                                               
        accumulated other comprehensive income —net unrealized gain on available for sale securities, net of tax expense of 318 and 481, respectively
                    1,198,000                                                                              
        fed funds purchased and other borrowings
                           2,570,000 103,131,000 1,338,429,000 1,303,730,000    1,031,126,000    505,223,000    990,781,000    491,399,000    8,724,000                                                
        accumulated other comprehensive income —net unrealized gain on available for sale securities, net of tax expense of 444 and 481, respectively
                     1,671,000                                                                             
        accumulated other comprehensive income —net unrealized gain on available for sale securities, net of tax expense of 481 and 205, respectively
                      1,809,000                                                                            
        accumulated other comprehensive income —net unrealized gain on available for sale securities, net of tax expense of 521 and 205, respectively
                       1,961,000                                                                           
        accumulated other comprehensive income —net unrealized gain on available for sale securities, net of tax expense of 293 and 205, respectively
                        1,101,000                                                                          
        accumulated other comprehensive income —net unrealized gain on available for sale securities, net of tax expense of 204 and 205, respectively
                         766,000                                                                         
        accumulated other comprehensive income —net unrealized gain on available for sale securities, net of tax expense of 205 and 160, respectively
                          769,000                                                                        
        accumulated other comprehensive income —net unrealized gain on available for sale securities, net of tax (benefit) expense of (93) and 160, respectively
                           -349,000                                                                       
        allowance for credit losses on off-balance sheet credit exposure
                            29,947,000 29,947,000                                                                     
        accumulated other comprehensive income —net unrealized gain on available for sale securities, net of tax (benefit) expense of (371) and 160, respectively
                            -1,396,000                                                                      
        accumulated other comprehensive income —net unrealized gain on available for sale securities, net of tax (benefit) expense of (718) and 160, respectively
                             -2,703,000                                                                     
        less: allowance for credit losses
                              -87,469,000 -87,061,000 -87,006,000 -86,091,000 -86,440,000 -85,996,000 -84,964,000 -83,600,000 -84,041,000 -86,812,000 -83,783,000 -84,095,000 -85,326,000 -85,585,000 -83,826,000 -83,714,000 -81,384,000 -81,003,000 -80,972,000 -80,963,000 -80,762,000 -77,613,000 -73,266,000 -67,096,000 -67,282,000 -59,913,000 -56,176,000 -55,049,000                                         
        accumulated other comprehensive income —net unrealized gain on available for sale securities, net of tax expense of 160 and 82, respectively
                              602,000                                                                    
        accumulated other comprehensive income —net unrealized gain on available for sale securities, net of tax expense of 10 and 82, respectively
                               38,000                                                                   
        accumulated other comprehensive income —net unrealized gain on available for sale securities, net of tax expense of 338 and 82, respectively
                                1,273,000                                                                  
        accumulated other comprehensive income —net unrealized gain on available for sale securities, net of tax expense of 188 and 82, respectively
                                 707,000                                                                 
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax benefit of 82 and (30), respectively
                                  310,000                                                                
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax benefit of 123 and (30), respectively
                                   463,000                                                               
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax expense of 92 and (30), respectively
                                    345,000                                                              
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax expense of 12 and (30), respectively
                                     45,000                                                             
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax (benefit) expense of (30) and 760, respectively
                                      -113,000                                                            
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 572 and 760, respectively
                                       1,063,000                                                           
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 1,005 and 760, respectively
                                        1,866,000                                                          
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 770 and 760, respectively
                                         1,430,000                                                         
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 760 and 1,098, respectively
                                          1,411,000                                                        
        less treasury stock, at cost, none at december 31, 2016 and 37,088 shares at december 31, 2015
                                                                                                  
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 808 and 1,098, respectively
                                           1,502,000                                                       
        less: treasury stock, at cost, 37,088 shares
                                                                                                  
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 873 and 1,098, respectively
                                            1,623,000                                                      
        less treasury stock, at cost, 37,088 shares
                                             -607,000 -607,000 -607,000 -607,000 -607,000 -607,000 -607,000 -607,000 -607,000 -607,000 -607,000 -607,000 -607,000 -607,000 -607,000 -607,000 -607,000 -607,000 -607,000  -607,000 -607,000 -607,000  -607,000 -607,000 -607,000   -607,000 -607,000 -607,000 -607,000 -607,000 -607,000 -607,000 -607,000 -607,000 -607,000 -607,000 -607,000 -607,000    -607,000        
        junior subordinated debentures
                                             7,217,000     167,531,000 167,531,000 167,531,000 124,231,000 124,231,000 85,055,000 85,055,000 85,055,000 85,055,000 85,055,000 85,055,000 85,055,000 85,055,000 85,055,000 85,055,000 85,055,000 92,265,000 92,265,000 92,265,000 92,265,000 92,265,000 92,265,000 92,265,000 92,265,000 92,265,000 92,265,000 92,265,000 112,885,000 112,885,000 112,885,000 120,617,000 145,360,000 100,519,000 100,519,000 100,519,000 69,589,000 75,775,000 75,775,000 75,775,000 75,775,000 47,424,000 59,804,000 59,804,000 59,804,000     
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 1,150 and 1,098, respectively
                                             2,136,000                                                     
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 1,098 and 2,008, respectively
                                              2,040,000                                                    
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 1,326 and 2,008, respectively
                                               2,462,000                                                   
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 1,629 and 2,008, respectively
                                                3,026,000                                                  
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 1,854 and 2,008, respectively
                                                 3,442,000                                                 
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 2,008 and 2,630, respectively
                                                  3,729,000                                                
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 2,015 and 2,630, respectively
                                                   3,741,000                                               
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 2,347 and 2,630, respectively
                                                    4,359,000                                              
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 2,458 and 2,630, respectively
                                                     4,565,000                                             
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 2,630 and 4,839, respectively
                                                      4,883,000                                            
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 3,006 and 4,839, respectively
                                                       5,582,000                                           
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 3,403 and 4,839, respectively
                                                        6,320,000                                          
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 4,219 and 4,839, respectively
                                                         7,835,000                                         
        less allowance for credit losses
                                                          -52,564,000    -51,594,000  -51,932,000  -51,584,000  -52,727,000  -51,863,000  -42,611,000 -39,238,000 -36,970,000  -34,085,000 -32,067,000 -32,543,000 -35,536,000 -36,129,000 -36,341,000 -23,990,000 -24,093,000 -24,280,000 -17,312,000 -17,203,000 -16,970,000 -16,939,000 -16,934,000 -13,105,000 -12,861,000 -10,371,000 -10,460,000 -10,345,000 -9,061,000 -9,228,000 -9,318,000 
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 4,839 and 7,254, respectively
                                                          8,986,000                                        
        interest-bearing time deposits in other financial institutions
                                                           249,000 248,000                                      
        securities available for sale, at fair value
                                                           250,387,000 272,735,000 298,516,000  356,153,000  397,377,000  469,817,000  565,397,000  630,517,000    229,278,000 249,642,000                      
        securities held to maturity, at cost
                                                           6,549,126,000 5,127,309,000 5,348,013,000  4,074,377,000  4,401,265,000  4,002,822,000  3,960,109,000  3,624,540,000    2,065,125,000 1,986,061,000                      
        allowance for credit losses
                                                           -50,927,000 -50,382,000 -51,642,000  -52,513,000  -51,760,000  -51,354,000  -51,893,000  -47,312,000    -33,981,000                       
        core deposit intangibles, net of accumulated amortization of 63,455 and 58,158, respectively
                                                           28,092,000                                       
        federal home loan bank stock
                                                           42,417,000 44,236,000 35,032,000  14,136,000  20,343,000  15,355,000  10,610,000  18,306,000    16,701,000                       
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 5,947 and 7,254, respectively
                                                           11,044,000                                       
        core deposit intangibles, net of accumulated amortization of 61,448 and 58,158, respectively
                                                            17,706,000                                      
        accumulated other comprehensive income — net unrealized gain on available for sale securities, net of tax of 6,198 and 7,254, respectively
                                                            11,511,000                                      
        core deposit intangibles, net of accumulated amortization of 59,583 and 58,158, respectively
                                                             19,301,000                                     
        accumulated other comprehensive income — net unrealized gain on available for sale securities, net of tax of 6,840 and 7,254, respectively
                                                             12,702,000                                     
        core deposit intangibles, net of accumulated amortization of 58,158 and 50,378, respectively
                                                              20,996,000                                    
        bank owned life insurance (boli)
                                                              50,029,000    48,697,000    48,091,000    46,794,000    45,486,000    14,176,000 14,048,000 13,926,000 13,796,000 13,676,000            
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 7,254 and 7,702, respectively
                                                              13,472,000                                    
        core deposit intangibles, net of accumulated amortization of 56,279 and 50,378, respectively
                                                               22,874,000                                   
        accumulated other comprehensive income — net unrealized gain on available for sale securities, net of tax of 8,497 and 7,702 respectively
                                                               15,781,000                                   
        core deposit intangibles, net of accumulated amortization of 54,355 and 50,378, respectively
                                                                24,799,000                                  
        accumulated other comprehensive income—unrealized gain on available for sale securities, net of tax of 8,277 and 7,702, respectively
                                                                15,371,000                                  
        treasury stock
                                                                -607,000    -607,000    -607,000 -607,000                         
        core deposit intangibles, net of accumulated amortization of 52,412 and 50,378, respectively
                                                                 26,742,000                                 
        accumulated other comprehensive income — net unrealized gain on available for sale securities, net of tax of 7,381 and 7,702, respectively
                                                                 13,707,000                                 
        total liabilities and shareholders’
                                                                                                  
        equity
                                                                 9,722,947,000                                 
        core deposit intangibles, net of accumulated amortization of 50,378 and 41,362, respectively
                                                                  28,776,000                                
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 7,702 and 9,049, respectively
                                                                  14,304,000                                
        core deposit intangibles, net of accumulated amortization of 48,206 and 41,362, respectively
                                                                   30,948,000                               
        accumulated other comprehensive income — net unrealized gain on available for sale securities, net of tax of 9,404 and 9,049, respectively
                                                                   17,465,000                               
        core deposit intangibles, net of accumulated amortization of 45,933 and 41,362, respectively
                                                                    33,389,000                              
        accumulated other comprehensive income—unrealized gain on available for sale securities, net of tax of 9,810 and 9,049, respectively
                                                                    18,218,000                              
        core deposit intangibles, net of accumulated amortization of 43,652 and 41,362, respectively
                                                                     33,095,000                             
        leased assets
                                                                     213,000 326,000 505,000 646,000 787,000 928,000 2,362,000 3,042,000 3,301,000 3,559,000 3,818,000 4,076,000 4,216,000 3,709,000 3,898,000 4,087,000 4,275,000 4,464,000            
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 9,698 and 9,049, respectively
                                                                     18,011,000                             
        interest bearing deposits in financial institutions
                                                                          106,000 204,000 535,000 200,000 200,000 297,000 297,000 297,000 397,000 397,000 297,000 297,000 297,000    200,000    262,000    
        core deposit intangibles, net of accumulated amortization of 41,362 and 31,287, respectively
                                                                      35,385,000                            
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 9,049 and 5,305, respectively
                                                                      16,806,000                            
        core deposit intangibles, net of accumulated amortization of 38,922 and 31,287, respectively
                                                                       37,825,000                           
        accumulated other comprehensive income — net unrealized gain on available for sale securities, net of tax of 9,341 and 5,305, respectively
                                                                       17,347,000                           
        interest-bearing deposits in financial institutions
                                                                                       296,000 296,000 196,000  600,000 100,000 150,000  212,000 410,000 399,000 
        core deposit intangibles, net of accumulated amortization of 36,442 and 31,287, respectively
                                                                        40,305,000                          
        accumulated other comprehensive income — unrealized gain on available for sale securities, net of tax of 7,054 and 5,305, respectively
                                                                        13,099,000                          
        core deposit intangibles, net of accumulated amortization of 33,951 and 31,287, respectively
                                                                         42,796,000                         
        accumulated other comprehensive income — net of unrealized gain on available for sale securities, net of tax of 8,325 and 5,305, respectively
                                                                         15,460,000                         
        core deposit intangibles, net of accumulated amortization of 31,287 and 21,490, respectively
                                                                          38,196,000                        
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax of 5,305 and 763, respectively
                                                                          9,853,000                        
        core deposit intangibles, net of accumulated amortization of 29,003 and 21,490, respectively
                                                                           44,974,000                       
        accumulated other comprehensive income — net unrealized gain on available for sale securities, net of tax of 427 and 763, respectively
                                                                           793,000                       
        core deposit intangibles, net of accumulated amortization of 26,441 and 21,490, respectively
                                                                            47,536,000                      
        accumulated other comprehensive gain — net unrealized gain on available for sale securities, net of tax benefit of 221 and tax of 763, respectively
                                                                            -411,000                      
        core deposit intangibles, net of accumulated amortization of 23,982 and 21,490, respectively
                                                                             44,640,000                     
        accumulated other comprehensive gain — net unrealized gain on available for sale securities, net of tax of 1,366 and 763, respectively
                                                                             2,537,000                     
        core deposit intangibles, net of accumulated amortization of 21,490 and 11,573, respectively
                                                                              46,069,000                    
        accumulated other comprehensive income—net unrealized gain on available for sale securities, net of tax and tax benefit of 763 and 1,588, respectively
                                                                              1,417,000                    
        core deposit intangibles, net of accumulated amortization of 18,870 and 11,573, respectively
                                                                               48,689,000                   
        accumulated other comprehensive loss — net unrealized loss on available for sale securities, net of tax benefit of 1,023 and 1,588, respectively
                                                                               -1,901,000                   
        loans held-for-sale
                                                                                23,435,000                  
        core deposit intangibles, net of accumulated amortization of 16,283 and 11,573, respectively
                                                                                49,317,000                  
        accumulated other comprehensive loss — net unrealized loss on available for sale securities, net of tax benefit of 1,789 and 1,588, respectively
                                                                                -3,322,000                  
        core deposit intangibles, net of accumulated amortization of 13,717 and 11,573, respectively
                                                                                 51,883,000                 
        accumulated other comprehensive loss — net unrealized loss on available for sale securities, net of tax benefit of 852 and 1,588, respectively
                                                                                 -1,583,000                 
        core deposit intangibles, net of accumulated amortization of 11.6 million and 6.7 million, respectively
                                                                                  23,032,000                
        shareholders equity:
                                                                                                  
        accumulated other comprehensive loss—net unrealized loss on available for sale securities, net of tax benefit of 1,588 and 2,122, respectively
                                                                                  -2,950,000                
        held to maturity securities, at cost (fair value of 1,155,785 and 1,135,694, respectively
                                                                                   1,189,094,000               
        core deposit intangibles, net of accumulated amortization of 10,320 and 6,704, respectively
                                                                                   24,285,000               
        accumulated other comprehensive loss — net unrealized loss on available for sale securities, net of tax benefit of 2,171 and 2,122, respectively
                                                                                   -4,032,000               
        core deposit intangibles, net of accumulated amortization of 9,129 and 6,704, respectively
                                                                                    25,476,000              
        accumulated other comprehensive loss — net unrealized loss on available for sale securities, net of tax benefit of 2,747 and 2,122, respectively
                                                                                    -5,101,000              
        held to maturity securities, at cost (fair value of 1,124,330, and 1,135,694, respectively
                                                                                     1,158,535,000             
        core deposit intangibles, net of accumulated amortization of 7.8 million and 6.7 million, respectively
                                                                                     21,100,000             
        accumulated other comprehensive loss — net unrealized loss on available for sale securities, net of tax benefit of 2,229 and 2,122, respectively
                                                                                     -4,140,000             
        core deposit intangibles, net of accumulated amortization of 6.7 million and 2.8 million, respectively
                                                                                      22,461,000            
        accumulated other comprehensive loss—net unrealized loss on available for sale securities, net of tax benefit of 1,669 and 1,090, respectively
                                                                                      -3,942,000            
        core deposit intangibles, net of accumulated amortization of 5.6 million and 2.8 million, respectively
                                                                                       22,039,000           
        total
                                                                                       3,493,972,000 3,446,816,000 3,479,747,000  2,713,314,000 2,434,344,000 2,449,553,000    1,879,386,000 
        accumulated other comprehensive loss — net unrealized loss on available for sale securities, net of tax benefit of 2,297 and 1,669, respectively
                                                                                       -4,265,000           
        less treasury stock, at cost, 37,088 shares at september 30, 2005 and december 31, 2004
                                                                                       -607,000           
        interest income:
                                                                                                  
        loans, including fees
                                                                                       26,992,000 25,716,000 19,670,000  14,760,000 12,149,000 12,313,000    11,430,000 
        securities:
                                                                                                  
        taxable
                                                                                       15,066,000 14,749,000 13,447,000  13,320,000 13,553,000 13,168,000    9,864,000 
        nontaxable
                                                                                       317,000 319,000 346,000  359,000 371,000 385,000    426,000 
        70% nontaxable preferred dividends
                                                                                       130,000 128,000 128,000  183,000 190,000 452,000    452,000 
        deposits in financial institutions
                                                                                       2,000 2,000   5,000 1,000     6,000 
        total interest income
                                                                                       42,707,000 41,106,000 34,033,000   26,313,000 26,372,000    22,212,000 
        interest expense:
                                                                                                  
        deposits
                                                                                       11,663,000 10,691,000 8,271,000  6,316,000 5,686,000 5,781,000    5,826,000 
        federal funds purchased and other borrowings
                                                                                       566,000           
        total interest expense
                                                                                       13,787,000 12,627,000 9,556,000  7,696,000 6,962,000 7,025,000    6,081,000 
        net interest income
                                                                                       28,920,000 28,479,000 24,477,000  21,067,000 19,351,000 19,347,000    16,131,000 
        benefit from credit losses
                                                                                       120,000 120,000 120,000  420,000 120,000 120,000    120,000 
        net interest income after benefit from credit losses
                                                                                       28,800,000 28,359,000 24,357,000  20,647,000 19,231,000 19,227,000    16,011,000 
        noninterest income:
                                                                                                  
        customer service fees
                                                                                       6,774,000 6,478,000 5,408,000  5,237,000 4,830,000 4,760,000    3,255,000 
        other
                                                                                       1,318,000 1,403,000 1,125,000  874,000 625,000 512,000    566,000 
        gain on sale of securities
                                                                                                  
        total noninterest income
                                                                                       8,092,000 7,881,000 6,533,000  6,111,000 5,455,000 5,272,000    3,821,000 
        noninterest expense:
                                                                                                  
        salaries and employee benefits
                                                                                       9,653,000 9,520,000 8,531,000  7,147,000 6,608,000 6,704,000    5,407,000 
        net occupancy expense
                                                                                       1,810,000 1,691,000 1,371,000  1,499,000 1,286,000 1,043,000    954,000 
        data processing
                                                                                       762,000 701,000 596,000  540,000 490,000 447,000    615,000 
        core deposit intangible amortization
                                                                                       1,025,000 1,098,000   455,000 382,000      
        depreciation expense
                                                                                       1,209,000 1,158,000 970,000  728,000 689,000 701,000    605,000 
        total noninterest expense.
                                                                                       18,070,000    13,194,000       
        income before income taxes
                                                                                       18,822,000 18,428,000 15,056,000  13,564,000 12,619,000 12,040,000    9,332,000 
        benefit from income taxes
                                                                                       6,351,000 6,220,000 4,502,000  4,618,000 4,257,000 3,977,000    2,943,000 
        net income
                                                                                       12,471,000 12,208,000 10,554,000  8,946,000 8,362,000 8,063,000    6,389,000 
        earnings per share
                                                                                                  
        basic
                                                                                       450 440 440  410 400 390    340 
        diluted
                                                                                       450 440 430  400 390 380    330 
        core deposit intangibles, net of accumulated amortization of 4,613 and 2,792, respectively
                                                                                        23,785,000          
        accumulated other comprehensive loss — net unrealized loss on available for sale securities, net of tax benefit of 2,133 and 1,669, respectively
                                                                                        -3,962,000          
        less treasury stock, at cost, 37,088 shares at june 30, 2005 and december 31, 2004, respectively
                                                                                        -607,000          
        federal funds sold.
                                                                                        192,000   136,000       
        note payable and federal funds sold
                                                                                        663,000    305,000      
        total noninterest expense
                                                                                        17,812,000 15,834,000   12,067,000 12,459,000    10,500,000 
        core deposit intangibles, net of accumulated amortization of 3,515 and 2,792, respectively
                                                                                         24,883,000         
        accumulated other comprehensive income — net unrealized losses on available for sale securities, net of tax benefit of 2,152 and 1,669, respectively
                                                                                         -3,996,000         
        less treasury stock, at cost, 37,088 shares at march 31, 2005 and december 31, 2004, respectively
                                                                                         -607,000         
        deposits in other financial institutions
                                                                                         1,000    1,000     
        note payable and other borrowings
                                                                                         396,000    248,000    255,000 
        communications expense
                                                                                         820,000    725,000    618,000 
        core deposit intangibles amortization
                                                                                         723,000    383,000    193,000 
        core deposit intangibles, net of accumulated amortization of 2.8 million and 1.0 million, respectively
                                                                                          11,492,000        
        accumulated other comprehensive income — net unrealized gain on available for sale securities, net of tax benefit of 1,669 and tax of 1,090, respectively
                                                                                          -3,099,000        
        core deposit intangibles, net of accumulated amortization of 2,231 and 1,010, respectively
                                                                                           13,300,000       
        accumulated other comprehensive income — net unrealized gain on available for sale securities, net of tax benefit of 1,002 and tax of 1,090, respectively
                                                                                           -1,861,000       
        less treasury stock, at cost, 37,088 shares at september 30, 2004 and december 31, 2003, respectively
                                                                                           -607,000       
        total interest income.
                                                                                           28,763,000       
        federal funds sold and other borrowings
                                                                                           336,000       
        core deposit intangibles, net of accumulated amortization of 1,775 and 1,010, respectively
                                                                                            8,080,000      
        accumulated other comprehensive income — net unrealized gain on available for sale securities, net of tax benefit of 1,569 and tax of 1,090, respectively
                                                                                            -2,914,000      
        less treasury stock, at cost, 37,088 shares at june 30, 2004 and december 31, 2003, respectively
                                                                                            -607,000      
        core deposit intangibles, net of accumulated amortization of 1,394 and 1,010, respectively
                                                                                             8,461,000     
        accumulated other comprehensive income — net unrealized gains on available for sale securities, net of tax of 974 and 1,090, respectively
                                                                                             1,809,000     
        less treasury stock, at cost, 37,088 shares at march 31, 2004 and december 31, 2003, respectively
                                                                                             -607,000     
        core deposit intangibles, net of accumulated amortization of 1.0 million and 192,000, respectively
                                                                                              6,743,000    
        company-obligated manditorily redeemable trust preferred securities of subsidiary trusts
                                                                                              58,000,000    
        accumulated other comprehensive income—net unrealized gains on available for sale securities, net of tax of 1,090 and of 1,424, respectively
                                                                                              2,024,000    
        less treasury stock, at cost, 37,088 and 7,152 shares, respectively
                                                                                              -607,000    
        company-obligated mandatorily redeemable trust preferred securities of subsidiary trusts
                                                                                               45,500,000 33,000,000  
        accumulated other comprehensive income— net unrealized gain on available for sale securities, net of tax of 739 (unaudited) and 1,424 respectively
                                                                                               1,373,000   
        less treasury stock, at cost, 37,088 shares at september 30, 2003 (unaudited) and 7,152 shares at december 31, 2002
                                                                                               -607,000   
        accumulated other comprehensive income — net unrealized gain on available for sale securities, net of tax of 1,976 (unaudited) and 1,424 respectively
                                                                                                3,670,000  
        less treasury stock, at cost, 7,152 shares at june 30, 2003 (unaudited) and december 31, 2002
                                                                                                -37,000  
        core deposit intangibles, net of accumulated amortization of 386,000 and 192,000 respectively
                                                                                                 4,236,000 
        company-obligated mandatorily redeemable trust preferreed securities of subsidiary trusts
                                                                                                 33,000,000 
        accumulated other comprehensive income — net unrealized gains on available for sale securities, net of tax of 1,488 (unaudited) and 1,424, respectively
                                                                                                 2,763,000 
        less treasury stock, at cost, 7,152 shares at march 31, 2003 (unaudited) and december 31, 2002, respectively
                                                                                                 -37,000 
        minority interest trust preferred securities
                                                                                                 569,000 
      Cashflow Statements:
      Quarterly
      Annual
        Unit: USD2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31 2011-09-30 2011-06-30 2011-03-31 2010-12-31 2010-09-30 2010-06-30 2010-03-31 2009-12-31 2009-09-30 2009-06-30 2009-03-31 2008-12-31 2008-09-30 2008-06-30 2008-03-31 2007-12-31 2007-09-30 2007-06-30 2007-03-31 2006-12-31 2006-09-30 2006-06-30 2006-03-31 2005-12-31 2005-09-30 2005-06-30 2005-03-31 2004-12-31 2004-09-30 2004-06-30 2004-03-31 2003-12-31 2003-09-30 2003-06-30 2003-03-31 
                                                                                                    
          cash flows from operating activities:
                                                                                                    
          net income
        139,907,000 137,556,000 135,155,000 130,225,000 130,076,000 127,282,000 111,602,000 110,426,000 95,476,000 112,208,000 86,938,000 124,694,000 137,880,000 135,820,000 128,490,000 122,326,000 126,787,000 128,590,000 130,611,000 133,309,000 137,091,000 130,064,000 130,901,000 130,848,000 86,134,000 81,758,000 82,258,000 82,402,000 83,331,000 82,523,000 81,597,000 74,361,000 67,138,000 67,908,000 68,554,000 68,565,000 68,793,000 68,651,000 68,071,000 68,951,000 70,475,000 70,598,000 71,932,000 73,641,000 78,228,000 76,570,000 75,506,000 67,137,000 62,971,000 55,278,000 53,844,000 49,305,000 48,266,000 46,176,000 36,972,000 36,487,000 36,406,000 36,373,000 35,092,000 33,878,000 32,798,000 32,166,000 31,746,000 30,998,000 30,569,000 29,322,000 26,510,000 25,478,000 22,685,000 15,447,000 23,437,000 22,938,000 17,080,000 23,849,000 22,993,000 20,229,000 16,602,000 16,364,000 15,895,000 12,864,000 12,627,000 12,471,000 12,208,000 10,554,000 9,336,000 8,946,000 8,362,000 8,063,000 7,193,000 6,469,000 6,497,000 6,389,000 
          adjustments to reconcile net income to net cash from operating activities:
                                                                                                    
          depreciation and core deposit intangibles amortization
        8,744,000 8,568,000 8,389,000 8,415,000 8,922,000 8,887,000 8,992,000 7,923,000 8,166,000 8,161,000 7,825,000 6,807,000 6,996,000 7,013,000 7,120,000 7,167,000 7,373,000 7,402,000 7,400,000 7,471,000 7,504,000 7,875,000 7,891,000 8,131,000 6,917,000 4,534,000 4,376,000 4,423,000 4,551,000 4,617,000 4,555,000 4,601,000 4,633,000 4,736,000 4,770,000 5,018,000 5,396,000 5,707,000 5,620,000 5,571,000 5,605,000 5,669,000 5,810,000 5,405,000 6,158,000 6,114,000 6,152,000 5,246,000 4,666,000 4,134,000                                           
          provision for credit losses
                               1,700,000 1,100,000 800,000 700,000   4,000,000 9,000,000    2,675,000        1,250,000      4,025,000                                           
          deferred income tax expense
                                                                                                    
          net amortization of premium on investments
        4,668,000 2,877,000 4,926,000 5,027,000 5,609,000 5,574,000 5,831,000 5,822,000 6,428,000 6,897,000 7,131,000 7,384,000 8,703,000 9,947,000 11,450,000 12,857,000 16,006,000 15,141,000 14,436,000 12,844,000 11,509,000 10,089,000 9,224,000 8,005,000 8,556,000 8,027,000 7,607,000 6,589,000 7,338,000 8,073,000 7,753,000 8,450,000 9,521,000 10,115,000 9,403,000 9,883,000 11,502,000 11,312,000 10,407,000 10,253,000 13,773,000 14,845,000 15,467,000 14,144,000 13,033,000 13,529,000 12,839,000 12,279,000 11,878,000 15,131,000 18,984,000 22,710,000 23,996,000 21,423,000                                   1,497,000    
          net gain on sale or write-up of securities
            -224,000                                                                                       
          gain on sale or write down of premises, equipment, other assets and other real estate
                                                                                                    
          net amortization of premium on deposits
        -1,000 -1,000 -2,000 -9,000 -21,000 -40,000 4,000 -97,000 -150,000 -210,000 -187,000 -53,000 -59,000 -68,000 -84,000 -100,000 -127,000 -201,000 -327,000 -507,000 -790,000 -1,240,000 -1,793,000 -2,270,000     -53,000 -53,000 -39,000                                                            
          net accretion of discount on loans
        -3,131,000 -2,855,000 -3,124,000 -3,292,000 -3,611,000 -4,828,000 -7,191,000 -1,860,000 -2,480,000 -2,275,000 -2,419,000 -872,000 -913,000 -1,234,000 -59,000 -5,195,000 -5,366,000 -5,379,000 -12,192,000 -16,341,000 -16,059,000 -22,534,000 -24,266,000 -28,482,000 -23,742,000 -1,283,000 -1,227,000 -1,793,000 -2,903,000 -3,457,000 -5,223,000 -2,326,000 -4,796,000 -7,886,000 -4,471,000 -4,753,000 -7,552,000 -7,620,000 -9,304,000 -14,494,000 -7,839,000 -11,034,000 -13,602,000 -19,647,000 -28,591,000 -28,458,000 -25,351,000 -13,476,000 -19,979,000 -16,421,000 -12,031,000 -14,292,000                                         
          proceeds from sale of loans held for sale
        37,657,000 35,960,000 43,656,000 35,411,000 32,797,000 39,976,000 39,499,000 24,475,000 42,231,000 45,044,000 15,313,000 8,470,000 6,585,000 17,898,000 12,929,000 20,076,000 23,277,000 43,928,000 71,732,000 110,602,000 124,010,000 122,918,000 119,703,000 96,119,000 88,934,000 37,904,000 55,094,000 39,556,000 33,978,000 45,341,000 59,704,000 40,916,000 39,171,000 40,692,000 51,916,000 59,037,000 67,736,000 76,797,000 69,880,000 58,460,000 48,216,000 78,292,000 61,700,000 45,327,000 41,527,000 58,319,000 58,594,000 23,698,000 25,039,000 45,517,000 56,097,000 42,131,000                                         
          originations of loans held for sale
        -43,420,000 -41,437,000 -39,453,000 -33,476,000 -39,695,000 -35,254,000 -42,324,000 -24,509,000 -39,989,000 -44,258,000 -23,704,000 -9,280,000 -5,461,000 -17,078,000 -13,004,000 -15,225,000 -27,356,000 -44,512,000 -57,993,000 -82,777,000 -124,050,000 -133,571,000 -92,664,000 -79,377,000 -92,255,000 -37,253,000 -50,083,000 -33,876,000 -39,363,000 -44,770,000 -51,864,000 -43,373,000 -49,241,000 -39,923,000 -55,470,000 -52,904,000 -70,164,000 -74,818,000 -76,374,000 -56,903,000 -63,852,000 -78,672,000 -60,088,000 -46,254,000 -44,701,000 -57,063,000 -61,720,000 -25,046,000 -22,357,000 -44,223,000 -56,361,000 -40,131,000                                         
          stock based compensation expense
        3,090,000 2,953,000 3,006,000 3,053,000 3,202,000 3,128,000 3,134,000 3,379,000 3,125,000 3,147,000 2,743,000 3,166,000 3,308,000 2,857,000 2,677,000 2,923,000 3,084,000 2,998,000 3,084,000 3,406,000 3,133,000 3,171,000 2,963,000 3,340,000 2,963,000 2,494,000 2,345,000 2,804,000 2,582,000 2,746,000 2,553,000 2,607,000 1,847,000 1,691,000 1,742,000 1,662,000 2,310,000 2,071,000 2,514,000 2,652,000 2,555,000 2,850,000 2,927,000 2,763,000 2,303,000 2,224,000 2,538,000 1,171,000 1,036,000 1,033,000 908,000 1,198,000 389,000 1,057,000 946,000 1,215,000   936,000 707,000   692,000 791,000   294,000 326,000    248,000    432,000    172,000             
          decrease in accrued interest receivable and other assets
        15,063,000 17,394,000 -6,189,000 56,200,000  7,983,000 14,357,000 2,811,000        24,688,000 -6,909,000 13,005,000 4,648,000 50,582,000    41,497,000 70,286,000   7,034,000      3,897,000 23,113,000 -17,703,000   -6,741,000 62,906,000    30,543,000    8,840,000  -1,349,000                                           
          increase in accrued interest payable and other liabilities
        -83,476,000 34,820,000 -45,585,000 -22,577,000 -215,189,000 126,398,000 84,060,000 60,042,000 -146,847,000 75,812,000 12,008,000 105,986,000  92,368,000 -41,547,000 67,862,000  24,639,000 47,767,000 15,995,000  -78,847,000 20,788,000 33,225,000 -70,242,000 17,398,000 -5,230,000 26,672,000 -28,076,000 -24,769,000 3,460,000 -8,666,000 -57,676,000 51,448,000 -38,251,000 75,998,000 -73,731,000 36,927,000 -2,342,000 12,159,000 -32,916,000 13,043,000 13,514,000 11,856,000 -75,200,000 15,082,000 26,896,000 35,480,000 -31,140,000 16,983,000 -22,303,000 28,036,000    23,846,000 -18,619,000   19,295,000    13,998,000    12,886,000 2,437,000   7,087,000 -4,999,000   -3,486,000 -1,150,000   2,882,000 3,277,000 3,288,000 -6,214,000 -797,000 -359,000 4,218,000 -1,218,000 4,088,000   -5,209,000 1,849,000 
          net cash from operating activities
        78,342,000 194,822,000 98,176,000 178,173,000 -205,844,000 274,644,000 216,494,000 187,400,000 27,948,000 243,735,000 194,899,000 179,773,000 -478,000 191,797,000 79,525,000 235,682,000 75,023,000 184,115,000 204,843,000 230,747,000 85,425,000 59,512,000 227,453,000 209,931,000 53,816,000 142,709,000 72,924,000 133,565,000 93,938,000 68,335,000 80,345,000 77,528,000 44,327,000 138,509,000 63,441,000 144,448,000 -17,985,000 125,394,000 65,948,000 160,998,000 31,691,000 82,651,000 79,906,000 116,566,000 68,231,000 85,575,000 81,776,000 112,679,000 58,974,000 80,853,000 55,052,000 112,778,000 9,117,000 115,716,000 34,870,000 50,111,000 35,493,000 71,726,000 36,894,000 73,756,000 29,011,000 57,830,000 28,507,000 62,348,000 -4,548,000 29,572,000 -5,501,000 54,105,000 28,685,000 33,391,000 28,355,000 33,249,000 41,912,000 32,725,000 32,730,000 128,709,000 15,942,000 20,038,000 20,828,000 18,426,000 15,186,000 20,213,000 13,844,000 16,459,000 11,607,000 11,145,000 9,423,000 14,193,000 13,906,000 7,393,000 5,367,000 12,853,000 
          capital expenditures
          free cash flows
        78,342,000 194,822,000 98,176,000 178,173,000 -205,844,000 274,644,000 216,494,000 187,400,000 27,948,000 243,735,000 194,899,000 179,773,000 -478,000 191,797,000 79,525,000 235,682,000 75,023,000 184,115,000 204,843,000 230,747,000 85,425,000 59,512,000 227,453,000 209,931,000 53,816,000 142,709,000 72,924,000 133,565,000 93,938,000 68,335,000 80,345,000 77,528,000 44,327,000 138,509,000 63,441,000 144,448,000 -17,985,000 125,394,000 65,948,000 160,998,000 31,691,000 82,651,000 79,906,000 116,566,000 68,231,000 85,575,000 81,776,000 112,679,000 58,974,000 80,853,000 55,052,000 112,778,000 9,117,000 115,716,000 34,870,000 50,111,000 35,493,000 71,726,000 36,894,000 73,756,000 29,011,000 57,830,000 28,507,000 62,348,000 -4,548,000 29,572,000 -5,501,000 54,105,000 28,685,000 33,391,000 28,355,000 33,249,000 41,912,000 32,725,000 32,730,000 128,709,000 15,942,000 20,038,000 20,828,000 18,426,000 15,186,000 20,213,000 13,844,000 16,459,000 11,607,000 11,145,000 9,423,000 14,193,000 13,906,000 7,393,000 5,367,000 12,853,000 
          cash flows from investing activities:
                                                                                                    
          proceeds from maturities, sales and principal paydowns of held to maturity securities
        375,183,000 391,455,000   375,133,000 420,733,000                                                                                       
          purchase of held to maturity securities
        -755,661,000 -31,120,000 -201,885,000 -72,749,000 -169,392,000 -13,173,000 -9,879,000 -18,947,000 -21,858,000 -3,028,000 -165,920,000 -460,077,000 -662,813,000 -2,633,276,000 -993,605,000 -1,471,657,000 -2,581,203,000 -2,268,954,000 -1,635,209,000 -259,911,000 -206,563,000 -109,085,000 -51,250,000 -40,896,000 -130,760,000 -307,162,000 -381,487,000 -443,591,000 -497,004,000 -682,035,000 -303,903,000 -186,855,000 -574,333,000 -1,164,481,000 -260,637,000 -262,276,000 -132,952,000 -385,929,000 -302,838,000 -568,880,000 -954,084,000 1,934,098,000 -2,005,503,000 -1,469,264,000 -677,436,000 -456,836,000 -222,784,000 -863,086,000 -1,159,815,000    -1,375,431,000 -696,743,000   -554,369,000 -594,263,000   -689,171,000 -130,249,000   -124,845,000 -1,389,825,000   -453,439,000 -221,451,000 -107,733,000 -170,349,000 -104,072,000 -24,976,000 -496,000 -54,166,000 -93,080,000 -32,407,000 -40,037,000 -88,952,000 -19,577,000 -1,984,000 -116,626,000 -132,668,000 -274,569,000 -318,205,000 -147,831,000 -232,875,000 
          proceeds from maturities, sales and principal paydowns of available for sale securities
        6,518,833,000 8,025,366,000 6,503,184,000 3,502,073,000 4,509,002,000 7,507,144,000 5,567,908,000 5,631,402,000                                        263,643,000 1,511,693,000 518,489,000 1,089,777,000 403,912,000                                         
          purchase of available for sale securities
        -6,522,374,000 -8,013,266,000 -6,508,996,000 -3,499,606,000 -4,515,005,000 -7,517,958,000 -5,512,214,000 -5,508,208,000 -4,499,358,000 -4,499,367,000 -3,999,495,000 -2,527,704,000 -1,999,840,000 -6,299,655,000 -7,481,021,000 -1,499,998,000 -4,999,999,000 -6,699,999,000 -4,300,007,000 -300,000,000 -3,209,505,000 -8,158,975,000 -4,042,771,000 1,000 -1,999,885,000 -4,234,839,000 -2,999,821,000 -6,399,732,000 -1,599,954,000 1,000 -6,053,408,000 -1,199,985,000 -102,141,000 -799,998,000 -4,851,086,000 -2,499,989,000 -3,324,995,000 -2,799,999,000 -1,210,000,000 -600,000,000 -3,899,999,000 -1,799,998,000 -1,050,000,000 -250,000,000 -1,499,999,000 -500,000,000 -1,070,000,000 -384,999,000     -150,000,000      -499,999,000    -239,773,000    -473,961,000 -703,623,000 -257,369,000 -1,740,023,000    -83,203,000 -76,000,000 -40,000,000 -25,000,000       
          originations of warehouse purchase program loans
        -4,423,249,000 -4,293,969,000 -4,404,313,000 -3,206,867,000 -4,126,304,000 -4,151,478,000 -3,737,746,000 -3,021,378,000 -3,144,635,000 -3,800,203,000 -3,609,456,000 -2,468,101,000 -3,153,805,000 -4,222,764,000 -5,728,867,000 -5,967,528,000 -7,961,813,000 -8,220,512,000                                                                           
          proceeds from pay-offs of warehouse purchase program loans
        4,396,629,000 4,303,231,000 4,174,766,000 3,229,877,000 4,274,107,000 4,004,175,000 3,521,267,000 2,978,699,000 3,234,717,000 4,036,759,000 3,259,688,000 2,409,606,000 3,335,949,000 4,437,623,000 5,935,785,000 6,398,686,000 8,184,163,000 8,318,022,000                                                                           
          net decrease in loans held for investment
        245,269,000 154,864,000    79,585,000          115,339,000    20,125,000        -49,963,000    5,331,000    -121,679,000  108,184,000 14,904,000 12,730,000  -83,743,000 64,338,000 97,616,000    34,057,000                                             
          purchase of bank premises and equipment
        -9,889,000 -9,150,000 -6,416,000 -7,074,000 -4,823,000 -4,429,000 -4,704,000 -7,184,000 -4,636,000 -11,237,000 -8,056,000 -10,224,000 -8,171,000 -5,522,000 -5,439,000 -23,289,000 -4,063,000 -3,127,000 -3,812,000 -8,020,000 -4,526,000 -5,724,000 -5,564,000 -6,329,000 -2,335,000 -4,515,000 -8,105,000 -3,633,000 -4,624,000 -4,211,000 -3,202,000 -3,078,000 -4,586,000 -3,153,000 -2,367,000 -1,123,000 -1,074,000 -572,000 -1,583,000 -1,778,000 -1,398,000 -2,559,000 -2,667,000 -2,733,000 -3,211,000 -2,155,000 -4,231,000 -2,478,000 -3,070,000 -7,311,000 -12,038,000 -1,588,000 -4,517,000 -1,378,000 -4,282,000 -2,264,000 -1,859,000 -2,093,000 -3,240,000 -2,288,000 -1,613,000 -743,000 -5,213,000 -6,297,000 -1,377,000 -2,487,000 -826,000 -30,284,000 -1,679,000 -903,000 -1,493,000 -3,826,000 -1,580,000 -1,505,000 -2,173,000 -1,917,000 -1,055,000 -1,714,000 -1,388,000 -273,000 -745,000 -226,000 -436,000 -338,000 6,000 -356,000 -273,000 -272,000 -366,000 -311,000 -1,743,000 -1,065,000 
          proceeds from sale of bank premises, equipment and other real estate
        4,830,000 2,514,000 3,985,000 2,816,000 6,252,000 6,190,000 199,000 838,000 8,205,000 3,301,000 3,128,000 741,000 3,375,000 482,000 2,323,000 3,894,000 3,037,000 1,110,000 9,063,000 10,968,000 9,144,000 2,367,000 219,000 2,180,000 785,000 2,026,000 1,158,000 1,347,000 687,000 9,715,000 2,013,000 634,000 1,251,000 1,883,000 2,595,000 4,401,000 6,411,000 296,000 5,078,000 1,832,000 3,089,000 3,530,000 1,220,000 5,198,000 6,526,000 1,365,000 15,833,000 5,041,000 1,127,000 2,565,000 7,242,000 1,425,000                                         
          proceeds from insurance claims
        749,000 525,000 1,230,000 564,000 481,000 374,000 1,049,000 2,177,000 5,596,000 3,020,000 2,811,000 3,175,000 1,874,000 157,000 572,000 1,972,000 716,000 2,310,000 1,783,000 4,695,000   3,278,000 1,004,000 501,000 2,132,000 545,000 762,000 673,000 1,028,000                                                             
          net cash from the purchase of first bancshares of texas, inc.
                                                                                                  
          net cash from the purchase of lone star state bancshares, inc.
                                                                                                  
          net cash from investing activities
        -169,680,000 530,450,000 -46,682,000 459,826,000 436,728,000 331,163,000 808,347,000 405,337,000 619,750,000 677,734,000 -101,088,000 -102,124,000 -19,892,000 -207,953,000 -271,198,000 -1,464,584,000 137,891,000 -440,820,000 -1,458,791,000 -963,183,000 -567,803,000 520,100,000 -1,346,989,000 120,384,000 689,341,000 359,862,000 -4,333,000 215,118,000 11,045,000 -29,807,000 -57,717,000 -42,473,000 -378,891,000 115,736,000 146,850,000 -256,289,000 -815,796,000 383,040,000 181,353,000 292,410,000 -199,438,000 68,835,000 -71,800,000 -448,225,000 -58,424,000 -44,247,000 343,525,000 -313,038,000 147,384,000 228,166,000 133,771,000 -500,471,000 -589,853,000 241,166,000 183,404,000 -1,036,452,000 -273,962,000 130,893,000 58,290,000 -280,521,000 -234,006,000 343,248,000 74,022,000 -31,312,000 163,237,000 -229,573,000 54,710,000 203,904,000 1,356,224,000 -13,363,000 -17,099,000 -146,246,000 -95,639,000 125,939,000 126,427,000 110,125,000 15,046,000 67,893,000 15,699,000 -2,463,000 -64,192,000 -5,535,000 128,139,000 -127,096,000 -11,355,000 96,828,000 -20,666,000 -51,456,000  -69,238,000 28,668,000 -86,752,000 
          cash flows from financing activities:
                                                                                                    
          net decrease in noninterest-bearing deposits
        -54,117,000 95,371,000 -249,258,000 -122,523,000  104,856,000 -225,773,000 -250,037,000                                                       -29,985,000 -14,412,000                    -13,478,000    -24,252,000    -15,595,000 
          net increase in interest-bearing deposits
        754,508,000   -232,007,000 306,671,000   245,843,000    -722,142,000 -527,810,000 -687,414,000 -1,458,140,000 270,030,000 896,692,000 114,272,000 68,759,000 733,908,000 749,171,000 349,687,000              -379,922,000    36,517,000    -233,402,000    135,579,000 449,130,000 -138,126,000 -313,374,000 -7,851,000 379,000,000 -46,817,000 -169,658,000 318,341,000 151,257,000 57,956,000 -206,938,000 304,390,000                       -61,362,000 -27,068,000 -716,000 -33,502,000 -43,874,000 63,365,000 72,857,000 68,046,000 -78,495,000 63,249,000 
          net (repayments of) proceeds from other short-term borrowings
                                 -340,000,000 260,000,000 -350,000,000                                                                 
          net decrease in securities sold under repurchase agreements
        15,419,000 2,225,000 -32,514,000 -5,827,000 -6,983,000 -4,793,000              -12,477,000    -32,599,000                 5,215,000                                                    
          redemption of subordinated notes
                                                                                                    
          repurchase of common stock
        -137,241,000    -39,484,000 -35,282,000 -34,208,000 -38,040,000      -197,000 -4,903,000 -110,061,000 -56,063,000           -3,875,000 -47,182,000                                                     
          payments of cash dividends
        -55,828,000 -55,096,000 -55,262,000 -55,251,000 -55,253,000 -53,346,000 -53,402,000 -52,374,000 -52,480,000 -51,545,000 -51,616,000 -50,074,000 -50,218,000 -47,429,000 -47,570,000 -47,923,000 -47,924,000 -45,255,000 -45,539,000 -45,535,000 -45,353,000 -42,624,000 -42,623,000 -43,223,000 -43,577,000 -28,043,000 -28,643,000 -28,637,000 -28,633,000 -25,142,000 -25,143,000 -25,135,000 -25,013,000 -23,626,000 -23,626,000 -23,623,000 -23,624,000 -20,842,000 -20,871,000 -20,889,000 -21,004,000 -19,086,000 -19,086,000 -19,082,000 -19,013,000 -16,740,000 -16,738,000 -15,893,000 -15,830,000 -12,977,000 -12,976,000 -12,256,000 -12,133,000 -10,930,000 -9,257,000 -9,223,000 -9,143,000 -8,207,000 -8,206,000 -8,186,000 -8,170,000 -7,232,000 -7,225,000 -7,218,000 -7,215,000 -6,342,000 -6,340,000 -6,337,000 -6,336,000 -5,759,000 -5,758,000 -5,524,000 -5,519,000 -4,962,000 -4,928,000 -4,916,000 -3,689,000 -3,277,000 -3,274,000 -2,787,000 -2,779,000 -2,276,000 -2,271,000 -2,298,000 -1,847,000 -1,678,000 -1,574,000 -1,571,000 -1,304,000 -1,181,000 -1,187,000 -1,183,000 
          net cash from financing activities
        72,741,000 -264,137,000 -441,162,000 -915,608,000 -468,488,000 96,426,000 -603,697,000 35,544,000 -701,758,000 -806,025,000 -102,335,000 -96,229,000 -157,893,000 224,635,000 -975,005,000 241,517,000 1,279,443,000 252,168,000 357,887,000 1,345,108,000 738,265,000 174,609,000 1,070,843,000 -522,289,000 -589,929,000 -384,315,000 -58,031,000 -467,746,000 11,674,000 -19,537,000 8,868,000 -183,385,000 423,401,000 -273,484,000 -213,318,000 202,000 929,049,000 -500,013,000 -249,587,000 -681,392,000 430,483,000 -204,758,000 -7,889,000 8,086,000 336,611,000 -223,375,000 -262,060,000 169,211,000 -96,076,000 -289,059,000 -119,087,000 242,801,000 699,337,000 -301,742,000 -217,623,000 924,811,000 240,357,000 -137,325,000 -94,962,000 193,435,000 223,132,000 -409,065,000 -123,422,000 -56,242,000 -120,234,000 85,552,000 58,234,000 -322,774,000 -1,341,206,000 -19,759,000 -18,417,000 -66,271,000 182,279,000 -101,926,000 -175,014,000 -306,898,000 122,553,000 -94,994,000 3,711,000 -30,322,000 12,160,000 31,768,000 -181,710,000 100,218,000 4,789,000 -31,635,000 -15,923,000 37,247,000 64,597,000 94,078,000 -18,011,000 48,698,000 
          net increase in cash and cash equivalents
        -18,597,000 461,135,000 -389,668,000 -277,609,000 -237,604,000 702,233,000 421,144,000 628,281,000 -54,060,000       -987,385,000 1,492,357,000   612,672,000 255,887,000    153,228,000                                1,888,000                128,552,000 56,738,000   153,541,000 -7,063,000   -36,846,000    5,041,000        
          cash and cash equivalents, beginning of period
        1,972,467,000 458,413,000 424,133,000 2,547,980,000 1,343,549,000 574,108,000 411,127,000 392,313,000 437,381,000 563,962,000 677,854,000 381,390,000 326,304,000 213,442,000 -1,000 1,000 159,368,000 195,317,000 228,633,000 371,090,000 269,721,000 97,364,000 137,910,000 83,713,000 80,799,000 
          cash and cash equivalents, end of period
        -18,597,000 461,135,000 -389,668,000 1,694,858,000 -237,604,000 702,233,000 421,144,000 1,086,694,000 -54,060,000 115,444,000 -8,524,000 405,553,000 -178,263,000 208,479,000 -1,166,678,000 1,560,595,000 1,492,357,000 -4,537,000 -896,061,000 1,956,221,000 255,887,000 754,221,000 -48,693,000 382,134,000 153,228,000 118,256,000 10,560,000 292,064,000 116,657,000 18,991,000 31,496,000 243,983,000 88,837,000 -19,239,000 -3,027,000 325,742,000 95,268,000 8,421,000 -2,286,000 335,978,000 262,736,000 -53,272,000 217,000 354,281,000 346,418,000 -182,047,000 163,241,000 350,242,000 110,282,000 19,960,000 69,736,000 181,412,000 118,601,000 55,140,000 651,000 151,912,000 1,887,000 65,295,000 222,000 146,038,000 18,137,000 -7,987,000 -20,893,000 170,111,000 38,455,000 -114,449,000 107,443,000 163,868,000 43,703,000 269,000 -7,161,000 191,822,000 128,552,000 56,738,000 -15,857,000 201,657,000 153,541,000 -7,063,000 40,238,000 83,005,000 -36,846,000 46,446,000 -39,727,000 127,491,000 5,041,000 76,338,000 -27,166,000 83,697,000 -20,142,000 32,233,000 16,024,000 55,598,000 
          noncash activities:
                                                                                                    
          acquisition of real estate through foreclosure of collateral
        4,371,000 8,005,000 1,791,000 5,062,000 2,149,000 3,134,000 2,928,000 969,000 557,000 8,559,000 1,222,000 468,000 397,000 370,000 43,000 1,614,000 473,000 329,000 5,595,000 281,000 7,735,000 7,385,000 732,000 112,000 2,205,000 58,000 570,000 1,370,000 1,453,000 106,000 47,000 161,000 112,000 1,051,000 320,000 233,000 728,000 902,000 12,953,000 512,000 913,000 400,000 766,000 1,014,000 1,499,000 1,691,000 2,710,000 75,000 311,000 1,386,000 1,347,000                                         
          supplemental information:
                                                                                                    
          cash paid for:
                                                                                                    
          u.s. federal income taxes, net of refunds received
                                                                                                    
          state income taxes, net of refunds received
                                                                                                    
          interest paid
        113,420,000 124,870,000 126,335,000 135,203,000 275,490,000 111,548,000 100,471,000 102,618,000 184,153,000 91,521,000 103,624,000 79,968,000 50,059,000 17,827,000 9,372,000 9,112,000 9,107,000 24,583,000 3,528,000 18,598,000 24,143,000 25,871,000 28,224,000 40,062,000 44,252,000 31,921,000 32,203,000 30,980,000 29,499,000 27,151,000 21,962,000 17,748,000 15,965,000 15,984,000 15,211,000 12,706,000 12,014,000 9,125,000 10,931,000 10,666,000 9,208,000 13,552,000 9,852,000 11,665,000 8,490,000 10,566,000 13,459,000 10,694,000 10,013,000 9,603,000 10,037,000 10,034,000                                         
          benefit from credit losses
                           10,000,000       1,000,000    2,000,000 6,900,000   2,000,000 2,000,000 6,000,000 14,000,000 500,000 5,310,000     6,325,000 600,000    2,800,000 3,550,000 1,800,000 600,000 150,000 1,150,000 950,000 1,400,000 1,700,000 2,900,000 3,000,000 3,275,000 4,410,000 8,500,000 7,250,000 6,900,000 6,125,000 6,000,000 1,700,000 1,000,000 1,167,000 120,000 75,000 320,000 245,000 144,000 120,000 120,000 120,000 120,000 120,000 120,000 120,000 220,000 420,000 120,000 120,000 123,000 120,000 120,000 120,000 
          net gain on sale of investment securities
               -298,000                                                                                     
          net gain on sale of other real estate and repossessed assets
         -81,000 -222,000 -30,000  -97,000 30,000 -137,000  -734,000 -33,000 -13,000  -213,000 14,000 -621,000  4,000 -1,839,000 -887,000  -137,000 4,000 -130,000                                                                     
          net gain on sale or write down of premises and equipment
                 45,000 -1,994,000 -121,000            385,000                                                                     
          net gain on sale of loans
         -929,000 -967,000 -1,009,000  -963,000 -746,000 -612,000  -769,000 -662,000 -239,000  -341,000 -465,000 -387,000                                                                             
          net (repayments) proceeds from other short-term borrowings
         -500,000,000 200,000,000 -500,000,000                                    -305,000,000                                                     
          income taxes paid
         34,460,000 82,058,000 78,386,000 620,000 53,000 27,857,000 487,000 25,441,000 25,579,000 67,769,000 327,000 36,070,000 35,420,000   30,325,000 32,435,000   31,412,000    18,900,000 20,400,000   19,400,000 20,350,000 32,380,000 62,230,000 2,000 365,000   39,143,000 34,443,000 43,432,000 5,400,000 29,842,000 30,694,000 40,580,000 2,000,000 27,857,000 27,152,000 45,843,000 5,000,000 22,567,000 25,044,000                                           
          net (gain) loss on sale or write down of premises and equipment
                       -689,000                                                                             
          net decrease in interest-bearing deposits
                 15,152,000              -68,534,000  -50,475,000 -327,670,000 -66,380,000  -287,493,000 -303,817,000 -573,200,000  -231,195,000   166,449,000 -440,651,000   697,973,000 -114,054,000    -314,497,000               -86,276,000 -368,818,000 -246,887,000 -21,082,000 122,544,000 -135,303,000 86,237,000 -88,629,000  -170,794,000 54,303,000 -156,757,000  -3,343,000 -147,289,000 -101,165,000  -17,374,000 -36,050,000 -23,282,000             
          net income on sale or write down of premises and equipment
           235,000               244,000 79,000  528,000                                                                       
          proceeds from maturities and principal paydowns of held to maturity securities
           367,627,000    391,803,000 396,027,000 451,183,000 445,132,000 412,524,000 452,750,000 537,124,000 585,422,000 587,597,000 722,041,000 714,833,000 709,635,000 697,733,000 702,857,000 687,034,000 563,529,000 500,666,000  491,556,000 445,894,000 391,109,000  478,663,000 422,811,000 440,176,000  446,452,000 496,388,000 424,808,000 506,546,000 526,617,000 468,857,000 414,681,000 392,683,000 442,924,000 426,308,000 392,556,000 -2,156,825,000 1,980,741,000 1,226,954,000 314,135,000 310,209,000 434,567,000 790,386,000 589,924,000    354,183,000 425,330,000   334,446,000 399,891,000   245,201,000 233,816,000   183,720,000 112,346,000   217,633,000 69,097,000 104,758,000 65,985,000 65,124,000 58,349,000 65,806,000 115,883,000 57,683,000 66,565,000 75,095,000 67,202,000 55,104,000 53,840,000 63,079,000 77,806,000 62,776,000 87,374,000 209,977,000 121,937,000 86,445,000 
          net decrease (increase) in loans held for investment
           143,165,000                    23,161,000                                                                     
          increase in accrued interest receivable and other assets
                   -66,156,000 -27,887,000 -55,122,000               21,227,000   -7,406,000         -43,368,000                                                    
          net increase in noninterest-bearing deposits
                -505,321,000 -83,028,000 -435,673,000 -807,100,000 -238,695,000 121,959,000 255,532,000 26,618,000 423,545,000 227,340,000 278,704,000 669,212,000 152,905,000 -41,929,000 1,578,934,000 -302,571,000 243,979,000 92,766,000 17,529,000 7,592,000 -34,127,000 42,653,000 -50,405,000 84,672,000 157,848,000 68,181,000 98,029,000 108,291,000 219,267,000 142,696,000 -96,306,000 -333,615,000 43,404,000 52,547,000 2,192,000 102,016,000 -32,447,000 47,469,000 128,248,000 33,207,000 134,141,000 85,275,000 -9,120,000 -32,934,000 143,637,000 111,189,000 -13,327,000 95,498,000 110,319,000 73,151,000 58,329,000 57,237,000 50,112,000     -3,189,000 -36,443,000 -12,978,000 -151,116,000 -22,086,000 8,373,000 13,728,000 2,980,000 -52,165,000 -4,569,000 -24,484,000 26,040,000 -29,481,000 16,787,000 18,306,000 26,178,000 32,101,000   -9,487,000 22,917,000   -63,396,000 12,684,000   
          net gain on sale or write-down of assets
                                                                                                    
          net proceeds from other short-term borrowings
             175,000,000 -525,000,000 -550,000,000 1,234,614,000 1,515,000,000                   435,000,000 315,000,000          -100,000,000 555,000,000 325,000,000  90,000,000 160,000,000 30,000,000  -175,000,000 244,583,000 280,000,000                                         
          redemption of junior subordinated debentures
                                              -167,531,000             -7,210,000           -7,732,000                   
          net loss on sale or write down of premises and equipment
              903,000 35,000                                                                                     
          net increase in loans held for investment
               -42,737,000  -25,113,000 -359,052,000 -434,029,000 -518,095,000 -513,712,000        419,561,000    -85,797,000   -73,797,000 -144,031,000   -102,663,000 -43,316,000               -423,000 2,640,000 -97,305,000 47,199,000 -19,858,000 16,681,000                                       
          net increase in securities sold under repurchase agreements
               -47,606,000 8,563,000 -133,446,000 -49,975,000 6,127,000 -26,170,000 -27,481,000 40,894,000 -7,208,000 7,130,000 7,900,000   9,309,000 14,939,000   8,220,000 -2,421,000 59,252,000 -30,147,000 -12,406,000 4,087,000 -46,537,000 15,422,000 -10,467,000 -11,703,000 10,449,000 15,445,000 1,981,000 -1,552,000 15,797,000 -11,049,000   15,771,000 2,895,000 -42,530,000 -30,289,000 39,268,000 -15,283,000 -71,012,000 -49,201,000 10,929,000 15,739,000 43,216,000 -30,149,000    -25,122,000   -35,757,000 3,356,000   -28,040,000 3,904,000   -10,399,000 1,085,000    -6,551,000    965,000    2,481,000           
          decrease (increase) in accrued interest receivable and other assets
                 40,667,000                           -47,481,000               16,784,000                                      -1,915,000   
          proceeds from maturities and principal paydowns of available for sale securities
                 4,516,815,000 4,188,368,000 2,515,280,000  6,316,674,000 7,432,178,000 1,553,419,000  6,732,094,000 4,326,873,000 313,192,000  8,009,179,000 6,810,000 4,011,040,000  2,006,723,000 4,008,655,000 3,004,707,000  10,782,000 6,502,766,000 1,610,394,000 13,700,000 17,773,000 6,010,338,000 1,211,622,000  809,150,000 4,807,459,000 2,506,849,000  2,811,520,000 1,217,881,000 613,222,000  1,815,607,000          22,813,000    30,497,000 36,710,000   536,284,000 30,466,000   120,260,000 12,278,000   9,920,000 195,686,000   251,460,000 1,678,086,000   12,443,000 25,453,000 22,212,000 20,265,000 13,986,000 -6,103,000 16,349,000 38,410,000 18,545,000 36,039,000 38,354,000 32,061,000 38,367,000 
          net decrease in cash and cash equivalents
                  -8,524,000 -18,580,000  208,479,000         -48,693,000 -191,974,000   10,560,000 -119,063,000  18,991,000 31,496,000 -148,330,000 88,837,000 -19,239,000 -3,027,000 -111,639,000  8,421,000 -2,286,000 -227,984,000    -323,573,000    -31,148,000  19,960,000 69,736,000 -144,892,000  55,140,000 651,000 -61,530,000   223,000 -13,331,000 18,137,000   -25,206,000    -64,765,000   -7,161,000 -179,268,000    -68,064,000    -14,359,000   -39,727,000 -10,419,000   -27,166,000 -16,000    -25,201,000 
          (gain) loss on sale or write down of premises, equipment, other assets and other real estate
                                                                                                    
          decrease in accrued interest payable and other liabilities
                                                                        -15,747,000                            
          net proceeds (repayments) from other short-term borrowings
                                           280,000,000                                                         
          repayments of other long-term borrowings
                            -2,570,000 -561,000 -298,000 -301,000 -747,000 -79,000 -78,000 -174,000 -81,000 -3,642,000 -230,000 -144,000 -142,000 -141,000 -138,000 -137,000 -135,000 -133,000 -176,000 -174,000 -172,000 -170,000 -173,000 -1,810,000 -1,248,000 -238,000 -241,000 -238,000 -262,000 -264,000 -40,264,000 -567,000     -793,000    -253,000    -1,715,000    -276,000                        
          net (gain) loss on sale or write-down of premises and equipment
                     -50,000                                                                               
          net proceeds of other short-term borrowings
                     865,000,000                                                                               
          net cash from the purchase of legacytexas financial group, inc.
                                                                                                    
          net repayments from other short-term borrowings
                                                                                                    
          stock issued in connection with the legacytexas financial group, inc. merger
                                                                                                    
          net loss on sale or write down of assets
                                                                                                    
          net repayments of other short-term borrowings
                             -100,000,000                                                                       
          net income on sale or write down of assets
                                                                                                    
          gain on sale of loans
                          -2,728,000 -3,029,000  -1,525,000 -2,072,000 -1,360,000  -716,000 -928,000 -711,000  -829,000 -1,056,000 -705,000  -827,000 -1,018,000 -1,162,000  -1,949,000 -1,620,000 -1,341,000  -1,702,000 -1,472,000 -1,093,000  -1,372,000                                               
          originations of wpp loans
                           -10,595,636,000 -12,819,029,000 -12,638,287,000 -11,640,283,000 -6,196,020,000                                                                     
          proceeds from pay-offs of wpp
                           11,165,626,000 12,707,264,000 12,464,856,000 10,796,862,000 6,035,020,000                                                                     
          loss on sale of investment securities
                                                                                                    
          net gain on sale or write down of assets
                                                                                                   
          net proceeds from (repayments of) other short-term borrowings
                               35,000,000                                                                     
          loss on sale or write down of premises, equipment and other real estate
                                                       60,000 -236,000 745,000                                           
          proceeds from stock option exercises
                                        148,000 111,000 469,000   67,000 156,000   370,000 920,000 576,000 1,839,000 2,340,000 1,234,000 1,135,000 670,000                                         
          net loss on sale of other real estate and repossessed assets
                                                                                                    
          net loss on sale of investment securities
                                                                                                    
          net loss on sale of assets
                                 3,000                                                                   
          net loss on sale of other real estate
                                  -54,000 -177,000   10,000 122,000                                                             
          gain on sale of assets
                                   -58,000        -1,759,000  -37,000 -332,000 -1,020,000  -173,000 -270,000 -1,379,000    -3,310,000                                             
          gain on sale or write down of premises, equipment and other real estate
                                                           104,000                                         
          gain on sale of investment securities
                                                                                                  
          net cash from the purchase of tradition bancshares, inc.
                                             -8,963,000                                                     
          stock issued in connection with the tradition bancshares, inc. acquisition
                                            32,522,000                                                     
          net gain on sale of other real estate
                                                                     1,364,000        209,000    -452,000    -28,000               
          net income on sale of assets
                                                                                                    
          net gain on sale of assets
                                         -62,000                                                           
          net cash from the purchase of traditions bancshares, inc.
                                                                                                    
          net (gain) loss on sale of other real estate
                                         -140,000                                -115,000                           
          net accretion of discount on deposits
                                          -39,000 -99,000  -575,000 -178,000 -182,000  -220,000                                                   
          gain on sale of other real estate
                                           -10,000  -3,000    -68,000                                      -10,000      3,000    6,000   
          proceeds from the sale of bankers credit card services, inc.
                                                                                                    
          net cash acquired in the purchase of f&m bancorporation inc.
                                                                                                    
          stock issued in connection with the f&m bancorporation inc. acquisition
                                                                                                   
          (gain) loss on sale of other real estate
                                               -14,000                                            -67,000         
          (gain) loss on sale or write down of premises, equipment and other real estate
                                                                                                    
          net cash acquired in the purchase of east texas financial services, inc.
                                                           3,471,000                                         
          net cash acquired in the purchase of coppermark banchares, inc.
                                                                                                    
          net cash acquired in the purchase of fvnb corp.
                                                                                                    
          net proceeds (repayments of) from other short-term borrowings
                                                                                                    
          stock issued in connection with the east texas financial services, inc. acquisition
                                                        22,300,000                                         
          stock issued in connection with the coppermark bancshares, inc. acquisition
                                                                                                  
          stock issued in connection with the fvnb corp. acquisition
                                                                                                    
          loss on sale of other real estate
                                                   10,000                                            15,000    1,000 
          net cash acquired in the purchase of texas bankers, inc.
                                                                                                   
          net cash acquired in the purchase of the bank arlington
                                                                                                   
          net cash acquired in the purchase of american state financial corporation
                                                                                                    
          net cash acquired in the purchase of community national bank
                                                                                                    
          net cash acquired in the purchase of f&m bancorporation, inc.
                                                                                                    
          stock issued in connection with the texas bankers, inc. acquisition
                                                            12,708,000                                     
          stock issued in connection with the the bank arlington acquisition
                                                                                                    
          stock issued in connection with the american state financial corporation acquisition
                                                                                                   
          stock issued in connection with the community national bank acquisition
                                                                                                    
          stock issued in connection with the f&m bancorporation, inc. acquisition
                                                                                                    
          loss on sale of assets
                                                                                                    
          net cash and cash equivalents acquired in the purchase of east texas financial services, inc.
                                                                                                   
          net cash and cash equivalents acquired in the purchase of coppermark bancshares, inc.
                                                                                                    
          net cash and cash equivalents acquired in the purchase of f&m bancorporation inc.
                                                                                                    
          (gain) loss on sale of assets
                                                                                                    
          net cash acquired in the purchase of coppermark bancshares, inc.
                                                                                                    
          loss on sale of securities
                                                                                                    
          net cash and cash equivalents acquired in the purchase of texas bankers, inc.
                                                                                                    
          net cash and cash equivalents acquired in the purchase of the bank arlington
                                                                                                    
          net cash and cash equivalents acquired in the purchase of american state financial corporation
                                                                                                    
          net cash and cash equivalents acquired in the purchase of coppermark banchares, inc.
                                                                                                   
          depreciation and cdi amortization
                                                           4,133,000                                         
          cash and cash equivalents acquired in the purchase of u.s. bank branches
                                                                    344,722,000                             
          premium paid for u.s. bank branches
                                                                    -13,136,000                             
          cash and cash equivalents acquired in the purchase of first bank branches
                                                                                                  
          premium paid for first bank branches
                                                                                                  
          stock issued in connection with the bank arlington acquisition
                                                            1,000 -1,000                                       
          depreciation and amortization
                                                             4,376,000 3,623,000 3,730,000  3,964,000 3,980,000 4,055,000  4,435,000 4,427,000 4,296,000 4,497,000 4,579,000 4,544,000 4,682,000 4,138,000 4,517,000 4,379,000 4,429,000 4,575,000 4,481,000 4,451,000 4,021,000 2,534,000 2,456,000 2,685,000 2,242,000 2,191,000 2,233,000 2,257,000 1,693,000 1,784,000 1,183,000 1,071,000 1,084,000 908,000 841,000 805,000 799,000 
          net proceeds from the sale of held for sale loans
                                                                                                    
          net accretion of discount on loans and deposits
                                                             -11,198,000      -50,000                                 
          net income on sale of other real estate
                                                                 -95,000                                   
          net gain on sale of premises and equipment
                                                             50,000                        -104,000               
          net increase in accrued interest receivable and other assets
                                                             12,785,000                                       
          net increase in accrued interest payable and other liabilities
                                                             29,845,000                                       
          proceeds from maturities and principal paydowns of securities held to maturity
                                                             505,706,000                                       
          purchase of securities held to maturity
                                                             -954,248,000                                       
          proceeds from maturities, sales and principal paydowns of securities available for sale
                                                             746,763,000                                       
          purchase of securities available for sale
                                                             -200,000,000                                       
          net proceeds from sale of bank premises, equipment and other real estate
                                                             4,619,000 2,568,000 4,817,000   3,241,000 5,628,000   11,346,000 9,806,000   8,819,000 4,040,000    2,794,000                     
          net cash acquired in the purchase of american state
                                                                                                    
          financial corporation
                                                                                                    
          net proceeds from (repayments of) short-term debt
                                                             -325,000,000                                       
          net repayments of long-term debt
                                                             -260,000                                       
          proceeds from exercise of stock options
                                                             225,000 615,000 1,851,000  154,000 1,664,000 2,357,000  527,000 807,000 886,000  797,000 92,000 368,000  213,000 273,000 2,027,000  338,000 518,000 1,799,000  400,000 6,684,000 689,000  230,000 429,000 76,000  716,000 233,000 63,000     
          supplemental disclosures:
                                                                                                    
          cash paid for income taxes
                                                             17,000,000 36,487,000 250,000  16,980,000 32,458,000 2,000,000  14,427,000 31,300,000 3,250,000  15,800,000 26,000,000 2,500,000  11,300,000 19,300,000 4,000,000  10,650,000 7,250,000 4,500,000                 
          cash paid for interest
                                                             10,783,000 9,650,000 10,001,000  10,781,000 12,343,000 13,492,000  17,364,000 19,401,000 18,894,000  26,589,000 28,366,000 34,300,000  28,208,000 28,792,000 32,755,000  35,822,000 35,707,000 33,416,000                 
          noncash investing and financing activities – acquisition of real estate through foreclosure of collateral
                                                             2,043,000    1,466,000                                   
          cash and cash equivalents acquired in the purchase of texas bankers, inc.
                                                              44,550,000                                     
          cash and cash equivalents acquired in the purchase of the bank arlington
                                                                                                    
          net premium amortization on investments
                                                               9,720,000    6,980,000                                 
          gain on sale of assets and other real estate
                                                               -411,000        294,000    -119,000    -43,000    -14,000                 
          increase in other assets and accrued interest receivable
                                                               -24,626,000                -5,019,000        -152,000      -4,598,000 -271,000 -368,000     
          net increase in loans
                                                               -85,120,000    -94,435,000           31,290,000 -31,613,000     37,133,000 -9,806,000 -44,901,000 -19,372,000     -28,643,000 -18,347,000       
          net proceeds from (repayments of) short-term borrowings
                                                               515,000,000                                     
          net repayments of long-term borrowings
                                                               -254,000    -341,000                                 
          net proceeds from (repayments from) securities sold under repurchase agreements
                                                               3,598,000                                     
          noncash investing and financing activities-acquisition of real estate through foreclosure of collateral
                                                               3,559,000    5,935,000                                 
          net accretion of discount on investments
                                                                                                    
          net amortization of premium on loans and deposits
                                                                      -236,000 -237,000   -1,783,000 -2,220,000                         
          purchase of banco popular branches
                                                                        -30,000 -20,000 3,000 3,000 -12,000 -431,000                     
          purchase of 1st choice bancorp, inc.
                                                                                                    
          purchase of assets of franklin bank
                                                                                                    
          net decrease in interest-bearing deposits in financial institutions
                                                                        106,000       100,000        100,000 400,000 200,000 50,000 112,000 112,000 198,000 -11,000 99,000 
          (repayments of) proceeds from other short-term borrowings
                                                                                                    
          noncash investing and financing activities—acquisition of real estate through foreclosure of collateral
                                                                                                    
          securities premium amortization
                                                                                                    
          net accretion loan and time deposit discount
                                                                                                    
          net gain on sale of premises, equipment and other assets
                                                                                                    
          stock-based compensation expense
                                                                             470,000    534,000    224,000               
          decrease in other assets and accrued interest receivable
                                                                   7,195,000    5,474,000                             
          proceeds from sale of bank premises, equipment, other real estate and other assets
                                                                                                    
          net amortization of discount on investments
                                                                                         645,000    1,173,000       
          net decrease in accrued interest receivable and other assets
                                                                                                    
          net (repayments of) proceeds from short-term debt
                                                                                                    
          (gain) loss on sale of assets and other real estate
                                                                   -4,000                                 
          net repayments of short-term borrowings
                                                                   -146,000,000                                 
          net repayments from securities sold under repurchase agreements
                                                                   -8,812,000    -4,155,000    -14,244,000                         
          net accretion (amortization) of premium/discount on investments
                                                                                                    
          gain on sale of loans held for sale
                                                                                                    
          impairment write-down on securities
                                                                                                    
          net cash acquired in the purchase of banco popular branches
                                                                                                    
          cash and cash equivalents acquired in the purchase of 1st choice bancorp, inc.
                                                                                                    
          cash and cash equivalents acquired in the franklin bank acquisition
                                                                                                    
          premium paid for deposits of franklin bank
                                                                                                    
          purchase of texas united bancshares, inc
                                                                                                    
          proceeds (repayments of) from other short-term borrowings
                                                                                                    
          stock issued in connection with the 1st choice bancorp, inc. acquisition
                                                                                                    
          noncash investing and financing activities — acquisition of real estate through foreclosure of collateral
                                                                                                    
          securities premium amortization (discount accretion)
                                                                                                    
          net (accretion)/amortization of loan and time deposit discount/premium
                                                                                                    
          proceeds from held for sale loans
                                                                                                    
          net decrease in loans
                                                                       41,278,000                             
          purchase of 1st choice bancorp
                                                                         -10,000 -7,000                        
          purchase of franklin bank branches
                                                                           -65,000                         
          net decrease in accrued interest payable and other liabilities
                                                                                                    
          acquisition of franklin bank branches
                                                                                                    
          net premium amortization (discount accretion) on investments
                                                                       2,324,000                             
          net repayments from short-term borrowings
                                                                                                    
          net repayments from long-term borrowings
                                                                       -10,261,000    -954,000                         
          gain on sale of securities
                                                                                                    
          impairment write-down of securities
                                                                                                   
          funding of loans held for sale
                                                                                                    
          proceeds from the sales of available for sale securities
                                                                                373,680,000                    
          cash and cash equivalents acquired in the franklin bank acquisition.
                                                                                                    
          purchase of assets of franklin bank.
                                                                                                    
          premium paid for deposits of franklin bank.
                                                                                                    
          cash and cash equivalents acquired in the purchase of texas united bancshares, inc.
                                                                                  114,469,000                 
          purchase of the bank of navasota
                                                                                -107,000                    
          cash and cash equivalents acquired in the purchase of the bank of navasota
                                                                                                   
          stock issued in connection with the texas united bancshares, inc. acquisition
                                                                                   383,247,000                 
          stock issued in connection with the bank of navasota acquisition
                                                                                                    
          net amortization of discount/ premium on investments
                                                                                                    
          net amortization of loan and deposit premiums
                                                                                                    
          net gain on held for sale loans
                                                                                                    
          decrease (increase) in other assets and accrued interest receivable
                                                                           8,256,000        11,494,000      1,169,000 4,553,000 4,045,000        1,455,000 
          cash and cash equivalents acquired in the purchase of banco popular branches
                                                                             112,788,000                     
          cash and cash equivalents acquired in the purchase of 1st choice bancorp
                                                                                                    
          purchase of texas united bancshares, inc.
                                                                             -2,000 -72,000    -1,187,000                 
          stock issued in connection with the acquisition of 1st choice
                                                                                                    
          net gain on loans held for sale
                                                                                                    
          proceeds from the sale of loans held for sale
                                                                                                    
          origination of loans held for sale
                                                                                                    
          cash and cash equivalents acquired from 1st choice bancorp
                                                                                                    
          non-cash activities:
                                                                                                    
          issuance of common stock for the acquisition of 1st choice bancorp
                                                                                                    
          net amortization of discount/premium on investments
                                                                           -1,309,000    -1,139,000    -2,617,000    308,000    897,000    1,259,000    2,246,000 
          gain on held for sale loans
                                                                               -73,000    -604,000     4,000            
          proceeds from sales of held for sale loans
                                                                               4,223,000    112,705,000                 
          net decrease (increase) in loans
                                                                           50,999,000     -38,733,000 73,085,000 60,849,000 42,601,000        1,484,000       11,682,000 22,072,000 
          net (repayments) proceeds from short-term borrowings
                                                                           -200,000,000                         
          net (amortization) accretion of premium/discount on investments
                                                                                                    
          gain on sale of premises, equipment and other real estate
                                                                                                    
          (gain) loss on sale of securities
                                                                                                    
          funding of held for sale loans
                                                                                                    
          proceeds from sale of held for sale loans
                                                                                                    
          purchase of snb bancshares, inc.
                                                                                    -12,000 -17,000               
          cash and cash equivalents acquired in the purchase of snb bancshares, inc.
                                                                                                   
          purchase of grapeland bancshares, inc.
                                                                                    -3,000 -9,000 -65,000             
          net decrease (increase) in interest-bearing deposits in financial institutions
                                                                                97,000                    
          proceeds (repayments) of other short-term borrowings
                                                                                                    
          stock issued in connection with the snb bancshares, inc. acquisition
                                                                                                    
          net gain on sale of securities
                                                                                                    
          fundings of held for sale loans
                                                                                                    
          earnings on life insurance policies
                                                                                                    
          net proceeds (repayments) of other short-term borrowings
                                                                                                    
          net decrease cash and cash equivalents
                                                                                                    
          stock issued in connection with the acquisition of the bank of navasota
                                                                                                    
          stock issued in connection with the acquisition of texas united bancshares, inc.
                                                                                                    
          net amortization of premium on loans
                                                                              -440,000 -569,000                     
          net (gain) loss on sale of premises and equipment
                                                                                                    
          net decrease in other assets and accrued interest receivable
                                                                                                    
          net increase in interest-bearing deposits in financial institutions
                                                                                                    
          net proceeds acquired from sale of bank premises, equipment and other real estate
                                                                                                    
          net proceeds (repayments) from lines of credit
                                                                                                    
          issuance of common stock for the acquisition of texas united bancshares, inc.
                                                                                                    
          origination of held for sale loans
                                                                                                    
          net proceeds (repayments) of lines of credit
                                                                               93,894,000                     
          net (repayments) proceeds from securities sold under repurchase agreements
                                                                               -13,639,000        -28,000             
          purchase of first capital bankers, inc
                                                                                                    
          cash and cash equivalents acquired in the purchase of first capital bankers, inc.
                                                                                                   
          cash and cash equivalents acquired in the purchase of grapeland bancshares, inc.
                                                                                                    
          stock issued in connection with the first capital bankers, inc. acquisition
                                                                                                    
          stock issued in connection with the grapeland bancshares, inc. acquisition
                                                                                                    
          net repayments of other borrowings
                                                                                                    
          stock issued in connection with the acquisition of snb bancshares, inc.
                                                                                                    
          net gain on sale of held for sale loans
                                                                                                    
          proceeds from the sale of held-for-sale loans
                                                                                                    
          origination of held-for-sale loans
                                                                                                    
          net decrease (increase) in other assets and accrued interest receivable
                                                                                                    
          net proceeds acquired from sale of bank premises, equipment, and other real estate
                                                                                          771,000 441,000   797,000 485,000    205,000 
          cash and cash equivalents acquired from snb bancshares, inc.
                                                                                                    
          cash and cash equivalents acquired from texas united bancshares, inc.
                                                                                                    
          net (repayments) proceeds from lines of credit
                                                                                               -358,000     
          issuance of common stock for the acquisition of snb bancshares, inc.
                                                                                                    
          originations of held for sale loans
                                                                                   -13,696,000                 
          proceeds from sales of available for sale securities
                                                                                       1,000,000             
          net proceeds from sale of bank premises, equipment, and other real estate
                                                                                   916,000    287,000             
          net repayments of lines of credit
                                                                                   -188,627,000    -17,220,000             
          net proceeds (repayments) from securities sold under repurchase agreements
                                                                                   10,495,000        668,000         
          redemption of paradigm capital trust ii
                                                                                     -6,000,000             
          supplemental disclosures
                                                                                                    
          purchase of liberty bancshares, inc. and village bank & trust, ssb
                                                                                                    
          cash and cash equivalents acquired in the purchase of liberty bancshares, inc. and village bank & trust, ssb
                                                                                                    
          redemption of junior subordinated debentures issued to paradigm capital trust ii and prosperity capital trust i, respectively
                                                                                                    
          stock issued in connection with the liberty bancshares, inc. acquisition
                                                                                                    
          total adjustments
                                                                                         7,742,000 1,636,000 5,905,000 2,271,000 2,199,000 1,061,000 6,130,000 6,713,000 924,000 -1,130,000 6,464,000 
          proceeds from sale of bank premises, equipment, and other real estate
                                                                                                    
          purchase of first capital bankers, inc.
                                                                                                    
          stock issued in connection with the acquisition of first capital bankers, inc.
                                                                                                    
          net increase in other assets and accrued interest receivable
                                                                                                    
          cash and cash equivalents acquired from
                                                                                                    
          first capital bankers, inc.
                                                                                                    
          issuance of common stock for the acquisition of snb bancshares
                                                                                                    
          issuance of common stock for the acquisition of first capital bankers, inc.
                                                                                                    
          loss on sale of premises and equipment
                                                                                                    
          stock option compensation expense
                                                                                        138,000 178,000 173,000 130,000         
          restricted stock award
                                                                                                    
          purchase of abrams centre bancshares, dallas bancshares, mainbancorp and fsbnt
                                                                                                    
          cash and cash equivalents acquired in the purchase of abrams centre bancshares, dallas bancshares, mainbancorp and fsbnt
                                                                                                    
          proceeds
                                                                                                    
          proceeds from issuance of junior subordinated debentures
                                                                                                    
          junior subordinated debentures issuance costs
                                                                                                    
          redemption of junior subordinated debentures issued to prosperity capital trust i
                                                                                                    
          stock issued in connection with the mainbancorp and fsbnt acquisitions
                                                                                                    
          gain on sale of premises and equipment
                                                                                           14,000  -200,000 -53,000 -68,000    -6,000 
          net (increase) in loans
                                                                                                    
          purchase of liberty bancshares, inc
                                                                                                    
          cash and cash equivalents acquired in the purchase of liberty bancshares, inc.
                                                                                                    
          purchase of village bank and trust, ssb
                                                                                                    
          cash and cash equivalents acquired in the purchase of village bank and trust, ssb
                                                                                                    
          stock issued in connection with the acquisition of liberty bancshares, inc.
                                                                                                    
          cash and cash equivalents acquired from first capital bankers, inc.
                                                                                                    
          non-cash financing activities:
                                                                                                    
          issuance of common stock for first capital bankers, inc.
                                                                                                    
          net premium paid for first capital
                                                                                           -107,110,000         
          net liabilities acquired in the purchase of first capital, net of cash of 58,972
                                                                                           23,189,000         
          net repayments from lines of credit
                                                                                           -330,000         
          stock issued in connection with the first capital acquisition
                                                                                           142,518,000         
          (gain) loss on sale of premises, equipment and other real estate
                                                                                                    
          premium paid for liberty bancshares
                                                                                                    
          net liabilities acquired in the purchase of liberty bancshares
                                                                                            -27,271,000        
          premium paid for village bank and trust
                                                                                                    
          net liabilities acquired in the purchase of village bank and trust
                                                                                                    
          premiums paid for abrams centre bancshares, dallas bancshares, mainbancorp and fsbnt
                                                                                                    
          net liabilities acquired in purchase of abrams centre bancshares, dallas bancshares, mainbancorp and fsbnt
                                                                                                    
          premium paid for texas guaranty bank, the first state bank, paradigm bancorporation, first national bank of bay city and southwest holding company
                                                                                                    
          net liabilities acquired in purchase of texas guaranty bank, the first state bank, paradigm bancorporation, first national bank of bay city and southwest holding company (net of acquired cash of 52,206
                                                                                                    
          cash paid in lieu of fractional shares
                                                                                                    
          stock issued in connection with the liberty acquisition
                                                                                                    
          transfer of available for sale securities to held to maturity securities
                                                                                                    
          proceeds acquired from sale of bank premises, equipment, and other real estate
                                                                                                    
          premium paid for the purchase of liberty bancshares
                                                                                                    
          premium paid for the purchase of village bank and trust, ssb
                                                                                                    
          net liabilities acquired in the purchase of village bank and trust, ssb
                                                                                                    
          premium paid for the purchase of dallas bancshares
                                                                                                   
          net liabilities acquired in the purchase of dallas bancshares
                                                                                                21,934,000   
          premium paid for the purchase of abrams centre national bancshares
                                                                                                    
          net liabilities acquired in the purchase of abrams centre national bancshares
                                                                                                    
          proceeds from the issuance of junior subordinated debentures
                                                                                                    
          net increase loans
                                                                                               -434,000     
          (decrease) in accrued interest payable and other liabilities
                                                                                                    
          premium paid for abrams centre bancshares
                                                                                                    
          net liabilities acquired in purchase of abrams centre bancshares
                                                                                                    
          premium paid for dallas bancshares
                                                                                                    
          premium paid for mainbancorp
                                                                                                    
          net liabilities acquired in the purchase of mainbancorp
                                                                                                    
          premium paid for first state bank of north texas
                                                                                                    
          net liabilities acquired in the purchase of first state bank of north texas
                                                                                                    
          premium paid for texas guaranty bank
                                                                                                    
          net liabilities acquired in purchase of texas guaranty bank
                                                                                                    
          premium paid for the first state bank
                                                                                                    
          net liabilities acquired in purchase of the first state bank
                                                                                                    
          premium paid for paradigm bancorporation
                                                                                                    
          net liabilities acquired in purchase of paradigm bancorporation
                                                                                                    
          premium paid for first national bank of bay city
                                                                                                    
          net liabilities acquired in purchase of first national bank of bay city
                                                                                                    
          premium paid for southwest bank holding company
                                                                                                    
          net liabilities acquired in purchase of southwest bank holding company
                                                                                                    
          net cash (used in) investing activities
                                                                                                    
          trust preferred issuance costs
                                                                                                    
          cash paid to dissenting shareholder in connection with the issuance of common stock in exchange for common stock of heritage bank
                                                                                                    
          net increase in cash and cash equivalents.
                                                                                                    
          (gain) loss on sale of premises and equipment
                                                                                                 -225,000   
          proceeds from sale of bank premises and equipment and other real estate acquired by foreclosure
                                                                                                 1,445,000   
          premium paid for the purchase of abrams centre bancshares
                                                                                                    
          net liabilities acquired in the purchase of abrams centre bancshares
                                                                                                    
          premium paid for the purchase of texas guaranty bank n.a.
                                                                                                    
          net liabilities acquired in the purchase of texas guaranty bank, n.a.
                                                                                                    
          premium paid for the purchase of the first state bank of needville
                                                                                                    
          net liabilities acquired in the purchase of the first state bank of needville
                                                                                                    
          premium paid for the purchase of paradigm bancorporation
                                                                                                    
          net liabilities acquired in the purchase of paradigm bancorporation
                                                                                                    
          (repayments) proceeds of other borrowings
                                                                                                    
          proceeds from the issuance of trust preferred securities
                                                                                                    
          cash paid in lieu of fractional shares for the paradigm acquisition
                                                                                                    
          stock issuance costs
                                                                                                    
          sale of common stock
                                                                                                    
          net increase of cash and cash equivalents
                                                                                                 32,233,000   
          net amortization of premium/discount on investments
                                                                                                    
          repayments of line of credit
                                                                                                    
          sale of common stock issued in connection with the exercise of stock options
                                                                                                    
          net proceeds from lines of credit
                                                                                                   2,027,000 
          proceeds from sale of common stock
                                                                                                   200,000