XML 84 R52.htm IDEA: XBRL DOCUMENT v3.20.1
LOANS - Loans by Risk Grade (Details) - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total $ 13,094,106,000 $ 12,818,476,000 $ 8,482,339,000
1      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   587,877,000  
2      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   840,372,000  
3      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   6,034,399,000  
4      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   4,884,542,000  
5      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   233,021,000  
6      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   86,410,000  
7      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   151,845,000  
8      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   8,000  
9      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total 0 2,000  
Commercial, financial and agricultural      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 55,407,000    
2019 186,834,000    
2018 145,236,000    
2017 100,450,000    
2016 40,995,000    
Prior 61,837,000    
Revolving Loans Amortized Cost Basis 236,633,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 827,392,000 802,171,000 631,597,000
Commercial, financial and agricultural | 1      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 1,492,000    
2019 4,751,000    
2018 2,019,000    
2017 771,000    
2016 696,000    
Prior 5,647,000    
Revolving Loans Amortized Cost Basis 8,098,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 23,474,000 22,396,000  
Commercial, financial and agricultural | 2      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 38,000    
2019 1,413,000    
2018 957,000    
2017 6,503,000    
2016 117,000    
Prior 2,409,000    
Revolving Loans Amortized Cost Basis 6,413,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 17,850,000 18,937,000  
Commercial, financial and agricultural | 3      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 29,139,000    
2019 66,134,000    
2018 22,793,000    
2017 18,347,000    
2016 10,487,000    
Prior 6,613,000    
Revolving Loans Amortized Cost Basis 78,883,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 232,396,000 215,180,000  
Commercial, financial and agricultural | 4      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 17,656,000    
2019 99,490,000    
2018 104,684,000    
2017 60,227,000    
2016 25,697,000    
Prior 30,166,000    
Revolving Loans Amortized Cost Basis 112,462,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 450,382,000 482,146,000  
Commercial, financial and agricultural | 5      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 7,082,000    
2019 14,084,000    
2018 12,095,000    
2017 11,354,000    
2016 3,017,000    
Prior 11,995,000    
Revolving Loans Amortized Cost Basis 16,199,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 75,826,000 33,317,000  
Commercial, financial and agricultural | 6      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 390,000    
2018 1,530,000    
2017 649,000    
2016 270,000    
Prior 1,269,000    
Revolving Loans Amortized Cost Basis 1,845,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 5,953,000 4,901,000  
Commercial, financial and agricultural | 7      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 333,000    
2018 1,158,000    
2017 2,599,000    
2016 711,000    
Prior 3,738,000    
Revolving Loans Amortized Cost Basis 12,733,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 21,272,000 25,294,000  
Commercial, financial and agricultural | 8      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 239,000    
2018 0    
2017 0    
2016 0    
Prior 0    
Revolving Loans Amortized Cost Basis 0    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 239,000 0  
Commercial, financial and agricultural | 9      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Real estate – construction and development      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 124,462,000    
2019 763,026,000    
2018 381,427,000    
2017 129,854,000    
2016 40,561,000    
Prior 74,780,000    
Revolving Loans Amortized Cost Basis 114,257,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 1,628,367,000 1,549,062,000 915,976,000
Real estate – construction and development | 1      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Real estate – construction and development | 2      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 0    
2018 0    
2017 0    
2016 0    
Prior 22,000    
Revolving Loans Amortized Cost Basis 0    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 22,000 17,535,000  
Real estate – construction and development | 3      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 29,824,000    
2019 83,506,000    
2018 24,815,000    
2017 7,930,000    
2016 4,192,000    
Prior 10,450,000    
Revolving Loans Amortized Cost Basis 1,487,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 162,204,000 90,124,000  
Real estate – construction and development | 4      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 94,621,000    
2019 638,391,000    
2018 302,673,000    
2017 102,194,000    
2016 13,439,000    
Prior 38,513,000    
Revolving Loans Amortized Cost Basis 88,208,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 1,278,039,000 1,377,674,000  
Real estate – construction and development | 5      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 17,000    
2019 36,633,000    
2018 45,990,000    
2017 16,283,000    
2016 22,066,000    
Prior 17,361,000    
Revolving Loans Amortized Cost Basis 24,323,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 162,673,000 41,759,000  
Real estate – construction and development | 6      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 3,889,000    
2018 7,595,000    
2017 2,805,000    
2016 761,000    
Prior 4,719,000    
Revolving Loans Amortized Cost Basis 115,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 19,884,000 17,223,000  
Real estate – construction and development | 7      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 607,000    
2018 354,000    
2017 642,000    
2016 103,000    
Prior 3,715,000    
Revolving Loans Amortized Cost Basis 124,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 5,545,000 4,747,000  
Real estate – construction and development | 8      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Real estate – construction and development | 9      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Real estate – commercial and farmland      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 235,083,000    
2019 953,987,000    
2018 659,111,000    
2017 707,673,000    
2016 632,329,000    
Prior 1,225,450,000    
Revolving Loans Amortized Cost Basis 102,818,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 4,516,451,000 4,353,039,000 3,175,452,000
Real estate – commercial and farmland | 1      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 0    
2018 204,000    
2017 0    
2016 0    
Prior 0    
Revolving Loans Amortized Cost Basis 0    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 204,000 208,000  
Real estate – commercial and farmland | 2      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 842,000    
2019 574,000    
2018 579,000    
2017 2,248,000    
2016 5,310,000    
Prior 17,267,000    
Revolving Loans Amortized Cost Basis 1,998,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 28,818,000 35,299,000  
Real estate – commercial and farmland | 3      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 120,521,000    
2019 397,469,000    
2018 173,358,000    
2017 232,985,000    
2016 218,717,000    
Prior 341,457,000    
Revolving Loans Amortized Cost Basis 64,639,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 1,549,146,000 1,720,039,000  
Real estate – commercial and farmland | 4      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 66,287,000    
2019 421,177,000    
2018 370,277,000    
2017 280,928,000    
2016 231,586,000    
Prior 538,615,000    
Revolving Loans Amortized Cost Basis 31,941,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 1,940,811,000 2,348,083,000  
Real estate – commercial and farmland | 5      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 46,316,000    
2019 125,732,000    
2018 103,005,000    
2017 177,642,000    
2016 152,518,000    
Prior 246,543,000    
Revolving Loans Amortized Cost Basis 3,410,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 855,166,000 133,119,000  
Real estate – commercial and farmland | 6      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 7,793,000    
2018 8,615,000    
2017 8,363,000    
2016 13,160,000    
Prior 33,336,000    
Revolving Loans Amortized Cost Basis 355,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 71,622,000 53,941,000  
Real estate – commercial and farmland | 7      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 1,117,000    
2019 1,242,000    
2018 3,073,000    
2017 5,507,000    
2016 11,038,000    
Prior 48,232,000    
Revolving Loans Amortized Cost Basis 475,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 70,684,000 62,350,000  
Real estate – commercial and farmland | 8      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Real estate – commercial and farmland | 9      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Real estate – residential      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 139,117,000    
2019 597,429,000    
2018 392,061,000    
2017 294,966,000    
2016 240,276,000    
Prior 729,412,000    
Revolving Loans Amortized Cost Basis 309,484,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 2,017,000    
Total 2,704,762,000 2,808,461,000 1,920,555,000
Real estate – residential | 1      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 0    
2018 0    
2017 0    
2016 0    
Prior 25,000    
Revolving Loans Amortized Cost Basis 0    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 25,000 27,000  
Real estate – residential | 2      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 428,000    
2018 32,000    
2017 130,000    
2016 1,686,000    
Prior 66,302,000    
Revolving Loans Amortized Cost Basis 1,869,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 70,447,000 92,255,000  
Real estate – residential | 3      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 130,436,000    
2019 560,981,000    
2018 355,435,000    
2017 267,876,000    
2016 215,327,000    
Prior 551,033,000    
Revolving Loans Amortized Cost Basis 240,959,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 1,956,000    
Total 2,324,003,000 2,406,587,000  
Real estate – residential | 4      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 8,257,000    
2019 22,733,000    
2018 26,359,000    
2017 14,195,000    
2016 14,311,000    
Prior 71,260,000    
Revolving Loans Amortized Cost Basis 53,612,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 61,000    
Total 210,788,000 222,779,000  
Real estate – residential | 5      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 101,000    
2019 3,671,000    
2018 2,340,000    
2017 4,482,000    
2016 5,142,000    
Prior 15,730,000    
Revolving Loans Amortized Cost Basis 5,354,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 36,820,000 24,618,000  
Real estate – residential | 6      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 1,295,000    
2018 894,000    
2017 200,000    
2016 335,000    
Prior 5,438,000    
Revolving Loans Amortized Cost Basis 1,097,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 9,259,000 10,132,000  
Real estate – residential | 7      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 323,000    
2019 8,321,000    
2018 7,001,000    
2017 8,083,000    
2016 3,475,000    
Prior 19,624,000    
Revolving Loans Amortized Cost Basis 6,593,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 53,420,000 52,063,000  
Real estate – residential | 8      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Real estate – residential | 9      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Consumer installment      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 76,548,000    
2019 159,362,000    
2018 154,266,000    
2017 85,026,000    
2016 23,605,000    
Prior 13,158,000    
Revolving Loans Amortized Cost Basis 8,627,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 520,592,000 498,577,000 463,105,000
Consumer installment | 1      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 1,973,000    
2019 6,918,000    
2018 2,697,000    
2017 1,065,000    
2016 200,000    
Prior 112,000    
Revolving Loans Amortized Cost Basis 624,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 13,589,000 13,184,000  
Consumer installment | 2      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 5,000    
2018 86,000    
2017 3,000    
2016 0    
Prior 96,000    
Revolving Loans Amortized Cost Basis 43,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 233,000 1,233,000  
Consumer installment | 3      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 5,623,000    
2019 12,432,000    
2018 5,632,000    
2017 2,162,000    
2016 2,016,000    
Prior 954,000    
Revolving Loans Amortized Cost Basis 3,735,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 32,554,000 33,314,000  
Consumer installment | 4      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 68,942,000    
2019 139,741,000    
2018 145,674,000    
2017 81,547,000    
2016 21,034,000    
Prior 11,078,000    
Revolving Loans Amortized Cost Basis 4,104,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 472,120,000 449,224,000  
Consumer installment | 5      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 10,000    
2019 58,000    
2018 20,000    
2017 69,000    
2016 91,000    
Prior 385,000    
Revolving Loans Amortized Cost Basis 9,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 642,000 208,000  
Consumer installment | 6      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 15,000    
2018 14,000    
2017 5,000    
2016 51,000    
Prior 81,000    
Revolving Loans Amortized Cost Basis 0    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 166,000 213,000  
Consumer installment | 7      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 193,000    
2018 143,000    
2017 175,000    
2016 213,000    
Prior 452,000    
Revolving Loans Amortized Cost Basis 112,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 1,288,000 1,191,000  
Consumer installment | 8      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   8,000  
Consumer installment | 9      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   2,000  
Indirect automobile      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 51,095,000    
2018 270,349,000    
2017 292,668,000    
2016 186,113,000    
Prior 137,511,000    
Revolving Loans Amortized Cost Basis 0    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 937,736,000 1,061,824,000 0
Indirect automobile | 1      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Indirect automobile | 2      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 0    
2018 141,000    
2017 40,000    
2016 9,226,000    
Prior 6,177,000    
Revolving Loans Amortized Cost Basis 0    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 15,584,000 18,354,000  
Indirect automobile | 3      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 50,064,000    
2018 269,735,000    
2017 291,917,000    
2016 175,293,000    
Prior 129,460,000    
Revolving Loans Amortized Cost Basis 0    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 916,469,000 1,033,861,000  
Indirect automobile | 4      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 996,000    
2018 0    
2017 0    
2016 0    
Prior 0    
Revolving Loans Amortized Cost Basis 0    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 996,000 4,009,000  
Indirect automobile | 5      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Indirect automobile | 6      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Indirect automobile | 7      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 35,000    
2018 473,000    
2017 711,000    
2016 1,594,000    
Prior 1,874,000    
Revolving Loans Amortized Cost Basis 0    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 4,687,000 5,600,000  
Indirect automobile | 8      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Indirect automobile | 9      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Mortgage warehouse      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 0    
2018 0    
2017 0    
2016 0    
Prior 0    
Revolving Loans Amortized Cost Basis 547,328,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 547,328,000 526,369,000 296,372,000
Mortgage warehouse | 1      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Mortgage warehouse | 2      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Mortgage warehouse | 3      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 0    
2018 0    
2017 0    
2016 0    
Prior 0    
Revolving Loans Amortized Cost Basis 547,328,000    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 547,328,000 526,369,000  
Mortgage warehouse | 4      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Mortgage warehouse | 5      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Mortgage warehouse | 6      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Mortgage warehouse | 7      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Mortgage warehouse | 8      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Mortgage warehouse | 9      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Municipal      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 199,851,000    
2019 13,612,000    
2018 36,333,000    
2017 185,079,000    
2016 176,282,000    
Prior 138,476,000    
Revolving Loans Amortized Cost Basis 0    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 749,633,000 564,304,000 591,302,000
Municipal | 1      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 199,851,000    
2019 12,806,000    
2018 36,333,000    
2017 178,779,000    
2016 176,282,000    
Prior 133,614,000    
Revolving Loans Amortized Cost Basis 0    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 737,665,000 552,062,000  
Municipal | 2      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 0    
2018 0    
2017 0    
2016 0    
Prior 2,639,000    
Revolving Loans Amortized Cost Basis 0    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 2,639,000 2,690,000  
Municipal | 3      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 806,000    
2018 0    
2017 6,300,000    
2016 0    
Prior 1,627,000    
Revolving Loans Amortized Cost Basis 0    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 8,733,000 8,925,000  
Municipal | 4      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 0    
2018 0    
2017 0    
2016 0    
Prior 596,000    
Revolving Loans Amortized Cost Basis 0    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 596,000 627,000  
Municipal | 5      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Municipal | 6      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Municipal | 7      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Municipal | 8      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Municipal | 9      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Premium finance      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 324,711,000    
2019 328,075,000    
2018 2,864,000    
2017 1,352,000    
2016 3,787,000    
Prior 1,056,000    
Revolving Loans Amortized Cost Basis 0    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 661,845,000 654,669,000 $ 487,980,000
Premium finance | 1      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Premium finance | 2      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 324,711,000    
2019 320,085,000    
2018 2,751,000    
2017 1,352,000    
2016 321,000    
Prior 960,000    
Revolving Loans Amortized Cost Basis 0    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total 650,180,000 654,069,000  
Premium finance | 3      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Premium finance | 4      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Premium finance | 5      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Premium finance | 6      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Premium finance | 7      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
2020 0    
2019 7,990,000    
2018 113,000    
2017 0    
2016 3,466,000    
Prior 96,000    
Revolving Loans Amortized Cost Basis 0    
Revolving Loans Converted to Term Loans Amortized Cost Basis 0    
Total $ 11,665,000 600,000  
Premium finance | 8      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   0  
Premium finance | 9      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Total   $ 0