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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Loans by Risk Grade (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | $ 1,084,997 | $ 3,520,850
Year two | 2,878,382 | 5,111,112
Year three | 5,211,153 | 4,336,679
Year four | 4,234,733 | 1,988,570
Year five | 1,941,676 | 1,209,250
Prior | 3,348,264 | 2,289,160
Revolving Loans Amortized Cost Basis | 1,901,055 | 1,813,682
Loans, net of unearned income | 20,600,260 | 20,269,303
Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 1,084,967 | 3,502,909
Year two | 2,853,595 | 5,062,109
Year three | 5,160,453 | 4,228,744
Year four | 4,172,561 | 1,953,577
Year five | 1,893,656 | 1,149,459
Prior | 3,199,394 | 2,188,927
Revolving Loans Amortized Cost Basis | 1,856,676 | 1,761,006
Loans, net of unearned income | 20,221,302 | 19,846,731
6 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 13
Year two | 1,587 | 17,471
Year three | 1,597 | 59,123
Year four | 5,322 | 293
Year five | 17,796 | 30,543
Prior | 71,719 | 48,737
Revolving Loans Amortized Cost Basis | 39,204 | 47,545
Loans, net of unearned income | 137,225 | 203,725
7 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 30 | 17,928
Year two | 23,200 | 31,532
Year three | 49,103 | 48,812
Year four | 56,850 | 34,700
Year five | 30,224 | 29,248
Prior | 77,151 | 51,496
Revolving Loans Amortized Cost Basis | 5,175 | 5,131
Loans, net of unearned income | 241,733 | 218,847
Commercial, financial and agricultural |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 297,252 | 894,463
Year two | 780,431 | 762,401
Year three | 710,779 | 393,774
Year four | 354,827 | 96,287
Year five | 82,216 | 60,089
Prior | 87,860 | 47,294
Revolving Loans Amortized Cost Basis | 445,351 | 434,621
Loans, net of unearned income | 2,758,716 | 2,688,929
Current-period gross charge offs, year one | 0 |
Current-period gross charge offs, year two | 6,172 |
Current-period gross charge offs, year three | 5,557 |
Current-period gross charge offs, year four | 2,662 |
Current-period gross charge offs, year five | 428 |
Current-period gross charge offs, prior | 476 |
Current-period gross charge offs, revolving loans amortized cost basis | 0 |
Current-period gross charge offs | 15,295 |
Commercial, financial and agricultural | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 297,252 | 892,951
Year two | 779,128 | 758,471
Year three | 705,529 | 384,830
Year four | 344,701 | 95,055
Year five | 80,504 | 56,447
Prior | 78,229 | 41,095
Revolving Loans Amortized Cost Basis | 433,576 | 432,472
Loans, net of unearned income | 2,718,919 | 2,661,321
Commercial, financial and agricultural | 6 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 216 | 335
Year three | 1,274 | 5,722
Year four | 1,656 | 92
Year five | 986 | 109
Prior | 982 | 451
Revolving Loans Amortized Cost Basis | 10,266 | 803
Loans, net of unearned income | 15,380 | 7,512
Commercial, financial and agricultural | 7 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 1,512
Year two | 1,087 | 3,595
Year three | 3,976 | 3,222
Year four | 8,470 | 1,140
Year five | 726 | 3,533
Prior | 8,649 | 5,748
Revolving Loans Amortized Cost Basis | 1,509 | 1,346
Loans, net of unearned income | 24,417 | 20,096
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 19,721 | 44,890
Year two | 28,802 | 17,847
Year three | 15,307 | 5,919
Year four | 4,778 | 25,988
Year five | 23,602 | 16,035
Prior | 34,170 | 21,494
Revolving Loans Amortized Cost Basis | 106,613 | 109,379
Loans, net of unearned income | 232,993 | 241,552
Current-period gross charge offs, year one | 1 |
Current-period gross charge offs, year two | 146 |
Current-period gross charge offs, year three | 71 |
Current-period gross charge offs, year four | 2 |
Current-period gross charge offs, year five | 290 |
Current-period gross charge offs, prior | 383 |
Current-period gross charge offs, revolving loans amortized cost basis | 198 |
Current-period gross charge offs | 1,091 |
Consumer | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 19,721 | 44,736
Year two | 28,572 | 17,661
Year three | 15,117 | 5,878
Year four | 4,738 | 25,654
Year five | 23,350 | 15,838
Prior | 33,590 | 20,937
Revolving Loans Amortized Cost Basis | 106,128 | 109,214
Loans, net of unearned income | 231,216 | 239,918
Consumer | 6 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 5
Year three | 5 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 23 | 26
Revolving Loans Amortized Cost Basis | 0 | 0
Loans, net of unearned income | 28 | 31
Consumer | 7 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 154
Year two | 230 | 181
Year three | 185 | 41
Year four | 40 | 334
Year five | 252 | 197
Prior | 557 | 531
Revolving Loans Amortized Cost Basis | 485 | 165
Loans, net of unearned income | 1,749 | 1,603
Indirect automobile |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 6,141
Prior | 24,022 | 28,116
Revolving Loans Amortized Cost Basis | 0 | 0
Loans, net of unearned income | 24,022 | 34,257
Current-period gross charge offs, year one | 0 |
Current-period gross charge offs, year two | 0 |
Current-period gross charge offs, year three | 0 |
Current-period gross charge offs, year four | 0 |
Current-period gross charge offs, year five | 0 |
Current-period gross charge offs, prior | 65 |
Current-period gross charge offs, revolving loans amortized cost basis | 0 |
Current-period gross charge offs | 65 |
Indirect automobile | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 6,086
Prior | 23,584 | 27,646
Revolving Loans Amortized Cost Basis | 0 | 0
Loans, net of unearned income | 23,584 | 33,732
Indirect automobile | 7 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 55
Prior | 438 | 470
Revolving Loans Amortized Cost Basis | 0 | 0
Loans, net of unearned income | 438 | 525
Mortgage warehouse |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 891,336 | 818,728
Loans, net of unearned income | 891,336 | 818,728
Current-period gross charge offs, year one | 0 |
Current-period gross charge offs, year two | 0 |
Current-period gross charge offs, year three | 0 |
Current-period gross charge offs, year four | 0 |
Current-period gross charge offs, year five | 0 |
Current-period gross charge offs, prior | 0 |
Current-period gross charge offs, revolving loans amortized cost basis | 0 |
Current-period gross charge offs | 0 |
Mortgage warehouse | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 863,383 | 772,366
Loans, net of unearned income | 863,383 | 772,366
Mortgage warehouse | 6 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 0 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 27,953 | 46,362
Loans, net of unearned income | 27,953 | 46,362
Municipal |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 12,903 | 14,216
Year two | 9,407 | 27,346
Year three | 29,637 | 48,941
Year four | 37,933 | 177,156
Year five | 170,942 | 14,655
Prior | 214,285 | 208,236
Revolving Loans Amortized Cost Basis | 2,460 | 2,118
Loans, net of unearned income | 477,567 | 492,668
Current-period gross charge offs, year one | 0 |
Current-period gross charge offs, year two | 0 |
Current-period gross charge offs, year three | 0 |
Current-period gross charge offs, year four | 0 |
Current-period gross charge offs, year five | 0 |
Current-period gross charge offs, prior | 0 |
Current-period gross charge offs, revolving loans amortized cost basis | 0 |
Current-period gross charge offs | 0 |
Municipal | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 12,903 | 14,216
Year two | 9,407 | 27,346
Year three | 29,637 | 48,941
Year four | 37,933 | 177,156
Year five | 170,942 | 14,655
Prior | 214,285 | 208,236
Revolving Loans Amortized Cost Basis | 2,460 | 2,118
Loans, net of unearned income | 477,567 | 492,668
Premium finance |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 511,214 | 939,707
Year two | 484,852 | 4,939
Year three | 1,502 | 1,916
Year four | 1,158 | 0
Year five | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Loans, net of unearned income | 998,726 | 946,562
Current-period gross charge offs, year one | 7 |
Current-period gross charge offs, year two | 1,831 |
Current-period gross charge offs, year three | 168 |
Current-period gross charge offs, year four | 0 |
Current-period gross charge offs, year five | 0 |
Current-period gross charge offs, prior | 0 |
Current-period gross charge offs, revolving loans amortized cost basis | 0 |
Current-period gross charge offs | 2,006 |
Premium finance | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 511,184 | 928,930
Year two | 473,140 | 4,038
Year three | 1,358 | 1,916
Year four | 1,158 | 0
Year five | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Loans, net of unearned income | 986,840 | 934,884
Premium finance | 7 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 30 | 10,777
Year two | 11,712 | 901
Year three | 144 | 0
Year four | 0 | 0
Year five | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Loans, net of unearned income | 11,886 | 11,678
Real estate – construction and development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 108,222 | 457,077
Year two | 408,264 | 939,175
Year three | 1,089,888 | 506,766
Year four | 467,397 | 58,840
Year five | 36,444 | 54,646
Prior | 78,613 | 31,021
Revolving Loans Amortized Cost Basis | 75,518 | 81,662
Loans, net of unearned income | 2,264,346 | 2,129,187
Current-period gross charge offs, year one | 0 |
Current-period gross charge offs, year two | 0 |
Current-period gross charge offs, year three | 0 |
Current-period gross charge offs, year four | 0 |
Current-period gross charge offs, year five | 0 |
Current-period gross charge offs, prior | 0 |
Current-period gross charge offs, revolving loans amortized cost basis | 0 |
Current-period gross charge offs | 0 |
Real estate – construction and development | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 108,222 | 457,077
Year two | 408,184 | 938,909
Year three | 1,089,607 | 505,254
Year four | 467,028 | 58,840
Year five | 36,444 | 54,646
Prior | 77,819 | 30,042
Revolving Loans Amortized Cost Basis | 75,518 | 81,662
Loans, net of unearned income | 2,262,822 | 2,126,430
Real estate – construction and development | 6 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 0 | 0
Year three | 281 | 0
Year four | 68 | 0
Year five | 0 | 0
Prior | 301 | 479
Revolving Loans Amortized Cost Basis | 0 | 0
Loans, net of unearned income | 650 | 479
Real estate – construction and development | 7 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 80 | 266
Year three | 0 | 1,512
Year four | 301 | 0
Year five | 0 | 0
Prior | 493 | 500
Revolving Loans Amortized Cost Basis | 0 | 0
Loans, net of unearned income | 874 | 2,278
Real estate – commercial and farmland |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 75,366 | 450,743
Year two | 462,281 | 1,908,047
Year three | 1,947,856 | 2,202,740
Year four | 2,210,850 | 1,093,395
Year five | 1,104,299 | 801,946
Prior | 2,234,410 | 1,502,677
Revolving Loans Amortized Cost Basis | 96,186 | 100,206
Loans, net of unearned income | 8,131,248 | 8,059,754
Current-period gross charge offs, year one | 0 |
Current-period gross charge offs, year two | 0 |
Current-period gross charge offs, year three | 0 |
Current-period gross charge offs, year four | 0 |
Current-period gross charge offs, year five | 0 |
Current-period gross charge offs, prior | 0 |
Current-period gross charge offs, revolving loans amortized cost basis | 0 |
Current-period gross charge offs | 0 |
Real estate – commercial and farmland | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 75,366 | 450,315
Year two | 460,496 | 1,890,498
Year three | 1,930,487 | 2,133,833
Year four | 2,191,428 | 1,090,735
Year five | 1,085,100 | 765,640
Prior | 2,143,332 | 1,437,323
Revolving Loans Amortized Cost Basis | 96,186 | 100,206
Loans, net of unearned income | 7,982,395 | 7,868,550
Real estate – commercial and farmland | 6 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 0
Year two | 1,359 | 17,131
Year three | 0 | 53,329
Year four | 3,527 | 0
Year five | 16,579 | 30,200
Prior | 69,058 | 46,370
Revolving Loans Amortized Cost Basis | 0 | 0
Loans, net of unearned income | 90,523 | 147,030
Real estate – commercial and farmland | 7 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 428
Year two | 426 | 418
Year three | 17,369 | 15,578
Year four | 15,895 | 2,660
Year five | 2,620 | 6,106
Prior | 22,020 | 18,984
Revolving Loans Amortized Cost Basis | 0 | 0
Loans, net of unearned income | 58,330 | 44,174
Real estate – residential |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 60,319 | 719,754
Year two | 704,345 | 1,451,357
Year three | 1,416,184 | 1,176,623
Year four | 1,157,790 | 536,904
Year five | 524,173 | 255,738
Prior | 674,904 | 450,322
Revolving Loans Amortized Cost Basis | 283,591 | 266,968
Loans, net of unearned income | 4,821,306 | 4,857,666
Current-period gross charge offs, year one | 0 |
Current-period gross charge offs, year two | 0 |
Current-period gross charge offs, year three | 0 |
Current-period gross charge offs, year four | 0 |
Current-period gross charge offs, year five | 0 |
Current-period gross charge offs, prior | 0 |
Current-period gross charge offs, revolving loans amortized cost basis | 0 |
Current-period gross charge offs | 0 |
Real estate – residential | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 60,319 | 714,684
Year two | 694,668 | 1,425,186
Year three | 1,388,718 | 1,148,092
Year four | 1,125,575 | 506,137
Year five | 497,316 | 236,147
Prior | 628,555 | 423,648
Revolving Loans Amortized Cost Basis | 279,425 | 262,968
Loans, net of unearned income | 4,674,576 | 4,716,862
Real estate – residential | 6 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 13
Year two | 12 | 0
Year three | 37 | 72
Year four | 71 | 201
Year five | 231 | 234
Prior | 1,355 | 1,411
Revolving Loans Amortized Cost Basis | 985 | 380
Loans, net of unearned income | 2,691 | 2,311
Real estate – residential | 7 |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Year one | 0 | 5,057
Year two | 9,665 | 26,171
Year three | 27,429 | 28,459
Year four | 32,144 | 30,566
Year five | 26,626 | 19,357
Prior | 44,994 | 25,263
Revolving Loans Amortized Cost Basis | 3,181 | 3,620
Loans, net of unearned income | 144,039 | $ 138,493
Total Loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Current-period gross charge offs, year one | 8 |
Current-period gross charge offs, year two | 8,149 |
Current-period gross charge offs, year three | 5,796 |
Current-period gross charge offs, year four | 2,664 |
Current-period gross charge offs, year five | 718 |
Current-period gross charge offs, prior | 924 |
Current-period gross charge offs, revolving loans amortized cost basis | 198 |
Current-period gross charge offs | $ 18,457 |

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