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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Credit Quality of Loan Portfolio by Loan Class (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | $ 2,870,871 | $ 3,483,295
Current fiscal year, writeoff | 14,338 |
Year 2 | 2,546,512 | 2,680,834
Fiscal year before current fiscal year, writeoff | 4,012 |
Year 3 | 2,063,941 | 1,843,080
Two years before current fiscal year, writeoff | 1,350 |
Year 4 | 1,410,944 | 686,065
Three years before current fiscal year, writeoff | 5,894 |
Year 5 | 529,690 | 385,461
Four years before current fiscal year, writeoff | 338 |
Prior | 892,018 | 828,159
More than Five years before current fiscal year, writeoff | 2,107 |
Revolving loans amortized cost basis | 2,164,828 | 2,084,096
Revolving loans amortized cost basis writeoff | 0 |
Revolving loans converted to term | 7,223 | 12,904
Revolving loans converted to term, writeoff | 0 |
Loans | 12,486,027 | 12,003,894
Total, writeoff | 28,039 |
Commercial and industrial loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 1,223,491 | 1,094,363
Current fiscal year, writeoff | 13,973 |
Year 2 | 498,757 | 576,080
Fiscal year before current fiscal year, writeoff | 2,711 |
Year 3 | 272,427 | 159,416
Two years before current fiscal year, writeoff | 576 |
Year 4 | 93,854 | 131,332
Three years before current fiscal year, writeoff | 5,665 |
Year 5 | 52,403 | 48,822
Four years before current fiscal year, writeoff | 78 |
Prior | 46,773 | 48,058
More than Five years before current fiscal year, writeoff | 261 |
Revolving loans amortized cost basis | 1,483,039 | 1,373,714
Revolving loans amortized cost basis writeoff | 0 |
Revolving loans converted to term | 204 | 5,341
Revolving loans converted to term, writeoff | 0 |
Loans | 3,670,948 | 3,437,126
Total, writeoff | 23,264 |
Commercial and industrial loans | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 1,175,967 | 1,064,687
Year 2 | 474,601 | 531,504
Year 3 | 253,148 | 141,985
Year 4 | 86,226 | 114,999
Year 5 | 47,910 | 43,136
Prior | 45,020 | 45,310
Revolving loans amortized cost basis | 1,393,756 | 1,302,562
Revolving loans converted to term | 60 | 5,048
Loans | 3,476,688 | 3,249,231
Commercial and industrial loans | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 34,356 | 2,164
Year 2 | 3,911 | 18,005
Year 3 | 1,546 | 11,900
Year 4 | 5,149 | 5,727
Year 5 | 2,986 | 1,012
Prior | 241 | 2,181
Revolving loans amortized cost basis | 45,994 | 27,702
Revolving loans converted to term | 0 | 150
Loans | 94,183 | 68,841
Commercial and industrial loans | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 12,311 | 27,512
Year 2 | 20,245 | 26,571
Year 3 | 17,733 | 5,531
Year 4 | 2,479 | 10,606
Year 5 | 1,507 | 4,674
Prior | 1,512 | 567
Revolving loans amortized cost basis | 40,449 | 43,450
Revolving loans converted to term | 144 | 143
Loans | 96,380 | 119,054
Commercial and industrial loans | Doubtful |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 857 |
Year 2 | 0 |
Year 3 | 0 |
Year 4 | 0 |
Year 5 | 0 |
Prior | 0 |
Revolving loans amortized cost basis | 2,840 |
Revolving loans converted to term | 0 |
Loans | 3,697 |
Agricultural land, production and other loans to farmers |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 35,691 | 44,910
Current fiscal year, writeoff | 0 |
Year 2 | 38,561 | 37,083
Fiscal year before current fiscal year, writeoff | 0 |
Year 3 | 31,511 | 36,281
Two years before current fiscal year, writeoff | 0 |
Year 4 | 31,502 | 15,296
Three years before current fiscal year, writeoff | 0 |
Year 5 | 12,995 | 4,127
Four years before current fiscal year, writeoff | 0 |
Prior | 25,620 | 30,694
More than Five years before current fiscal year, writeoff | 0 |
Revolving loans amortized cost basis | 87,534 | 73,402
Revolving loans amortized cost basis writeoff | 0 |
Revolving loans converted to term | 0 | 0
Revolving loans converted to term, writeoff | 0 |
Loans | 263,414 | 241,793
Total, writeoff | 0 |
Agricultural land, production and other loans to farmers | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 35,633 | 44,446
Year 2 | 38,145 | 36,299
Year 3 | 31,511 | 35,791
Year 4 | 31,048 | 15,296
Year 5 | 12,995 | 3,752
Prior | 25,462 | 28,910
Revolving loans amortized cost basis | 87,534 | 73,402
Revolving loans converted to term | 0 | 0
Loans | 262,328 | 237,896
Agricultural land, production and other loans to farmers | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 0 | 286
Year 2 | 266 | 784
Year 3 | 0 | 0
Year 4 | 0 | 0
Year 5 | 0 | 281
Prior | 122 | 632
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans | 388 | 1,983
Agricultural land, production and other loans to farmers | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 58 | 178
Year 2 | 150 | 0
Year 3 | 0 | 490
Year 4 | 454 | 0
Year 5 | 0 | 94
Prior | 36 | 1,152
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans | 698 | 1,914
Construction |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 430,923 | 383,367
Current fiscal year, writeoff | 0 |
Year 2 | 271,917 | 301,986
Fiscal year before current fiscal year, writeoff | 0 |
Year 3 | 203,672 | 117,541
Two years before current fiscal year, writeoff | 0 |
Year 4 | 29,218 | 11,428
Three years before current fiscal year, writeoff | 0 |
Year 5 | 7,723 | 857
Four years before current fiscal year, writeoff | 0 |
Prior | 2,357 | 3,236
More than Five years before current fiscal year, writeoff | 0 |
Revolving loans amortized cost basis | 11,735 | 17,167
Revolving loans amortized cost basis writeoff | 0 |
Revolving loans converted to term | 0 | 0
Revolving loans converted to term, writeoff | 0 |
Loans | 957,545 | 835,582
Total, writeoff | 0 |
Construction | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 403,578 | 366,414
Year 2 | 267,587 | 301,986
Year 3 | 198,350 | 117,541
Year 4 | 8,372 | 11,428
Year 5 | 7,723 | 857
Prior | 2,357 | 3,224
Revolving loans amortized cost basis | 11,735 | 17,167
Revolving loans converted to term | 0 | 0
Loans | 899,702 | 818,617
Construction | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 25,894 | 16,922
Year 2 | 0 | 0
Year 3 | 0 | 0
Year 4 | 20,846 | 0
Year 5 | 0 | 0
Prior | 0 | 0
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans | 46,740 | 16,922
Construction | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 1,451 | 31
Year 2 | 4,330 | 0
Year 3 | 5,322 | 0
Year 4 | 0 | 0
Year 5 | 0 | 0
Prior | 0 | 12
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans | 11,103 | 43
Commercial real estate, non-owner occupied |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 470,118 | 630,708
Current fiscal year, writeoff | 0 |
Year 2 | 535,962 | 615,408
Fiscal year before current fiscal year, writeoff | 66 |
Year 3 | 542,551 | 596,899
Two years before current fiscal year, writeoff | 0 |
Year 4 | 443,320 | 187,486
Three years before current fiscal year, writeoff | 0 |
Year 5 | 160,799 | 132,847
Four years before current fiscal year, writeoff | 0 |
Prior | 231,061 | 209,128
More than Five years before current fiscal year, writeoff | 0 |
Revolving loans amortized cost basis | 17,028 | 31,196
Revolving loans amortized cost basis writeoff | 0 |
Revolving loans converted to term | 0 | 3,803
Revolving loans converted to term, writeoff | 0 |
Loans | 2,400,839 | 2,407,475
Total, writeoff | 66 |
Commercial real estate, non-owner occupied | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 373,378 | 560,146
Year 2 | 504,280 | 603,254
Year 3 | 535,327 | 550,605
Year 4 | 418,553 | 168,701
Year 5 | 141,320 | 116,859
Prior | 200,821 | 190,264
Revolving loans amortized cost basis | 16,744 | 31,196
Revolving loans converted to term | 0 | 3,803
Loans | 2,190,423 | 2,224,828
Commercial real estate, non-owner occupied | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 76,382 | 49,439
Year 2 | 21,145 | 4,026
Year 3 | 7,005 | 38,268
Year 4 | 4,531 | 18,785
Year 5 | 19,479 | 11,546
Prior | 27,941 | 17,992
Revolving loans amortized cost basis | 37 | 0
Revolving loans converted to term | 0 | 0
Loans | 156,520 | 140,056
Commercial real estate, non-owner occupied | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 20,358 | 21,123
Year 2 | 10,537 | 8,128
Year 3 | 219 | 8,026
Year 4 | 20,236 | 0
Year 5 | 0 | 4,442
Prior | 2,299 | 872
Revolving loans amortized cost basis | 247 | 0
Revolving loans converted to term | 0 | 0
Loans | 53,896 | 42,591
Commercial real estate, owner occupied |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 201,554 | 271,593
Current fiscal year, writeoff | 48 |
Year 2 | 208,567 | 324,004
Fiscal year before current fiscal year, writeoff | 0 |
Year 3 | 269,848 | 335,062
Two years before current fiscal year, writeoff | 0 |
Year 4 | 270,527 | 119,104
Three years before current fiscal year, writeoff | 0 |
Year 5 | 100,388 | 67,946
Four years before current fiscal year, writeoff | 2 |
Prior | 83,316 | 90,990
More than Five years before current fiscal year, writeoff | 0 |
Revolving loans amortized cost basis | 27,883 | 34,451
Revolving loans amortized cost basis writeoff | 0 |
Revolving loans converted to term | 0 | 3,378
Revolving loans converted to term, writeoff | 0 |
Loans | 1,162,083 | 1,246,528
Total, writeoff | 50 |
Commercial real estate, owner occupied | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 176,750 | 260,725
Year 2 | 199,821 | 316,665
Year 3 | 256,346 | 330,441
Year 4 | 263,522 | 114,015
Year 5 | 99,180 | 63,816
Prior | 77,485 | 81,286
Revolving loans amortized cost basis | 27,369 | 33,123
Revolving loans converted to term | 0 | 3,378
Loans | 1,100,473 | 1,203,449
Commercial real estate, owner occupied | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 6,712 | 7,744
Year 2 | 5,034 | 6,125
Year 3 | 9,319 | 2,245
Year 4 | 2,460 | 3,481
Year 5 | 919 | 1,210
Prior | 2,902 | 2,984
Revolving loans amortized cost basis | 514 | 1,328
Revolving loans converted to term | 0 | 0
Loans | 27,860 | 25,117
Commercial real estate, owner occupied | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 18,092 | 3,124
Year 2 | 3,712 | 1,214
Year 3 | 4,183 | 2,376
Year 4 | 4,545 | 1,608
Year 5 | 289 | 2,920
Prior | 2,929 | 6,720
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans | 33,750 | 17,962
Residential |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 398,334 | 762,399
Current fiscal year, writeoff | 101 |
Year 2 | 704,355 | 494,049
Fiscal year before current fiscal year, writeoff | 252 |
Year 3 | 448,226 | 405,136
Two years before current fiscal year, writeoff | 208 |
Year 4 | 368,420 | 115,738
Three years before current fiscal year, writeoff | 3 |
Year 5 | 100,585 | 79,632
Four years before current fiscal year, writeoff | 3 |
Prior | 263,618 | 234,141
More than Five years before current fiscal year, writeoff | 94 |
Revolving loans amortized cost basis | 5,219 | 5,459
Revolving loans amortized cost basis writeoff | 0 |
Revolving loans converted to term | 164 | 101
Revolving loans converted to term, writeoff | 0 |
Loans | 2,288,921 | 2,096,655
Total, writeoff | 661 |
Residential | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 395,363 | 758,161
Year 2 | 695,056 | 489,301
Year 3 | 442,495 | 401,353
Year 4 | 365,297 | 114,420
Year 5 | 98,654 | 77,768
Prior | 254,718 | 229,812
Revolving loans amortized cost basis | 4,988 | 5,365
Revolving loans converted to term | 83 | 46
Loans | 2,256,654 | 2,076,226
Residential | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 2,167 | 2,839
Year 2 | 5,591 | 2,924
Year 3 | 3,202 | 1,972
Year 4 | 1,924 | 513
Year 5 | 1,065 | 396
Prior | 4,837 | 2,588
Revolving loans amortized cost basis | 200 | 34
Revolving loans converted to term | 81 | 0
Loans | 19,067 | 11,266
Residential | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 804 | 1,399
Year 2 | 3,708 | 1,824
Year 3 | 2,529 | 1,811
Year 4 | 1,199 | 805
Year 5 | 866 | 1,468
Prior | 4,063 | 1,741
Revolving loans amortized cost basis | 31 | 60
Revolving loans converted to term | 0 | 55
Loans | 13,200 | 9,163
Home equity |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 9,438 | 40,768
Current fiscal year, writeoff | 69 |
Year 2 | 30,499 | 75,749
Fiscal year before current fiscal year, writeoff | 213 |
Year 3 | 62,318 | 14,621
Two years before current fiscal year, writeoff | 224 |
Year 4 | 12,176 | 1,572
Three years before current fiscal year, writeoff | 149 |
Year 5 | 1,107 | 1,528
Four years before current fiscal year, writeoff | 193 |
Prior | 4,000 | 3,393
More than Five years before current fiscal year, writeoff | 1,596 |
Revolving loans amortized cost basis | 491,950 | 492,720
Revolving loans amortized cost basis writeoff | 0 |
Revolving loans converted to term | 6,083 | 281
Revolving loans converted to term, writeoff | 0 |
Loans | 617,571 | 630,632
Total, writeoff | 2,444 |
Home equity | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 9,375 | 40,768
Year 2 | 29,784 | 75,670
Year 3 | 61,591 | 14,621
Year 4 | 11,084 | 1,572
Year 5 | 1,092 | 1,348
Prior | 3,875 | 3,325
Revolving loans amortized cost basis | 484,330 | 486,924
Revolving loans converted to term | 5,837 | 281
Loans | 606,968 | 624,509
Home equity | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 0 | 0
Year 2 | 715 | 0
Year 3 | 0 | 0
Year 4 | 1,092 | 0
Year 5 | 15 | 115
Prior | 2 | 8
Revolving loans amortized cost basis | 5,031 | 3,698
Revolving loans converted to term | 149 | 0
Loans | 7,004 | 3,821
Home equity | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 63 | 0
Year 2 | 0 | 79
Year 3 | 727 | 0
Year 4 | 0 | 0
Year 5 | 0 | 65
Prior | 123 | 60
Revolving loans amortized cost basis | 2,589 | 2,098
Revolving loans converted to term | 97 | 0
Loans | 3,599 | 2,302
Individuals' loans for household and other personal expenditures |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 35,965 | 68,062
Current fiscal year, writeoff | 147 |
Year 2 | 49,547 | 43,773
Fiscal year before current fiscal year, writeoff | 770 |
Year 3 | 28,525 | 13,105
Two years before current fiscal year, writeoff | 342 |
Year 4 | 6,795 | 5,422
Three years before current fiscal year, writeoff | 77 |
Year 5 | 2,071 | 5,942
Four years before current fiscal year, writeoff | 62 |
Prior | 5,918 | 3,800
More than Five years before current fiscal year, writeoff | 156 |
Revolving loans amortized cost basis | 38,795 | 35,107
Revolving loans amortized cost basis writeoff | 0 |
Revolving loans converted to term | 772 | 0
Revolving loans converted to term, writeoff | 0 |
Loans | 168,388 | 175,211
Total, writeoff | 1,554 |
Individuals' loans for household and other personal expenditures | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 35,781 | 67,883
Year 2 | 49,295 | 43,639
Year 3 | 28,387 | 13,025
Year 4 | 6,726 | 5,389
Year 5 | 2,070 | 5,830
Prior | 5,904 | 3,775
Revolving loans amortized cost basis | 38,619 | 35,091
Revolving loans converted to term | 772 | 0
Loans | 167,554 | 174,632
Individuals' loans for household and other personal expenditures | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 184 | 178
Year 2 | 246 | 134
Year 3 | 138 | 77
Year 4 | 69 | 33
Year 5 | 0 | 28
Prior | 14 | 17
Revolving loans amortized cost basis | 176 | 16
Revolving loans converted to term | 0 | 0
Loans | 827 | 483
Individuals' loans for household and other personal expenditures | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 0 | 1
Year 2 | 6 | 0
Year 3 | 0 | 3
Year 4 | 0 | 0
Year 5 | 1 | 84
Prior | 0 | 8
Revolving loans amortized cost basis | 0 | 0
Revolving loans converted to term | 0 | 0
Loans | 7 | 96
Public finance and other commercial loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 65,357 | 187,125
Year 2 | 208,347 | 212,702
Year 3 | 204,863 | 165,019
Year 4 | 155,132 | 98,687
Year 5 | 91,619 | 43,760
Prior | 229,355 | 204,719
Revolving loans amortized cost basis | 1,645 | 20,880
Revolving loans converted to term | 0 | 0
Loans | 956,318 | 932,892
Public finance and other commercial loans | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Year 1 | 65,357 | 187,125
Year 2 | 208,347 | 212,702
Year 3 | 204,863 | 165,019
Year 4 | 155,132 | 98,687
Year 5 | 91,619 | 43,760
Prior | 229,355 | 204,719
Revolving loans amortized cost basis | 1,645 | 20,880
Revolving loans converted to term | 0 | 0
Loans | $ 956,318 | $ 932,892

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