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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Loans by Year of Origination, Loan Segmentation and Risk Indicator (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
Credit quality information |  |
2023 | $ 50,588 | $ 300,691
2022 | 302,663 | 804,770
2021 | 802,970 | 497,365
2020 | 491,926 | 333,145
2019 | 325,158 | 197,739
Prior | 1,038,367 | 865,339
Total loans | 3,011,672 | 2,999,049
Construction and land development | Total commercial loans |  |
Credit quality information |  |
2023 | 1,219 | 14,040
2022 | 23,199 | 99,115
2021 | 107,106 | 35,978
2020 | 20,918 | 3,992
2019 | 4,415 |
Prior | 1,413 | 923
Total loans | 158,270 | 154,048
Construction and land development | Pass | Total commercial loans |  |
Credit quality information |  |
2023 | 1,219 | 14,040
2022 | 23,199 | 99,115
2021 | 107,106 | 35,978
2020 | 20,918 | 3,992
2019 | 4,415 |
Prior | 1,413 | 923
Total loans | 158,270 | 154,048
Commercial real estate owner occupied | Total commercial real estate |  |
Credit quality information |  |
2023 | 1,328 | 57,763
2022 | 52,643 | 61,402
2021 | 67,078 | 50,716
2020 | 60,467 | 21,805
2019 | 21,540 | 20,462
Prior | 120,525 | 97,867
Total loans | 323,581 | 310,015
Current period gross write-offs |  |
Prior | 3 |
Total | 3 |
Commercial real estate owner occupied | Pass | Total commercial real estate |  |
Credit quality information |  |
2023 | 1,328 | 57,603
2022 | 52,491 | 61,015
2021 | 67,078 | 43,228
2020 | 60,467 | 20,209
2019 | 19,975 | 20,462
Prior | 115,429 | 91,187
Total loans | 316,768 | 293,704
Commercial real estate owner occupied | Special mention | Total commercial real estate |  |
Credit quality information |  |
2023 |  | 160
2022 | 152 | 387
2021 |  | 7,488
2020 |  | 1,596
2019 | 1,565 |
Prior | 3,382 | 3,066
Total loans | 5,099 | 12,697
Commercial real estate owner occupied | Substandard | Total commercial real estate |  |
Credit quality information |  |
Prior | 1,604 | 3,497
Total loans | 1,604 | 3,497
Commercial real estate owner occupied | Doubtful | Total commercial real estate |  |
Credit quality information |  |
Prior | 110 | 117
Total loans | 110 | 117
Commercial real estate non-owner occupied | Total commercial real estate |  |
Credit quality information |  |
2023 | 10,379 | 49,079
2022 | 48,987 | 353,613
2021 | 352,160 | 213,445
2020 | 220,143 | 164,480
2019 | 163,754 | 94,005
Prior | 359,874 | 269,944
Total loans | 1,155,297 | 1,144,566
Commercial real estate non-owner occupied | Pass | Total commercial real estate |  |
Credit quality information |  |
2023 | 10,379 | 41,270
2022 | 41,205 | 353,613
2021 | 342,797 | 199,311
2020 | 198,618 | 127,231
2019 | 135,808 | 78,759
Prior | 321,447 | 238,973
Total loans | 1,050,254 | 1,039,157
Commercial real estate non-owner occupied | Special mention | Total commercial real estate |  |
Credit quality information |  |
2023 |  | 7,809
2022 | 7,782 |
2021 | 9,363 | 14,134
2020 | 21,525 | 37,249
2019 | 27,946 | 15,246
Prior | 20,597 | 17,108
Total loans | 87,213 | 91,546
Commercial real estate non-owner occupied | Substandard | Total commercial real estate |  |
Credit quality information |  |
Prior | 17,830 | 13,863
Total loans | 17,830 | 13,863
Tax exempt |  |
Credit quality information |  |
2023 | 501 | 6,340
2022 | 2,832 | 8,468
2021 | 8,468 | 787
2020 | 724 | 208
2019 | 208 | 590
Prior | 26,528 | 27,295
Total loans | 39,261 | 43,688
Tax exempt | Pass |  |
Credit quality information |  |
2023 | 501 | 6,340
2022 | 2,832 | 8,468
2021 | 8,468 | 787
2020 | 724 | 208
2019 | 208 | 590
Prior | 26,528 | 27,295
Total loans | 39,261 | 43,688
Commercial and industrial | Total commercial and industrial |  |
Credit quality information |  |
2023 | 25,552 | 81,364
2022 | 79,873 | 70,942
2021 | 64,140 | 22,391
2020 | 18,422 | 39,709
2019 | 34,542 | 14,949
Prior | 84,315 | 81,528
Total loans | 306,844 | 310,883
Current period gross write-offs |  |
2020 | 62 |
2019 | 3 | 5
Prior |  | 659
Total | 65 | 664
Commercial and industrial | Pass |  |
Credit quality information |  |
2023 |  | 80,942
2022 |  | 69,402
2021 |  | 22,205
2020 |  | 38,824
2019 |  | 14,739
Prior |  | 77,273
Total loans |  | 303,385
Commercial and industrial | Pass | Total commercial and industrial |  |
Credit quality information |  |
2023 | 25,552 |
2022 | 79,412 |
2021 | 62,520 |
2020 | 18,175 |
2019 | 33,714 |
Prior | 79,651 |
Total loans | 299,024 |
Commercial and industrial | Special mention | Total commercial and industrial |  |
Credit quality information |  |
2023 |  | 364
2022 | 306 | 1,446
2021 | 1,419 |
2020 | 124 | 776
2019 | 704 | 28
Prior | 3,442 | 3,588
Total loans | 5,995 | 6,202
Commercial and industrial | Substandard | Total commercial and industrial |  |
Credit quality information |  |
2023 |  | 58
2022 | 155 | 94
2021 | 201 | 186
2020 | 123 | 109
2019 | 124 | 95
Prior | 1,001 | 532
Total loans | 1,604 | 1,074
Commercial and industrial | Doubtful | Total commercial and industrial |  |
Credit quality information |  |
2019 |  | 87
Prior | 221 | 135
Total loans | 221 | 222
Residential mortgages | Residential real estate |  |
Credit quality information |  |
2023 | 7,076 | 72,395
2022 | 76,695 | 194,109
2021 | 187,342 | 165,475
2020 | 163,510 | 96,016
2019 | 94,344 | 62,882
Prior | 404,944 | 349,457
Total loans | 933,911 | 940,334
Current period gross write-offs |  |
Prior |  | 8
Total |  | 8
Residential mortgages | Performing | Residential real estate |  |
Credit quality information |  |
2023 | 7,076 | 72,395
2022 | 76,695 | 194,109
2021 | 186,939 | 165,434
2020 | 162,848 | 96,016
2019 | 94,344 | 62,648
Prior | 401,684 | 345,823
Total loans | 929,586 | 936,425
Residential mortgages | Nonperforming | Residential real estate |  |
Credit quality information |  |
2021 | 403 | 41
2020 | 662 |
2019 |  | 234
Prior | 3,260 | 3,634
Total loans | 4,325 | 3,909
Home equity |  |
Credit quality information |  |
2023 | 2,620 | 15,582
2022 | 15,816 | 15,334
2021 | 15,200 | 7,873
2020 | 7,164 | 6,633
2019 | 6,138 | 4,800
Prior | 39,941 | 37,461
Total loans | 86,879 | 87,683
Current period gross write-offs |  |
Prior |  | 12
Total |  | 12
Home equity | Performing |  |
Credit quality information |  |
2023 | 2,620 | 15,582
2022 | 15,816 | 15,334
2021 | 15,200 | 7,873
2020 | 7,107 | 6,633
2019 | 6,138 | 4,800
Prior | 39,038 | 36,652
Total loans | 85,919 | 86,874
Home equity | Nonperforming |  |
Credit quality information |  |
2020 | 57 |
Prior | 903 | 809
Total loans | 960 | 809
Other consumer |  |
Credit quality information |  |
2023 |  | 4,128
2022 |  | 1,787
2021 |  | 700
2020 |  | 302
2019 |  | 51
Prior |  | 864
Total loans |  | 7,832
Other consumer | Consumer |  |
Credit quality information |  |
2023 | 1,913 |
2022 | 2,618 |
2021 | 1,476 |
2020 | 578 |
2019 | 217 |
Prior | 827 |
Total loans | 7,629 |
Current period gross write-offs |  |
2022 | 4 | 52
2021 | 1 | 18
2020 |  | 5
Prior | 40 | 214
Total | 45 | 289
Other consumer | Performing | Consumer |  |
Credit quality information |  |
2023 | 1,913 | 4,128
2022 | 2,618 | 1,787
2021 | 1,476 | 696
2020 | 572 | 301
2019 | 212 | 51
Prior | 827 | 864
Total loans | 7,618 | 7,827
Other consumer | Nonperforming | Consumer |  |
Credit quality information |  |
2021 |  | 4
2020 | 6 | 1
2019 | 5 |
Total loans | $ 11 | $ 5

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