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Loans - Loan Portfolio by Credit Quality Indicators (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | $ 67,599 | $ 380,926
2023, current period gross write-offs | 0 | 412
2023 | 344,580 | 617,018
2022, current period gross write-offs | 168 | 672
2022 | 596,940 | 309,936
2021, current period gross write-offs | 502 | 513
2021 | 298,136 | 133,315
2020, current period gross write-offs | 178 | 202
2020 | 125,816 | 101,724
2019, current period gross write-offs | 0 | 9
Prior | 311,677 | 227,993
Prior, current period gross write-offs | 20 | 136
Revolvers | 111,058 | 110,019
Revolvers, current period gross write-offs | 0 | 0
Revolvers converted to term loans | 3,212 | 2,539
Revolvers converted to term loans, current period gross write-offs | 0 | 0
Loans, net of unearned income | 1,859,018 | 1,883,470
Loans, current period gross write-offs | 868 | 1,944
Commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
Loans, net of unearned income | 1,205,205 | 1,221,521
Commercial real estate | Construction, land & land development |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 13,992 | 113,379
2023, current period gross write-offs | 0 | 0
2023 | 97,831 | 92,869
2022, current period gross write-offs | 0 | 0
2022 | 82,713 | 27,361
2021, current period gross write-offs | 0 | 0
2021 | 28,149 | 5,654
2020, current period gross write-offs | 0 | 0
2020 | 4,352 | 1,020
2019, current period gross write-offs | 0 | 0
Prior | 6,563 | 5,945
Prior, current period gross write-offs | 0 | 0
Revolvers | 369 | 887
Revolvers, current period gross write-offs | 0 | 0
Revolvers converted to term loans | 31 | 31
Revolvers converted to term loans, current period gross write-offs | 0 | 0
Loans, net of unearned income | 234,000 | 247,146
Loans, current period gross write-offs | 0 | 0
Commercial real estate | Other commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 6,662 | 64,194
2023, current period gross write-offs | 0 | 0
2023 | 79,786 | 347,522
2022, current period gross write-offs | 0 | 0
2022 | 345,659 | 205,122
2021, current period gross write-offs | 0 | 69
2021 | 198,180 | 90,742
2020, current period gross write-offs | 0 | 0
2020 | 86,872 | 85,342
2019, current period gross write-offs | 0 | 0
Prior | 228,786 | 154,463
Prior, current period gross write-offs | 20 | 0
Revolvers | 22,762 | 24,911
Revolvers, current period gross write-offs | 0 | 0
Revolvers converted to term loans | 2,498 | 2,079
Revolvers converted to term loans, current period gross write-offs | 0 | 0
Loans, net of unearned income | 971,205 | 974,375
Loans, current period gross write-offs | 20 | 69
Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 6,983 | 78,944
2023, current period gross write-offs | 0 | 253
2023 | 73,995 | 118,339
2022, current period gross write-offs | 0 | 492
2022 | 115,771 | 51,380
2021, current period gross write-offs | 70 | 26
2021 | 50,223 | 22,238
2020, current period gross write-offs | 0 | 0
2020 | 21,201 | 9,461
2019, current period gross write-offs | 0 | 0
Prior | 56,712 | 52,460
Prior, current period gross write-offs | 0 | 0
Revolvers | 22,294 | 23,312
Revolvers, current period gross write-offs | 0 | 0
Revolvers converted to term loans | 98 | 100
Revolvers converted to term loans, current period gross write-offs | 0 | 0
Loans, net of unearned income | 347,277 | 356,234
Loans, current period gross write-offs | 70 | 771
Commercial, financial & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 18,071 | 71,170
2023, current period gross write-offs | 0 | 150
2023 | 56,485 | 54,205
2022, current period gross write-offs | 52 | 168
2022 | 49,349 | 24,028
2021, current period gross write-offs | 428 | 408
2021 | 19,830 | 13,424
2020, current period gross write-offs | 178 | 200
2020 | 12,390 | 4,947
2019, current period gross write-offs | 0 | 9
Prior | 17,965 | 14,207
Prior, current period gross write-offs | 0 | 134
Revolvers | 65,173 | 60,447
Revolvers, current period gross write-offs | 0 | 0
Revolvers converted to term loans | 574 | 328
Revolvers converted to term loans, current period gross write-offs | 0 | 0
Loans, net of unearned income | 239,837 | 242,756
Loans, current period gross write-offs | 658 | 1,069
Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 21,891 | 53,239
2023, current period gross write-offs | 0 | 9
2023 | 36,483 | 4,083
2022, current period gross write-offs | 116 | 12
2022 | 3,448 | 2,045
2021, current period gross write-offs | 4 | 10
2021 | 1,754 | 1,257
2020, current period gross write-offs | 0 | 2
2020 | 1,001 | 954
2019, current period gross write-offs | 0 | 0
Prior | 1,651 | 918
Prior, current period gross write-offs | 0 | 2
Revolvers | 460 | 462
Revolvers, current period gross write-offs | 0 | 0
Revolvers converted to term loans | 11 | 1
Revolvers converted to term loans, current period gross write-offs | 0 | 0
Loans, net of unearned income | 66,699 | 62,959
Loans, current period gross write-offs | 120 | 35
Pass |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 67,269 | 372,428
2023 | 339,374 | 605,801
2022 | 582,990 | 306,140
2021 | 294,476 | 129,904
2020 | 122,058 | 94,292
Prior | 287,213 | 209,087
Revolvers | 107,745 | 106,474
Revolvers converted to term loans | 2,828 | 2,469
Loans, net of unearned income | 1,803,953 | 1,826,595
Pass | Commercial real estate | Construction, land & land development |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 13,992 | 112,587
2023 | 97,191 | 91,981
2022 | 82,284 | 27,332
2021 | 28,121 | 5,654
2020 | 4,352 | 1,000
Prior | 6,398 | 5,765
Revolvers | 89 | 605
Revolvers converted to term loans | 31 | 31
Loans, net of unearned income | 232,458 | 244,955
Pass | Commercial real estate | Other commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 6,359 | 61,816
2023 | 76,903 | 341,656
2022 | 336,599 | 204,145
2021 | 197,131 | 88,629
2020 | 84,422 | 79,123
Prior | 214,138 | 145,374
Revolvers | 21,999 | 24,158
Revolvers converted to term loans | 2,154 | 2,031
Loans, net of unearned income | 939,705 | 946,932
Pass | Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 6,967 | 78,088
2023 | 73,145 | 116,704
2022 | 113,983 | 50,986
2021 | 49,805 | 21,892
2020 | 20,828 | 8,510
Prior | 47,464 | 43,038
Revolvers | 21,938 | 22,642
Revolvers converted to term loans | 98 | 100
Loans, net of unearned income | 334,228 | 341,960
Pass | Commercial, financial & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 18,071 | 66,820
2023 | 55,857 | 51,439
2022 | 46,732 | 21,673
2021 | 17,713 | 12,489
2020 | 11,469 | 4,734
Prior | 17,594 | 14,002
Revolvers | 63,259 | 58,607
Revolvers converted to term loans | 534 | 306
Loans, net of unearned income | 231,229 | 230,070
Pass | Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 21,880 | 53,117
2023 | 36,278 | 4,021
2022 | 3,392 | 2,004
2021 | 1,706 | 1,240
2020 | 987 | 925
Prior | 1,619 | 908
Revolvers | 460 | 462
Revolvers converted to term loans | 11 | 1
Loans, net of unearned income | 66,333 | 62,678
Special Mention |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 319 | 5,988
2023 | 2,101 | 4,653
2022 | 4,592 | 1,215
2021 | 861 | 2,920
2020 | 2,915 | 6,625
Prior | 15,803 | 9,451
Revolvers | 2,164 | 2,225
Revolvers converted to term loans | 344 | 48
Loans, net of unearned income | 29,099 | 33,125
Special Mention | Commercial real estate | Construction, land & land development |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 0 | 792
2023 | 640 | 0
2022 | 0 | 25
2021 | 24 | 0
2020 | 0 | 0
Prior | 25 | 29
Revolvers | 280 | 282
Revolvers converted to term loans | 0 | 0
Loans, net of unearned income | 969 | 1,128
Special Mention | Commercial real estate | Other commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 303 | 75
2023 | 76 | 3,251
2022 | 3,458 | 766
2021 | 484 | 2,113
2020 | 2,094 | 5,733
Prior | 10,267 | 4,694
Revolvers | 554 | 545
Revolvers converted to term loans | 344 | 48
Loans, net of unearned income | 17,580 | 17,225
Special Mention | Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 16 | 856
2023 | 850 | 466
2022 | 517 | 10
2021 | 43 | 50
2020 | 92 | 679
Prior | 5,310 | 4,687
Revolvers | 326 | 424
Revolvers converted to term loans | 0 | 0
Loans, net of unearned income | 7,154 | 7,172
Special Mention | Commercial, financial & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 0 | 4,186
2023 | 364 | 894
2022 | 579 | 376
2021 | 277 | 745
2020 | 719 | 188
Prior | 180 | 40
Revolvers | 1,004 | 974
Revolvers converted to term loans | 0 | 0
Loans, net of unearned income | 3,123 | 7,403
Special Mention | Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 0 | 79
2023 | 171 | 42
2022 | 38 | 38
2021 | 33 | 12
2020 | 10 | 25
Prior | 21 | 1
Revolvers | 0 | 0
Revolvers converted to term loans | 0 | 0
Loans, net of unearned income | 273 | 197
Substandard |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 11 | 2,510
2023 | 3,105 | 6,564
2022 | 9,358 | 2,581
2021 | 2,799 | 491
2020 | 843 | 807
Prior | 8,661 | 9,455
Revolvers | 1,149 | 1,320
Revolvers converted to term loans | 40 | 22
Loans, net of unearned income | 25,966 | 23,750
Substandard | Commercial real estate | Construction, land & land development |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 0 | 0
2023 | 0 | 888
2022 | 429 | 4
2021 | 4 | 0
2020 | 0 | 20
Prior | 140 | 151
Revolvers | 0 | 0
Revolvers converted to term loans | 0 | 0
Loans, net of unearned income | 573 | 1,063
Substandard | Commercial real estate | Other commercial real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 0 | 2,303
2023 | 2,807 | 2,615
2022 | 5,602 | 211
2021 | 565 | 0
2020 | 356 | 486
Prior | 4,381 | 4,395
Revolvers | 209 | 208
Revolvers converted to term loans | 0 | 0
Loans, net of unearned income | 13,920 | 10,218
Substandard | Residential real estate |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 0 | 0
2023 | 0 | 1,169
2022 | 1,271 | 384
2021 | 375 | 296
2020 | 281 | 272
Prior | 3,938 | 4,735
Revolvers | 30 | 246
Revolvers converted to term loans | 0 | 0
Loans, net of unearned income | 5,895 | 7,102
Substandard | Commercial, financial & agricultural |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 0 | 164
2023 | 264 | 1,872
2022 | 2,038 | 1,979
2021 | 1,840 | 190
2020 | 202 | 25
Prior | 191 | 165
Revolvers | 910 | 866
Revolvers converted to term loans | 40 | 22
Loans, net of unearned income | 5,485 | 5,283
Substandard | Consumer and other |  |
Loans and Leases Receivable Disclosure [Line Items] |  |
2024 | 11 | 43
2023 | 34 | 20
2022 | 18 | 3
2021 | 15 | 5
2020 | 4 | 4
Prior | 11 | 9
Revolvers | 0 | 0
Revolvers converted to term loans | 0 | 0
Loans, net of unearned income | $ 93 | $ 84

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