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Loans - Risk Categories of Loans by Class of Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | $ 336,443 |  | $ 1,312,924
One year prior to current fiscal year | 1,387,355 |  | 907,011
Two years prior to current fiscal year | 890,157 |  | 2,056,529
Three years prior to current fiscal year | 2,004,751 |  | 1,792,005
Four years prior to current fiscal year | 1,751,569 |  | 687,367
Prior | 2,914,254 |  | 2,403,812
Revolving | 1,158,492 |  | 1,140,302
Total | 10,443,021 |  | 10,299,950
Current fiscal year, Charge Offs | 165 |  | 789
One year prior to current fiscal year, Charge Offs | 61 |  | 457
Two years prior to current fiscal year, Charge Offs | 7 |  | 8,412
Three years prior to current fiscal year, Charge Offs | 1,313 |  | 15,497
Four years prior to current fiscal year, Charge Offs | 790 |  | 384
Prior, Charge Offs | 5,536 |  | 4,953
Revolving, Charge Offs | 405 |  | 1,373
Total, Charge Offs | 8,277 | $ 4,628 | 31,865
Construction and land development |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 7,367 |  | 113,993
One year prior to current fiscal year | 143,531 |  | 160,801
Two years prior to current fiscal year | 171,693 |  | 161,305
Three years prior to current fiscal year | 96,433 |  | 39,366
Four years prior to current fiscal year | 39,147 |  | 8,547
Prior | 47,530 |  | 37,382
Revolving | 112,792 |  | 126,659
Total | 618,493 |  | 648,053
Current fiscal year, Charge Offs | 0 |  | 0
One year prior to current fiscal year, Charge Offs | 0 |  | 0
Two years prior to current fiscal year, Charge Offs | 0 |  | 0
Three years prior to current fiscal year, Charge Offs | 0 |  | 0
Four years prior to current fiscal year, Charge Offs | 0 |  | 0
Prior, Charge Offs | 0 |  | 1
Revolving, Charge Offs | 0 |  | 0
Total, Charge Offs | 0 | 0 | 1
Construction and land development | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 7,367 |  | 113,993
One year prior to current fiscal year | 143,531 |  | 160,801
Two years prior to current fiscal year | 165,481 |  | 161,122
Three years prior to current fiscal year | 96,279 |  | 39,276
Four years prior to current fiscal year | 39,060 |  | 8,547
Prior | 45,935 |  | 36,342
Revolving | 112,792 |  | 126,659
Total | 610,445 |  | 646,740
Construction and land development | Special Mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 0 |  | 0
One year prior to current fiscal year | 0 |  | 0
Two years prior to current fiscal year | 6,212 |  | 0
Three years prior to current fiscal year | 0 |  | 0
Four years prior to current fiscal year | 0 |  | 0
Prior | 658 |  | 75
Revolving | 0 |  | 0
Total | 6,870 |  | 75
Construction and land development | Substandard |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 0 |  | 0
One year prior to current fiscal year | 0 |  | 0
Two years prior to current fiscal year | 0 |  | 183
Three years prior to current fiscal year | 154 |  | 90
Four years prior to current fiscal year | 87 |  | 0
Prior | 937 |  | 965
Revolving | 0 |  | 0
Total | 1,178 |  | 1,238
Construction and land development | Doubtful |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 0 |  | 0
One year prior to current fiscal year | 0 |  | 0
Two years prior to current fiscal year | 0 |  | 0
Three years prior to current fiscal year | 0 |  | 0
Four years prior to current fiscal year | 0 |  | 0
Prior | 0 |  | 0
Revolving | 0 |  | 0
Total | 0 |  | 0
Commercial real estate - owner occupied |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 51,751 |  | 184,401
One year prior to current fiscal year | 182,977 |  | 140,258
Two years prior to current fiscal year | 156,501 |  | 268,062
Three years prior to current fiscal year | 261,941 |  | 260,432
Four years prior to current fiscal year | 252,031 |  | 161,990
Prior | 790,973 |  | 650,462
Revolving | 17,405 |  | 21,024
Total | 1,713,579 |  | 1,686,629
Current fiscal year, Charge Offs | 0 |  | 0
One year prior to current fiscal year, Charge Offs | 0 |  | 0
Two years prior to current fiscal year, Charge Offs | 0 |  | 179
Three years prior to current fiscal year, Charge Offs | 0 |  | 0
Four years prior to current fiscal year, Charge Offs | 0 |  | 0
Prior, Charge Offs | 0 |  | 162
Revolving, Charge Offs | 0 |  | 0
Total, Charge Offs | 0 | 0 | 341
Commercial real estate - owner occupied | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 51,751 |  | 184,312
One year prior to current fiscal year | 182,890 |  | 139,197
Two years prior to current fiscal year | 142,750 |  | 260,266
Three years prior to current fiscal year | 256,132 |  | 257,711
Four years prior to current fiscal year | 250,906 |  | 153,702
Prior | 752,667 |  | 628,391
Revolving | 17,004 |  | 20,674
Total | 1,654,100 |  | 1,644,253
Commercial real estate - owner occupied | Special Mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 0 |  | 0
One year prior to current fiscal year | 0 |  | 0
Two years prior to current fiscal year | 12,696 |  | 4,975
Three years prior to current fiscal year | 82 |  | 2,344
Four years prior to current fiscal year | 751 |  | 2,418
Prior | 19,030 |  | 7,965
Revolving | 0 |  | 1
Total | 32,559 |  | 17,703
Commercial real estate - owner occupied | Substandard |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 0 |  | 89
One year prior to current fiscal year | 87 |  | 1,061
Two years prior to current fiscal year | 1,055 |  | 2,821
Three years prior to current fiscal year | 5,727 |  | 377
Four years prior to current fiscal year | 374 |  | 5,870
Prior | 19,276 |  | 14,106
Revolving | 401 |  | 349
Total | 26,920 |  | 24,673
Commercial real estate - owner occupied | Doubtful |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 0 |  | 0
One year prior to current fiscal year | 0 |  | 0
Two years prior to current fiscal year | 0 |  | 0
Three years prior to current fiscal year | 0 |  | 0
Four years prior to current fiscal year | 0 |  | 0
Prior | 0 |  | 0
Revolving | 0 |  | 0
Total | 0 |  | 0
Commercial real estate - non-owner occupied |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 63,479 |  | 495,388
One year prior to current fiscal year | 493,204 |  | 236,306
Two years prior to current fiscal year | 215,272 |  | 835,974
Three years prior to current fiscal year | 875,752 |  | 593,845
Four years prior to current fiscal year | 588,774 |  | 259,479
Prior | 1,256,842 |  | 1,058,064
Revolving | 20,077 |  | 24,752
Total | 3,513,400 |  | 3,503,808
Current fiscal year, Charge Offs | 0 |  | 0
One year prior to current fiscal year, Charge Offs | 0 |  | 0
Two years prior to current fiscal year, Charge Offs | 0 |  | 0
Three years prior to current fiscal year, Charge Offs | 0 |  | 0
Four years prior to current fiscal year, Charge Offs | 0 |  | 89
Prior, Charge Offs | 320 |  | 1,396
Revolving, Charge Offs | 0 |  | 0
Total, Charge Offs | 320 | 84 | 1,485
Commercial real estate - non-owner occupied | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 63,479 |  | 495,361
One year prior to current fiscal year | 493,178 |  | 236,306
Two years prior to current fiscal year | 212,315 |  | 820,739
Three years prior to current fiscal year | 845,590 |  | 581,892
Four years prior to current fiscal year | 563,482 |  | 237,777
Prior | 1,203,624 |  | 1,012,209
Revolving | 20,077 |  | 24,752
Total | 3,401,745 |  | 3,409,036
Commercial real estate - non-owner occupied | Special Mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 0 |  | 27
One year prior to current fiscal year | 26 |  | 0
Two years prior to current fiscal year | 2,957 |  | 4,773
Three years prior to current fiscal year | 616 |  | 1,269
Four years prior to current fiscal year | 7,234 |  | 5,265
Prior | 18,214 |  | 25,245
Revolving | 0 |  | 0
Total | 29,047 |  | 36,579
Commercial real estate - non-owner occupied | Substandard |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 0 |  | 0
One year prior to current fiscal year | 0 |  | 0
Two years prior to current fiscal year | 0 |  | 10,462
Three years prior to current fiscal year | 29,546 |  | 10,684
Four years prior to current fiscal year | 17,847 |  | 16,437
Prior | 35,004 |  | 20,610
Revolving | 0 |  | 0
Total | 82,397 |  | 58,193
Commercial real estate - non-owner occupied | Doubtful |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 0 |  | 0
One year prior to current fiscal year | 0 |  | 0
Two years prior to current fiscal year | 0 |  | 0
Three years prior to current fiscal year | 0 |  | 0
Four years prior to current fiscal year | 211 |  | 0
Prior | 0 |  | 0
Revolving | 0 |  | 0
Total | 211 |  | 0
Residential real estate |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 48,840 |  | 130,871
One year prior to current fiscal year | 179,161 |  | 174,647
Two years prior to current fiscal year | 173,161 |  | 497,480
Three years prior to current fiscal year | 497,407 |  | 632,525
Four years prior to current fiscal year | 623,882 |  | 153,891
Prior | 588,733 |  | 497,361
Revolving | 541,828 |  | 530,010
Total | 2,653,012 |  | 2,616,785
Current fiscal year, Charge Offs | 0 |  | 0
One year prior to current fiscal year, Charge Offs | 0 |  | 0
Two years prior to current fiscal year, Charge Offs | 0 |  | 0
Three years prior to current fiscal year, Charge Offs | 0 |  | 0
Four years prior to current fiscal year, Charge Offs | 0 |  | 40
Prior, Charge Offs | 1 |  | 62
Revolving, Charge Offs | 0 |  | 32
Total, Charge Offs | 1 | 0 | 134
Residential real estate | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 48,840 |  | 130,178
One year prior to current fiscal year | 178,525 |  | 173,606
Two years prior to current fiscal year | 171,920 |  | 492,412
Three years prior to current fiscal year | 492,408 |  | 631,313
Four years prior to current fiscal year | 621,781 |  | 153,786
Prior | 584,241 |  | 490,156
Revolving | 533,777 |  | 517,136
Total | 2,631,492 |  | 2,588,587
Residential real estate | Special Mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 0 |  | 0
One year prior to current fiscal year | 0 |  | 22
Two years prior to current fiscal year | 17 |  | 0
Three years prior to current fiscal year | 0 |  | 0
Four years prior to current fiscal year | 704 |  | 0
Prior | 296 |  | 164
Revolving | 1,904 |  | 3,434
Total | 2,921 |  | 3,620
Residential real estate | Substandard |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 0 |  | 693
One year prior to current fiscal year | 636 |  | 1,019
Two years prior to current fiscal year | 1,224 |  | 5,068
Three years prior to current fiscal year | 4,999 |  | 1,212
Four years prior to current fiscal year | 1,397 |  | 105
Prior | 4,196 |  | 7,041
Revolving | 6,147 |  | 9,440
Total | 18,599 |  | 24,578
Residential real estate | Doubtful |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 0 |  | 0
One year prior to current fiscal year | 0 |  | 0
Two years prior to current fiscal year | 0 |  | 0
Three years prior to current fiscal year | 0 |  | 0
Four years prior to current fiscal year | 0 |  | 0
Prior | 0 |  | 0
Revolving | 0 |  | 0
Total | 0 |  | 0
Commercial and financial |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 161,208 |  | 373,569
One year prior to current fiscal year | 373,240 |  | 180,920
Two years prior to current fiscal year | 161,073 |  | 262,422
Three years prior to current fiscal year | 245,228 |  | 245,076
Four years prior to current fiscal year | 229,025 |  | 89,343
Prior | 189,324 |  | 129,784
Revolving | 393,992 |  | 370,240
Total | 1,753,090 |  | 1,651,354
Current fiscal year, Charge Offs | 0 |  | 0
One year prior to current fiscal year, Charge Offs | 0 |  | 0
Two years prior to current fiscal year, Charge Offs | 0 |  | 2,762
Three years prior to current fiscal year, Charge Offs | 153 |  | 10,669
Four years prior to current fiscal year, Charge Offs | 747 |  | 0
Prior, Charge Offs | 5,187 |  | 3,111
Revolving, Charge Offs | 382 |  | 1,074
Total, Charge Offs | 6,469 | 2,656 | 17,616
Commercial and financial | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 161,208 |  | 373,569
One year prior to current fiscal year | 373,240 |  | 180,423
Two years prior to current fiscal year | 160,168 |  | 253,120
Three years prior to current fiscal year | 237,004 |  | 232,427
Four years prior to current fiscal year | 213,537 |  | 82,964
Prior | 175,905 |  | 117,276
Revolving | 385,449 |  | 362,701
Total | 1,706,511 |  | 1,602,480
Commercial and financial | Special Mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 0 |  | 0
One year prior to current fiscal year | 0 |  | 382
Two years prior to current fiscal year | 797 |  | 755
Three years prior to current fiscal year | 952 |  | 2,839
Four years prior to current fiscal year | 7,257 |  | 232
Prior | 1,867 |  | 1,904
Revolving | 4,268 |  | 2,163
Total | 15,141 |  | 8,275
Commercial and financial | Substandard |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 0 |  | 0
One year prior to current fiscal year | 0 |  | 115
Two years prior to current fiscal year | 108 |  | 8,547
Three years prior to current fiscal year | 7,272 |  | 9,810
Four years prior to current fiscal year | 8,231 |  | 6,147
Prior | 11,552 |  | 10,604
Revolving | 3,377 |  | 5,376
Total | 30,540 |  | 40,599
Commercial and financial | Doubtful |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 0 |  | 0
One year prior to current fiscal year | 0 |  | 0
Two years prior to current fiscal year | 0 |  | 0
Three years prior to current fiscal year | 0 |  | 0
Four years prior to current fiscal year | 0 |  | 0
Prior | 0 |  | 0
Revolving | 898 |  | 0
Total | 898 |  | 0
Consumer |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 3,798 |  | 14,702
One year prior to current fiscal year | 15,242 |  | 14,079
Two years prior to current fiscal year | 12,457 |  | 31,286
Three years prior to current fiscal year | 27,990 |  | 20,761
Four years prior to current fiscal year | 18,710 |  | 14,117
Prior | 40,852 |  | 30,759
Revolving | 72,398 |  | 67,617
Total | 191,447 |  | 193,321
Current fiscal year, Charge Offs | 165 |  | 789
One year prior to current fiscal year, Charge Offs | 61 |  | 457
Two years prior to current fiscal year, Charge Offs | 7 |  | 5,471
Three years prior to current fiscal year, Charge Offs | 1,160 |  | 4,828
Four years prior to current fiscal year, Charge Offs | 43 |  | 255
Prior, Charge Offs | 28 |  | 221
Revolving, Charge Offs | 23 |  | 267
Total, Charge Offs | 1,487 | $ 1,888 | 12,288
Consumer | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 3,798 |  | 14,627
One year prior to current fiscal year | 15,217 |  | 14,049
Two years prior to current fiscal year | 12,444 |  | 26,332
Three years prior to current fiscal year | 24,567 |  | 20,721
Four years prior to current fiscal year | 18,705 |  | 11,682
Prior | 40,239 |  | 30,022
Revolving | 72,330 |  | 67,562
Total | 187,300 |  | 184,995
Consumer | Special Mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 0 |  | 0
One year prior to current fiscal year |  |  | 5
Two years prior to current fiscal year | 0 |  | 1
Three years prior to current fiscal year | 0 |  | 0
Four years prior to current fiscal year | 0 |  | 0
Prior | 0 |  | 0
Revolving | 48 |  | 54
Total | 48 |  | 60
Consumer | Substandard |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 0 |  | 75
One year prior to current fiscal year | 25 |  | 25
Two years prior to current fiscal year | 13 |  | 4,953
Three years prior to current fiscal year | 3,423 |  | 40
Four years prior to current fiscal year | 5 |  | 2,435
Prior | 613 |  | 737
Revolving | 20 |  | 1
Total | 4,099 |  | 8,266
Consumer | Doubtful |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Current fiscal year | 0 |  | 0
One year prior to current fiscal year | 0 |  | 0
Two years prior to current fiscal year | 0 |  | 0
Three years prior to current fiscal year | 0 |  | 0
Four years prior to current fiscal year | 0 |  | 0
Prior | 0 |  | 0
Revolving | 0 |  | 0
Total | $ 0 |  | $ 0

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