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Loans - Loans by Credit Quality Indicator (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Charge-offs | $ 6,683 | $ 2,293 |
Real estate | Commercial real estate |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Year one | 54,655 |  | $ 334,613
Year two | 339,796 |  | 889,519
Year three | 882,616 |  | 473,772
Year four | 474,952 |  | 255,465
Year five | 240,068 |  | 204,945
Prior | 353,245 |  | 206,427
Revolving Loans Amortized Cost Basis | 75,456 |  | 77,993
Total | 2,420,788 |  | 2,442,734
Year one | 0 |  | 0
Year two | 11 |  | 0
Year three | 193 |  | 0
Year four | 0 |  | 0
Year five | 251 |  | 0
Prior | 0 |  | 42
Revolving Loans Amortized Cost Basis | 0 |  | 0
Charge-offs | 455 | 42 | 42
Real estate | Commercial real estate | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Year one | 53,920 |  | 333,887
Year two | 339,064 |  | 885,234
Year three | 879,163 |  | 470,252
Year four | 471,291 |  | 253,700
Year five | 238,129 |  | 204,421
Prior | 342,477 |  | 188,532
Revolving Loans Amortized Cost Basis | 75,186 |  | 77,993
Total | 2,399,230 |  | 2,414,019
Real estate | Commercial real estate | Special mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Year one | 0 |  | 0
Year two | 0 |  | 0
Year three | 0 |  | 308
Year four | 0 |  | 0
Year five | 0 |  | 0
Prior | 7,902 |  | 7,950
Revolving Loans Amortized Cost Basis | 0 |  | 0
Total | 7,902 |  | 8,258
Real estate | Commercial real estate | Classified |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Year one | 735 |  | 726
Year two | 732 |  | 4,285
Year three | 3,453 |  | 3,212
Year four | 3,661 |  | 1,765
Year five | 1,939 |  | 524
Prior | 2,866 |  | 9,945
Revolving Loans Amortized Cost Basis | 270 |  | 0
Total | 13,656 |  | 20,457
Real estate | Construction/land/land development |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Year one | 34,065 |  | 260,439
Year two | 310,045 |  | 474,967
Year three | 496,211 |  | 234,378
Year four | 232,004 |  | 21,549
Year five | 20,887 |  | 7,883
Prior | 29,925 |  | 26,020
Revolving Loans Amortized Cost Basis | 45,460 |  | 44,989
Total | 1,168,597 |  | 1,070,225
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 | 0 |  | 0
Charge-offs | 0 | 0 | 0
Real estate | Construction/land/land development | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Year one | 33,939 |  | 259,502
Year two | 309,113 |  | 461,373
Year three | 485,551 |  | 214,526
Year four | 212,239 |  | 21,309
Year five | 20,392 |  | 7,221
Prior | 28,738 |  | 25,460
Revolving Loans Amortized Cost Basis | 45,460 |  | 42,700
Total | 1,135,432 |  | 1,032,091
Real estate | Construction/land/land development | Special mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Year one | 0 |  | 746
Year two | 746 |  | 10,462
Year three | 10,432 |  | 19,811
Year four | 19,646 |  | 0
Year five | 263 |  | 0
Prior | 0 |  | 0
Revolving Loans Amortized Cost Basis | 0 |  | 0
Total | 31,087 |  | 31,019
Real estate | Construction/land/land development | Classified |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Year one | 126 |  | 191
Year two | 186 |  | 3,132
Year three | 228 |  | 41
Year four | 119 |  | 240
Year five | 232 |  | 662
Prior | 1,187 |  | 560
Revolving Loans Amortized Cost Basis | 0 |  | 2,289
Total | 2,078 |  | 7,115
Real estate | Residential real estate |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Year one | 28,239 |  | 333,813
Year two | 329,365 |  | 551,489
Year three | 536,359 |  | 290,728
Year four | 288,201 |  | 238,361
Year five | 235,150 |  | 80,866
Prior | 224,115 |  | 147,214
Revolving Loans Amortized Cost Basis | 91,868 |  | 92,464
Total | 1,733,297 |  | 1,734,935
Year one | 0 |  | 0
Year two | 0 |  | 0
Year three | 0 |  | 0
Year four | 0 |  | 5
Year five | 0 |  | 0
Prior | 0 |  | 22
Revolving Loans Amortized Cost Basis | 0 |  | 0
Charge-offs | 0 | 0 | 27
Real estate | Residential real estate | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Year one | 27,372 |  | 332,874
Year two | 327,421 |  | 549,504
Year three | 533,926 |  | 289,289
Year four | 285,239 |  | 237,813
Year five | 233,821 |  | 79,499
Prior | 218,562 |  | 142,265
Revolving Loans Amortized Cost Basis | 91,462 |  | 91,972
Total | 1,717,803 |  | 1,723,216
Real estate | Residential real estate | Special mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Year one | 0 |  | 250
Year two | 0 |  | 0
Year three | 0 |  | 0
Year four | 0 |  | 141
Year five | 136 |  | 0
Prior | 0 |  | 0
Revolving Loans Amortized Cost Basis | 0 |  | 0
Total | 136 |  | 391
Real estate | Residential real estate | Classified |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Year one | 867 |  | 689
Year two | 1,944 |  | 1,985
Year three | 2,433 |  | 1,439
Year four | 2,962 |  | 407
Year five | 1,193 |  | 1,367
Prior | 5,553 |  | 4,949
Revolving Loans Amortized Cost Basis | 406 |  | 492
Total | 15,358 |  | 11,328
Commercial and Industrial |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Year one | 130,114 |  | 403,566
Year two | 373,422 |  | 280,211
Year three | 244,932 |  | 173,544
Year four | 151,789 |  | 37,366
Year five | 32,164 |  | 58,032
Prior | 75,475 |  | 48,745
Revolving Loans Amortized Cost Basis | 1,146,255 |  | 1,057,996
Total | 2,154,151 |  | 2,059,460
Year one | 0 |  | 203
Year two | 536 |  | 328
Year three | 316 |  | 233
Year four | 79 |  | 141
Year five | 162 |  | 539
Prior | 154 |  | 679
Revolving Loans Amortized Cost Basis | 4,934 |  | 9,710
Charge-offs | 6,181 | 2,169 | 11,833
Commercial and Industrial | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Year one | 128,195 |  | 399,485
Year two | 370,024 |  | 272,152
Year three | 237,053 |  | 160,636
Year four | 142,170 |  | 36,995
Year five | 31,382 |  | 57,562
Prior | 74,763 |  | 48,523
Revolving Loans Amortized Cost Basis | 1,110,563 |  | 1,035,021
Total | 2,094,150 |  | 2,010,374
Commercial and Industrial | Special mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Year one | 0 |  | 498
Year two | 477 |  | 6,383
Year three | 6,052 |  | 0
Year four | 0 |  | 0
Year five | 0 |  | 0
Prior | 0 |  | 0
Revolving Loans Amortized Cost Basis | 451 |  | 650
Total | 6,980 |  | 7,531
Commercial and Industrial | Classified |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Year one | 1,919 |  | 3,583
Year two | 2,921 |  | 1,676
Year three | 1,827 |  | 12,908
Year four | 9,619 |  | 371
Year five | 782 |  | 470
Prior | 712 |  | 222
Revolving Loans Amortized Cost Basis | 35,241 |  | 22,325
Total | 53,021 |  | 41,555
Mortgage warehouse lines of credit |  |  |
Financing Receivable, Credit Quality Indicator [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 | 400,995 |  | 0
Total | 400,995 |  | 0
Year one | 0 |  |
Year two | 0 |  |
Year three | 0 |  |
Year four | 0 |  |
Year five | 0 |  |
Prior | 0 |  |
Revolving Loans Amortized Cost Basis | 0 |  |
Charge-offs | 0 | 0 |
Mortgage warehouse lines of credit | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Year one |  |  | 0
Year two |  |  | 0
Year three |  |  | 0
Year four |  |  | 0
Year five |  |  | 0
Prior |  |  | 0
Revolving Loans Amortized Cost Basis |  |  | 329,966
Total |  |  | 329,966
Consumer |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Year one | 2,424 |  | 11,088
Year two | 8,610 |  | 3,609
Year three | 2,834 |  | 1,050
Year four | 838 |  | 399
Year five | 309 |  | 472
Prior | 416 |  | 17
Revolving Loans Amortized Cost Basis | 6,768 |  | 6,989
Total | 22,199 |  | 23,624
Year one | 0 |  | 3
Year two | 0 |  | 102
Year three | 10 |  | 7
Year four | 3 |  | 0
Year five | 0 |  | 0
Prior | 0 |  | 2
Revolving Loans Amortized Cost Basis | 34 |  | 33
Charge-offs | 47 | $ 82 | 147
Consumer | Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Year one | 2,424 |  | 11,053
Year two | 8,578 |  | 3,567
Year three | 2,783 |  | 1,040
Year four | 830 |  | 399
Year five | 309 |  | 470
Prior | 416 |  | 17
Revolving Loans Amortized Cost Basis | 6,755 |  | 6,988
Total | 22,095 |  | 23,534
Consumer | Classified |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Year one | 0 |  | 35
Year two | 32 |  | 42
Year three | 51 |  | 10
Year four | 8 |  | 0
Year five | 0 |  | 2
Prior | 0 |  | 0
Revolving Loans Amortized Cost Basis | 13 |  | 1
Total | $ 104 |  | $ 90

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