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Loans and Allowance for Credit Losses - Credit Risk Profile of Loan Portfolio Based on Risk Rating Category and Payment Activity (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Credit Quality Information [Abstract] |  |
Current fiscal year | $ 792,071 | $ 1,535,342
Fiscal year before current fiscal year | 1,402,051 | 973,016
Two years before current fiscal year | 994,108 | 669,475
Three years before current fiscal year | 619,354 | 387,967
Four years before current fiscal year | 381,174 | 354,435
Prior | 1,315,596 | 862,255
Revolving Loans | 76,211 | 43,722
Current period gross writeoffs, current fiscal year | 10 |
Current period gross writeoffs, fiscal year before current fiscal year | 761 |
Current period gross writeoffs, two year before current fiscal year | 208 |
Current period gross writeoffs, three year before current fiscal year | 51 |
Current period gross writeoffs, four year before current fiscal year | 93 |
Current period gross writeoffs, prior | 1,508 |
Current period gross writeoffs, revolving loans | 0 |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 5,580,565 | 4,826,212
Current period gross writeoffs, total loans receivables | 2,631 |
Pass |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 786,908 | 1,524,905
Fiscal year before current fiscal year | 1,390,885 | 969,145
Two years before current fiscal year | 976,531 | 656,609
Three years before current fiscal year | 616,020 | 382,543
Four years before current fiscal year | 376,655 | 335,886
Prior | 1,254,871 | 832,814
Revolving Loans | 75,700 | 43,722
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 5,477,570 | 4,745,624
Special Mention |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 4,925 | 5,126
Fiscal year before current fiscal year | 5,566 | 2,163
Two years before current fiscal year | 15,110 | 11,356
Three years before current fiscal year | 2,721 | 4,118
Four years before current fiscal year | 3,368 | 8,814
Prior | 42,350 | 12,891
Revolving Loans | 10 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 74,050 | 44,468
Substandard |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 238 | 5,311
Fiscal year before current fiscal year | 5,600 | 1,708
Two years before current fiscal year | 2,467 | 1,510
Three years before current fiscal year | 613 | 1,306
Four years before current fiscal year | 1,151 | 9,735
Prior | 18,375 | 16,550
Revolving Loans | 501 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 28,945 | 36,120
Doubtful |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 0 |
Fiscal year before current fiscal year | 0 |
Two years before current fiscal year | 0 |
Three years before current fiscal year | 0 |
Four years before current fiscal year | 0 |
Prior | 0 |
Revolving Loans | 0 |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 0 |
Agricultural Loans |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 147,999 | 138,558
Fiscal year before current fiscal year | 27,905 | 18,783
Two years before current fiscal year | 10,044 | 3,433
Three years before current fiscal year | 2,549 | 4,720
Four years before current fiscal year | 1,921 | 981
Prior | 5,854 | 363
Revolving Loans | 0 | 0
Current period gross writeoffs, current fiscal year | 0 |
Current period gross writeoffs, fiscal year before current fiscal year | 276 |
Current period gross writeoffs, two year before current fiscal year | 0 |
Current period gross writeoffs, three year before current fiscal year | 0 |
Current period gross writeoffs, four year before current fiscal year | 0 |
Current period gross writeoffs, prior | 132 |
Current period gross writeoffs, revolving loans | 0 |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 196,272 | 166,838
Current period gross writeoffs, total loans receivables | 408 |
Agricultural Loans | Pass |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 147,993 | 137,327
Fiscal year before current fiscal year | 27,895 | 18,783
Two years before current fiscal year | 10,044 | 3,433
Three years before current fiscal year | 2,549 | 3,918
Four years before current fiscal year | 1,883 | 915
Prior | 5,854 | 254
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 196,218 | 164,630
Agricultural Loans | Special Mention |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 6 | 1,178
Fiscal year before current fiscal year | 10 | 0
Two years before current fiscal year | 0 | 0
Three years before current fiscal year | 0 | 756
Four years before current fiscal year | 38 | 66
Prior | 0 | 109
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 54 | 2,109
Agricultural Loans | Substandard |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 0 | 53
Fiscal year before current fiscal year | 0 | 0
Two years before current fiscal year | 0 | 0
Three years before current fiscal year | 0 | 46
Four years before current fiscal year | 0 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 0 | 99
Commercial Industrial And Other Portfolio Segment |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 291,351 | 450,816
Fiscal year before current fiscal year | 309,188 | 227,096
Two years before current fiscal year | 242,971 | 182,487
Three years before current fiscal year | 155,119 | 64,511
Four years before current fiscal year | 74,532 | 69,366
Prior | 377,607 | 248,195
Revolving Loans | 0 | 0
Current period gross writeoffs, current fiscal year | 0 |
Current period gross writeoffs, fiscal year before current fiscal year | 353 |
Current period gross writeoffs, two year before current fiscal year | 0 |
Current period gross writeoffs, three year before current fiscal year | 49 |
Current period gross writeoffs, four year before current fiscal year | 20 |
Current period gross writeoffs, prior | 107 |
Current period gross writeoffs, revolving loans | 0 |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 1,450,768 | 1,242,471
Current period gross writeoffs, total loans receivables | 529 |
Commercial Industrial And Other Portfolio Segment | Pass |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 290,304 | 450,001
Fiscal year before current fiscal year | 306,794 | 226,038
Two years before current fiscal year | 232,198 | 172,208
Three years before current fiscal year | 154,499 | 63,906
Four years before current fiscal year | 73,906 | 61,929
Prior | 347,957 | 247,404
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 1,405,658 | 1,221,486
Commercial Industrial And Other Portfolio Segment | Special Mention |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 1,047 | 469
Fiscal year before current fiscal year | 1,857 | 640
Two years before current fiscal year | 9,982 | 10,095
Three years before current fiscal year | 562 | 570
Four years before current fiscal year | 597 | 7,280
Prior | 28,900 | 158
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 42,945 | 19,212
Commercial Industrial And Other Portfolio Segment | Substandard |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 0 | 346
Fiscal year before current fiscal year | 537 | 418
Two years before current fiscal year | 791 | 184
Three years before current fiscal year | 58 | 35
Four years before current fiscal year | 29 | 157
Prior | 750 | 633
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 2,165 | 1,773
Commercial Industrial And Other Portfolio Segment | Doubtful |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 0 |
Fiscal year before current fiscal year | 0 |
Two years before current fiscal year | 0 |
Three years before current fiscal year | 0 |
Four years before current fiscal year | 0 |
Prior | 0 |
Revolving Loans | 0 |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 0 |
Consumer Loans |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 9,633 | 48,669
Fiscal year before current fiscal year | 40,656 | 21,352
Two years before current fiscal year | 21,589 | 12,105
Three years before current fiscal year | 10,526 | 8,011
Four years before current fiscal year | 4,534 | 2,002
Prior | 4,076 | 5,636
Revolving Loans | 0 | 0
Current period gross writeoffs, current fiscal year | 0 |
Current period gross writeoffs, fiscal year before current fiscal year | 132 |
Current period gross writeoffs, two year before current fiscal year | 208 |
Current period gross writeoffs, three year before current fiscal year | 2 |
Current period gross writeoffs, four year before current fiscal year | 20 |
Current period gross writeoffs, prior | 1,206 |
Current period gross writeoffs, revolving loans | 0 |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 91,014 | 97,775
Current period gross writeoffs, total loans receivables | 1,568 |
Consumer Loans | Pass |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 9,547 | 48,600
Fiscal year before current fiscal year | 40,225 | 21,088
Two years before current fiscal year | 21,264 | 12,101
Three years before current fiscal year | 10,387 | 7,968
Four years before current fiscal year | 4,475 | 1,945
Prior | 4,035 | 5,630
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 89,933 | 97,332
Consumer Loans | Special Mention |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 26 | 18
Two years before current fiscal year | 0 | 1
Three years before current fiscal year | 0 | 0
Four years before current fiscal year | 0 | 5
Prior | 0 | 0
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 26 | 24
Consumer Loans | Substandard |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 86 | 69
Fiscal year before current fiscal year | 405 | 246
Two years before current fiscal year | 325 | 3
Three years before current fiscal year | 139 | 43
Four years before current fiscal year | 59 | 52
Prior | 41 | 6
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 1,055 | 419
Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 3,842,511 | 3,319,128
Real Estate Loan | Construction and Land Development |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 68,086 | 63,846
Fiscal year before current fiscal year | 74,065 | 39,790
Two years before current fiscal year | 27,392 | 12,558
Three years before current fiscal year | 5,188 | 15,801
Four years before current fiscal year | 10,795 | 1,210
Prior | 19,551 | 11,059
Revolving Loans | 0 | 0
Current period gross writeoffs, current fiscal year | 0 |
Current period gross writeoffs, fiscal year before current fiscal year | 0 |
Current period gross writeoffs, two year before current fiscal year | 0 |
Current period gross writeoffs, three year before current fiscal year | 0 |
Current period gross writeoffs, four year before current fiscal year | 14 |
Current period gross writeoffs, prior | 0 |
Current period gross writeoffs, revolving loans | 0 |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 205,077 | 144,264
Current period gross writeoffs, total loans receivables | 14 |
Real Estate Loan | Construction and Land Development | Pass |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 68,086 | 63,846
Fiscal year before current fiscal year | 74,065 | 39,790
Two years before current fiscal year | 27,392 | 12,558
Three years before current fiscal year | 5,188 | 15,787
Four years before current fiscal year | 10,795 | 1,210
Prior | 19,115 | 10,601
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 204,641 | 143,792
Real Estate Loan | Construction and Land Development | Special Mention |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 0
Two years before current fiscal year | 0 | 0
Three years before current fiscal year | 0 | 0
Four years before current fiscal year | 0 | 0
Prior | 0 | 0
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 0 | 0
Real Estate Loan | Construction and Land Development | Substandard |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 0
Two years before current fiscal year | 0 | 0
Three years before current fiscal year | 0 | 14
Four years before current fiscal year | 0 | 0
Prior | 436 | 458
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 436 | 472
Real Estate Loan | Agricultural |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 19,437 | 172,956
Fiscal year before current fiscal year | 164,812 | 67,115
Two years before current fiscal year | 58,813 | 58,773
Three years before current fiscal year | 53,249 | 25,060
Four years before current fiscal year | 20,589 | 29,229
Prior | 74,232 | 57,194
Revolving Loans | 0 | 0
Current period gross writeoffs, current fiscal year | 0 |
Current period gross writeoffs, fiscal year before current fiscal year | 0 |
Current period gross writeoffs, two year before current fiscal year | 0 |
Current period gross writeoffs, three year before current fiscal year | 0 |
Current period gross writeoffs, four year before current fiscal year | 0 |
Current period gross writeoffs, prior | 0 |
Current period gross writeoffs, revolving loans | 0 |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 391,132 | 410,327
Current period gross writeoffs, total loans receivables | 0 |
Real Estate Loan | Agricultural | Pass |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 19,231 | 171,833
Fiscal year before current fiscal year | 164,812 | 67,115
Two years before current fiscal year | 57,815 | 58,283
Three years before current fiscal year | 53,249 | 23,820
Four years before current fiscal year | 19,419 | 27,573
Prior | 71,189 | 52,799
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 385,715 | 401,423
Real Estate Loan | Agricultural | Special Mention |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 206 | 1,123
Fiscal year before current fiscal year | 0 | 0
Two years before current fiscal year | 627 | 490
Three years before current fiscal year | 0 | 1,240
Four years before current fiscal year | 1,170 | 273
Prior | 1,868 | 3,121
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 3,871 | 6,247
Real Estate Loan | Agricultural | Substandard |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 0
Two years before current fiscal year | 371 | 0
Three years before current fiscal year | 0 | 0
Four years before current fiscal year | 0 | 1,383
Prior | 1,175 | 1,274
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 1,546 | 2,657
Real Estate Loan | Commercial And Multifamily Portfolio Segment |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 189,294 | 564,891
Fiscal year before current fiscal year | 686,704 | 511,379
Two years before current fiscal year | 550,570 | 320,612
Three years before current fiscal year | 319,254 | 241,945
Four years before current fiscal year | 241,661 | 217,851
Prior | 716,350 | 467,679
Revolving Loans | 0 | 0
Current period gross writeoffs, current fiscal year | 0 |
Current period gross writeoffs, fiscal year before current fiscal year | 0 |
Current period gross writeoffs, two year before current fiscal year | 0 |
Current period gross writeoffs, three year before current fiscal year | 0 |
Current period gross writeoffs, four year before current fiscal year | 25 |
Current period gross writeoffs, prior | 0 |
Current period gross writeoffs, revolving loans | 0 |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 2,703,833 | 2,324,357
Current period gross writeoffs, total loans receivables | 25 |
Real Estate Loan | Commercial And Multifamily Portfolio Segment | Pass |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 185,628 | 558,921
Fiscal year before current fiscal year | 680,099 | 509,614
Two years before current fiscal year | 548,733 | 319,049
Three years before current fiscal year | 317,075 | 239,564
Four years before current fiscal year | 239,323 | 211,505
Prior | 701,464 | 453,076
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 2,672,322 | 2,291,729
Real Estate Loan | Commercial And Multifamily Portfolio Segment | Special Mention |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 3,666 | 2,187
Fiscal year before current fiscal year | 2,706 | 1,287
Two years before current fiscal year | 1,317 | 769
Three years before current fiscal year | 2,159 | 1,508
Four years before current fiscal year | 1,563 | 952
Prior | 7,778 | 8,503
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 19,189 | 15,206
Real Estate Loan | Commercial And Multifamily Portfolio Segment | Substandard |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 0 | 3,783
Fiscal year before current fiscal year | 3,899 | 478
Two years before current fiscal year | 520 | 794
Three years before current fiscal year | 20 | 873
Four years before current fiscal year | 775 | 5,394
Prior | 7,108 | 6,100
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 12,322 | 17,422
1-4 Family | Real Estate Loan |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 66,271 | 95,606
Fiscal year before current fiscal year | 98,721 | 87,501
Two years before current fiscal year | 82,729 | 79,507
Three years before current fiscal year | 73,469 | 27,919
Four years before current fiscal year | 27,142 | 33,796
Prior | 117,926 | 72,129
Revolving Loans | 76,211 | 43,722
Current period gross writeoffs, current fiscal year | 10 |
Current period gross writeoffs, fiscal year before current fiscal year | 0 |
Current period gross writeoffs, two year before current fiscal year | 0 |
Current period gross writeoffs, three year before current fiscal year | 0 |
Current period gross writeoffs, four year before current fiscal year | 14 |
Current period gross writeoffs, prior | 63 |
Current period gross writeoffs, revolving loans | 0 |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 542,469 | 440,180
Current period gross writeoffs, total loans receivables | 87 |
1-4 Family | Real Estate Loan | Pass |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 66,119 | 94,377
Fiscal year before current fiscal year | 96,995 | 86,717
Two years before current fiscal year | 79,085 | 78,977
Three years before current fiscal year | 73,073 | 27,580
Four years before current fiscal year | 26,854 | 30,809
Prior | 105,257 | 63,050
Revolving Loans | 75,700 | 43,722
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 523,083 | 425,232
1-4 Family | Real Estate Loan | Special Mention |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 0 | 169
Fiscal year before current fiscal year | 967 | 218
Two years before current fiscal year | 3,184 | 1
Three years before current fiscal year | 0 | 44
Four years before current fiscal year | 0 | 238
Prior | 3,804 | 1,000
Revolving Loans | 10 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 7,965 | 1,670
1-4 Family | Real Estate Loan | Substandard |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 152 | 1,060
Fiscal year before current fiscal year | 759 | 566
Two years before current fiscal year | 460 | 529
Three years before current fiscal year | 396 | 295
Four years before current fiscal year | 288 | 2,749
Prior | 8,865 | 8,079
Revolving Loans | 501 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | $ 11,421 | $ 13,278

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