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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, 2024 | Dec. 31, 2023
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Credit Quality Information [Abstract] |  |
Current fiscal year | $ 862,051 | $ 792,071
Fiscal year before current fiscal year | 653,404 | 1,402,051
Two years before current fiscal year | 1,261,147 | 994,108
Three years before current fiscal year | 891,374 | 619,354
Four years before current fiscal year | 546,507 | 381,174
Prior | 1,377,588 | 1,315,596
Revolving Loans | 80,391 | 76,211
Current period gross writeoffs, current fiscal year | 108 | 10
Current period gross writeoffs, fiscal year before current fiscal year | 2,369 | 761
Current period gross writeoffs, two year before current fiscal year | 625 | 208
Current period gross writeoffs, three year before current fiscal year | 602 | 51
Current period gross writeoffs, four year before current fiscal year | 69 | 93
Current period gross writeoffs, prior | 1,975 | 1,508
Current period gross writeoffs, revolving loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 5,672,462 | 5,580,565
Current period gross writeoffs, total loans receivables | 5,748 | 2,631
Pass |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 859,452 | 786,908
Fiscal year before current fiscal year | 626,738 | 1,390,885
Two years before current fiscal year | 1,245,490 | 976,531
Three years before current fiscal year | 885,295 | 616,020
Four years before current fiscal year | 542,310 | 376,655
Prior | 1,340,099 | 1,254,871
Revolving Loans | 79,714 | 75,700
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 5,579,098 | 5,477,570
Special Mention |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 1,505 | 4,925
Fiscal year before current fiscal year | 17,281 | 5,566
Two years before current fiscal year | 6,668 | 15,110
Three years before current fiscal year | 4,213 | 2,721
Four years before current fiscal year | 3,488 | 3,368
Prior | 24,634 | 42,350
Revolving Loans | 59 | 10
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 57,848 | 74,050
Substandard |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 1,094 | 238
Fiscal year before current fiscal year | 9,385 | 5,600
Two years before current fiscal year | 8,989 | 2,467
Three years before current fiscal year | 1,866 | 613
Four years before current fiscal year | 709 | 1,151
Prior | 12,855 | 18,375
Revolving Loans | 618 | 501
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 35,516 | 28,945
Agricultural Loans |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 176,862 | 147,999
Fiscal year before current fiscal year | 33,324 | 27,905
Two years before current fiscal year | 16,332 | 10,044
Three years before current fiscal year | 9,262 | 2,549
Four years before current fiscal year | 1,585 | 1,921
Prior | 2,306 | 5,854
Revolving Loans | 0 | 0
Current period gross writeoffs, current fiscal year | 0 | 0
Current period gross writeoffs, fiscal year before current fiscal year | 2,213 | 276
Current period gross writeoffs, two year before current fiscal year | 100 | 0
Current period gross writeoffs, three year before current fiscal year | 52 | 0
Current period gross writeoffs, four year before current fiscal year | 0 | 0
Current period gross writeoffs, prior | 45 | 132
Current period gross writeoffs, revolving loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 239,671 | 196,272
Current period gross writeoffs, total loans receivables | 2,410 | 408
Agricultural Loans | Pass |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 175,402 | 147,993
Fiscal year before current fiscal year | 24,024 | 27,895
Two years before current fiscal year | 13,147 | 10,044
Three years before current fiscal year | 9,162 | 2,549
Four years before current fiscal year | 1,585 | 1,883
Prior | 2,306 | 5,854
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 225,626 | 196,218
Agricultural Loans | Special Mention |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 617 | 6
Fiscal year before current fiscal year | 2,208 | 10
Two years before current fiscal year | 976 | 0
Three years before current fiscal year | 100 | 0
Four years before current fiscal year | 0 | 38
Prior | 0 | 0
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 3,901 | 54
Agricultural Loans | Substandard |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 843 | 0
Fiscal year before current fiscal year | 7,092 | 0
Two years before current fiscal year | 2,209 | 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 | 10,144 | 0
Commercial Industrial And Other Portfolio Segment |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 307,904 | 291,351
Fiscal year before current fiscal year | 230,970 | 309,188
Two years before current fiscal year | 280,911 | 242,971
Three years before current fiscal year | 184,236 | 155,119
Four years before current fiscal year | 132,123 | 74,532
Prior | 369,008 | 377,607
Revolving Loans | 0 | 0
Current period gross writeoffs, current fiscal year | 10 |
Current period gross writeoffs, fiscal year before current fiscal year | 47 |
Current period gross writeoffs, two year before current fiscal year | 207 |
Current period gross writeoffs, three year before current fiscal year | 378 |
Current period gross writeoffs, four year before current fiscal year | 10 |
Current period gross writeoffs, prior | 36 |
Current period gross writeoffs, revolving loans | 0 |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 1,505,152 | 1,450,768
Current period gross writeoffs, total loans receivables | 688 |
Commercial Industrial And Other Portfolio Segment | Pass |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 307,785 | 290,304
Fiscal year before current fiscal year | 228,411 | 306,794
Two years before current fiscal year | 278,845 | 232,198
Three years before current fiscal year | 183,042 | 154,499
Four years before current fiscal year | 131,005 | 73,906
Prior | 360,610 | 347,957
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 1,489,698 | 1,405,658
Commercial Industrial And Other Portfolio Segment | Special Mention |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 54 | 1,047
Fiscal year before current fiscal year | 1,149 | 1,857
Two years before current fiscal year | 1,277 | 9,982
Three years before current fiscal year | 748 | 562
Four years before current fiscal year | 1,020 | 597
Prior | 7,583 | 28,900
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 11,831 | 42,945
Commercial Industrial And Other Portfolio Segment | Substandard |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 65 | 0
Fiscal year before current fiscal year | 1,410 | 537
Two years before current fiscal year | 789 | 791
Three years before current fiscal year | 446 | 58
Four years before current fiscal year | 98 | 29
Prior | 815 | 750
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 3,623 | 2,165
Consumer Loans |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 5,110 | 9,633
Fiscal year before current fiscal year | 5,159 | 40,656
Two years before current fiscal year | 24,703 | 21,589
Three years before current fiscal year | 12,026 | 10,526
Four years before current fiscal year | 4,548 | 4,534
Prior | 2,414 | 4,076
Revolving Loans | 0 | 0
Current period gross writeoffs, current fiscal year | 98 | 0
Current period gross writeoffs, fiscal year before current fiscal year | 63 | 132
Current period gross writeoffs, two year before current fiscal year | 154 | 208
Current period gross writeoffs, three year before current fiscal year | 139 | 2
Current period gross writeoffs, four year before current fiscal year | 59 | 20
Current period gross writeoffs, prior | 1,491 | 1,206
Current period gross writeoffs, revolving loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 53,960 | 91,014
Current period gross writeoffs, total loans receivables | 2,004 | 1,568
Consumer Loans | Pass |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 5,098 | 9,547
Fiscal year before current fiscal year | 5,138 | 40,225
Two years before current fiscal year | 24,430 | 21,264
Three years before current fiscal year | 11,810 | 10,387
Four years before current fiscal year | 4,494 | 4,475
Prior | 2,385 | 4,035
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 53,355 | 89,933
Consumer Loans | Special Mention |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 26
Two years before current fiscal year | 14 | 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 | 14 | 26
Consumer Loans | Substandard |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 12 | 86
Fiscal year before current fiscal year | 21 | 405
Two years before current fiscal year | 259 | 325
Three years before current fiscal year | 216 | 139
Four years before current fiscal year | 54 | 59
Prior | 29 | 41
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 591 | 1,055
Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 3,873,679 | 3,842,511
Real Estate Loan | Construction and Land Development |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 82,696 | 68,086
Fiscal year before current fiscal year | 101,715 | 74,065
Two years before current fiscal year | 14,396 | 27,392
Three years before current fiscal year | 15,817 | 5,188
Four years before current fiscal year | 4,735 | 10,795
Prior | 16,734 | 19,551
Revolving Loans | 0 | 0
Current period gross writeoffs, current fiscal year | 0 | 0
Current period gross writeoffs, fiscal year before current fiscal year | 0 | 0
Current period gross writeoffs, two year before current fiscal year | 0 | 0
Current period gross writeoffs, three year before current fiscal year | 0 | 0
Current period gross writeoffs, four year before current fiscal year | 0 | 14
Current period gross writeoffs, prior | 0 | 0
Current period gross writeoffs, revolving loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 236,093 | 205,077
Current period gross writeoffs, total loans receivables | 0 | 14
Real Estate Loan | Construction and Land Development | Pass |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 82,696 | 68,086
Fiscal year before current fiscal year | 101,715 | 74,065
Two years before current fiscal year | 14,390 | 27,392
Three years before current fiscal year | 15,817 | 5,188
Four years before current fiscal year | 4,735 | 10,795
Prior | 16,342 | 19,115
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 235,695 | 204,641
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 | 382 | 0
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 382 | 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 | 6 | 0
Three years before current fiscal year | 0 | 0
Four years before current fiscal year | 0 | 0
Prior | 10 | 436
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 16 | 436
Real Estate Loan | Agricultural |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 25,824 | 19,437
Fiscal year before current fiscal year | 17,625 | 164,812
Two years before current fiscal year | 160,506 | 58,813
Three years before current fiscal year | 56,069 | 53,249
Four years before current fiscal year | 50,455 | 20,589
Prior | 80,281 | 74,232
Revolving Loans | 0 | 0
Current period gross writeoffs, current fiscal year | 0 | 0
Current period gross writeoffs, fiscal year before current fiscal year | 0 | 0
Current period gross writeoffs, two year before current fiscal year | 0 | 0
Current period gross writeoffs, three year before current fiscal year | 0 | 0
Current period gross writeoffs, four year before current fiscal year | 0 | 0
Current period gross writeoffs, prior | 0 | 0
Current period gross writeoffs, revolving loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 390,760 | 391,132
Current period gross writeoffs, total loans receivables | 0 | 0
Real Estate Loan | Agricultural | Pass |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 25,824 | 19,231
Fiscal year before current fiscal year | 17,292 | 164,812
Two years before current fiscal year | 159,433 | 57,815
Three years before current fiscal year | 55,083 | 53,249
Four years before current fiscal year | 48,700 | 19,419
Prior | 73,592 | 71,189
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 379,924 | 385,715
Real Estate Loan | Agricultural | Special Mention |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 0 | 206
Fiscal year before current fiscal year | 192 | 0
Two years before current fiscal year | 107 | 627
Three years before current fiscal year | 986 | 0
Four years before current fiscal year | 1,755 | 1,170
Prior | 5,630 | 1,868
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 8,670 | 3,871
Real Estate Loan | Agricultural | Substandard |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 141 | 0
Two years before current fiscal year | 966 | 371
Three years before current fiscal year | 0 | 0
Four years before current fiscal year | 0 | 0
Prior | 1,059 | 1,175
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 2,166 | 1,546
Real Estate Loan | Commercial And Multifamily Portfolio Segment |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 216,956 | 189,294
Fiscal year before current fiscal year | 227,485 | 686,704
Two years before current fiscal year | 688,599 | 550,570
Three years before current fiscal year | 537,576 | 319,254
Four years before current fiscal year | 290,568 | 241,661
Prior | 789,045 | 716,350
Revolving Loans | 0 | 0
Current period gross writeoffs, current fiscal year | 0 | 0
Current period gross writeoffs, fiscal year before current fiscal year | 0 | 0
Current period gross writeoffs, two year before current fiscal year | 151 | 0
Current period gross writeoffs, three year before current fiscal year | 0 | 0
Current period gross writeoffs, four year before current fiscal year | 0 | 25
Current period gross writeoffs, prior | 300 | 0
Current period gross writeoffs, revolving loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 2,750,229 | 2,703,833
Current period gross writeoffs, total loans receivables | 451 | 25
Real Estate Loan | Commercial And Multifamily Portfolio Segment | Pass |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 216,297 | 185,628
Fiscal year before current fiscal year | 213,704 | 680,099
Two years before current fiscal year | 680,665 | 548,733
Three years before current fiscal year | 535,056 | 317,075
Four years before current fiscal year | 289,855 | 239,323
Prior | 774,516 | 701,464
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 2,710,093 | 2,672,322
Real Estate Loan | Commercial And Multifamily Portfolio Segment | Special Mention |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 659 | 3,666
Fiscal year before current fiscal year | 13,732 | 2,706
Two years before current fiscal year | 4,090 | 1,317
Three years before current fiscal year | 2,053 | 2,159
Four years before current fiscal year | 713 | 1,563
Prior | 10,462 | 7,778
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 31,709 | 19,189
Real Estate Loan | Commercial And Multifamily Portfolio Segment | Substandard |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 49 | 3,899
Two years before current fiscal year | 3,844 | 520
Three years before current fiscal year | 467 | 20
Four years before current fiscal year | 0 | 775
Prior | 4,067 | 7,108
Revolving Loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 8,427 | 12,322
Real Estate Loan | Agricultural Loans |  |
Credit Quality Information [Abstract] |  |
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] |  |
Current period gross writeoffs, total loans receivables |  | 529
1-4 Family | Real Estate Loan |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 46,699 | 66,271
Fiscal year before current fiscal year | 37,126 | 98,721
Two years before current fiscal year | 75,700 | 82,729
Three years before current fiscal year | 76,388 | 73,469
Four years before current fiscal year | 62,493 | 27,142
Prior | 117,800 | 117,926
Revolving Loans | 80,391 | 76,211
Current period gross writeoffs, current fiscal year | 0 | 10
Current period gross writeoffs, fiscal year before current fiscal year | 46 | 0
Current period gross writeoffs, two year before current fiscal year | 13 | 0
Current period gross writeoffs, three year before current fiscal year | 33 | 0
Current period gross writeoffs, four year before current fiscal year | 0 | 14
Current period gross writeoffs, prior | 103 | 63
Current period gross writeoffs, revolving loans | 0 | 0
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 496,597 | 542,469
Current period gross writeoffs, total loans receivables | 195 | 87
1-4 Family | Real Estate Loan | Pass |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 46,350 | 66,119
Fiscal year before current fiscal year | 36,454 | 96,995
Two years before current fiscal year | 74,580 | 79,085
Three years before current fiscal year | 75,325 | 73,073
Four years before current fiscal year | 61,936 | 26,854
Prior | 110,348 | 105,257
Revolving Loans | 79,714 | 75,700
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 484,707 | 523,083
1-4 Family | Real Estate Loan | Special Mention |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 175 | 0
Fiscal year before current fiscal year | 0 | 967
Two years before current fiscal year | 204 | 3,184
Three years before current fiscal year | 326 | 0
Four years before current fiscal year | 0 | 0
Prior | 577 | 3,804
Revolving Loans | 59 | 10
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 1,341 | 7,965
1-4 Family | Real Estate Loan | Substandard |  |
Credit Quality Information [Abstract] |  |
Current fiscal year | 174 | 152
Fiscal year before current fiscal year | 672 | 759
Two years before current fiscal year | 916 | 460
Three years before current fiscal year | 737 | 396
Four years before current fiscal year | 557 | 288
Prior | 6,875 | 8,865
Revolving Loans | 618 | 501
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | $ 10,549 | $ 11,421

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