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Loans and Allowance for Credit Losses - Loan Portfolio Aging Analysis (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | $ 5,695,214 | $ 5,665,848
Total Loans Receivable | 5,698,858 | 5,672,462
Total Loans> 90 Days and Accruing | 0 | 0
Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 3,885,543 | 3,873,679
Total Loans> 90 Days and Accruing | 0 | 0
Real Estate Loan | 1-4 Family |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 488,139 | 496,597
Construction and Land Development | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 269,148 | 236,093
Total Loans> 90 Days and Accruing | 0 | 0
Agricultural |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 670,100 | 630,600
Agricultural | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 373,413 | 390,760
Total Loans> 90 Days and Accruing | 0 | 0
Residential Properties | Real Estate Loan | 1-4 Family |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 488,139 | 496,597
Total Loans> 90 Days and Accruing | 0 | 0
Residential Properties | Real Estate Loan | Multifamily |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 356,858 | 332,644
Total Loans> 90 Days and Accruing | 0 | 0
Commercial | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 2,397,985 | 2,417,585
Total Loans> 90 Days and Accruing | 0 | 0
Agricultural Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 296,811 | 239,671
Total Loans> 90 Days and Accruing | 0 | 0
Commercial and Industrial Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 1,303,712 | 1,335,920
Total Loans> 90 Days and Accruing | 0 | 0
Consumer Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 47,220 | 53,960
Total Loans> 90 Days and Accruing | 0 | 0
All Other Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 165,572 | 169,232
Total Loans> 90 Days and Accruing | 0 | 0
Financial Asset, 30 to 59 Days Past Due |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 8,745 | 4,139
Financial Asset, 30 to 59 Days Past Due | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 7,245 | 2,810
Financial Asset, 30 to 59 Days Past Due | Construction and Land Development | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 11 | 6
Financial Asset, 30 to 59 Days Past Due | Agricultural | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 0 | 0
Financial Asset, 30 to 59 Days Past Due | Residential Properties | Real Estate Loan | 1-4 Family |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 4,011 | 2,209
Financial Asset, 30 to 59 Days Past Due | Residential Properties | Real Estate Loan | Multifamily |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 0 | 0
Financial Asset, 30 to 59 Days Past Due | Commercial | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 3,223 | 595
Financial Asset, 30 to 59 Days Past Due | Agricultural Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 1,193 | 550
Financial Asset, 30 to 59 Days Past Due | Commercial and Industrial Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 100 | 337
Financial Asset, 30 to 59 Days Past Due | Consumer Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 207 | 442
Financial Asset, 30 to 59 Days Past Due | All Other Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 0 | 0
Financial Asset, 60 to 89 Days Past Due |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 364 | 1,621
Financial Asset, 60 to 89 Days Past Due | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 220 | 1,484
Financial Asset, 60 to 89 Days Past Due | Construction and Land Development | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 0 | 0
Financial Asset, 60 to 89 Days Past Due | Agricultural | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 53 | 0
Financial Asset, 60 to 89 Days Past Due | Residential Properties | Real Estate Loan | 1-4 Family |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 150 | 931
Financial Asset, 60 to 89 Days Past Due | Residential Properties | Real Estate Loan | Multifamily |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 0 | 0
Financial Asset, 60 to 89 Days Past Due | Commercial | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 17 | 553
Financial Asset, 60 to 89 Days Past Due | Agricultural Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 97 | 0
Financial Asset, 60 to 89 Days Past Due | Commercial and Industrial Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 16 | 89
Financial Asset, 60 to 89 Days Past Due | Consumer Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 31 | 48
Financial Asset, 60 to 89 Days Past Due | All Other Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 9,222 | 5,301
Financial Asset, Equal to or Greater than 90 Days Past Due | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 3,002 | 3,438
Financial Asset, Equal to or Greater than 90 Days Past Due | Construction and Land Development | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due | Agricultural | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 841 | 533
Financial Asset, Equal to or Greater than 90 Days Past Due | Residential Properties | Real Estate Loan | 1-4 Family |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 1,301 | 2,089
Financial Asset, Equal to or Greater than 90 Days Past Due | Residential Properties | Real Estate Loan | Multifamily |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 472 | 472
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 388 | 344
Financial Asset, Equal to or Greater than 90 Days Past Due | Agricultural Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 5,836 | 1,289
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial and Industrial Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 376 | 463
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 8 | 111
Financial Asset, Equal to or Greater than 90 Days Past Due | All Other Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 0 | 0
Total Past Due |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | $ 18,331 | $ 11,061
Percent of total loans | 0.32% | 0.19%
Total Past Due | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | $ 10,467 | $ 7,732
Total Past Due | Construction and Land Development | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 11 | 6
Total Past Due | Agricultural | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 894 | 533
Total Past Due | Residential Properties | Real Estate Loan | 1-4 Family |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 5,462 | 5,229
Total Past Due | Residential Properties | Real Estate Loan | Multifamily |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 472 | 472
Total Past Due | Commercial | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 3,628 | 1,492
Total Past Due | Agricultural Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 7,126 | 1,839
Total Past Due | Commercial and Industrial Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 492 | 889
Total Past Due | Consumer Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 246 | 601
Total Past Due | All Other Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 0 | 0
Current |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 5,680,527 | 5,661,401
Current | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 3,875,076 | 3,865,947
Current | Construction and Land Development | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 269,137 | 236,087
Current | Agricultural | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 372,519 | 390,227
Current | Residential Properties | Real Estate Loan | 1-4 Family |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 482,677 | 491,368
Current | Residential Properties | Real Estate Loan | Multifamily |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 356,386 | 332,172
Current | Commercial | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 2,394,357 | 2,416,093
Current | Agricultural Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 289,685 | 237,832
Current | Commercial and Industrial Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 1,303,220 | 1,335,031
Current | Consumer Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 46,974 | 53,359
Current | All Other Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | $ 165,572 | $ 169,232

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