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Loans and Allowance for Credit Losses - Loan Portfolio Aging Analysis (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | $ 5,552,853 | $ 5,575,585
Total Loans Receivable | 5,560,617 | 5,580,565
Total Loans> 90 Days and Accruing | 0 | 0
Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 3,831,322 | 3,842,511
Total Loans> 90 Days and Accruing | 0 | 0
Real Estate Loan | 1-4 Family |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 507,517 | 542,469
Construction and Land Development | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 195,389 | 205,077
Total Loans> 90 Days and Accruing | 0 | 0
Agricultural |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 601,600 | 588,500
Agricultural | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 387,015 | 391,132
Total Loans> 90 Days and Accruing | 0 | 0
Residential Properties | Real Estate Loan | 1-4 Family |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 507,517 | 542,469
Total Loans> 90 Days and Accruing | 0 | 0
Residential Properties | Real Estate Loan | Multifamily |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 334,446 | 319,129
Total Loans> 90 Days and Accruing | 0 | 0
Commercial | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 2,406,955 | 2,384,704
Total Loans> 90 Days and Accruing | 0 | 0
Agricultural Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 213,997 | 196,272
Total Loans> 90 Days and Accruing | 0 | 0
Commercial and Industrial Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 1,268,646 | 1,266,159
Total Loans> 90 Days and Accruing | 0 | 0
Consumer Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 70,841 | 91,014
Total Loans> 90 Days and Accruing | 0 | 0
All Other Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Loans Receivable | 175,811 | 184,609
Total Loans> 90 Days and Accruing | 0 | 0
Financial Asset, 30 to 59 Days Past Due |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 9,330 | 5,679
Financial Asset, 30 to 59 Days Past Due | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 6,768 | 4,023
Financial Asset, 30 to 59 Days Past Due | Construction and Land Development | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 625 | 0
Financial Asset, 30 to 59 Days Past Due | Agricultural | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 100 | 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 | 5,357 | 3,054
Financial Asset, 30 to 59 Days Past Due | Residential Properties | Real Estate Loan | Multifamily |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 0 | 150
Financial Asset, 30 to 59 Days Past Due | Commercial | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 686 | 819
Financial Asset, 30 to 59 Days Past Due | Agricultural Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 1,240 | 0
Financial Asset, 30 to 59 Days Past Due | Commercial and Industrial Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 946 | 673
Financial Asset, 30 to 59 Days Past Due | Consumer Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 376 | 983
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 | 2,187 | 1,424
Financial Asset, 60 to 89 Days Past Due | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 2,067 | 1,189
Financial Asset, 60 to 89 Days Past Due | Construction and Land Development | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 0 | 585
Financial Asset, 60 to 89 Days Past Due | Agricultural | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 0 | 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 | 1,618 | 530
Financial Asset, 60 to 89 Days Past Due | Residential Properties | Real Estate Loan | Multifamily |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 44 | 0
Financial Asset, 60 to 89 Days Past Due | Commercial | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 405 | 74
Financial Asset, 60 to 89 Days Past Due | Agricultural Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 0 | 0
Financial Asset, 60 to 89 Days Past Due | Commercial and Industrial Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 79 | 73
Financial Asset, 60 to 89 Days Past Due | Consumer Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 41 | 162
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 | 12,061 | 7,646
Financial Asset, Equal to or Greater than 90 Days Past Due | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 10,770 | 5,785
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 | 456 | 450
Financial Asset, Equal to or Greater than 90 Days Past Due | Agricultural | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 1 | 1
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 | 1,330 | 1,018
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 | 551 | 551
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 8,432 | 3,765
Financial Asset, Equal to or Greater than 90 Days Past Due | Agricultural Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 0 | 0
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial and Industrial Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 1,154 | 1,531
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 137 | 330
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 | 23,578 | 14,749
Total Past Due | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 19,605 | 10,997
Total Past Due | Construction and Land Development | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 1,081 | 1,035
Total Past Due | Agricultural | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 101 | 1
Total Past Due | Residential Properties | Real Estate Loan | 1-4 Family |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 8,305 | 4,602
Total Past Due | Residential Properties | Real Estate Loan | Multifamily |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 595 | 701
Total Past Due | Commercial | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 9,523 | 4,658
Total Past Due | Agricultural Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 1,240 | 0
Total Past Due | Commercial and Industrial Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 2,179 | 2,277
Total Past Due | Consumer Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 554 | 1,475
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 | 5,537,039 | 5,565,816
Current | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 3,811,717 | 3,831,514
Current | Construction and Land Development | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 194,308 | 204,042
Current | Agricultural | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 386,914 | 391,131
Current | Residential Properties | Real Estate Loan | 1-4 Family |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 499,212 | 537,867
Current | Residential Properties | Real Estate Loan | Multifamily |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 333,851 | 318,428
Current | Commercial | Real Estate Loan |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 2,397,432 | 2,380,046
Current | Agricultural Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 212,757 | 196,272
Current | Commercial and Industrial Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 1,266,467 | 1,263,882
Current | Consumer Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | 70,287 | 89,539
Current | All Other Loans |  |
Loans Receivable Aging Analysis [Abstract] |  |
Total Past Due | $ 175,811 | $ 184,609

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