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Loans and Allowance for Credit Losses - Allowance for Credit Losses Based on Portfolio Segment (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | $ 68,675 | $ 59,093 | $ 54,655
Initial allowance on loans purchased with credit deterioration | 0 | 3,791 | 863
Provision for credit loss expense | 5,635 | 6,104 | 4,806
Loans charged off | 5,748 | 2,631 | 2,950
Recoveries collected | 1,620 | 2,318 | 1,719
Allowance for credit losses, Ending Balance | 70,182 | 68,675 | 59,093
Construction and Land Development | Real Estate Loan |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | 2,918 | 2,250 | 1,743
Initial allowance on loans purchased with credit deterioration | 0 | 308 | 272
Provision for credit loss expense | 352 | 374 | 137
Loans charged off | 0 | 14 | 2
Recoveries collected | 5 | 0 | 100
Allowance for credit losses, Ending Balance | 3,275 | 2,918 | 2,250
Agricultural | Real Estate Loan |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | 1,366 | 1,433 | 1,257
Initial allowance on loans purchased with credit deterioration | 0 | 0 | 0
Provision for credit loss expense | (5) | (67) | 176
Loans charged off | 0 | 0 | 0
Recoveries collected | 0 | 0 | 0
Allowance for credit losses, Ending Balance | 1,361 | 1,366 | 1,433
Residential Properties | Real Estate Loan | 1-4 Family |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | 4,220 | 3,742 | 2,330
Initial allowance on loans purchased with credit deterioration | 0 | 124 | 3
Provision for credit loss expense | (785) | 225 | 1,241
Loans charged off | 195 | 87 | 191
Recoveries collected | 339 | 216 | 359
Allowance for credit losses, Ending Balance | 3,579 | 4,220 | 3,742
Commercial | Real Estate Loan |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | 31,758 | 28,157 | 26,246
Initial allowance on loans purchased with credit deterioration | 0 | 1,066 | 478
Provision for credit loss expense | 1,178 | 1,755 | 1,462
Loans charged off | 451 | 25 | 414
Recoveries collected | 184 | 805 | 385
Allowance for credit losses, Ending Balance | 32,669 | 31,758 | 28,157
Agricultural Loans |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | 705 | 585 | 983
Initial allowance on loans purchased with credit deterioration | 0 | 0 | 0
Provision for credit loss expense | 3,587 | 490 | (359)
Loans charged off | 2,410 | 408 | 93
Recoveries collected | 75 | 38 | 54
Allowance for credit losses, Ending Balance | 1,957 | 705 | 585
Commercial and Industrial Loans |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | 25,450 | 20,808 | 19,241
Initial allowance on loans purchased with credit deterioration | 0 | 2,273 | 94
Provision for credit loss expense | 510 | 2,322 | 2,135
Loans charged off | 688 | 529 | 870
Recoveries collected | 330 | 576 | 208
Allowance for credit losses, Ending Balance | 25,602 | 25,450 | 20,808
Consumer Loans |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | 2,258 | 2,118 | 2,855
Initial allowance on loans purchased with credit deterioration | 0 | 20 | 16
Provision for credit loss expense | 798 | 1,005 | 14
Loans charged off | 2,004 | 1,568 | 1,380
Recoveries collected | 687 | 683 | 613
Allowance for credit losses, Ending Balance | $ 1,739 | $ 2,258 | $ 2,118

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