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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, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | $ 59,093 | $ 54,655 | $ 41,910
Initial allowance on loans purchased with credit deterioration | 3,791 | 863 | 2,074
Provision for credit loss expense | 6,104 | 4,806 | 15,151
Loans charged off | 2,631 | 2,950 | 5,634
Recoveries collected | 2,318 | 1,719 | 1,154
Allowance for credit losses, Ending Balance | 68,675 | 59,093 | 54,655
Construction and Land Development | Real Estate Loan |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | 2,250 | 1,743 | 1,666
Initial allowance on loans purchased with credit deterioration | 308 | 272 | 261
Provision for credit loss expense | 374 | 137 | 21
Loans charged off | 14 | 2 | 205
Recoveries collected | 0 | 100 | 0
Allowance for credit losses, Ending Balance | 2,918 | 2,250 | 1,743
Agricultural | Real Estate Loan |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | 1,433 | 1,257 | 1,084
Initial allowance on loans purchased with credit deterioration | 0 | 0 | 44
Provision for credit loss expense | (67) | 176 | 129
Loans charged off | 0 | 0 | 0
Recoveries collected | 0 | 0 | 0
Allowance for credit losses, Ending Balance | 1,366 | 1,433 | 1,257
Residential Properties | Real Estate Loan | 1-4 Family |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | 3,742 | 2,330 | 2,322
Initial allowance on loans purchased with credit deterioration | 124 | 3 | 328
Provision for credit loss expense | 225 | 1,241 | (160)
Loans charged off | 87 | 191 | 371
Recoveries collected | 216 | 359 | 211
Allowance for credit losses, Ending Balance | 4,220 | 3,742 | 2,330
Commercial | Real Estate Loan |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | 28,157 | 26,246 | 19,660
Initial allowance on loans purchased with credit deterioration | 1,066 | 478 | 646
Provision for credit loss expense | 1,755 | 1,462 | 6,415
Loans charged off | 25 | 414 | 535
Recoveries collected | 805 | 385 | 60
Allowance for credit losses, Ending Balance | 31,758 | 28,157 | 26,246
Agricultural Loans |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | 585 | 983 | 1,526
Initial allowance on loans purchased with credit deterioration | 0 | 0 | 0
Provision for credit loss expense | 490 | (359) | (544)
Loans charged off | 408 | 93 | 0
Recoveries collected | 38 | 54 | 1
Allowance for credit losses, Ending Balance | 705 | 585 | 983
Commercial and Industrial Loans |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | 20,808 | 19,241 | 13,485
Initial allowance on loans purchased with credit deterioration | 2,273 | 94 | 795
Provision for credit loss expense | 2,322 | 2,135 | 7,940
Loans charged off | 529 | 870 | 3,118
Recoveries collected | 576 | 208 | 139
Allowance for credit losses, Ending Balance | 25,450 | 20,808 | 19,241
Consumer Loans |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | 2,118 | 2,855 | 2,167
Initial allowance on loans purchased with credit deterioration | 20 | 16 | 0
Provision for credit loss expense | 1,005 | 14 | 1,350
Loans charged off | 1,568 | 1,380 | 1,405
Recoveries collected | 683 | 613 | 743
Allowance for credit losses, Ending Balance | $ 2,258 | $ 2,118 | $ 2,855

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