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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
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | $ 54,655 | $ 41,910 | $ 26,911
Initial allowance on loans purchased with credit deterioration | 863 | 2,074 |
Provision for credit loss expense | 4,806 | 15,151 | 16,103
Loans charged off | 2,950 | 5,634 | 3,844
Recoveries collected | 1,719 | 1,154 | 1,068
Allowance for credit losses, Ending Balance | 59,093 | 54,655 | 41,910
Cumulative Change in Accounting Principal, Adjustment | ASU 2016-13 |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance |  |  | 1,672
Construction and Land Development | Real Estate Loan |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | 1,743 | 1,666 | 1,146
Initial allowance on loans purchased with credit deterioration | 272 | 261 |
Provision for credit loss expense | 137 | 21 | 646
Loans charged off | 2 | 205 | 13
Recoveries collected | 100 | 0 | 0
Allowance for credit losses, Ending Balance | 2,250 | 1,743 | 1,666
Construction and Land Development | Real Estate Loan | Cumulative Change in Accounting Principal, Adjustment | ASU 2016-13 |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance |  |  | (113)
Agricultural | Real Estate Loan |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | 1,257 | 1,084 | 1,093
Initial allowance on loans purchased with credit deterioration | 0 | 44 |
Provision for credit loss expense | 176 | 129 | (239)
Loans charged off | 0 | 0 | 0
Recoveries collected | 0 | 0 | 0
Allowance for credit losses, Ending Balance | 1,433 | 1,257 | 1,084
Agricultural | Real Estate Loan | Cumulative Change in Accounting Principal, Adjustment | ASU 2016-13 |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance |  |  | 230
Residential Properties | Real Estate Loan | 1-4 Family |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | 2,330 | 2,322 | 1,386
Initial allowance on loans purchased with credit deterioration | 3 | 328 |
Provision for credit loss expense | 1,241 | (160) | 274
Loans charged off | 191 | 371 | 393
Recoveries collected | 359 | 211 | 299
Allowance for credit losses, Ending Balance | 3,742 | 2,330 | 2,322
Residential Properties | Real Estate Loan | 1-4 Family | Cumulative Change in Accounting Principal, Adjustment | ASU 2016-13 |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance |  |  | 756
Commercial | Real Estate Loan |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | 26,246 | 19,660 | 11,198
Initial allowance on loans purchased with credit deterioration | 478 | 646 |
Provision for credit loss expense | 1,462 | 6,415 | 8,581
Loans charged off | 414 | 535 | 829
Recoveries collected | 385 | 60 | 169
Allowance for credit losses, Ending Balance | 28,157 | 26,246 | 19,660
Commercial | Real Estate Loan | Cumulative Change in Accounting Principal, Adjustment | ASU 2016-13 |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance |  |  | 541
Agricultural Loans |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | 983 | 1,526 | 1,386
Initial allowance on loans purchased with credit deterioration | 0 | 0 |
Provision for credit loss expense | (359) | (544) | 503
Loans charged off | 93 | 0 | 0
Recoveries collected | 54 | 1 | 0
Allowance for credit losses, Ending Balance | 585 | 983 | 1,526
Agricultural Loans | Cumulative Change in Accounting Principal, Adjustment | ASU 2016-13 |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance |  |  | (363)
Commercial and Industrial Loans |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | 19,241 | 13,485 | 9,273
Initial allowance on loans purchased with credit deterioration | 94 | 795 |
Provision for credit loss expense | 2,135 | 7,940 | 5,869
Loans charged off | 870 | 3,118 | 1,991
Recoveries collected | 208 | 139 | 179
Allowance for credit losses, Ending Balance | 20,808 | 19,241 | 13,485
Commercial and Industrial Loans | Cumulative Change in Accounting Principal, Adjustment | ASU 2016-13 |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance |  |  | 155
Consumer Loans |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance | 2,855 | 2,167 | 1,429
Initial allowance on loans purchased with credit deterioration | 16 | 0 |
Provision for credit loss expense | 14 | 1,350 | 469
Loans charged off | 1,380 | 1,405 | 618
Recoveries collected | 613 | 743 | 421
Allowance for credit losses, Ending Balance | $ 2,118 | $ 2,855 | 2,167
Consumer Loans | Cumulative Change in Accounting Principal, Adjustment | ASU 2016-13 |  |  |
Allowance for loan losses [Abstract] |  |  |
Allowance for credit losses, Beginning Balance |  |  | $ 466

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