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Loans and Allowance for Credit Losses - Summary of Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | $ 5,710,312 | $ 5,633,562 |  |
Less: Loans held for sale | 6,614 | 4,980 |  |
Loans and leases receivable gross excluding loans held for sale | 5,703,698 | 5,628,582 |  |
Net deferred loan fees, premiums and discounts | 37,850 | 52,997 |  |
Allowance for credit losses | 70,182 | 68,675 | $ 59,093 | $ 54,655
Net loans | 5,595,666 | 5,506,910 |  |
Real Estate Loan |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 3,906,596 | 3,886,972 |  |
Construction and Land Development | Real Estate Loan |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 236,258 | 207,033 |  |
Allowance for credit losses | 3,275 | 2,918 | 2,250 | 1,743
Agricultural | Real Estate Loan |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 391,436 | 392,265 |  |
Allowance for credit losses | 1,361 | 1,366 | 1,433 | 1,257
Commercial | Real Estate Loan |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 2,442,627 | 2,416,294 |  |
Allowance for credit losses | 32,669 | 31,758 | 28,157 | 26,246
Agricultural Loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 239,138 | 196,202 |  |
Allowance for credit losses | 1,957 | 705 | 585 | 983
Commercial and Industrial Loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 1,340,865 | 1,273,637 |  |
Allowance for credit losses | 25,602 | 25,450 | 20,808 | 19,241
Consumer Loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 54,481 | 92,142 |  |
Allowance for credit losses | 1,739 | 2,258 | 2,118 | 2,855
All Other Loans |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 169,232 | 184,609 |  |
1-4 Family | Residential Properties | Real Estate Loan |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | 502,243 | 549,843 |  |
Allowance for credit losses | 3,579 | 4,220 | $ 3,742 | $ 2,330
Multifamily | Residential Properties | Real Estate Loan |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Gross loans | $ 334,032 | $ 321,537 |  |

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