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Loans - Loans (Detail) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Loans: |  |  |
Loans - Gross | $ 2,562,545 | $ 2,580,674 |
Less: Net deferred loan fees and costs | (676) | 517 |
Loans after net deferred loan fees and costs | 2,561,869 | 2,581,191 |
Less: Allowance for credit losses | (25,826) | (25,024) | $ (20,313)
Loans - Net | 2,536,043 | 2,556,167 |
Consumer Real Estate [Member] |  |  |
Loans: |  |  |
Loans - Gross | 520,114 | 521,895 |
Less: Allowance for credit losses | (3,543) | (3,581) | (998)
Agricultural Real Estate [Member] |  |  |
Loans: |  |  |
Loans - Gross | 216,401 | 223,791 |
Less: Allowance for credit losses | (895) | (312) | (349)
Agricultural [Member] |  |  |
Loans: |  |  |
Loans - Gross | 152,080 | 132,560 |
Less: Allowance for credit losses | (285) | (336) | (751)
Commercial Real Estate [Member] |  |  |
Loans: |  |  |
Loans - Gross | 1,310,811 | 1,337,766 |
Less: Allowance for credit losses | (16,560) | (17,400) | (11,924)
Commercial and Industrial [Member] |  |  |
Loans: |  |  |
Loans - Gross | 275,152 | 254,935 |
Consumer [Member] |  |  |
Loans: |  |  |
Loans - Gross | 63,009 | 79,591 |
Less: Allowance for credit losses | (1,012) | (1,302) | $ (909)
Other Loan [Member] |  |  |
Loans: |  |  |
Loans - Gross | $ 24,978 | $ 30,136 |

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