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Loans - Additional Information (Detail) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | $ 3,043,946 | $ 2,861,728
Net deferred loan fees | 2,704 | 2,743
Accrued interest receivable | 9,688 | 8,414
Commercial and Agriculture [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | 304,639 | 304,793
Commercial and Agriculture [Member] | Paycheck Protection Program Loans [Member] |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total loans | $ 214 | $ 326

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