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Loans - Additional Information (Detail) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 USD ($) Employees | Dec. 31, 2021 USD ($) Loan | Dec. 31, 2020 USD ($) Loan | Dec. 27, 2020 USD ($)
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Total loans | $ 2,546,666 | $ 1,997,879 |  |
Net deferred loan fees | 1,652 | 2,924 |  |
Loans and Leases Receivable, Net Amount | 2,518,155 | 1,971,238 |  |
Paycheck Protection Program Loans [Member] |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Net deferred loan fees | $ 0 | $ 1,762 |  |
Number of loans processed | Loan |  | 1,340 | 2,300 |
Loans processed |  | $ 131,109 | $ 268,300 | $ 284,500,000
Number of employees | Employees | 300 |  |  |
Percentage of reduction in gross revenues | 25.00% |  |  |
Maximum of monthly payroll allowable amount | $ 2,000 |  |  |
Loans and Leases Receivable, Net Amount | 8,017 | 6,115 |  |
Commercial and Agriculture [Member] |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Total loans | 278,595 | 246,502 |  |
Commercial and Agriculture [Member] | Paycheck Protection Program Loans [Member] |  |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |  |
Total loans | $ 566 | $ 43,209 |  |

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