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Retirement Plans - Schedule of Deferred Compensation Earnings Credits Included in Noninterest Expense (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Retirement Benefits [Abstract] |  |  |
Deferred compensation earnings credits included in non-interest expense | $ 187 | $ 176 | $ 212

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- Definition Deferred compensation arrangements non interest expense. + References No definition available. + Details
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- References No definition available. + Details
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