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Securities - Additional Information (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Schedule of Available-for-sale Securities [Line Items]
Investments pledged, carrying value	$ 199,300	$ 194,100
Other securities	14,744	17,138
Federal Home Loan Bank of Cincinnati and Indianapolis Stock [Member]
Schedule of Available-for-sale Securities [Line Items]
Other securities	14,700	14,800
Federal Reserve's Bank Term Funding Program [Member]
Schedule of Available-for-sale Securities [Line Items]
Investments pledged, carrying value	$ 58,800	$ 61,700

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