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Securities - Additional Information (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
Schedule of Available-for-sale Securities [Line Items]
Investments pledged, carrying value	$ 78,500	$ 83,200
Other securities	6,419	5,939
Federal Home Loan Bank of Cincinnati and Indianapolis Stock [Member]
Schedule of Available-for-sale Securities [Line Items]
Other securities	6,100	5,800
Ohio Equity Fund for Housing Limited Partnership [Member]
Schedule of Available-for-sale Securities [Line Items]
Other securities	$ 348	$ 151
Minimum [Member]
Schedule of Available-for-sale Securities [Line Items]
Underwater security	10 years
Loss position existed	3 years

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-Publisher FASB
-Name Accounting Standards Codification
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