Income Taxes - Schedule of Income Tax Expense Differed From Federal Statutory Rate Income Before Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Computed “expected” income tax expense	$ 5,871	$ 4,108
Non-deductible expense	15	25
Tax exempt Interest	(230)	(259)
BOLI Income	(189)	(164)
Low Income Housing Investment	49
State Income Taxes	326	165
Restricted Stock Adjustment	4	(95)
Federal tax credits	(64)
Other Adjustments	3	63
Total	$ 5,785	$ 3,843