Income Taxes - Summary of Income Tax Expense (Benefit) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Expense Benefit Continuing Operations [Abstract]
Current	$ 2,698	$ 2,564	$ 2,438
Deferred	(131)	(36)	66
Total income tax provision	$ 2,567	$ 2,528	$ 2,504