Income Taxes - Schedule of Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Unrecognized tax benefits, Beginning Balance	$ 2,297,000	$ 2,070,000	$ 1,462,000
Additions based on tax positions related to the current year	625,000	244,000	571,000
Additions (reductions) for tax positions of prior years	393,000	(13,000)	43,000
Lapse of statute	(69,000)	(4,000)	(6,000)
Unrecognized tax benefits, Ending Balance	$ 3,246,000	$ 2,297,000	$ 2,070,000