Income Taxes - Income (Loss) before Provision (Benefit) for Income Taxes (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating Loss Carryforwards [Line Items]
Provision (benefit) for income taxes at federal statutory rate									$ 8,187	$ (13,999)	$ (17,712)
State current and deferred income tax provision (benefit)									1,833	(5,094)	(5,282)
State tax law changes									7,360	(660)	(4,388)
Tax credits									(2,835)
PPP loan forgiveness									(2,456)
Other									1,041	1,938	758
Benefit for income taxes	$ (4,369)	$ 19	$ (248)	$ 42	$ (1,741)	$ (1,370)	$ (1,299)	$ (339)	(4,556)	(4,749)	(20,924)
Federal [Member]
Operating Loss Carryforwards [Line Items]
Valuation allowance									(13,400)	8,758	2,739
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Valuation allowance									$ (4,286)	$ 4,308	$ 2,961