Income Taxes - Schedule of Components of Provision for (benefit from) Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Current:
Federal	$ 0	$ (2,678)
State	0	105
Foreign	0	0
Total current	0	(2,573)
Deferred:
Federal	(125)	(242)
State	0	0
Foreign	0	0
Total deferred	(125)	(242)
Provision for (benefit from) income taxes	$ (125)	$ (2,815)