Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Current
Non-U.S.		$ (218)
Total current		(218)
Deferred
U.S. federal	$ (5,170)	(4,377)
U.S. state	(14,461)	(469)
Total deferred	(19,631)	(4,846)
Valuation allowance	19,631	4,846
Total	$ 0	$ (218)