Income Taxes - Reconciliation of Total Amounts of Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Beginning uncertain tax benefits	$ 24,034	$ 26,743	$ 6,815
Prior year—increases	16	2,428	295
Prior year—decreases	(2,248)	(5,391)
Current year—increases	238	254	19,633
Ending uncertain tax benefits	$ 22,040	$ 24,034	$ 26,743