Income Taxes - Benefit from Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current:
United States—Federal	$ 2,690	$ 45
United States—State	716	700	$ 164
Foreign	156
Total current	3,562	745	164
Deferred:
United States—Federal	5,222	1,972	1,777
United States—State	(3,057)	1,956	(914)
Ireland and United Kingdom	(1,619)	(26,793)	1,278
Change in valuation allowance	(546)	22,865	(2,141)
Provision for income taxes	$ 3,562	$ 745	$ 164