Income Taxes - Reconciliations of Total Amount of Gross Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Gross unrecognized tax benefits at beginning of year	$ 17,395	$ 16,194
Increase in tax positions for prior years	131	412
Increase in tax positions from prior years	(69)	(453)
Increases in tax positions for current year	8,476	3,463
Increases in tax positions for current year	(286)	(532)
Lapse in statute of limitations	(1,858)	(1,689)
Gross unrecognized tax benefits at end of year	$ 23,789	$ 17,395