Accumulated Other Comprehensive (Loss) Income - Summary of Changes in Accumulated Other Comprehensive (Loss) Income, Net of Tax, from Unrealized Gains (Losses) on Available-for-Sale Marketable Securities (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Accumulated Other Comprehensive Income Loss [Line Items]
Balance, Value	$ 227,522	$ 249,001
Amount reclassified from accumulated other comprehensive income		(39)
Net current period other comprehensive loss	(1,365)	(61)
Balance, Value	204,115	230,459
Accumulated Other Comprehensive (Loss) Income
Accumulated Other Comprehensive Income Loss [Line Items]
Balance, Value	(358)	73
Other comprehensive loss before reclassifications	(1,365)	(22)
Amount reclassified from accumulated other comprehensive income		(39)
Net current period other comprehensive loss	(1,365)	(61)
Balance, Value	$ (1,723)	$ 12