Accumulated Other Comprehensive Loss - 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, 2023	Mar. 31, 2022
Accumulated Other Comprehensive Income Loss [Line Items]
Balance, Value	$ 158,779	$ 227,522
Amount reclassified from accumulated other comprehensive loss	0	0
Net current period other comprehensive income (loss)	571	(1,365)
Balance, Value	136,598	204,115
Accumulated Other Comprehensive (Loss) Income.
Accumulated Other Comprehensive Income Loss [Line Items]
Balance, Value	(1,672)	(358)
Other comprehensive loss before reclassifications	571	(1,365)
Net current period other comprehensive income (loss)	571	(1,365)
Balance, Value	$ (1,101)	$ (1,723)