Investments - Schedule of Investments by Security Type (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 69,227	$ 111,258
Gross Unrealized Gain	0
Gross Unrealized Loss	(256)	(59)
Fair Value	68,971	111,199
Commercial Paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		6,250
Fair Value		6,250
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	12,043	40,123
Gross Unrealized Gain	0
Gross Unrealized Loss	(51)	(28)
Fair Value	11,992	40,095
Government Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	57,184	64,885
Gross Unrealized Gain	0
Gross Unrealized Loss	(205)	(31)
Fair Value	$ 56,979	$ 64,854