Investments - Schedule of Investments by Security Type (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 18,321	$ 111,258
Gross Unrealized Gain	3
Gross Unrealized Loss	(13)	(59)
Fair Value	18,311	111,199
Commercial Paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,465	6,250
Gross Unrealized Gain	0
Gross Unrealized Loss	0	0
Fair Value	2,465	6,250
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,958	40,123
Gross Unrealized Gain	0
Gross Unrealized Loss	(1)	(28)
Fair Value	2,957	40,095
Government Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	12,898	64,885
Gross Unrealized Gain	3
Gross Unrealized Loss	(12)	(31)
Fair Value	$ 12,889	$ 64,854