Investments - Schedule of Investments by Security Type (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 11,701	$ 18,321
Gross Unrealized Gain	2	3
Gross Unrealized Loss	0	(13)
Fair Value	11,703	18,311
Commercial Paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	4,983	2,465
Gross Unrealized Gain	0	0
Gross Unrealized Loss	0	0
Fair Value	4,983	2,465
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,248	2,958
Gross Unrealized Gain	1	0
Gross Unrealized Loss	0	(1)
Fair Value	2,249	2,957
Government Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	4,470	12,898
Gross Unrealized Gain	1	3
Gross Unrealized Loss	0	(12)
Fair Value	$ 4,471	$ 12,889