Short-term Investments - Summary of Major Security and Type of Investments (Detail) - USD ($) $ in Thousands		Dec. 31, 2022	Dec. 31, 2021
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	[1]	$ 73,784	$ 127,206
Gross Unrealized Gains	[1]	8
Gross Unrealized Losses	[1]	(16)	(47)
Fair Value	[1]	73,776	127,159
U.S. Government Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost		73,784	12,205
Gross Unrealized Gains		8
Gross Unrealized Losses		(16)	(15)
Fair Value		$ 73,776	12,190
Asset Backed Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost			11,349
Gross Unrealized Losses			(3)
Fair Value			11,346
Corporate Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost			49,095
Gross Unrealized Losses			(29)
Fair Value			49,066
Commercial Paper [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost			54,557
Fair Value			$ 54,557

[1] * Designated custodial institution, U.S. Bank, N.A.