Short-Term Investments - Schedule of Short-term Investments (Detail) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	$ 47,338	$ 41,346
Gross Unrealized Gain	2	48
Gross Unrealized Loss	(28)	(1)
Fair Value	47,312	41,393
U.S. Treasury Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	46,327	36,370
Gross Unrealized Gain	2	48
Gross Unrealized Loss	(27)	0
Fair Value	46,302	36,418
U.S. Government Agency Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	1,011	4,976
Gross Unrealized Gain	0	0
Gross Unrealized Loss	(1)	(1)
Fair Value	$ 1,010	$ 4,975