Short-Term Investments - Schedule of Short-term Investments (Detail) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	$ 46,575	$ 41,346
Gross Unrealized Gain	0	48
Gross Unrealized Loss	(37)	(1)
Fair Value	46,538	41,393
U.S. Treasury Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	45,574	36,370
Gross Unrealized Gain	0	48
Gross Unrealized Loss	(35)	0
Fair Value	45,539	36,418
U.S. Government Agency Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	1,001	4,976
Gross Unrealized Gain	0	0
Gross Unrealized Loss	(2)	(1)
Fair Value	$ 999	$ 4,975