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Short-Term Investments - Summary of Short-term Investments Classified as Available-for-sale Securities (Detail) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	$ 89,723	$ 119,603
Unrealized Gains	22	55
Unrealized Losses	(13)	(29)
Fair Value	89,732	119,629
U.S. Government Securities [Member]
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	78,759	119,603
Unrealized Gains	21	55
Unrealized Losses	(10)	(29)
Fair Value	78,770	$ 119,629
U.S. Government Agencies [Member]
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	10,964
Unrealized Gains	1
Unrealized Losses	(3)
Fair Value	$ 10,962

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