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Fair Value Measurements and Cash Equivalents/Marketable Securities - Summary of Marketable Securities (Detail) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 150,088	$ 59,960
Gross Unrealized Gains	168	81
Gross Unrealized Losses	(20)
Fair Value	150,236	60,041
U.S. Treasury Bills [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	2,945	17,330
Gross Unrealized Gains	2	4
Fair Value	2,947	17,334
U.S. Government Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	147,143	35,653
Gross Unrealized Gains	166	66
Gross Unrealized Losses	(20)
Fair Value	$ 147,289	35,719
Corporate Bonds [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost		6,977
Gross Unrealized Gains		11
Fair Value		$ 6,988

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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