Fair Value Measurements and Marketable Securities - Summary of Gross Unrealized Gains and Losses of Marketable Securities (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 49,859	$ 33,820
Gross Unrealized Gains	2	0
Gross Unrealized Losses	(6)	(2)
Fair Value	49,855	33,818
Corporate Bonds [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	7,934	11,481
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(6)	(2)
Fair Value	7,928	11,479
Commercial Paper [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	14,944	22,339
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	14,944	$ 22,339
U.S. Government Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	26,981
Gross Unrealized Gains	2
Gross Unrealized Losses	0
Fair Value	$ 26,983

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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Amount, before tax, of unrealized loss 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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Amortized cost of 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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