Fair Value Measurements and Marketable Securities - Summary of Gross Unrealized Gains and Losses of Marketable Securities (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 33,820	$ 41,703
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(2)	(6)
Fair Value	33,818	41,697
Corporate Bonds [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	11,481	13,227
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(2)	(6)
Fair Value	11,479	13,221
Commercial Paper [Member]
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	22,339	28,476
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0
Fair Value	$ 22,339	$ 28,476

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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Amount 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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