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Fair Value Measurements - Summary of Financial Assets Measured at Fair Value on a Recurring Basis (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Amortized Cost	$ 227,733	$ 242,359
Gross Unrealized Holding Gains	6	14
Gross Unrealized Holding Losses	(138)	(286)
Aggregate Fair Value	227,601	242,087
Level 1 [Member] | Money Market Funds [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Amortized Cost	143,556	139,450
Aggregate Fair Value	143,556	139,450
Level 2 [Member] | Commercial Paper [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Amortized Cost	36,529	42,467
Gross Unrealized Holding Gains	1
Gross Unrealized Holding Losses	(20)	(82)
Aggregate Fair Value	36,510	42,385
Level 2 [Member] | Government Bonds [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Amortized Cost	47,648	24,804
Gross Unrealized Holding Gains	5
Gross Unrealized Holding Losses	(118)	(204)
Aggregate Fair Value	$ 47,535	24,600
Level 2 [Member] | Corporate Bonds [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Amortized Cost		35,638
Gross Unrealized Holding Gains		14
Aggregate Fair Value		$ 35,652

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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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