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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, 2024	Dec. 31, 2023
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Amortized Cost	$ 253,515	$ 251,218
Gross Unrealized Holding Gains	2	10
Gross Unrealized Holding Losses	(20)
Aggregate Fair Value	253,497	251,228
Level 1 [Member] | Cash and Cash Equivalents [Member] | Money Market Funds [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Amortized Cost	40,150	143,933
Aggregate Fair Value	40,150	143,933
Level 2 [Member] | Cash and Cash Equivalents [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Amortized Cost	140,490	216,622
Gross Unrealized Holding Gains	1
Gross Unrealized Holding Losses	(1)
Aggregate Fair Value	140,490	216,622
Level 2 [Member] | Cash and Cash Equivalents [Member] | Commercial Paper [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Amortized Cost	13,980
Aggregate Fair Value	13,980
Level 2 [Member] | Cash and Cash Equivalents [Member] | Government Bonds [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Amortized Cost	86,360	72,689
Gross Unrealized Holding Gains	1
Gross Unrealized Holding Losses	(1)
Aggregate Fair Value	86,360	72,689
Level 2 [Member] | Short-Term Investments [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Amortized Cost	113,025	34,596
Gross Unrealized Holding Gains	1	10
Gross Unrealized Holding Losses	(19)
Aggregate Fair Value	113,007	34,606
Level 2 [Member] | Short-Term Investments [Member] | Government Bonds [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Amortized Cost	113,025	34,596
Gross Unrealized Holding Gains	1	10
Gross Unrealized Holding Losses	(19)
Aggregate Fair Value	$ 113,007	$ 34,606

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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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