Fair Value Measurements - Summary of Financial Assets Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Short-term investments, Aggregated Fair Value	$ 355,981	$ 181,445
Recurring
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Short-term investments, Amortized Cost	356,543	181,807
Short-term investments, Gross Unrealized Holding Gains	12	12
Short-term investments, Gross Unrealized Holding Losses	(574)	(374)
Short-term investments, Aggregated Fair Value	355,981	181,445
Recurring | Cash equivalents
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Short-term investments, Aggregated Fair Value	159,603	48,540
Recurring | Short-term available for sale securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Short-term investments, Aggregated Fair Value	196,378	132,905
Recurring | Level 1 | Money Market Funds
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Short-term investments, Amortized Cost	8,947	18,224
Short-term investments, Aggregated Fair Value	8,947	18,224
Recurring | Level 2 | Commercial Paper
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Short-term investments, Amortized Cost	104,151	104,279
Short-term investments, Gross Unrealized Holding Gains		1
Short-term investments, Gross Unrealized Holding Losses	(50)	(84)
Short-term investments, Aggregated Fair Value	104,101	104,196
Recurring | Level 2 | U.S. treasury bills
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Short-term investments, Amortized Cost	115,237	7,414
Short-term investments, Gross Unrealized Holding Gains	11	1
Short-term investments, Gross Unrealized Holding Losses	(12)	(21)
Short-term investments, Aggregated Fair Value	115,236	7,394
Recurring | Level 2 | U.S. government bonds
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Short-term investments, Amortized Cost	89,910	18,225
Short-term investments, Gross Unrealized Holding Gains	1	1
Short-term investments, Gross Unrealized Holding Losses	(278)	(109)
Short-term investments, Aggregated Fair Value	89,633	18,117
Recurring | Level 2 | Agency bonds
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Short-term investments, Amortized Cost	32,660	13,986
Short-term investments, Gross Unrealized Holding Losses	(197)	(78)
Short-term investments, Aggregated Fair Value	32,463	13,908
Recurring | Level 2 | Non-US debt securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Short-term investments, Amortized Cost		3,975
Short-term investments, Gross Unrealized Holding Losses		(20)
Short-term investments, Aggregated Fair Value		3,955
Recurring | Level 2 | Agency discount securities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Short-term investments, Amortized Cost	2,479	5,216
Short-term investments, Gross Unrealized Holding Gains		9
Short-term investments, Gross Unrealized Holding Losses	(3)
Short-term investments, Aggregated Fair Value	2,476	5,225
Recurring | Level 2 | Corporate Debt
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Short-term investments, Amortized Cost	3,159	10,488
Short-term investments, Gross Unrealized Holding Losses	(34)	(62)
Short-term investments, Aggregated Fair Value	$ 3,125	$ 10,426