Fair Value Measurement - Summary of Financial Assets Measured at fair value On Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	$ 289,120	$ 252,605
U.S. treasury securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	39,630	33,874
Corporate Bond Securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	184,380	182,052
Cash and Cash Equivalents | Money Market Funds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	65,110	36,679
Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	92,730	62,685
Level 1 | U.S. treasury securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	27,620	26,006
Level 1 | Corporate Bond Securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	0	0
Level 1 | Cash and Cash Equivalents
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	65,110
Level 1 | Cash and Cash Equivalents | Money Market Funds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds		36,679
Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	196,390	189,920
Level 2 | U.S. treasury securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	12,010	7,868
Level 2 | Corporate Bond Securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	184,380	182,052
Level 2 | Cash and Cash Equivalents | Money Market Funds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	0	0
Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	0	0
Level 3 | U.S. treasury securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	0	0
Level 3 | Corporate Bond Securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	0	0
Level 3 | Cash and Cash Equivalents | Money Market Funds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	$ 0	$ 0