Fair Value Measurement - Summary of Financial Assets Measured at fair value On Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	$ 350,759	$ 425,835
Money Market Funds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	329,678	412,070
Commercial Paper
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	6,282	5,580
U.S. treasury securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	11,985	6,057
Corporate bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	2,814	2,128
Level 1
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	341,663	418,127
Level 1 | Money Market Funds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	329,678	412,070
Level 1 | Commercial Paper
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	0	0
Level 1 | U.S. treasury securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	11,985	6,057
Level 1 | Corporate bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	0	0
Level 2
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	9,096	7,708
Level 2 | Money Market Funds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	0	0
Level 2 | Commercial Paper
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	6,282	5,580
Level 2 | U.S. treasury securities
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	0	0
Level 2 | Corporate bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	2,814	2,128
Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	0	0
Level 3 | Money Market Funds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	0	0
Level 3 | Commercial Paper
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 bonds
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Money market funds	$ 0	$ 0