Fair Value Measurement and Marketable Securities - Schedule of Financial Assets Measured and Recognized at Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Marketable securities, amortized cost	$ 278,313	$ 276,729
Marketable securities, gross unrealized gains	0	8
Marketable securities, gross unrealized losses	(3,629)	(720)
Marketable securities, estimated fair value	274,684	276,017
Amortized Cost	327,508	368,554
Estimated Fair Value	323,879	367,842
U.S. Government Securities | Level 1
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Marketable securities, amortized cost	140,484	122,657
Marketable securities, gross unrealized gains	0	0
Marketable securities, gross unrealized losses	(2,918)	(592)
Marketable securities, estimated fair value	137,566	122,065
Corporate Bonds | Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Marketable securities, amortized cost	72,275	76,628
Marketable securities, gross unrealized gains	0	8
Marketable securities, gross unrealized losses	(710)	(127)
Marketable securities, estimated fair value	71,565	76,509
Commercial Paper | Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Marketable securities, amortized cost	65,554	77,444
Marketable securities, gross unrealized gains	0	0
Marketable securities, gross unrealized losses	(1)	(1)
Marketable securities, estimated fair value	65,553	77,443
Money Market Funds | Level 1
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Money market funds, amortized Cost	49,195	91,825
Money market funds, estimated Fair Value	$ 49,195	$ 91,825