Fair Value Measurements and Fair Value of Financial Instruments - Schedule of Fair Value and Amortized Cost of Cash Equivalents and Available-for-Sale Marketable Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost Basis	$ 367,657	$ 413,643
Unrealized Gains	19	6
Unrealized Losses	(1,600)	(141)
Estimated Fair Value	366,076	413,508
Cash and Cash Equivalents [Member]
Debt Securities, Available-for-Sale [Line Items]
Estimated Fair Value	112,146	240,420
Marketable Securities, Short-Term [Member]
Debt Securities, Available-for-Sale [Line Items]
Estimated Fair Value	227,778	135,412
Marketable Securities, Long-Term [Member]
Debt Securities, Available-for-Sale [Line Items]
Estimated Fair Value	26,152	37,676
Commercial Paper
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost Basis	174,478	141,726
Unrealized Gains	2	1
Unrealized Losses	(742)	(51)
Estimated Fair Value	173,738	141,676
US Treasury Bills [Member]
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost Basis	82,742	26,626
Unrealized Gains	6	1
Unrealized Losses	(684)	(37)
Estimated Fair Value	82,064	26,590
Money Market Investments (Included in Cash and Cash Equivalents)
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost Basis	53,583	181,528
Estimated Fair Value	53,583	181,528
Corporate Debt Securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost Basis	34,152	38,661
Unrealized Gains		4
Unrealized Losses		(16)
Estimated Fair Value	34,152	38,649
Us Government Agency Bonds [Member]
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost Basis	22,702	25,102
Unrealized Gains	11
Unrealized Losses	(174)	(37)
Estimated Fair Value	$ 22,539	$ 25,065