Marketable Securities - Summary of Marketable Securities in Unrealized Loss Positions (Details) $ in Thousands	Mar. 31, 2022 USD ($) MarketableSecurity	Dec. 31, 2021 MarketableSecurity
Schedule Of Available For Sale Securities [Line Items]
Marketable securities in continuous unrealized loss position for greater than 12 months, Number of securities | MarketableSecurity		0
Total marketable securities in unrealized loss position, Number of securities | MarketableSecurity	131
Total marketable securities in unrealized loss position, Fair Value	$ 373,152
Total marketable securities in unrealized loss position, Gross Unrealized Losses	$ (3,650)
Corporate Debt Securities
Schedule Of Available For Sale Securities [Line Items]
Marketable securities in continuous unrealized loss position for less than 12 months, Number of securities | MarketableSecurity	99
Marketable securities in continuous unrealized loss position for greater than 12 months, Number of securities | MarketableSecurity	15
Marketable securities in continuous unrealized loss position for less than 12 months, Fair Value	$ 269,361
Marketable securities in continuous unrealized loss position for greater than 12 months, Fair Value	26,881
Marketable securities in continuous unrealized loss position for less than 12 months, Gross Unrealized Losses	(2,322)
Marketable securities in continuous unrealized loss position for greater than 12 months, Gross Unrealized Losses	$ (105)
U.S. Government Debt Securities
Schedule Of Available For Sale Securities [Line Items]
Marketable securities in continuous unrealized loss position for less than 12 months, Number of securities | MarketableSecurity	11
Marketable securities in continuous unrealized loss position for less than 12 months, Fair Value	$ 51,058
Marketable securities in continuous unrealized loss position for less than 12 months, Gross Unrealized Losses	$ (912)
U.S. Treasury Securities
Schedule Of Available For Sale Securities [Line Items]
Marketable securities in continuous unrealized loss position for less than 12 months, Number of securities | MarketableSecurity	6
Marketable securities in continuous unrealized loss position for less than 12 months, Fair Value	$ 25,852
Marketable securities in continuous unrealized loss position for less than 12 months, Gross Unrealized Losses	$ (311)