Marketable Securities - Summary of Marketable Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	$ 915,200	$ 970,269
Unrealized Gains	307	99
Unrealized Losses	(8,718)	(12,634)
Fair Value	906,789	957,734
Current:
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	642,218	652,339
Unrealized Gains	29	12
Unrealized Losses	(7,185)	(8,491)
Fair Value	635,062	643,860
Current: | U.S. Treasuries
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	47,187	68,175
Unrealized Gains	3	3
Unrealized Losses	(604)	(811)
Fair Value	46,586	67,367
Current: | Government securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	285,068	220,901
Unrealized Gains	25	8
Unrealized Losses	(4,320)	(5,289)
Fair Value	280,773	215,620
Current: | Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	309,963	363,263
Unrealized Gains	1	1
Unrealized Losses	(2,261)	(2,391)
Fair Value	307,703	360,873
Non-current:
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	272,982	317,930
Unrealized Gains	278	87
Unrealized Losses	(1,533)	(4,143)
Fair Value	271,727	313,874
Non-current: | U.S. Treasuries
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	11,617	17,418
Unrealized Gains	15	4
Unrealized Losses	(1)	(193)
Fair Value	11,631	17,229
Non-current: | Government securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	104,621	117,475
Unrealized Gains	88	7
Unrealized Losses	(564)	(1,659)
Fair Value	104,145	115,823
Non-current: | Corporate debt securities
Debt Securities, Available-for-sale [Line Items]
Amortized Cost	156,744	183,037
Unrealized Gains	175	76
Unrealized Losses	(968)	(2,291)
Fair Value	$ 155,951	$ 180,822