Marketable Securities - Summary of Marketable Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Debt Securities, Available-for-Sale [Line Items]
Marketable securities held, Amortized Cost	$ 807,627	$ 753,377
Marketable securities held, Gross Unrealized Gains	145	1,077
Marketable securities held, Gross Unrealized Losses	(1,066)	(473)
Marketable securities held, Fair Value	806,706	753,981
Commercial Paper
Debt Securities, Available-for-Sale [Line Items]
Available-for-sale, Amortized Cost	248,931	285,054
Available-for-sale, Gross Unrealized Gains	53	250
Available-for-sale, Gross Unrealized Losses	(218)	(15)
Available-for-sale, Fair Value	248,766	285,289
Corporate Notes
Debt Securities, Available-for-Sale [Line Items]
Available-for-sale, Amortized Cost	57,238	23,462
Available-for-sale, Gross Unrealized Gains	4	63
Available-for-sale, Gross Unrealized Losses	(128)
Available-for-sale, Fair Value	57,114	23,525
U.S. Treasury Securities
Debt Securities, Available-for-Sale [Line Items]
Available-for-sale, Amortized Cost	237,513	151,805
Available-for-sale, Gross Unrealized Gains	33	436
Available-for-sale, Gross Unrealized Losses	(427)	(94)
Available-for-sale, Fair Value	237,119	152,147
Corporate Equity Securities
Debt Securities, Available-for-Sale [Line Items]
Equity securities, Amortized Cost	18,522	21,875
Equity securities, Fair Value	18,522	21,875
U.S Government Securities
Debt Securities, Available-for-Sale [Line Items]
Available-for-sale, Amortized Cost	245,423	271,181
Available-for-sale, Gross Unrealized Gains	55	328
Available-for-sale, Gross Unrealized Losses	(293)	(364)
Available-for-sale, Fair Value	$ 245,185	$ 271,145