Marketable Securities - Summary of Marketable Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Debt Securities, Available-for-Sale [Line Items]
Marketable securities held, Amortized Cost	$ 935,291	$ 949,155
Marketable securities held, Gross Unrealized Gains	61	1,185
Marketable securities held, Gross Unrealized Losses	(2,250)	(74)
Marketable securities held, Fair Value	933,102	950,266
Commercial Paper
Debt Securities, Available-for-Sale [Line Items]
Available-for-sale, Amortized Cost	301,061	304,861
Available-for-sale, Gross Unrealized Gains	7	162
Available-for-sale, Gross Unrealized Losses	(447)	(64)
Available-for-sale, Fair Value	300,621	304,959
Corporate Notes
Debt Securities, Available-for-Sale [Line Items]
Available-for-sale, Amortized Cost	120,007	149,928
Available-for-sale, Gross Unrealized Gains	1	128
Available-for-sale, Gross Unrealized Losses	(123)	(10)
Available-for-sale, Fair Value	119,885	150,046
U.S. Treasury Securities
Debt Securities, Available-for-Sale [Line Items]
Available-for-sale, Amortized Cost	469,656	462,112
Available-for-sale, Gross Unrealized Gains	53	872
Available-for-sale, Gross Unrealized Losses	(1,547)
Available-for-sale, Fair Value	468,162	462,984
U.S Government Securities
Debt Securities, Available-for-Sale [Line Items]
Available-for-sale, Amortized Cost	38,632	26,673
Available-for-sale, Gross Unrealized Gains		23
Available-for-sale, Gross Unrealized Losses	(133)
Available-for-sale, Fair Value	38,499	26,696
Corporate Equity Securities
Debt Securities, Available-for-Sale [Line Items]
Equity securities, Amortized Cost	5,935	5,581
Equity securities, Fair Value	$ 5,935	$ 5,581

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