Cash, Cash Equivalents, and Marketable Securities - Schedule of Unrealized Loss Position on Investments (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than twelve months	$ 858,111	$ 89,344
Gross Unrealized Loss, Less than twelve months	(3,262)	(28)
Fair Value, More than twelve months	0	0
Gross Unrealized Loss, More than twelve months	0	0
Fair Value, Total	858,111	89,344
Gross Unrealized Loss, Total	(3,262)	(28)
U.S. agency securities
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than twelve months	77,978	3,267
Gross Unrealized Loss, Less than twelve months	(331)	(1)
Fair Value, More than twelve months	0	0
Gross Unrealized Loss, More than twelve months	0	0
Fair Value, Total	77,978	3,267
Gross Unrealized Loss, Total	(331)	(1)
U.S. treasury securities
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than twelve months	351,152	959
Gross Unrealized Loss, Less than twelve months	(1,837)	0
Fair Value, More than twelve months	0	0
Gross Unrealized Loss, More than twelve months	0	0
Fair Value, Total	351,152	959
Gross Unrealized Loss, Total	(1,837)	0
Commercial paper
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than twelve months	161,626	58,091
Gross Unrealized Loss, Less than twelve months	(52)	(12)
Fair Value, More than twelve months	0	0
Gross Unrealized Loss, More than twelve months	0	0
Fair Value, Total	161,626	58,091
Gross Unrealized Loss, Total	(52)	(12)
Corporate bonds
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss [Abstract]
Fair Value, Less than twelve months	267,355	27,027
Gross Unrealized Loss, Less than twelve months	(1,042)	(15)
Fair Value, More than twelve months	0	0
Gross Unrealized Loss, More than twelve months	0	0
Fair Value, Total	267,355	27,027
Gross Unrealized Loss, Total	$ (1,042)	$ (15)

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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