Marketable Securities - Schedule of Company's investing portfolio (Details) - Marketable securities - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Marketable Securities
COST	$ 1,190,801	$ 770,301
UNREALIZED GAINS	73	1,093
UNREALIZED LOSSES	(2,576)	(21)
FAIR VALUE	1,188,298	771,373
Maturities within one year
Marketable Securities
COST	867,566	597,742
UNREALIZED GAINS	62	912
UNREALIZED LOSSES	(1,273)	(11)
FAIR VALUE	866,355	598,643
Maturities between one and two years
Marketable Securities
COST	323,235	172,559
UNREALIZED GAINS	11	181
UNREALIZED LOSSES	(1,303)	(10)
FAIR VALUE	321,943	172,730
U.S. Treasury Securities \| Maturities within one year
Marketable Securities
COST	397,839	221,182
UNREALIZED GAINS	50	430
UNREALIZED LOSSES	(633)	0
FAIR VALUE	397,256	221,612
U.S. Treasury Securities \| Maturities between one and two years
Marketable Securities
COST	239,720	128,396
UNREALIZED GAINS	0	149
UNREALIZED LOSSES	(1,126)	0
FAIR VALUE	238,594	128,545
Debt securities issued by U.S. government agencies \| Maturities within one year
Marketable Securities
COST	66,501	127,796
UNREALIZED GAINS	5	324
UNREALIZED LOSSES	(57)	0
FAIR VALUE	66,449	128,120
Debt securities issued by U.S. government agencies \| Maturities between one and two years
Marketable Securities
COST	4,589	14,580
UNREALIZED GAINS	0	16
UNREALIZED LOSSES	(35)	0
FAIR VALUE	4,554	14,596
Commercial paper \| Maturities within one year
Marketable Securities
COST	106,327	69,534
UNREALIZED GAINS	0	22
UNREALIZED LOSSES	(106)	0
FAIR VALUE	106,221	69,556
Corporate Debt Securities \| Maturities within one year
Marketable Securities
COST	296,899	179,230
UNREALIZED GAINS	7	136
UNREALIZED LOSSES	(477)	(11)
FAIR VALUE	296,429	179,355
Corporate Debt Securities \| Maturities between one and two years
Marketable Securities
COST	78,926	29,583
UNREALIZED GAINS	11	16
UNREALIZED LOSSES	(142)	(10)
FAIR VALUE	$ 78,795	$ 29,589

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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