Marketable Securities - Schedule of Company's investing portfolio (Details) - Marketable securities - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Marketable Securities
COST	$ 807,191	$ 770,301
UNREALIZED GAINS	271	1,093
UNREALIZED LOSSES	(1,020)	(21)
FAIR VALUE	806,442	771,373
Maturities within one year
Marketable Securities
COST	608,184	597,742
UNREALIZED GAINS	256	912
UNREALIZED LOSSES	(352)	(11)
FAIR VALUE	608,088	598,643
Maturities between one and two years
Marketable Securities
COST	199,007	172,559
UNREALIZED GAINS	15	181
UNREALIZED LOSSES	(668)	(10)
FAIR VALUE	198,354	172,730
U.S. Treasury Securities \| Maturities within one year
Marketable Securities
COST	274,711	221,182
UNREALIZED GAINS	133	430
UNREALIZED LOSSES	(104)	0
FAIR VALUE	274,740	221,612
U.S. Treasury Securities \| Maturities between one and two years
Marketable Securities
COST	155,403	128,396
UNREALIZED GAINS	12	149
UNREALIZED LOSSES	(528)	0
FAIR VALUE	154,887	128,545
Debt securities issued by U.S. government agencies \| Maturities within one year
Marketable Securities
COST	107,724	127,796
UNREALIZED GAINS	92	324
UNREALIZED LOSSES	(26)	0
FAIR VALUE	107,790	128,120
Debt securities issued by U.S. government agencies \| Maturities between one and two years
Marketable Securities
COST	8,557	14,580
UNREALIZED GAINS	0	16
UNREALIZED LOSSES	(21)	0
FAIR VALUE	8,536	14,596
Commercial paper \| Maturities within one year
Marketable Securities
COST	19,288	69,534
UNREALIZED GAINS	0	22
UNREALIZED LOSSES	(6)	0
FAIR VALUE	19,282	69,556
Corporate Debt Securities \| Maturities within one year
Marketable Securities
COST	206,461	179,230
UNREALIZED GAINS	31	136
UNREALIZED LOSSES	(216)	(11)
FAIR VALUE	206,276	179,355
Corporate Debt Securities \| Maturities between one and two years
Marketable Securities
COST	35,047	29,583
UNREALIZED GAINS	3	16
UNREALIZED LOSSES	(119)	(10)
FAIR VALUE	$ 34,931	$ 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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