Marketable Securities - Schedule of Available-for-sale Marketable Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Marketable Securities [Line Items]
Amortized Cost	$ 4,065,166	$ 2,939,623
Unrealized Gain	8,502	5,081
Unrealized Losses	(137)	(2,628)
Fair Value	4,073,531	2,942,076
Corporate debt securities
Marketable Securities [Line Items]
Amortized Cost	2,577,421	1,893,599
Unrealized Gain	6,103	4,243
Unrealized Losses	(131)	(1,801)
Fair Value	2,583,393	1,896,041
U.S. government treasury securities
Marketable Securities [Line Items]
Amortized Cost	693,907	466,765
Unrealized Gain	1,993	484
Unrealized Losses	(6)	(789)
Fair Value	695,894	466,460
Commercial paper
Marketable Securities [Line Items]
Amortized Cost	599,663	390,058
Unrealized Gain	304	241
Unrealized Losses	0	(16)
Fair Value	599,967	390,283
Certificates of deposit
Marketable Securities [Line Items]
Amortized Cost	192,685	187,711
Unrealized Gain	99	113
Unrealized Losses	0	(22)
Fair Value	192,784	187,802
U.S. government agency securities
Marketable Securities [Line Items]
Amortized Cost	1,490	1,490
Unrealized Gain	3	0
Unrealized Losses	0	0
Fair Value	$ 1,493	$ 1,490

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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