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Marketable Securities - Schedule of Available-for-sale Marketable Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Marketable Securities [Line Items]
Amortized Cost	$ 3,364,403	$ 2,939,623
Unrealized Gain	6,429	5,081
Unrealized Losses	(1,012)	(2,628)
Fair Value	3,369,820	2,942,076
Corporate debt securities
Marketable Securities [Line Items]
Amortized Cost	2,339,091	1,893,599
Unrealized Gain	5,659	4,243
Unrealized Losses	(695)	(1,801)
Fair Value	2,344,055	1,896,041
Commercial paper
Marketable Securities [Line Items]
Amortized Cost	419,851	390,058
Unrealized Gain	71	241
Unrealized Losses	(21)	(16)
Fair Value	419,901	390,283
U.S. government treasury securities
Marketable Securities [Line Items]
Amortized Cost	398,871	466,765
Unrealized Gain	641	484
Unrealized Losses	(293)	(789)
Fair Value	399,219	466,460
Certificates of deposit
Marketable Securities [Line Items]
Amortized Cost	205,100	187,711
Unrealized Gain	53	113
Unrealized Losses	(3)	(22)
Fair Value	205,150	187,802
U.S. government agency securities
Marketable Securities [Line Items]
Amortized Cost	1,490	1,490
Unrealized Gain	5	0
Unrealized Losses	0	0
Fair Value	$ 1,495	$ 1,490

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