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Marketable Securities - Schedule of Marketable Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 1,278,727	$ 410,144
Unrealized Gains	3,372	703
Unrealized Losses	(470)	(578)
Estimated Fair Value, current	1,281,629	410,269
Estimated Fair Value	1,281,629	410,269
U.S. Treasury securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost, current	947,916	301,053
Amortized Cost, noncurrent	330,321	98,701
Estimated Fair Value, current	949,990	300,625
Estimate Fair Value, noncurrent	331,149	99,265
U.S. Treasury securities | 1 or less
Schedule Of Available For Sale Securities [Line Items]
Unrealized Gains	2,154	102
Unrealized Losses	(80)	(530)
U.S. Treasury securities | 1 - 2
Schedule Of Available For Sale Securities [Line Items]
Unrealized Gains	1,218	600
Unrealized Losses	(390)	(36)
U.S. Government agency securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost, current		5,000
Estimated Fair Value, current		4,998
U.S. Government agency securities | 1 or less
Schedule Of Available For Sale Securities [Line Items]
Unrealized Gains		0
Unrealized Losses		(2)
Negotiable certificates of deposit
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost, current	490	4,410
Amortized Cost, noncurrent		980
Estimated Fair Value, current	490	4,407
Estimate Fair Value, noncurrent		974
Negotiable certificates of deposit | 1 or less
Schedule Of Available For Sale Securities [Line Items]
Unrealized Gains	0	1
Unrealized Losses	$ 0	(4)
Negotiable certificates of deposit | 1 - 2
Schedule Of Available For Sale Securities [Line Items]
Unrealized Gains		0
Unrealized Losses		$ (6)

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