Marketable Securities - Schedule of Marketable Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 410,144	$ 273,029
Unrealized Gains	703	3
Unrealized Losses	(578)	(2,701)
Estimated Fair Value, current	410,269	270,331
Estimated Fair Value	410,269	270,331
U.S. Treasury securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost, current	301,053	230,349
Amortized Cost, noncurrent	98,701	16,919
Estimated Fair Value, current	300,625	228,067
Estimate Fair Value, noncurrent	99,265	16,878
U.S. Treasury securities \| 1 or less
Schedule Of Available For Sale Securities [Line Items]
Unrealized Gains	102	1
Unrealized Losses	(530)	(2,283)
U.S. Treasury securities \| 1 - 2
Schedule Of Available For Sale Securities [Line Items]
Unrealized Gains	600	0
Unrealized Losses	(36)	(41)
U.S. Government agency securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost, current	5,000	5,000
Estimated Fair Value, current	4,998	4,966
U.S. Government agency securities \| 1 or less
Schedule Of Available For Sale Securities [Line Items]
Unrealized Gains	0	0
Unrealized Losses	(2)	(34)
Negotiable certificates of deposit
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost, current	4,410	3,911
Amortized Cost, noncurrent	980	490
Estimated Fair Value, current	4,407	3,855
Estimate Fair Value, noncurrent	974	491
Negotiable certificates of deposit \| 1 or less
Schedule Of Available For Sale Securities [Line Items]
Unrealized Gains	1	1
Unrealized Losses	(4)	(57)
Negotiable certificates of deposit \| 1 - 2
Schedule Of Available For Sale Securities [Line Items]
Unrealized Gains	0	1
Unrealized Losses	$ (6)	0
Corporate debt securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost, current		16,360
Estimated Fair Value, current		16,074
Corporate debt securities \| 1 or less
Schedule Of Available For Sale Securities [Line Items]
Unrealized Gains		0
Unrealized Losses		$ (286)

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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