Marketable Securities - Schedule of Available-for-sale Securities in an Unrealized Loss Position (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Fair Value
Less Than 12 months, Fair Value	$ 30,920	$ 222,954
12 months or Greater, Fair Value	34,413	0
Total Fair Value	65,333	222,954
Unrealized Losses
Less Than 12 months, Gross Unrealized Losses	(21)	(578)
12 months or Greater, Gross Unrealized Losses	(24)	0
Total Gross Unrealized Losses	(45)	(578)
U.S. Treasury securities
Fair Value
Less Than 12 months, Fair Value	30,920	214,291
12 months or Greater, Fair Value	33,924	0
Total Fair Value	64,844	214,291
Unrealized Losses
Less Than 12 months, Gross Unrealized Losses	(21)	(566)
12 months or Greater, Gross Unrealized Losses	(23)	0
Total Gross Unrealized Losses	(44)	(566)
U.S. Government agency securities
Fair Value
Less Than 12 months, Fair Value		4,998
12 months or Greater, Fair Value		0
Total Fair Value		4,998
Unrealized Losses
Less Than 12 months, Gross Unrealized Losses		(2)
12 months or Greater, Gross Unrealized Losses		0
Total Gross Unrealized Losses		(2)
Negotiable certificates of deposit
Fair Value
Less Than 12 months, Fair Value	0	3,665
12 months or Greater, Fair Value	489	0
Total Fair Value	489	3,665
Unrealized Losses
Less Than 12 months, Gross Unrealized Losses	0	(10)
12 months or Greater, Gross Unrealized Losses	(1)	0
Total Gross Unrealized Losses	$ (1)	$ (10)