Fair Value Measurements - Schedule of Fair Value of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Financial Assets:
Money market funds	$ 95,448	$ 83,991
Total financial assets	739,730	754,803
Liabilities:
CVR liability	56,950	26,680
Total liabilities	56,950	26,680
U.S. government treasury securities
Financial Assets:
Financial assets	257,180	266,064
U.S. government agency securities
Financial Assets:
Financial assets	136,040	119,590
Commercial paper
Financial Assets:
Financial assets	164,406	194,355
Corporate bonds
Financial Assets:
Financial assets	86,656	100,790
Money market funds
Financial Assets:
Money market funds	95,448	74,004
Level 1
Financial Assets:
Total financial assets	352,628	340,068
Liabilities:
CVR liability	0	0
Total liabilities	0	0
Level 1 | U.S. government treasury securities
Financial Assets:
Financial assets	257,180	266,064
Level 1 | U.S. government agency securities
Financial Assets:
Financial assets	0	0
Level 1 | Commercial paper
Financial Assets:
Financial assets	0	0
Level 1 | Corporate bonds
Financial Assets:
Financial assets	0	0
Level 1 | Money market funds
Financial Assets:
Money market funds	95,448	74,004
Level 2
Financial Assets:
Total financial assets	387,102	414,735
Liabilities:
CVR liability	0	0
Total liabilities	0	0
Level 2 | U.S. government treasury securities
Financial Assets:
Financial assets	0	0
Level 2 | U.S. government agency securities
Financial Assets:
Financial assets	136,040	119,590
Level 2 | Commercial paper
Financial Assets:
Financial assets	164,406	194,355
Level 2 | Corporate bonds
Financial Assets:
Financial assets	86,656	100,790
Level 2 | Money market funds
Financial Assets:
Money market funds	0	0
Level 3
Financial Assets:
Total financial assets	0	0
Liabilities:
CVR liability	56,950	26,680
Total liabilities	56,950	26,680
Level 3 | U.S. government treasury securities
Financial Assets:
Financial assets	0	0
Level 3 | U.S. government agency securities
Financial Assets:
Financial assets	0	0
Level 3 | Commercial paper
Financial Assets:
Financial assets	0	0
Level 3 | Corporate bonds
Financial Assets:
Financial assets	0	0
Level 3 | Money market funds
Financial Assets:
Money market funds	$ 0	$ 0