Fair Value Measurements - Schedule of Fair Value of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Financial Assets:
Total financial assets	$ 524,878	$ 601,405
Liabilities:
Total liabilities	59,900	61,700
U.S. government treasury securities
Financial Assets:
Total financial assets	221,646	227,244
U.S. government agency securities
Financial Assets:
Total financial assets	70,526	86,681
Commercial paper
Financial Assets:
Total financial assets	89,178	165,130
Corporate bonds
Financial Assets:
Total financial assets	63,571	56,448
CVR liability
Liabilities:
Total liabilities	59,900	61,700
Level 1
Financial Assets:
Total financial assets	301,603	293,146
Liabilities:
Total liabilities	0	0
Level 1 | U.S. government treasury securities
Financial Assets:
Total financial assets	221,646	227,244
Level 1 | U.S. government agency securities
Financial Assets:
Total financial assets	0	0
Level 1 | Commercial paper
Financial Assets:
Total financial assets	0	0
Level 1 | Corporate bonds
Financial Assets:
Total financial assets	0	0
Level 1 | CVR liability
Liabilities:
Total liabilities	0	0
Level 2
Financial Assets:
Total financial assets	223,275	308,259
Liabilities:
Total liabilities	0	0
Level 2 | U.S. government treasury securities
Financial Assets:
Total financial assets	0	0
Level 2 | U.S. government agency securities
Financial Assets:
Total financial assets	70,526	86,681
Level 2 | Commercial paper
Financial Assets:
Total financial assets	89,178	165,130
Level 2 | Corporate bonds
Financial Assets:
Total financial assets	63,571	56,448
Level 2 | CVR liability
Liabilities:
Total liabilities	0	0
Level 3
Financial Assets:
Total financial assets	0	0
Liabilities:
Total liabilities	59,900	61,700
Level 3 | U.S. government treasury securities
Financial Assets:
Total financial assets	0	0
Level 3 | U.S. government agency securities
Financial Assets:
Total financial assets	0	0
Level 3 | Commercial paper
Financial Assets:
Total financial assets	0	0
Level 3 | Corporate bonds
Financial Assets:
Total financial assets	0	0
Level 3 | CVR liability
Liabilities:
Total liabilities	59,900	61,700
Money market funds
Financial Assets:
Total financial assets	79,957	65,902
Money market funds | Level 1
Financial Assets:
Total financial assets	79,957	65,902
Money market funds | Level 2
Financial Assets:
Total financial assets	0	0
Money market funds | Level 3
Financial Assets:
Total financial assets	$ 0	$ 0