Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Financial Assets
Total financial assets	$ 601,405	$ 336,953
Liabilities:
Total liabilities	61,700	42,700
U.S. government treasury securities
Financial Assets
Total financial assets	227,244	32,843
U.S. government agency securities
Financial Assets
Total financial assets	86,681	16,257
Commercial paper
Financial Assets
Total financial assets	165,130	104,141
Corporate bonds
Financial Assets
Total financial assets	56,448	33,064
CVR liability
Liabilities:
Total liabilities	61,700	42,700
Money market funds
Financial Assets
Total financial assets	65,902	150,648
Level 1
Financial Assets
Total financial assets	293,146	183,491
Liabilities:
Total liabilities	0	0
Level 1 | U.S. government treasury securities
Financial Assets
Total financial assets	227,244	32,843
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 1 | Money market funds
Financial Assets
Total financial assets	65,902	150,648
Level 2
Financial Assets
Total financial assets	308,259	153,462
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	86,681	16,257
Level 2 | Commercial paper
Financial Assets
Total financial assets	165,130	104,141
Level 2 | Corporate bonds
Financial Assets
Total financial assets	56,448	33,064
Level 2 | CVR liability
Liabilities:
Total liabilities	0	0
Level 2 | Money market funds
Financial Assets
Total financial assets	0	0
Level 3
Financial Assets
Total financial assets	0	0
Liabilities:
Total liabilities	61,700	42,700
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
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	61,700	42,700
Level 3 | Money market funds
Financial Assets
Total financial assets	$ 0	$ 0