Fair Value Measurements - Financial Assets Measured on a Recurring Basis (Details) - Fair Value Measurements Recurring Basis - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Financial assets measured at fair value on a recurring basis
Total financial assets	$ 103,628	$ 163,232
Royalty Fee Derivative Liability
Financial assets measured at fair value on a recurring basis
Total financial liabilities	1,490	1,490
Level 1
Financial assets measured at fair value on a recurring basis
Total financial assets	68,772	124,384
Level 2
Financial assets measured at fair value on a recurring basis
Total financial assets	34,856	38,848
Level 3 \| Royalty Fee Derivative Liability
Financial assets measured at fair value on a recurring basis
Total financial liabilities	1,490	1,490
U.S. government agency securities
Financial assets measured at fair value on a recurring basis
Total financial assets		3,803
U.S. government agency securities \| Level 1
Financial assets measured at fair value on a recurring basis
Total financial assets		3,803
U.S. treasury securities
Financial assets measured at fair value on a recurring basis
Total financial assets		42,303
U.S. treasury securities \| Level 1
Financial assets measured at fair value on a recurring basis
Total financial assets		42,303
Commercial paper and corporate notes
Financial assets measured at fair value on a recurring basis
Total financial assets	22,383	37,140
Commercial paper and corporate notes \| Level 2
Financial assets measured at fair value on a recurring basis
Total financial assets	22,383	37,140
Cash equivalents
Financial assets measured at fair value on a recurring basis
Total financial assets	81,245	79,986
Cash equivalents \| Level 1
Financial assets measured at fair value on a recurring basis
Total financial assets	68,772	78,278
Cash equivalents \| Level 2
Financial assets measured at fair value on a recurring basis
Total financial assets	$ 12,473	$ 1,708