Revenue - Disaggregation (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Revenues:
Total revenues	$ 20,731	$ 26,195	$ 38,430	$ 41,583
Collaboration Agreement
Revenues:
Total revenues	$ 20,731	18,695	$ 38,430	34,083
Licensing and Milestone
Revenues:
Total revenues		$ 7,500		$ 7,500

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details