v3.26.1
Summary of Significant Accounting Policies - Liabilities related to future royalties and milestones, net and related interest expense accrued on liabilities related to future royalties and milestones, net and cumulative catch-up adjustment (Narrative) (Details)
Dec. 31, 2025
Dec. 31, 2024
Strategic Collaboration and Financing Agreement    
Debt Instrument [Line Items]    
Imputed rate of interest on the unamortized portion of the liability (as a percent) 15.80% 15.80%
BioNTech Liability    
Debt Instrument [Line Items]    
Imputed rate of interest on the unamortized portion of the liability (as a percent) 28.70% 28.70%