v3.26.1
License, Acquisitions and Other Agreements - Taldefgrobep Alfa License Agreement (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
License and other agreements        
Milestone payment to be paid upon regulatory achievement $ 711,600,000   $ 711,600,000  
Research and development 100,814,000 $ 184,367,000 204,641,000 $ 371,951,000
BMS        
License and other agreements        
Research and development 0 $ 0 0 $ 0
BMS | Taldefgrobep Alfa License Agreement        
License and other agreements        
Milestone payment to be paid upon regulatory achievement $ 200,000,000   $ 200,000,000