v3.26.1
Collaborations, Licensing and Other Arrangements - Summary of UT Revenue (Parenthetical) (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]        
Total revenue from UT $ 109,374 $ 76,527 $ 199,544 $ 154,881
United Therapeutics Corporation        
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]        
Total revenue from UT $ 66,892 $ 53,452 122,655 112,275
United Therapeutics Corporation | Contract Asset        
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]        
Total revenue from UT     $ 29,100 $ 28,100