v3.25.2
Related Party Transactions - Narrative (Details) - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended
Apr. 16, 2021
Dec. 08, 2017
Jan. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Mar. 31, 2025
Dec. 31, 2024
Mar. 31, 2024
Dec. 31, 2023
Related Party Transaction [Line Items]                      
Total current and non-current financial royalty assets, net       $ 15,977,229,000   $ 15,977,229,000     $ 15,910,928,000    
Upfront payment for financial royalty assets           2,171,000 $ 814,712,000        
Shareholders' equity       9,502,940,000 $ 9,751,818,000 9,502,940,000 9,751,818,000 $ 9,788,657,000 10,342,366,000 $ 9,863,716,000 $ 10,084,289,000
Treasury Stock                      
Related Party Transaction [Line Items]                      
Shareholders' equity       (2,612,000) (2,661,000) (2,612,000) (2,661,000) (2,654,000) (2,662,000) (2,654,000) (2,629,000)
Non-Controlling Interests                      
Related Party Transaction [Line Items]                      
Shareholders' equity       3,155,030,000 3,275,566,000 3,155,030,000 3,275,566,000 $ 3,100,010,000 3,395,785,000 $ 3,363,965,000 $ 3,557,792,000
Related Party | Bristol-Myers Squibb                      
Related Party Transaction [Line Items]                      
Total current and non-current financial royalty assets, net       $ 27,600,000   $ 27,600,000     44,700,000    
Related Party | Errol De Souza                      
Related Party Transaction [Line Items]                      
Upfront payment for financial royalty assets     $ 2,500,000                
Milestone payment received     $ 2,220,000                
Operating and Personnel Payments | Related Party                      
Related Party Transaction [Line Items]                      
Quarterly payments to affiliates, percent of adjusted cash receipts (as percent)       6.50%   6.50%          
Quarterly payments to affiliates, percent of security investment (as percent)       0.25%   0.25%          
Operating and personnel payments incurred       $ 23,800,000   $ 113,600,000          
Former Operating and Personnel Payments | Related Party                      
Related Party Transaction [Line Items]                      
Operating and personnel payments incurred         $ 41,100,000   $ 89,400,000        
Assignment Agreement - Benefit of Payment Stream | Bristol-Myers Squibb                      
Related Party Transaction [Line Items]                      
Related party, rate (as percent)   50.00%                  
Assignment Agreement - Funding Obligations | Bristol-Myers Squibb                      
Related Party Transaction [Line Items]                      
Related party, rate (as percent)   50.00%                  
Agreement with MSCI                      
Related Party Transaction [Line Items]                      
Initial term (in years) 7 years                    
Agreement with MSCI | Related Party | MSCI                      
Related Party Transaction [Line Items]                      
Amounts of transaction, related parties       0   $ 0     0    
Acquisition Of Limited Partnership Interests In Affiliate | Related Party                      
Related Party Transaction [Line Items]                      
Number of limited partnership interest acquired (in shares)           27,210          
Acquisition Of Limited Partnership Interests In Affiliate | Related Party | Treasury Stock                      
Related Party Transaction [Line Items]                      
Shareholders' equity       4,300,000   $ 4,300,000          
Acquisition Of Limited Partnership Interests In Affiliate | Related Party | Non-Controlling Interests                      
Related Party Transaction [Line Items]                      
Shareholders' equity       $ 1,700,000   $ 1,700,000     $ 1,600,000