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Deferred Royalty Obligations, Net - Additional Information (Details) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended
Jun. 27, 2025
Jan. 17, 2024
Jun. 30, 2025
Dec. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Deferred Royalty Obligations [Line Items]                
Amortization of debt discount and issuance costs         $ 1,436 $ 937 $ 2,548 $ 1,868
Funding Agreement                
Deferred Royalty Obligations [Line Items]                
Funding payment received, net of certain transaction expenses   $ 500,000   $ 500,000        
Percentage of royalty interest payments on net sales   5.00%            
Royalty interest payments equal to cap amount   $ 950,000            
Royalty interest payments may adjust to maximum rate   10.00%            
Interest expense         25,800   49,800  
Amortization of debt discount and issuance costs         3,300   6,300  
Net cash proceeds       472,500        
Royalty obligation debt discount and issuance costs paid in cash       27,500        
Fair value of embedded derivatives liability     $ 35,600 41,100 $ 35,600   $ 35,600  
Effective interest rate     20.40%   20.40%   20.40%  
Funding Agreement | Other Current Liabilities                
Deferred Royalty Obligations [Line Items]                
Royalty interest payable     $ 3,900 $ 100 $ 3,900   $ 3,900  
Royalty Interest Purchase and Sale Agreement | Eidos Therapeutics, Inc                
Deferred Royalty Obligations [Line Items]                
Cash purchased price $ 300,000              
Percentage of royalty payment equal to annual cap 60.00%              
Annual net sales $ 500,000              
Percentage of purchase price equal to hard cap 145.00%              
Proceeds from royalty obligation under interest purchase and sale agreement     297,000          
Royalty obligation debt issuance costs     $ 3,000          
Royalty Purchase Agreement                
Deferred Royalty Obligations [Line Items]                
Interest expense         $ 300   $ 300  
Effective interest rate     10.80%   10.80%   10.80%  
Royalty Purchase Agreement | Other Current Liabilities                
Deferred Royalty Obligations [Line Items]                
Royalty interest payable     $ 900   $ 900   $ 900