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Intangibles, Net and Goodwill - Additional Information (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Aug. 02, 2023
May 31, 2023
Feb. 28, 2023
May 31, 2021
Dec. 31, 2023
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Indefinite-lived Intangible Assets [Line Items]                
Amortization expense           $ 46,400 $ 33,200 $ 27,500
Proceeds from selling rights to the royalties $ 98,000              
Gain on sale of RELISTOR licensed intangible asset associated with net sales royalties 5,000              
Accumulated amortization         $ 176,983 176,983 174,476  
Gain on sales of assets           51,789 0 15,263
Revenues           1,296,429 935,061 $ 425,208
License and Royalty Revenues, Sales-Based Milestone Payment                
Indefinite-lived Intangible Assets [Line Items]                
Revenues         15,000      
Cerveau Technologies, Inc                
Indefinite-lived Intangible Assets [Line Items]                
Payment for acquisitions   $ 10,000 $ 35,300          
Asset acquisition, consideration transferred   $ 10,000            
Research and development                
Indefinite-lived Intangible Assets [Line Items]                
Impairment           $ 15,600    
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]           Research and development    
Cost of goods sold                
Indefinite-lived Intangible Assets [Line Items]                
Impairment           $ 116,400    
Impairment, Intangible Asset, Indefinite-Lived (Excluding Goodwill), Statement of Income or Comprehensive Income [Extensible Enumeration]           Cost of goods sold    
IPR & D                
Indefinite-lived Intangible Assets [Line Items]                
Decrease in indefinite lived assets       $ 132,800        
Currently marketed product                
Indefinite-lived Intangible Assets [Line Items]                
Finite-lived intangible assets, period increase (decrease)       $ 132,800        
Cost         132,800 $ 132,800 275,700  
Accumulated amortization         38,277 38,277 47,628  
Licenses                
Indefinite-lived Intangible Assets [Line Items]                
Cost 63,600       22,233 22,233 85,800  
Accumulated amortization $ 17,500       $ 7,972 $ 7,972 $ 19,101