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Commitments and Contingencies - Narrative (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Apr. 01, 2019
Mar. 31, 2019
Mar. 31, 2022
Dec. 31, 2021
Sep. 30, 2014
Long-term Purchase Commitment [Line Items]          
Nonrecourse liability related to sale of future royalties, long term         $ 30.0
NAMENDA XR/Namzaric Qui Tam Litigation          
Long-term Purchase Commitment [Line Items]          
Loss contingency, damages sought, value $ 2,500.0        
USWM Acquisition          
Long-term Purchase Commitment [Line Items]          
Annual minimum purchase quantity requirement amount       $ 3.9  
Commitment period     5 years    
Spend commitment amount     $ 0.0    
Payment to resolve U.S. Department of Justice allegations   $ 17.5