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COMMITMENTS AND CONTINGENCIES (Details)
3 Months Ended 12 Months Ended
Feb. 03, 2022
USD ($)
Sep. 14, 2021
USD ($)
Aug. 23, 2017
action
defendant
Mar. 31, 2021
USD ($)
Dec. 31, 2021
USD ($)
case
Dec. 31, 2020
USD ($)
Legal matters            
Legal contingency accrual         $ 3,400,000 $ 0
Loss on contingency provision         $ 10,600,000  
Insurance reimbursement       $ 5,000,000    
Securities Class Action Lawsuit            
Legal matters            
Number of defendants | defendant     2      
Number of shareholder derivative actions filed | action     5      
Multidistrict Opioid Litigation            
Legal matters            
Number of industry-wide opioid litigation cases (more than) | case         2,000  
Glumetza Antitrust Litigation            
Legal matters            
Litigation settlement, amount awarded to other party   $ 3,150,000        
Glumetza Antitrust Litigation | Subsequent Event            
Legal matters            
Litigation settlement, amount awarded to other party $ 3,850,000