v3.22.4
FLEXION ACQUISITION - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
13 Months Ended 109 Months Ended
Nov. 19, 2021
Dec. 31, 2022
Dec. 31, 2030
Flexion      
Business Acquisition [Line Items]      
Consideration transferred $ 578,845    
Cash paid to acquire business 533,604    
Retirement of term loan 85,100    
Contingent value right 45,241    
Additional amount payable to holders of the CVRs 380,200    
Flexion | Developed technologies      
Business Acquisition [Line Items]      
Finite-lived intangible assets acquired $ 480,000    
Useful life 9 years 8 months 12 days    
Flexion | Developed technologies | Measurement Input, Discount Rate | Valuation, Income Approach      
Business Acquisition [Line Items]      
Discount rate, measurement input 17.50%    
Flexion | Acquired IPR&D      
Business Acquisition [Line Items]      
Finite-lived intangible assets acquired $ 60,000    
Flexion | Acquired IPR&D | Measurement Input, Discount Rate | Valuation Technique, Discounted Cash Flow      
Business Acquisition [Line Items]      
Projected future cash flows discounted, rate 18.00%    
Flexion | RSUs, In-The-Money Stock Options, and Common Stock      
Business Acquisition [Line Items]      
Cash paid to acquire business   $ 448,500  
Achievement of ZILRETTA Sales of $250 Million      
Business Acquisition [Line Items]      
Contingent value right (in dollars per share) $ 1.00    
Achievement of ZILRETTA Sales of $250 Million | Forecast      
Business Acquisition [Line Items]      
Annual product sales threshold     $ 250,000
Achievement of ZILRETTA Sales of $375 Million      
Business Acquisition [Line Items]      
Contingent value right (in dollars per share) 2.00    
Achievement of ZILRETTA Sales of $375 Million | Forecast      
Business Acquisition [Line Items]      
Annual product sales threshold     375,000
Achievement of ZILRETTA Sales of $500 Million      
Business Acquisition [Line Items]      
Contingent value right (in dollars per share) 3.00    
Achievement of ZILRETTA Sales of $500 Million | Forecast      
Business Acquisition [Line Items]      
Annual product sales threshold     $ 500,000
Achievement of FDA Approval of FX-201      
Business Acquisition [Line Items]      
Contingent value right (in dollars per share) 1.00    
Achievement of FDA Approval of FX-301      
Business Acquisition [Line Items]      
Contingent value right (in dollars per share) $ 1.00