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Debt - Narrative (Details)
1 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2022
USD ($)
quarter
Sep. 30, 2021
USD ($)
Aug. 31, 2021
USD ($)
Aug. 31, 2020
USD ($)
Jun. 30, 2022
USD ($)
quarter
Jun. 30, 2021
USD ($)
Jun. 30, 2022
USD ($)
quarter
Jun. 30, 2021
USD ($)
Mar. 01, 2021
USD ($)
Liability For Sale of Future Royalties [Line Items]                  
Interest expense         $ 17,114,000 $ 7,836,000 $ 34,330,000 $ 15,567,000  
Senior secured debt | Sixth Street Financing Agreement                  
Liability For Sale of Future Royalties [Line Items]                  
Credit facility capacity $ 750,000,000     $ 500,000,000 750,000,000   750,000,000    
Increase in aggregate available under facility   $ 250,000,000              
Remaining credit facility capacity $ 125,000,000       $ 125,000,000   $ 125,000,000    
Company option for percentage of interest payable in kind (percent) 4.00%       4.00%   4.00%    
Number of fiscal quarters for Company option for interest payable in kind | quarter 8       8   8    
Debt covenant, minimum unrestricted cash balance $ 80,000,000       $ 80,000,000   $ 80,000,000    
Net sales for four consecutive quarters to waive minimum unrestricted cash balance requirement $ 400,000,000       $ 400,000,000   $ 400,000,000    
Number of consecutive quarters for minimum unrestricted cash balance requirement | quarter 4       4   4    
Senior secured debt | August 2020 Loans                  
Liability For Sale of Future Royalties [Line Items]                  
LIBOR rate floor (percent)             1.00%    
Contractual interest rate (percent) 11.25%       11.25%   11.25%    
Interest expense         $ 11,261,000   $ 22,262,000    
Senior secured debt | August 2020 Loans | LIBOR                  
Liability For Sale of Future Royalties [Line Items]                  
Basis spread on variable rate (percent)             9.00%    
Senior secured debt | Initial Term Loan                  
Liability For Sale of Future Royalties [Line Items]                  
Principal amount       275,000          
Net proceeds from term loan       262,200,000          
Effective interest rate (percent) 13.04%       13.04%   13.04%    
Senior secured debt | DDTL-2                  
Liability For Sale of Future Royalties [Line Items]                  
Principal amount     $ 125,000            
Net proceeds from term loan     $ 123,750,000            
Effective interest rate (percent) 12.25%       12.25%   12.25%    
Senior secured debt | September 2021 Loans                  
Liability For Sale of Future Royalties [Line Items]                  
LIBOR rate floor (percent)             1.00%    
Contractual interest rate (percent) 10.50%       10.50%   10.50%    
Interest expense         $ 5,648,000   $ 11,168,000    
Senior secured debt | September 2021 Loans | LIBOR                  
Liability For Sale of Future Royalties [Line Items]                  
Basis spread on variable rate (percent)             8.25%    
Senior secured debt | 2021 Term Loan                  
Liability For Sale of Future Royalties [Line Items]                  
Principal amount $ 125,000,000       $ 125,000,000   $ 125,000,000    
Net proceeds from term loan   119,722,000              
Effective interest rate (percent) 12.19%       12.19%   12.19%    
Senior secured debt | DDTL-1                  
Liability For Sale of Future Royalties [Line Items]                  
Principal amount $ 100,000,000       $ 100,000,000   $ 100,000,000    
Net proceeds from term loan   $ 97,778,000              
Effective interest rate (percent) 11.63%       11.63%   11.63%    
Senior secured debt | 2021 DDTL Commitment                  
Liability For Sale of Future Royalties [Line Items]                  
Number of fiscal quarters after termination date for Company option for interest payable in kind | quarter 7       7   7    
Net proceeds from term loan $ 123,307,000                
Effective interest rate (percent) 11.51%       11.51%   11.51%    
Senior secured debt | Sixth Street Financing Agreement, Immediately Available Delayed Draw                  
Liability For Sale of Future Royalties [Line Items]                  
Principal amount       100,000          
Senior secured debt | Sixth Street Financing Agreement, Delayed Draw Based on Milestone                  
Liability For Sale of Future Royalties [Line Items]                  
Principal amount       $ 125,000          
Component of principal amount previously related to sales milestone                 $ 125,000