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Long-Term Debt, Net, and Other Borrowings - Additional Information (Details)
1 Months Ended 3 Months Ended 12 Months Ended
Jun. 19, 2020
USD ($)
Nov. 04, 2016
USD ($)
Jun. 30, 2019
USD ($)
Jun. 30, 2020
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
time
financial_covenant
Dec. 31, 2018
USD ($)
Debt Instrument [Line Items]              
Loss on extinguishment of debt     $ 3,200,000   $ 0 $ 3,196,000 $ 0
Capitalized debt issuance cost           $ 2,800,000  
Number of covenants | financial_covenant           2  
Election to increase the maximum total net leverage ratio, number of times | time           2  
Royalty percentage   0.50          
Progenics              
Debt Instrument [Line Items]              
Debt instrument, face amount   $ 50,000,000.0          
Interest rate   9.50%          
Progenics              
Debt Instrument [Line Items]              
Long-term debt and other borrowings $ 40,200,000            
Q1 2021              
Debt Instrument [Line Items]              
Total Net Leverage Ratio         5.50    
Thereafter              
Debt Instrument [Line Items]              
Total Net Leverage Ratio         3.50    
Amended 2019 Credit Agreement              
Debt Instrument [Line Items]              
Debt issuance costs 1,200,000            
Financial covenant requiring liquidity $ 150,000,000.0            
Amended 2019 Credit Agreement | Q1 2021              
Debt Instrument [Line Items]              
Line of credit facility, commitment fee percentage 0.50%            
LIBOR | Amended 2019 Credit Agreement | Q1 2021              
Debt Instrument [Line Items]              
Basis spread on variable rate (as a percent)       3.25%      
Base Rate | Amended 2019 Credit Agreement | Q1 2021              
Debt Instrument [Line Items]              
Basis spread on variable rate (as a percent)       2.25%      
Minimum | Amended 2019 Credit Agreement | Thereafter              
Debt Instrument [Line Items]              
Line of credit facility, commitment fee percentage 0.15%            
Minimum | LIBOR | Amended 2019 Credit Agreement | Thereafter              
Debt Instrument [Line Items]              
Basis spread on variable rate (as a percent)       1.50%      
Minimum | Base Rate | Amended 2019 Credit Agreement | Thereafter              
Debt Instrument [Line Items]              
Basis spread on variable rate (as a percent)       0.50%      
Maximum              
Debt Instrument [Line Items]              
Minimum interest coverage ratio           3.00  
Election to increase the maximum total net leverage ratio, amount           0.50  
Total Net Leverage Ratio           4.25  
Maximum | Amended 2019 Credit Agreement | Thereafter              
Debt Instrument [Line Items]              
Line of credit facility, commitment fee percentage 0.40%            
Maximum | LIBOR | Amended 2019 Credit Agreement | Thereafter              
Debt Instrument [Line Items]              
Basis spread on variable rate (as a percent)       3.00%      
Maximum | Base Rate | Amended 2019 Credit Agreement | Thereafter              
Debt Instrument [Line Items]              
Basis spread on variable rate (as a percent)       2.00%      
2017 Term Facility              
Debt Instrument [Line Items]              
Debt instrument, face amount     $ 275,000,000.0        
Debt instrument, term (in years)     5 years        
Repayments of debt     $ 73,000,000.0        
2019 Term Facility              
Debt Instrument [Line Items]              
Debt instrument, face amount     $ 200,000,000.0        
Debt instrument, term (in years)     5 years        
Additional borrowing capacity           $ 100,000,000.0  
Interest rate         3.40%    
2019 Term Facility | Minimum | LIBOR              
Debt Instrument [Line Items]              
Basis spread on variable rate (as a percent)           1.25%  
2019 Term Facility | Minimum | Base Rate              
Debt Instrument [Line Items]              
Basis spread on variable rate (as a percent)           0.25%  
2019 Term Facility | Maximum | LIBOR              
Debt Instrument [Line Items]              
Basis spread on variable rate (as a percent)           2.25%  
2019 Term Facility | Maximum | Base Rate              
Debt Instrument [Line Items]              
Basis spread on variable rate (as a percent)           1.25%  
2017 Revolving Facility              
Debt Instrument [Line Items]              
Debt instrument, face amount     $ 75,000,000.0        
Debt instrument, term (in years)     5 years        
Outstanding borrowings     $ 0        
2019 Revolving Facility              
Debt Instrument [Line Items]              
Debt instrument, face amount     $ 200,000,000.0        
Debt instrument, term (in years)     5 years        
2019 Revolving Facility | Minimum | LIBOR              
Debt Instrument [Line Items]              
Basis spread on variable rate (as a percent)           1.25%  
2019 Revolving Facility | Minimum | Base Rate              
Debt Instrument [Line Items]              
Basis spread on variable rate (as a percent)           0.25%  
2019 Revolving Facility | Minimum | Leverage Ratio Range              
Debt Instrument [Line Items]              
Basis spread on variable rate (as a percent)           0.15%  
2019 Revolving Facility | Maximum | LIBOR              
Debt Instrument [Line Items]              
Basis spread on variable rate (as a percent)           2.25%  
2019 Revolving Facility | Maximum | Base Rate              
Debt Instrument [Line Items]              
Basis spread on variable rate (as a percent)           1.25%  
2019 Revolving Facility | Maximum | Leverage Ratio Range              
Debt Instrument [Line Items]              
Basis spread on variable rate (as a percent)           0.30%  
Revolving Credit Facility              
Debt Instrument [Line Items]              
Debt instrument, face amount           $ 200,000,000.0  
Outstanding borrowings         $ 0    
Revolving Credit Facility | Letter of Credit              
Debt Instrument [Line Items]              
Debt instrument, face amount           20,000,000.0  
Revolving Credit Facility | Swingline Loan              
Debt Instrument [Line Items]              
Debt instrument, face amount           $ 10,000,000.0