Annual report pursuant to Section 13 and 15(d)

Debt - Schedule of Long-Term Debt (Details)

v3.20.4
Debt - Schedule of Long-Term Debt (Details) - USD ($)
12 Months Ended
Aug. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Debt Instrument [Line Items]      
Total debt principal payments   $ 979,219,000 $ 986,444,000
Less: Current portion of long-term debt   (8,225,000) (8,225,000)
Long-term debt   970,994,000 978,219,000
Takeback Loan Facility      
Debt Instrument [Line Items]      
Total debt principal payments $ 822,500,000    
Takeback Loan Facility | Takeback Loan Facility Due March 2024      
Debt Instrument [Line Items]      
Total debt principal payments   $ 812,219,000 820,444,000
Effective interest rate   8.00%  
Takeback Loan Facility | Takeback Loan Facility Due March 2024 | LIBOR      
Debt Instrument [Line Items]      
Basis spread on variable debt 6.50% 6.50%  
Floor on variable debt 1.25% 1.25%  
Takeback Loan Facility | Takeback Loan Facility Due March 2024 | Base Rate      
Debt Instrument [Line Items]      
Basis spread on variable debt 5.50%    
Term Loan | Term Loan Due July 2024      
Debt Instrument [Line Items]      
Total debt principal payments   $ 150,000,000 150,000,000
Effective interest rate   6.70%  
Term Loan | Term Loan Due July 2024 | LIBOR      
Debt Instrument [Line Items]      
Basis spread on variable debt   5.00%  
Floor on variable debt   1.50%  
Revolving Credit Facility | Revolving Credit Facility Due July 2024 | Revolving Credit Facility      
Debt Instrument [Line Items]      
Total debt principal payments   $ 17,000,000 $ 16,000,000
Effective interest rate   9.50%  
Revolving Credit Facility | Revolving Credit Facility Due July 2024 | Revolving Credit Facility | LIBOR      
Debt Instrument [Line Items]      
Basis spread on variable debt   5.00%  
Floor on variable debt   1.50%  
Revolving Credit Facility | Revolving Credit Facility Due July 2024 | Revolving Credit Facility | Base Rate      
Debt Instrument [Line Items]      
Basis spread on variable debt   4.00%  
Floor on variable debt   4.50%