v3.20.4
Long-Term Debt - Additional Information (Details) - USD ($)
Dec. 31, 2020
Sep. 29, 2020
Jun. 10, 2016
Senior Notes | 2023 Notes      
Debt Instrument [Line Items]      
Debt instrument face amount     $ 645,000,000
Debt instrument, percentage rate 9.25%   9.25%
Minimum percentage of notes held in order to cause acceleration of notes upon occurrence of events of default     25.00%
Senior Notes | 2021 Notes      
Debt Instrument [Line Items]      
Debt instrument, percentage rate 6.50%    
Line of Credit | ABL Credit Agreement | Revolving credit facility      
Debt Instrument [Line Items]      
Debt instrument face amount   $ 35,000,000  
Available increase in borrowing limit   $ 25,000,000