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Long-Term Debt - 8% Senior Secured Notes, Due 2027 - Additional Information (Details) - Senior Secured Notes at 8% Due 2027 - USD ($)
12 Months Ended
Nov. 19, 2019
Dec. 31, 2021
Dec. 31, 2020
Debt Instrument [Line Items]      
Debt instrument aggregate principal amount $ 700,000,000    
Debt instrument stated interest rate 8.00%    
Senior Secured Notes      
Debt Instrument [Line Items]      
Debt instrument aggregate principal amount $ 700,000,000    
Debt instrument stated interest rate 8.00% 8.00% 8.00%
Maximum principal redeemable using proceeds from a public equity offering, as a percentage of principal amount 40.00%    
Debt instrument redemption description   plus a “make-whole” premium, as described in the indenture governing the 8% Senior Secured Notes due 2027.  
Minimum period notice for redemption of debt 15 days    
Maximum period notice for redemption of debt 60 days    
Senior Secured Notes | Debt Instrument, Redemption, Period Two      
Debt Instrument [Line Items]      
Debt instrument redemption price percentage 108.00% 102.00%  
Senior Secured Notes | Debt Instrument, Redemption, Period One      
Debt Instrument [Line Items]      
Debt instrument redemption price percentage 100.00% 104.00%