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Subsequent Events (Details) - USD ($)
$ in Thousands
Apr. 22, 2021
Mar. 31, 2021
Dec. 31, 2020
Subsequent Events [Abstract]      
Long-term Debt   $ 397,100  
Subsequent Event [Line Items]      
Long-term Debt   397,100  
Senior Secured Notes 6.50 Percent [Member] [Member]      
Subsequent Events [Abstract]      
Long-term Debt   400,000 $ 400,000
Subsequent Event [Line Items]      
Long-term Debt   $ 400,000 $ 400,000
Debt Instrument, Interest Rate, Stated Percentage   6.50%  
Debt Instrument, Redemption Price, Percentage 1.0325%    
Senior Secured Notes 7.00 Percent      
Subsequent Events [Abstract]      
Long-term Debt $ 400,000    
Subsequent Event [Line Items]      
Long-term Debt $ 400,000    
Debt Instrument, Interest Rate, Stated Percentage 7.00%