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Subsequent Event (Details) - 10.75% senior secured notes - Senior Notes - USD ($)
Apr. 15, 2020
Mar. 31, 2020
Subsequent Event [Line Items]    
Interest rate   10.75%
Subsequent Event    
Subsequent Event [Line Items]    
Aggregate principal amount redeemed in full redemption $ 440,000,000.0  
Interest rate 10.75%  
Loss on debt extinguishment $ 28,500,000