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Long-Term Debt (Details)
12 Months Ended
Mar. 31, 2017
Oct. 14, 2016
USD ($)
Debt Instrument [Line Items]    
Minimum ratio of EBITDA to fixed charges for dividend distributions 2.0  
Senior Notes | Senior Secured $275 Million 8.50% Note    
Debt Instrument [Line Items]    
Debt instrument, face amount   $ 275,000,000
Debt instrument, interest rate   8.50%
Issue price, percent of face amount   99.085%
Revolving Credit Facility    
Debt Instrument [Line Items]    
Line of credit facility, maximum borrowing capacity   $ 60,000,000