Quarterly report pursuant to Section 13 or 15(d)

LONG-TERM DEBT - Narrative (Details)

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LONG-TERM DEBT - Narrative (Details) - USD ($)
$ in Thousands
6 Months Ended
Sep. 30, 2018
Mar. 31, 2018
Sep. 30, 2017
Restricted cash non current   $ 5,000 $ 20,000
TCW term loan facility      
Stated interest rate (as a percent) 14.50%    
Amended PNC Credit Facility      
Stated interest rate (as a percent) 8.25%    
Debt Instrument, Restrictive Covenants the Company was required to maintain a $5.0 million restricted cash reserve as part of the PNC Credit Facility    
Restricted cash non current $ 5,000