Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE OF FINANCIAL INSTRUMENTS - Schedule of Fair Value of Financial Liabilities (Details)

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FAIR VALUE OF FINANCIAL INSTRUMENTS - Schedule of Fair Value of Financial Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Mar. 31, 2018
Long-term Debt, Unclassified [Abstract]    
Long-term Debt $ 137,073 $ 115,986
Long-term Debt, Fair Value [1] 150,000 117,747
TCW Term Loan    
Long-term Debt, Unclassified [Abstract]    
Long-term Debt [1]   90,424
Long-term Debt, Fair Value [1]   90,424
PNC Credit Facility    
Long-term Debt, Unclassified [Abstract]    
Long-term Debt [1]   33,107
Long-term Debt, Fair Value [1]   $ 27,323
Senior Secured Term loan    
Long-term Debt, Unclassified [Abstract]    
Long-term Debt [1] 150,000  
Long-term Debt, Fair Value [1] $ 150,000  
[1] Fair value based on outstanding borrowings and market interest rates (level 2)