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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - STOCK APPRECIATION RIGHT ACTIVITY (Details) - Stock Appreciation Rights (SARs) [Member] - shares
12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]    
Outstanding, beginning balance (in shares) 1,462,610  
Issued (in shares) 0 2,277,830
Forfeited (in shares) 0  
Outstanding, ending balance (in shares) 1,462,610 1,462,610