SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($) $ in Thousands	9 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Condensed Cash Flow Statements, Captions [Line Items]
Cash interest paid	$ 3,934	$ 6,627
Accrued dividends on preferred stock	89	89
Right-of-use assets and operating lease liability recorded upon adoption of ASU 842, net	90	0
Amounts accrued in connection with addition of property and equipment	232	0
Class A common stock
Condensed Cash Flow Statements, Captions [Line Items]
Issuance of Class A common stock for payment of preferred stock dividends	$ 267	$ 267