SUPPLEMENTAL CASH FLOW INFORMATION (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Condensed Cash Flow Statements, Captions [Line Items]
Cash interest paid	$ 3,449	$ 5,060
Accrued dividends on preferred stock	89	89
Issuance of Class A Common Stock for settlement of an obligation	867	0
Class A common stock
Condensed Cash Flow Statements, Captions [Line Items]
Issuance of Class A Common Stock for payment of preferred stock dividends	$ 89	$ 89