SUPPLEMENTAL CASH FLOW INFORMATION (Details Narrative) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Supplemental Cash Flow Elements [Abstract]
Interest expense paid	$ 39,500	$ 36,400
Cash and cash equivalents	$ 72,688	$ 100,700	$ 45,637