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SUPPLEMENTAL CASH FLOW INFORMATION (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Supplemental Cash Flow Elements [Abstract]        
Interest expense paid $ 13,090 $ 10,887    
Cash and cash equivalents, and restricted cash $ 68,104 $ 81,127 $ 83,311 $ 106,615