PREPAID AND OTHER CURRENT ASSETS (Tables)

12 Months Ended

Dec. 31, 2018

Prepaid Expense and Other Assets, Current [Abstract]

Schedule of prepaid and other current assets

Prepaid and other current assets consist of the following at the dates indicated (in thousands):

	December 31,
	2018		2017
Prepaid insurance	$	6,622	$	7,146
Margin deposits	8,684		7,989
Contract assets	16,989		13,999
Prepaid taxes	5,311		2,865
Other	21,288		4,340
Total prepaid and other current assets	$	58,894	$	36,339