PREPAID AND OTHER CURRENT ASSETS (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid insurance	$ 13,050	$ 12,779
Margin deposits	35,950	0
Unbilled revenue	2,383	4,047
Prepaid taxes	9,396	4,842
Escrow deposits	10	21,360
Other	10,364	5,043
Total prepaid and other current assets	$ 71,153	$ 48,071