RELATED PARTY TRANSACTIONS (Details) - St. Gabriel CC Company, LLC [Member] - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Related party transactions [Abstract]
Finished goods received from related party	$ 5,127	$ 5,090	$ 16,751	$ 14,272
Receivable from related party	2,446		2,446
Payable to related party	1,943		1,943
Related party receivables recorded in receivables	75		75
Services Provided [Member]
Related party transactions [Abstract]
Revenues from related party	839	846	2,849	2,568
Raw Materials Sold [Member]
Related party transactions [Abstract]
Revenues from related party	$ 7,111	$ 5,976	$ 22,840	$ 15,858

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