RELATED PARTY TRANSACTIONS (Details) - St. Gabriel CC Company, LLC - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Related party transactions [Abstract]
Finished goods received from related party recorded in cost of goods sold	$ 4,538	$ 5,127	$ 14,308	$ 16,751
Receivable from related party	2,109		2,109		$ 3,210
Payable to related party	1,420		1,420		1,943
Related party payable related to non-contractual monies	296		296		$ 314
Related party receivable related to non-contractual monies	98		98
Services Provided
Related party transactions [Abstract]
Revenue from related party	955	839	2,910	2,849
Raw Materials Sold
Related party transactions [Abstract]
Revenue from related party	$ 5,893	$ 7,111	$ 19,039	$ 22,840

Amount for accounts payable to related parties. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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