RELATED PARTY TRANSACTIONS (Details) - St. Gabriel CC Company, LLC - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Related party transactions [Abstract]
Finished goods received from related party recorded in cost of goods sold	$ 4,458	$ 5,588	$ 9,770	$ 11,624
Receivable from related party	2,331		2,331		$ 3,210
Payable to related party	1,610		1,610		1,943
Related party payable related to non-contractual monies	296		296		$ 314
Related party receivable related to non-contractual monies	34		34
Services Provided
Related party transactions [Abstract]
Revenue from related party	1,087	1,083	1,955	2,010
Raw Materials Sold
Related party transactions [Abstract]
Revenue from related party	$ 6,338	$ 8,451	$ 13,146	$ 15,729

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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