RELATED PARTY TRANSACTIONS (Details) - St. Gabriel CC Company, LLC - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Related Party Transaction [Line Items]
Finished goods received from related party recorded in cost of goods sold	$ 22,540	$ 20,827
Receivable from related party	3,210	6,190
Payable to related party	1,943	4,112
Related party payable recorded in accrued expenses	314	363
Services Provided
Related Party Transaction [Line Items]
Revenues from related party	3,694	3,445
Raw Materials Sold
Related Party Transaction [Line Items]
Revenues from related party	$ 31,107	$ 23,459

Amount for accounts payable to related parties.

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