RELATED PARTY TRANSACTIONS (Details) - St. Gabriel CC Company, LLC - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Related Party Transaction [Line Items]
Finished goods received from related party recorded in cost of goods sold	$ 12,190,000	$ 18,598,000	$ 22,540,000
Receivable from related party	2,809,000	4,840,000
Payable to related party	2,239,000	3,230,000
Other receivable from related party	72,000	0
Accounts payable	296,000
Accrued expenses		366,000
Services Provided
Related Party Transaction [Line Items]
Revenues from related party	3,396,000	3,883,000	3,694,000
Raw Materials Sold
Related Party Transaction [Line Items]
Revenues from related party	$ 13,495,000	$ 24,786,000	$ 31,107,000