Quarterly report pursuant to Section 13 or 15(d)

INVENTORIES (Details)

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INVENTORIES (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Inventory Disclosure [Abstract]    
Finished goods $ 33,525 $ 35,652
Work in progress 7,753 8,807
Raw materials 7,260 7,601
Low-carbon and RIN credits 4,585 7,952
Other 1,643 1,538
Total $ 54,766 $ 61,550 [1]
[1] Amounts derived from the audited consolidated financial statements for the year ended December 31, 2017.