Quarterly report pursuant to Section 13 or 15(d)

INVENTORIES (Tables)

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INVENTORIES (Tables)
 3 Months Ended
Mar. 31, 2018
Inventory Disclosure [Abstract]  
Schedule of Inventories

Inventory balances consisted of the following (in thousands):

 

    March 31, 2018     December 31, 2017  
Finished goods   $ 43,641     $ 35,652  
Work in progress     8,991       8,807  
Raw materials     7,276       7,601  
Low-carbon and RIN credits     8,708       7,952  
Other     1,646       1,538  
Total   $ 70,262     $ 61,550