Quarterly report pursuant to Section 13 or 15(d)

DERIVATIVES. (Details 1)

v3.19.3
DERIVATIVES. (Details 1) - Non Designated Derivative Instruments [Member] - Commodity Contracts [Member] - Cost of goods sold [Member] - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Derivative Instruments, Gain (Loss) [Line Items]        
Realized Gains (Losses) $ 2,262 $ 916 $ (2,150) $ (1,241)
Unrealized Gains (Losses) $ (5,582) $ (1,907) $ (3,715) $ (3,121)