Annual report pursuant to Section 13 and 15(d)

DERIVATIVES. (Details 1)

v3.20.1
DERIVATIVES. (Details 1) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Derivative Instruments, Gain (Loss) [Line Items]    
Realized Losses $ (4,568) $ (3,479)
Unrealized Gains (Losses) 5,123 (3,235)
Non Designated Derivative Instruments [Member] | Commodity Contracts [Member] | Cost of goods sold [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Realized Losses (4,568) (3,479)
Unrealized Gains (Losses) $ 5,123 $ (3,235)