Quarterly report pursuant to Section 13 or 15(d)

Derivatives. (Details) - Schedule of recognized gains (losses) for derivatives

v3.21.2
Derivatives. (Details) - Schedule of recognized gains (losses) for derivatives - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Derivative Instruments, Gain (Loss) [Line Items]        
Realized Gains $ 18,158 $ 24,343
Unrealized Losses 9,290 4,932
Non Designated Derivative Instruments [Member] | Cost of goods sold [Member] | Commodity Contracts [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Realized Gains 18,158 24,343
Non Designated Derivative Instruments [Member] | Cost of goods sold [Member] | Commodity Contract [Member]        
Derivative Instruments, Gain (Loss) [Line Items]        
Unrealized Losses $ 9,290 $ 4,932