Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments (Details Textual)

v3.21.2
Derivative Instruments (Details Textual)
$ in Thousands, lb in Millions, gal in Millions, BTU in Millions
9 Months Ended
Sep. 30, 2021
USD ($)
BTU
lb
gal
Dec. 31, 2020
USD ($)
Derivative Instruments and Hedging Activities Disclosure [Abstract]    
Heating oil covered under the open commodity derivative contracts (in gallons) | gal 62  
Soybean oil covered under the open commodity derivative contracts (in pounds) | lb 96  
Natural gas covered under the open commodity derivative contracts (in BTUs) | BTU 2  
Prepaid and other assets    
Derivative [Line Items]    
Net position $ 5,033 $ 5,433
Accounts payable    
Derivative [Line Items]    
Net position $ 441 $ 0