Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies. (Details)

v3.21.2
Commitments and Contingencies. (Details)
9 Months Ended
Sep. 30, 2021
USD ($)
Commitments and Contingencies. (Details) [Line Items]  
Indexed price purchase contracts gallons 93,403,000
Open fixed-price sales contracts valued $ 18,448,000
Fixed price purchase 4,464,000
Long term purchase commitment 19,100,000
Ethanol Sales Contracts [Member]  
Commitments and Contingencies. (Details) [Line Items]  
Open fixed-price sales contracts valued 242,181,000
Co-products Sales Contracts [Member]  
Commitments and Contingencies. (Details) [Line Items]  
Open indexed-price sales contracts tons $ 5,044,000
Ethanol Purchase Contracts [Member] | Suppliers [Member]  
Commitments and Contingencies. (Details) [Line Items]  
Indexed price purchase contracts gallons 33,233,000
Ethanol Purchase Contracts [Member] | Fuel-grade from suppliers [Member]  
Commitments and Contingencies. (Details) [Line Items]  
Fixed-price purchase contracts value $ 54,988,000
Ethanol Purchase Contracts [Member] | Corn from suppliers [Member]  
Commitments and Contingencies. (Details) [Line Items]  
Fixed-price purchase contracts value $ 29,916,000