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Nature of Activities and Summary of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Sales $ 52,049 $ 42,807
California [Member]    
Sales 52,041 42,328
California [Member] | Ethanol Sales    
Sales 37,896 29,920
California [Member] | Wet distiller's grains sales    
Sales 11,517 11,035
California [Member] | Other Sales Member    
Sales $ 2,627 $ 1,373