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Related Party Transactions (Textual) (Details)
3 Months Ended
Mar. 31, 2019
USD ($)
Mar. 31, 2018
USD ($)
Dec. 31, 2018
USD ($)
Mar. 02, 2018
gal
Related Party Transaction [Line Items]        
Total distributions received from unconsolidated affiliates $ 0 $ 1,200,000    
Revenues recognized for the sale of ethanol 144,000,000.0 146,200,000    
Related party, gross assets 3,400,000 600,000 $ 1,900,000  
Related party, gross liability $ 2,200,000 $ 2,900,000 $ 6,300,000  
ELEMENT, LLC | Subsidiary        
Related Party Transaction [Line Items]        
Percentage of company's interest in subsidiary       51.00%
Noncontrolling interest is attributed of all gains and losses of parent (percentage)       49.00%
Maximum production capacity of bio-refinery (gallons) | gal       70,000,000