Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Nature of the Business (Details)

v3.19.2
Basis of Presentation and Nature of the Business (Details)
gal in Millions
6 Months Ended
Jun. 30, 2019
facility
gal
Jul. 31, 2019
gal
Jul. 24, 2019
gal
Class of Stock [Line Items]      
Number of biorefineries 14    
Number of operating biomass-based diesel production facilities 13    
Production capacity per year | gal 520    
Number of fermentation facilities 1    
Number of multi-feedstock capable plants 10    
Subsequent Event      
Class of Stock [Line Items]      
Production capacity per year | gal   505 505
REG New Boston | Subsequent Event      
Class of Stock [Line Items]      
Production capacity per year | gal   15 15
North America      
Class of Stock [Line Items]      
Number of biorefineries 12    
Europe      
Class of Stock [Line Items]      
Number of biorefineries 2