Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v2.4.0.8
Document and Entity Information
9 Months Ended
Sep. 30, 2013
Oct. 30, 2013
Document Document And Entity Information [Line Items]    
Entity Registrant Name Renewable Energy Group, Inc.  
Entity Central Index Key 0001463258  
Document Type 10-Q  
Document Period End Date Sep. 30, 2013  
Amendment Flag false  
Document Fiscal Year Focus 2013  
Document Fiscal Period Focus Q3  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding   36,451,262