Document And Entity Information
9 Months Ended
Sep. 30, 2013
Oct. 28, 2013
Document And Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Sep. 30, 2013  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2013  
Entity Registrant Name Green Plains Renewable Energy, Inc.  
Entity Central Index Key 0001309402  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   30,477,300
Trading Symbol gpre