XML 63 R51.htm IDEA: XBRL DOCUMENT v2.4.0.8
Redfield Energy, LLC - Additional Information (Detail) (Redfield, USD $)
In Millions, except Share data, unless otherwise specified
6 Months Ended
Jun. 30, 2014
Person
gal
Redfield
 
Schedule Of Equity Method Investments [Line Items]  
Redfield ethanol production facility 50,000,000
Limited partners capital account units issued 100
Members in board of managers 11
Cost for retrofit of Redfield Facilities $ 0.4