v2.4.0.8
Segment Information (Summary Of Total Assets For Operating Segments) (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Segment Reporting Information [Line Items]    
Total assets $ 1,625,891 $ 1,532,045
Ethanol Production [Member]
   
Segment Reporting Information [Line Items]    
Total assets 917,151 911,315
Corn Oil Production [Member]
   
Segment Reporting Information [Line Items]    
Total assets 34,951 28,569
Agribusiness [Member]
   
Segment Reporting Information [Line Items]    
Total assets 118,028 165,570
Marketing And Distribution [Member]
   
Segment Reporting Information [Line Items]    
Total assets 299,156 258,361
Corporate Assets [Member]
   
Segment Reporting Information [Line Items]    
Total assets 266,272 175,210
Intersegment Eliminations [Member]
   
Segment Reporting Information [Line Items]    
Total assets $ (9,667) $ (6,980)