v2.4.0.8
Related Party Transactions (Narrative) (Details) (USD $)
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Related Party Transaction [Line Items]      
Outstanding note payable $ 77,000,000    
Outstanding accounts payable 84,398,000   112,001,000
AXIS Capital [Member]
     
Related Party Transaction [Line Items]      
Due to Related Parties, Current 1,400,000   100,000
Principal payments (plus interest) 37,000 37,000  
Weighted average interest rate 6.80%    
Ethanol Purchase And Sale Agreements [Member]
     
Related Party Transaction [Line Items]      
Cash receipts 0 600,000  
Cash payments 900,000 1,000,000  
Outstanding accounts payable 0   0
Hoovestol Inc [Member]
     
Related Party Transaction [Line Items]      
Cash payments 30,000 35,000  
Outstanding accounts payable 1,800    
Aircraft lease amount payable, per month 6,667    
Aircraft hours available each month under lease 100    
Aircraft Lease [Member]
     
Related Party Transaction [Line Items]      
Aircraft lease amount payable, per month $ 15,834    
Aircraft hours available each month under lease 125