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Debt (Details Textual)
12 Months Ended
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Mar. 04, 2014
USD ($)
Jun. 30, 2012
USD ($)
Debt Instrument [Line Items]        
Maximum borrowing capacity     $ 400,000,000  
Current line of credit $ 29,000,000 $ 16,990,000 90,000,000  
Line of credit $ 59,000,000.0      
Debt instrument period of draw down under line of credit 90 days      
Loan term 15 years      
Recourse        
Debt Instrument [Line Items]        
Current line of credit $ 29,000,000 16,990,000    
Minimum tangible net worth $ 300,000,000      
Current ratio net of hedged inventory, maximum 125.00%      
Current ratio net of hedged inventory, minimum 100.00%      
Debt to capitalized ratio maximum 70.00%      
Working capital $ 150,000,000      
Interest coverage ratio, minimum 275.00%      
Interest coverage ratio, maximum 1      
Aggregate annual maturities of long term debt, 2017 $ 47,500,000      
Aggregate annual maturities of long term debt, 2018 55,300,000      
Aggregate annual maturities of long term debt, 2019 46,900,000      
Aggregate annual maturities of long term debt, 2020 16,400,000      
Aggregate annual maturities of long term debt, 2021 62,300,000      
Aggregate annual maturities of long term debt there after 219,400,000      
Nonrecourse        
Debt Instrument [Line Items]        
Current line of credit $ 0 $ 0    
Debt service coverage ratio, minimum 1.25      
Debt service coverage ratio, maximum 1.00      
Nonrecourse | December 31 2014        
Debt Instrument [Line Items]        
Minimum tangible net worth $ 36,000,000      
Working capital 18,000,000      
Nonrecourse | December 31 2016        
Debt Instrument [Line Items]        
Minimum tangible net worth 40,000,000      
Ten year term debenture bonds | Recourse | Available-for-sale Securities        
Debt Instrument [Line Items]        
Debenture bond bearing interest Amount $ 200,000      
Loan term 10 years      
Debenture bond bearing interest percentage 3.50%      
Line of credit        
Debt Instrument [Line Items]        
Maximum borrowing capacity     $ 850,000,000.0  
Line of credit | Long Term Line Of Credit | The Andersons Denison Ethanol LLC        
Debt Instrument [Line Items]        
Maximum borrowing capacity       $ 21,300,000
Standby letters of credit        
Debt Instrument [Line Items]        
Letters of credit outstanding $ 32,500,000      
Standby letters of credit | The Andersons Denison Ethanol LLC        
Debt Instrument [Line Items]        
Letters of credit outstanding $ 200,000