Related Party Transactions (Details Textual) - USD ($) $ in Thousands			3 Months Ended		6 Months Ended
	May. 25, 2015	Jan. 22, 2014	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014	Jan. 21, 2014
Related Party Transaction [Line Items]
Total distributions received from unconsolidated affiliates					$ 19,200	$ 65,900
Proceeds from returns of investments in affiliates					$ 1,866	31,457
Percentage of shares acquired from subsidiary (percentage)			100.00%		100.00%
Voting interest in IANR (percentage)					49.90%
Voting interest held by the common shareholders (percentage)					50.10%
Rate of dividends accrued annually (percentage)	9.00%
Estimated fair value of the Company's investment in IANR			$ 13,300		$ 13,300
Current maximum exposure to loss related to IANR			22,200		22,200
Investment and unpaid accrued dividends			8,900		8,900
Revenues recognized for the sale of ethanol			109,100	$ 168,100	210,800	312,500
Revenues recognized for the sale of corn			107,700	158,100	204,400	275,300
Related party, Gross asset			1,500	17,400	1,500	17,400	$ 1,400
Related party, Gross liability			$ 2,400	$ 5,500	$ 2,400	5,500	$ 3,800
The Andersons Ethanol Investment LLC
Related Party Transaction [Line Items]
Percentage of company ownership interest (percentage)			66.00%		66.00%
Noncontrolling interest is attributed of all gains and losses of parent (percentage)			34.00%		34.00%
The Andersons Marathon Ethanol LLC
Related Party Transaction [Line Items]
Percentage of company ownership interest (percentage)			50.00%		50.00%
Lansing Trade Group LLC
Related Party Transaction [Line Items]
Agreement for partial redemption of equity method investment		$ 60,000
Percentage of company ownership interest (percentage)		39.20%						47.50%
Total distributions received from unconsolidated affiliates		$ 28,500
Proceeds from returns of investments in affiliates		$ 31,500
Equity Method Investment, Realized Gain (Loss) on Disposal						17,100
Equity Method Investment, Realized Gain (Loss) on Disposal, Net of Tax						$ 10,700