Related Party Transactions (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013
Equity Method Investment Companys Investment Balance In Each Equity Method Investees By Entity [Abstract]
Equity method investments	$ 226,857		$ 291,109
The Andersons Albion Ethanol LLC
Equity Method Investment Companys Investment Balance In Each Equity Method Investees By Entity [Abstract]
Equity method investments	27,824		40,194
The Andersons Clymers Ethanol LLC
Equity Method Investment Companys Investment Balance In Each Equity Method Investees By Entity [Abstract]
Equity method investments	37,624		44,418
The Andersons Marathon Ethanol LLC
Equity Method Investment Companys Investment Balance In Each Equity Method Investees By Entity [Abstract]
Equity method investments	31,537		46,811
Lansing Trade Group, LLC
Equity Method Investment Companys Investment Balance In Each Equity Method Investees By Entity [Abstract]
Equity method investments	78,696		106,028
Thompsons Limited
Equity Method Investment Companys Investment Balance In Each Equity Method Investees By Entity [Abstract]
Equity method investments	48,455	[1]	49,833	[1]
Other
Equity Method Investment Companys Investment Balance In Each Equity Method Investees By Entity [Abstract]
Equity method investments	$ 2,721		$ 3,825

[1] (a)Thompsons Limited and related U.S. operating company held by joint ventures