Related Party Transactions (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013		Dec. 31, 2012
Equity Method Investment Companys Investment Balance In Each Equity Method Investees By Entity [Abstract]
Equity method investments	$ 291,109		$ 190,908
The Andersons Albion Ethanol LLC
Equity Method Investment Companys Investment Balance In Each Equity Method Investees By Entity [Abstract]
Equity method investments	40,194		30,227
The Andersons Clymers Ethanol LLC
Equity Method Investment Companys Investment Balance In Each Equity Method Investees By Entity [Abstract]
Equity method investments	44,418		33,119
The Andersons Marathon Ethanol LLC
Equity Method Investment Companys Investment Balance In Each Equity Method Investees By Entity [Abstract]
Equity method investments	46,811		32,996
Lansing Trade Group, LLC
Equity Method Investment Companys Investment Balance In Each Equity Method Investees By Entity [Abstract]
Equity method investments	106,028		92,094
Thompsons Limited
Equity Method Investment Companys Investment Balance In Each Equity Method Investees By Entity [Abstract]
Equity method investments	49,833	[1]	0	[1]
Other
Equity Method Investment Companys Investment Balance In Each Equity Method Investees By Entity [Abstract]
Equity method investments	$ 3,825		$ 2,472

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