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Related Party Transactions (Details) - USD ($) $ in Thousands | Mar. 31, 2018 | Dec. 31, 2017 | Mar. 31, 2017
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Equity Method Investment Companys Investment Balance In Each Equity Method Investees By Entity [Abstract] |  |  |  |
Equity method investments |  | $ 224,449 | $ 223,239 | $ 208,993
The Andersons Albion Ethanol LLC |  |  |  |
Equity Method Investment Companys Investment Balance In Each Equity Method Investees By Entity [Abstract] |  |  |  |
Equity method investments |  | 46,145 | 45,024 | 38,694
The Andersons Clymers Ethanol LLC |  |  |  |
Equity Method Investment Companys Investment Balance In Each Equity Method Investees By Entity [Abstract] |  |  |  |
Equity method investments |  | 20,339 | 19,830 | 19,946
The Andersons Marathon Ethanol LLC |  |  |  |
Equity Method Investment Companys Investment Balance In Each Equity Method Investees By Entity [Abstract] |  |  |  |
Equity method investments |  | 12,615 | 12,660 | 13,266
Lansing Trade Group LLC |  |  |  |
Equity Method Investment Companys Investment Balance In Each Equity Method Investees By Entity [Abstract] |  |  |  |
Equity method investments |  | 94,483 | 93,088 | 88,339
Thompsons Limited |  |  |  |
Equity Method Investment Companys Investment Balance In Each Equity Method Investees By Entity [Abstract] |  |  |  |
Equity method investments | [1] | 48,362 | 50,198 | 46,054
Other |  |  |  |
Equity Method Investment Companys Investment Balance In Each Equity Method Investees By Entity [Abstract] |  |  |  |
Equity method investments |  | $ 2,505 | $ 2,439 | $ 2,694
[1] | Thompsons Limited and related U.S. operating company held by joint ventures

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