Related Party Transactions (Income (Losses) of Company's Equity Method Investees) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Sep. 30, 2021	Sep. 30, 2019
Income Earned From Companys Equity Method Investments By Entity [Abstract]
Income earned from Company's equity method investees		$ 4,842	$ 638	$ (7,359)
Andersons Albion Ethanol LLC
Income Earned From Companys Equity Method Investments By Entity [Abstract]
Percentage of company ownership interest (percentage)						55.00%
Income earned from Company's equity method investees	[1]	0	0	(1,292)
Andersons Clymers Ethanol LLC
Income Earned From Companys Equity Method Investments By Entity [Abstract]
Percentage of company ownership interest (percentage)						39.00%
Income earned from Company's equity method investees	[1]	0	0	(151)
Andersons Marathon Ethanol LLC
Income Earned From Companys Equity Method Investments By Entity [Abstract]
Percentage of company ownership interest (percentage)						33.00%
Income earned from Company's equity method investees	[1]	$ 0	0	920
Providence Grain
Income Earned From Companys Equity Method Investments By Entity [Abstract]
Percentage of company ownership interest (percentage)		37.80%
Income earned from Company's equity method investees	[2]	$ 4,532	(233)	(7,411)
Quadra Commodities S.A.
Income Earned From Companys Equity Method Investments By Entity [Abstract]
Percentage of company ownership interest (percentage)		17.70%
Income earned from Company's equity method investees	[2]	$ 946	1,439	910
Other
Income Earned From Companys Equity Method Investments By Entity [Abstract]
Income earned from Company's equity method investees	[1]	$ (636)	$ (568)	$ (335)
Other | Minimum
Income Earned From Companys Equity Method Investments By Entity [Abstract]
Percentage of company ownership interest (percentage)	[1]				5.00%
Other | Maximum
Income Earned From Companys Equity Method Investments By Entity [Abstract]
Percentage of company ownership interest (percentage)	[1]				52.00%

[1] The Company previously owned approximately 55%, 39%, 33% in The Andersons Albion LLC, The Andersons Clymers Ethanol LLC and The Andersons Marathon Ethanol LLC, respectively. Effective October 1, 2019, the Company contributed its interests in these three entities into TAMH. The transaction resulted in the consolidation of these entities into the Company's Consolidated Financial Statements.

[2] The Company acquired the equity method investments in Providence Grain Group Inc. and Quadra Commodities S.A. through the consolidation of Lansing Trade Group in 2019.