Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Earnings Per Share [Abstract]
Net income (loss) from continuing operations	$ 12,290	$ 1,788	$ 66,069	$ (32,088)
Net income (loss) attributable to noncontrolling interests	(1,602)	3,273	(822)	(20,583)
Net income attributable to The Andersons, Inc.	13,892	(1,485)	66,891	(11,505)
Income (loss) from discontinued operations, net of income taxes	$ 1,846	$ 427	$ 7,453	$ 3,224
Denominator:
Weighted average shares outstanding - basic (shares)	33,284	32,962	33,246	32,905
Effect of dilutive awards (shares)	350	0	424	0
Weighted average shares outstanding - diluted (shares)	33,634	32,962	33,670	32,905
Basic earnings (loss):
Continuing operations (in dollars per share)	$ 0.42	$ (0.04)	$ 2.01	$ (0.35)
Discontinued operations (in dollars per share)	0.06	0.01	0.22	0.10
Earnings per common share - basic (dollars per share)	0.48	(0.03)	2.23	(0.25)
Diluted earnings (loss):
Continuing operations (in dollars per share)	0.41	(0.04)	1.99	(0.35)
Discontinued operations (in dollars per share)	0.05	0.01	0.22	0.10
Earnings per common share - diluted (dollars per share)	$ 0.46	$ (0.03)	$ 2.21	$ (0.25)
Antidilutive awards (shares)	80		80