Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share [Abstract]
Net income attributable to The Andersons, Inc.	$ 30,439	$ 29,888	$ (7,222)	$ 15,895
Earnings per share - basic:
Weighted average shares outstanding - basic (shares)	32,932,000	32,521,000	32,876,000	32,511,000
Earnings per common share - basic (dollars per share)	$ 0.92	$ 0.92	$ (0.22)	$ 0.49
Earnings per share - diluted:
Weighted average shares outstanding - basic (shares)	32,932,000	32,521,000	32,876,000	32,511,000
Effect of dilutive awards (shares)	77,000	212,000	0	560,000
Weighted average shares outstanding - diluted (shares)	33,009,000	32,733,000	32,876,000	33,071,000
Earnings per common share - diluted (dollars per share)	$ 0.92	$ 0.91	$ (0.22)	$ 0.48
Outstanding share awards	471,000	33,000
Antidilutive awards (shares)			0	61,000