Quarterly Consolidated Financial Information (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Quarterly Financial Data [Abstract]
Total revenues	$ 3,782,702	$ 2,998,824	$ 3,235,805	$ 2,594,719	$ 2,508,303	$ 1,885,586	$ 1,854,738	$ 1,815,993	$ 12,612,050	$ 8,064,620	$ 8,003,253
Income (loss) before income taxes from continuing operations	76,636	16,317	53,701	14,116	23,635	(2,360)	5,226	(53,582)	160,770	(27,081)	13,021
Income (loss) before income taxes from continuing operations	65,473	12,290	44,024	9,755	15,917	1,788	10,290	(44,166)	131,542	(16,171)	3,876
Net income (loss)	62,344	14,136	46,124	13,262	14,649	2,215	20,032	(51,111)	135,866	(14,215)	15,060
Net income attributable to The Andersons, Inc.	$ 29,642	$ 15,738	$ 43,499	$ 15,107	$ 15,991	$ (1,058)	$ 30,439	$ (37,662)	$ 103,986	$ 7,710	$ 18,307
Income (loss) from continuing operations, basic (in dollars per share)	$ 0.98	$ 0.42	$ 1.24	$ 0.35	$ 0.52	$ (0.05)	$ 0.63	$ (0.94)	$ 2.99	$ 0.17	$ 0.22
Income (loss) from continuing operations, diluted (in dollars per share)	$ 0.95	$ 0.41	$ 1.23	$ 0.35	$ 0.52	$ (0.05)	$ 0.63	$ (0.95)	$ 2.94	$ 0.17	$ 0.22