Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Statement [Abstract]
Revenues	$ 8,208,436	$ 8,170,191	$ 3,045,382
Cost of sales and merchandising revenues	7,803,514	7,652,299	2,743,377
Gross profit	404,922	517,892	302,005
Operating, administrative and general expenses	399,207	436,842	257,872
Asset impairment	0	41,212	6,272
Interest expense, net	51,275	59,691	27,848
Other income:
Equity in earnings (losses) of affiliates, net	638	(7,359)	27,141
Gain from remeasurement of equity method investments, net	0	35,214	0
Other income, net	20,448	20,109	16,002
Income (loss) before income taxes	(24,474)	28,111	53,156
Income tax provision (benefit)	(10,259)	13,051	11,931
Net income (loss)	(14,215)	15,060	41,225
Net loss attributable to the noncontrolling interest	(21,925)	(3,247)	(259)
Net income attributable to The Andersons, Inc.	$ 7,710	$ 18,307	$ 41,484
Average number of shares outstanding – basic	32,924	32,570	28,258
Average number of shares outstanding – diluted	33,189	33,096	28,452
Earnings Per Share [Abstract]
Basic earnings attributable to The Andersons, Inc. common shareholders (in dollars per share)	$ 0.23	$ 0.56	$ 1.47
Diluted earnings attributable to The Andersons, Inc. common shareholders (in dollars per share)	$ 0.23	$ 0.55	$ 1.46