Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (14,215)	$ 15,060	$ 41,225
Other comprehensive income (loss), net of tax:
Change in fair value of convertible preferred securities	0	0	(86)
Change in unrecognized actuarial gain and prior service cost	(856)	(4,142)	359
Foreign currency translation adjustments	4,674	12,615	(3,834)
Cash flow hedge activity	(8,663)	(9,317)	(126)
Other comprehensive loss	(4,845)	(844)	(3,687)
Comprehensive income (loss)	(19,060)	14,216	37,538
Comprehensive loss attributable to the noncontrolling interests	(21,925)	(3,247)	(259)
Comprehensive income attributable to The Andersons, Inc.	$ 2,865	$ 17,463	$ 37,797