Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Statement of Comprehensive Income [Abstract]
Net income (loss)		$ (1,875)	$ 2,616	$ 17,557	$ (27,135)
Other comprehensive income (loss), net of tax:
Change in fair value of convertible preferred securities (net of income tax of $0, $134, $0 and $134)		0	211	(87)	211
Change in unrecognized actuarial loss and prior service cost (net of income tax of $(38), $(64), $(139) and $(699))		(129)	(101)	(467)	(1,099)
Cash flow hedge activity (net of income tax of $40, $0, $56 and $0)		119	0	170	0
Foreign currency translation adjustments (net of income tax of $0, $0, $0 and $0)		993	2,201	(1,280)	3,674
Other comprehensive income (loss)	[1]	983	2,311	(1,664)	2,786
Comprehensive income (loss)		(892)	4,927	15,893	(24,349)
Comprehensive income (loss) attributable to the noncontrolling interests		223	83	(175)	73
Comprehensive income (loss) attributable to The Andersons, Inc.		$ (1,115)	$ 4,844	$ 16,068	$ (24,422)

[1] All amounts are net of tax. Amounts in parentheses indicate debits