Earnings Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Earnings Per Share [Abstract]
Net income attributable to The Andersons, Inc.	$ 29,539	$ 29,199	$ 42,117	$ 47,606
Less: Distributed and undistributed earnings allocated to nonvested restricted stock	101	146	155	179
Earnings available to common shareholders	$ 29,438	$ 29,053	$ 41,962	$ 47,427
Earnings per share - basic:
Weighted average shares outstanding - basic (shares)	18,663	18,541	18,636	18,522
Earnings per common share - basic (dollars per share)	$ 1.58	$ 1.57	$ 2.25	$ 2.56
Earnings per share - diluted:
Weighted average shares outstanding - basic (shares)	18,663	18,541	18,636	18,522
Effect of dilutive awards (shares)	117	132	108	166
Weighted average shares outstanding - diluted (shares)	18,780	18,673	18,744	18,688
Earnings per common share - diluted (dollars per share)	$ 1.57	$ 1.56	$ 2.24	$ 2.54
Earnings Per Share (Textual) [Abstract]
Antidilutive stock-based awards outstanding (shares)			0