Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Earnings Per Share [Abstract]
Net income attributable to The Andersons, Inc.	$ 21,529	$ (26,653)	$ 19,829	$ (29,742)
Less: Distributed and undistributed earnings allocated to nonvested restricted stock	0	0	0	0
Earnings available to common shareholders	$ 21,529	$ (26,653)	$ 19,829	$ (29,742)
Earnings per share - basic:
Weighted average shares outstanding - basic (shares)	28,261	28,350	28,249	28,316
Earnings per common share - basic (dollars per share)	$ 0.76	$ (0.94)	$ 0.70	$ (1.05)
Earnings per share - diluted:
Weighted average shares outstanding - basic (shares)	28,261	28,350	28,249	28,316
Effect of dilutive awards (shares)	128	0	187	0
Weighted average shares outstanding - diluted (shares)	28,389	28,350	28,436	28,316
Earnings per common share - diluted (dollars per share)	$ 0.76	$ (0.94)	$ 0.70	$ (1.05)
Earnings Per Share (Textual) [Abstract]
Antidilutive stock-based awards outstanding (shares)	28		25

Earnings Per Share.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

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Amount of earnings (loss) distributed and earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method.

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The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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