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Income (Loss) Per Share - Reconciliation of Basic and Diluted Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended
		Mar. 31, 2017	Mar. 31, 2016
Numerator:
Net income (loss) attributable to Viad (diluted)		$ 6,777	$ (6,983)
Less: Allocation to non-vested shares		(89)
Net income (loss) allocated to Viad common stockholders (basic)		$ 6,688	$ (6,983)
Denominator:
Basic weighted-average outstanding common shares		20,083	19,914
Additional dilutive shares related to share-based compensation		263
Diluted weighted-average outstanding shares		20,346	19,914
Basic income (loss) attributable to Viad common stockholders		$ 0.33	$ (0.35)
Diluted income (loss) attributable to Viad common stockholders	[1]	$ 0.33	$ (0.35)
[1] Diluted income (loss) per share amount cannot exceed basic income (loss) per share.

X

- Definition

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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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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