Income Per Share - Reconciliation of Basic and Diluted Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Numerator:
Net income attributable to Viad (diluted)		$ 19,509	$ 22,389	$ 12,526	$ 20,333
Less: Allocation to non-vested shares		(265)	(321)	(171)	(304)
Net income allocated to Viad common stockholders (basic)		$ 19,244	$ 22,068	$ 12,355	$ 20,029
Denominator:
Basic weighted-average outstanding common shares		19,983	19,778	19,949	19,757
Additional dilutive shares related to share-based compensation		170	140	175	176
Diluted weighted-average outstanding shares		20,153	19,918	20,124	19,933
Basic income attributable to Viad common stockholders		$ 0.96	$ 1.12	$ 0.62	$ 1.01
Diluted income attributable to Viad common stockholders	[1]	$ 0.96	$ 1.12	$ 0.62	$ 1.01

[1] Diluted income per share amount cannot exceed basic income per share.