Acquisition of Businesses - Unaudited Pro Forma (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Business Combinations [Abstract]
Revenue	$ 241,441	$ 264,528
Depreciation and amortization	8,898	9,314
Loss from continuing operations	(8,352)	(4,709)
Net loss attributable to Viad	$ (8,376)	$ (4,793)
Diluted loss per share	$ (0.41)	$ (0.24)
Basic loss per share	$ (0.41)	$ (0.24)

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma income from continuing operations before changes in accounting and extraordinary items, net of tax effect, for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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Business Acquisition, Pro Forma, Depreciation and Amortization

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