Basis of Preparation and Principles of Consolidation (Details)			9 Months Ended
	Sep. 30, 2012 Alaskan Park Properties Inc [Member] Rooms GuestCabins	Mar. 07, 2012 Banff International Hotel [Member] Rooms	Sep. 30, 2012 Glacier Park Inc [Member] Lodges Vehicle Property
Basis of Preparation and Principles of Consolidation (Textual) [Abstract]
Number of lodges			5
Number of motor inns			3
Numbers of hotel			1
Percentage of owned subsidiary of Viad			80.00%
Number of guest rooms	42	162
Number of guest cabins	46