Segment and Related Information, Reconciliation of Segment Assets (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Identifiable assets by geographic area [Abstract]
Identifiable assets	$ 136,947	$ 137,297
Goodwill by business segment [Abstract]
Goodwill	17,167	17,167
United States [Member] | Reportable Geographical Components [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	121,991	116,155
Other Countries [Member] | Reportable Geographical Components [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	14,956	21,142
Hospitality [Member] | Reportable Segments [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	102,514	104,027
Goodwill by business segment [Abstract]
Goodwill	16,431	16,431
Government [Member] | Reportable Segments [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	12,958	11,221
Goodwill by business segment [Abstract]
Goodwill	736	736
Other [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	$ 21,475	$ 22,049