Segment and Related Information, Reconciliation of Segment Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Identifiable assets by geographic area [Abstract]
Identifiable assets	$ 135,481	$ 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	120,020	116,155
Other Countries [Member] | Reportable Geographical Components [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	15,461	21,142
Hospitality [Member] | Reportable Segments [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	103,438	104,027
Goodwill by business segment [Abstract]
Goodwill	16,431	16,431
Government [Member]
Goodwill by business segment [Abstract]
Goodwill	700	700
Government [Member] | Reportable Segments [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	10,276	11,221
Goodwill by business segment [Abstract]
Goodwill	736	736
Other [Member]
Identifiable assets by geographic area [Abstract]
Identifiable assets	$ 21,767	$ 22,049