Goodwill and Other Intangible Assets - Summary of Goodwill Balances by Component and Segment (Parenthetical) (Details) - USD ($)		12 Months Ended
		Dec. 31, 2015	Dec. 31, 2013
Goodwill [Line Items]
Amount of goodwill included in the carrying amount of disposal operations	[1]	$ 573,000
Goodwill impairment charge			$ 2,097,000
Marketing & Events International Segment
Goodwill [Line Items]
Amount of goodwill included in the carrying amount of disposal operations	[1]	573,000
Goodwill impairment charge		$ 23,000

[1] (1) During 2015, the Company partially disposed of certain operations associated with a venue services contract within the Marketing & Events International Segment. Accordingly, goodwill of $0.6 million was included in the carrying amount of those operations, and a loss of $23,000 was recorded in income from continuing operations related to the disposal.