Property and Equipment - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Property Plant And Equipment [Line Items]
Net carrying amount of capitalized software	$ 12,300				$ 17,000				$ 12,300	$ 17,000
Leasehold interests	435,370				487,899				435,370	487,899
Depreciation expense									28,100	28,100	$ 27,400
Asset Impairment Charges	96	$ 0	$ 0	$ 0	0	$ 0	$ 884	$ 0	96	884	3,049
Travel & Recreation Group
Property Plant And Equipment [Line Items]
Asset Impairment Charges									96
Travel & Recreation Group | Leasehold Land Interests
Property Plant And Equipment [Line Items]
Leasehold interests	$ 7,700				$ 9,100				$ 7,700	9,100
Marketing and Events Group
Property Plant And Equipment [Line Items]
Asset Impairment Charges										$ 900	$ 1,000