Marketing and Reservation Activities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Advances, Marketing and Reservation Activities [Line Items]
Other assets	$ 50,663		$ 50,663		$ 16,907
Long-term liabilities, marketing and reservation activities	37,367		37,367		68,583
Depreciation and amortization	2,986	$ 3,108	8,707	$ 8,793
Interest expense	11,150	10,821	33,466	32,057
Marketing And Reservation Fees
Advances, Marketing and Reservation Activities [Line Items]
Other assets	15,300		15,300
Long-term liabilities, marketing and reservation activities					$ 30,700
Depreciation and amortization	6,300	5,800	18,700	17,000
Interest expense	$ 1	$ 6	$ 6	$ 22