Advances, Marketing and Reservation Activities (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Advances, marketing and reservation activities	$ 32,564,000		$ 32,564,000		$ 42,179,000
Depreciation and amortization	2,379,000	1,995,000	7,074,000	5,989,000
Interest expense	10,757,000	10,166,000	32,334,000	16,823,000
Marketing And Reservation Fees [Member]
Depreciation and amortization	3,900,000	3,700,000	12,000,000	10,700,000
Interest expense	$ 900,000	$ 900,000	$ 2,800,000	$ 3,000,000