Receivable - Marketing and Reservation Fees (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Receivable - marketing and reservation fees	$ 46,249		$ 46,249		$ 54,014
Depreciation and amortization	1,995	2,073	5,989	5,976
Interest expense	10,166	3,228	16,823	9,719
Marketing And Reservation Fees [Member]
Depreciation and amortization	3,700	3,400	10,700	10,000
Interest expense	900	1,000	3,000	3,000
Cumulative Marketing Expenses In Excess Of Cumulative Marketing Fee Revenues [Member]
Receivable - marketing and reservation fees	14,300		14,300		18,500
Cumulative Reservation Expenses In Excess Of Cumulative Reservation Fee Revenues [Member]
Receivable - marketing and reservation fees	$ 31,900		$ 31,900		$ 35,500