Receivable - Marketing and Reservation Fees (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Receivable - marketing and reservation fees	$ 51,297		$ 42,179
Depreciation and amortization	2,175	2,017
Interest expense	10,770	3,117
Marketing And Reservation Fees [Member]
Depreciation and amortization	4,000	3,500
Interest expense	900	1,200
Cumulative Marketing Expenses In Excess Of Cumulative Marketing Fee Revenues [Member]
Receivable - marketing and reservation fees	11,500		7,900
Cumulative Reservation Expenses In Excess Of Cumulative Reservation Fee Revenues [Member]
Receivable - marketing and reservation fees	$ 39,800		$ 34,200