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Summary of Significant Accounting Policies (Details) (USD $)
In Thousands
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Revenue recognition    
Promotional allowances$ 39,641$ 34,201$ 103,757$ 102,520
Cost of complimentary services24,79022,91667,87269,185
Rooms
    
Revenue recognition    
Promotional allowances7,2316,25317,97018,213
Cost of complimentary services2,6152,3786,6396,981
Food and beverage
    
Revenue recognition    
Promotional allowances29,58625,54178,27576,576
Cost of complimentary services20,38319,13756,64757,332
Other.
    
Revenue recognition    
Promotional allowances2,8242,4077,5127,731
Cost of complimentary services$ 1,792$ 1,401$ 4,586$ 4,872