v2.4.0.6
Summary of Significant Accounting Policies (Promotional Allowances) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Allowances [Line Items]      
Promotional allowances $ 450,676 $ 419,939 $ 353,825
Cost of promotional allowances 266,102 235,794 230,429
Rooms
     
Allowances [Line Items]      
Promotional allowances 144,605 130,168 109,268
Cost of promotional allowances 62,323 58,821 53,928
Food and Beverage
     
Allowances [Line Items]      
Promotional allowances 191,419 175,391 159,229
Cost of promotional allowances 182,138 158,881 159,617
Other Products and Services
     
Allowances [Line Items]      
Promotional allowances 114,652 114,380 85,328
Cost of promotional allowances $ 21,641 $ 18,092 $ 16,884