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Summary of Significant Accounting Policies (Details 3) (Definitive Agreement With Jamul Indian Village [Member], USD $)
In Millions, unless otherwise specified
 0 Months Ended
Apr. 05, 2013
item
sqft
Jun. 30, 2014
Dec. 31, 2013
Apr. 05, 2013
sqft
Definitive Agreement With Jamul Indian Village [Member]
        
Long-term asset related to the Jamul Tribe        
Proposed facility development cost $ 360      
Number of stories 3      
Size of gaming and entertainment facility (in square feet)       200,000
Number of slot machines 1,700      
Number of table games 50      
Number of parking spaces 1,900      
Note receivable   $ 29.5 $ 7.0