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Related Party Transactions - Additional Information (Detail) (USD $)
9 Months Ended
Sep. 30, 2014
acre
Dec. 31, 2013
Related Party Transaction [Line Items]    
Amount due to officers and directors $ 800,000 $ 800,000
Area of land 2  
Term of notice required to exercise option 30 days  
Agreement expiration 2020-10  
Wynn Las Vegas | SW Lease
   
Related Party Transaction [Line Items]    
Valuation frequency of rental property 2 years  
Wynn Las Vegas | SW Lease | Second Amendment and Restated Agreement of Lease [Member]
   
Related Party Transaction [Line Items]    
Annual rent $ 525,000