v2.4.0.6
Long-Term Debt (Borgata Senior Secured Notes Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Debt Instrument [Line Items]    
Unamortized discount $ 37,970 $ 42,298
Borgata
   
Debt Instrument [Line Items]    
Unamortized discount 4,361 4,628
Borgata | Senior Secured Notes | 9.50% Senior Secured Notes Due 2015
   
Debt Instrument [Line Items]    
Unamortized discount 2,328 2,525
Borgata | Senior Secured Notes | 9.875% Senior Secured Notes Due 2018
   
Debt Instrument [Line Items]    
Unamortized discount 2,033 2,103
Borgata | Bank Credit Facility
   
Debt Instrument [Line Items]    
Unamortized discount 0 0
Borgata Bank Credit Facility Amendment | Borgata | Bank Credit Facility
   
Debt Instrument [Line Items]    
Amount outstanding 14,000  
Remaining borrowing capacity $ 46,000