v2.4.0.6
Long-Term Debt (Borgata Bank Credit Facility Narrative) (Details) (Bank Credit Facility, USD $)
0 Months Ended
Dec. 31, 2012
Borgata
Mar. 31, 2013
Parent Company
Dec. 31, 2012
Parent Company
Mar. 31, 2013
Borgata Bank Credit Facility Amendment
Subsidiary, Borgata [Member]
Dec. 27, 2012
Borgata Bank Credit Facility Amendment
Subsidiary, Borgata [Member]
Minimum
Mar. 31, 2013
Borgata Bank Credit Facility Amendment
Borgata
Debt Instrument [Line Items]            
Amount outstanding   $ 1,437,695,000 $ 1,466,635,000     $ 14,000,000
Interest rate at period end 4.90% 4.20%   4.90%    
Remaining borrowing capacity   278,398,000       46,000,000
Debt Instrument, Covenant Terms, Consolidated EBITDA Required for Repurchase or Redemption of Senior Secured Notes         $ 125,000,000