v2.4.0.6

Long-Term Debt (Borgata Senior Secured Notes Narrative) (Details) (USD $)					12 Months Ended			12 Months Ended			12 Months Ended							12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Borgata	Dec. 31, 2011 Borgata	Dec. 31, 2012 Borgata Senior Secured Notes	Dec. 31, 2011 Borgata Senior Secured Notes	Aug. 06, 2010 Borgata Senior Secured Notes	Dec. 31, 2011 Borgata Senior Secured Notes 9.50% Senior Secured Notes Due 2015	Dec. 31, 2012 Borgata Senior Secured Notes 9.50% Senior Secured Notes Due 2015	Aug. 31, 2010 Borgata Senior Secured Notes 9.50% Senior Secured Notes Due 2015	Dec. 31, 2012 Borgata Senior Secured Notes 9.50% Senior Secured Notes Due 2015 Prior to October 15, 2013	Dec. 31, 2012 Borgata Senior Secured Notes 9.50% Senior Secured Notes Due 2015 On or After October 15, 2013 and Prior to October 15, 2014	Dec. 31, 2012 Borgata Senior Secured Notes 9.50% Senior Secured Notes Due 2015 On or After October 15, 2014	Dec. 31, 2011 Borgata Senior Secured Notes 9.875% Senior Secured Notes Due 2018	Dec. 31, 2012 Borgata Senior Secured Notes 9.875% Senior Secured Notes Due 2018	Aug. 31, 2010 Borgata Senior Secured Notes 9.875% Senior Secured Notes Due 2018	Dec. 31, 2012 Borgata Senior Secured Notes 9.875% Senior Secured Notes Due 2018 Prior to August 15, 2014	Dec. 31, 2012 Borgata Senior Secured Notes 9.875% Senior Secured Notes Due 2018 Prior to August 15, 2013	Dec. 31, 2012 Borgata Senior Secured Notes 9.875% Senior Secured Notes Due 2018 On or After August 15, 2014 and Prior to August 15, 2015	Dec. 31, 2012 Borgata Senior Secured Notes 9.875% Senior Secured Notes Due 2018 On or After August 15, 2015 and Prior to August 15, 2016	Dec. 31, 2012 Borgata Senior Secured Notes 9.875% Senior Secured Notes Due 2018 On or After August 15, 2016	Dec. 31, 2012 Borgata Bank Credit Facility	Dec. 31, 2011 Borgata Bank Credit Facility	Aug. 31, 2010 Minimum Borgata Senior Secured Notes	Dec. 31, 2012 Borgata Bank Credit Facility Amendment Borgata Bank Credit Facility	Dec. 27, 2012 Borgata Bank Credit Facility Amendment Borgata Bank Credit Facility	Nov. 11, 2011 Borgata Bank Credit Facility Amendment Borgata Bank Credit Facility
For the year ending December 31,
Face amount							$ 800,000,000			$ 400,000,000						$ 400,000,000
Debt instrument, stated interest rate										9.50%						9.875%
Debt Instrument, Purchase Price of Senior Secured Notes Purchased and Retired						8,200,000
Gain on Purchase and Retirement of Senior Secured Notes						100,000
Effective interest rate at period end									10.20%						10.30%
Debt Instrument, Principal Amount of Senior Secured Notes Purchased and Retired						8,500,000		2,000,000						6,500,000
Issue price, net of discount, % of principal										98.943%						99.315%
Unamortized discount	42,298,000	9,955,000	4,628,000	5,637,000				3,271,000	2,525,000	4,200,000				2,366,000	2,103,000	2,700,000						0	0
Redemption price, % of principal, subject to make-whole premium											100.00%						100.00%
Annual redeemable portion of principal amount, %											10.00%							10.00%
Debt instrument, redemption price, percentage											103.00%	104.75%	102.375%					103.00%	104.938%	102.469%	100.00%
Redeemable portion of principal amount, %											35.00%							35.00%
Redemption price, % of principal, redeemable with proceeds from certain equity offerings											109.50%							109.875%
Minimum required coverage ratio					2.0
Actual coverage ratio																								2.0
Line of credit, maximum borrowing capacity																										60,000,000	60,000,000
Amount outstanding																									20,000,000
Remaining borrowing capacity																									$ 40,000,000

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