v2.4.0.6

Summary of Significant Accounting Policies (Consolidation) (Details) (USD $)								12 Months Ended		0 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Borgata	Dec. 31, 2011 Borgata	Nov. 20, 2012 Peninsula Gaming	Oct. 04, 2011 IP Casino Resort Spa	Jan. 31, 2010 MGM	Dec. 31, 2012 Energy Sales Agreement LVE	Dec. 31, 2012 Energy Sales Agreement Maximum LVE	Mar. 04, 2013 Subsequent Event Energy Sales Agreement LVE	Jan. 27, 2013 Subsequent Event Energy Sales Agreement LVE
Consolidated Entities [Line Items]
Purchase price					$ 1,480,000,000	$ 280,600,000
Equity method investment, ownership percentage							50.00%
Assets	6,332,193,000	5,883,054,000	1,390,000,000	1,440,000,000
Annual ESA periodic fee, through November 2013								11,900,000
Annual ESA periodic fee, after November 2013								10,800,000
ESA periodic fee, annual maintenance fee									600,000
ESA purchase option, price under Amended Purchase Option Agreement											187,000,000
Term of unrecorded commitment under energy and sales agreement								25 years
Sale price of LVE energy center assets										$ 187,000,000

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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