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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