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Noncontrolling Interest (Narrative) (Details) | Dec. 31, 2015 | Dec. 31, 2013 | Jan. 31, 2010
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Noncontrolling Interest [Line Items] |  |  |
Equity method investment, ownership percentage | 50.00% |  |
LVE |  |  |
Noncontrolling Interest [Line Items] |  |  |
Ownership percentage by noncontrolling owners | 100.00% |  |
Parent Company [Member] |  |  |
Noncontrolling Interest [Line Items] |  |  |
Subsidiaries, Ownership Percentage | 100.00% | 100.00% |
Borgata |  |  |
Noncontrolling Interest [Line Items] |  |  |
Ownership percentage by noncontrolling owners | 50.00% |  |
Borgata |  |  |
Noncontrolling Interest [Line Items] |  |  |
Equity method investment, ownership percentage |  |  | 50.00%

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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
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