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Summary of Significant Accounting Policies (Organization) (Details)	12 Months Ended
	Dec. 31, 2015 entity
Organization Attributes [Line Items]
Number of Gaming Entertainment Properties	21
LVE
Organization Attributes [Line Items]
Ownership percentage by noncontrolling owners	100.00%
Borgata
Organization Attributes [Line Items]
Ownership percentage by noncontrolling owners	50.00%

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Organization Attributes [Line Items]

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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