Summary of Significant Accounting Policies (Organization) (Details)	6 Months Ended
	Jun. 30, 2012 segment property entity
Organization Attributes [Line Items]
Number of gaming entertainment properties	16
Number of controlling interests	1
Number of reportable segments	4
Echelon Development
Organization Attributes [Line Items]
Acres of land	87
Dania Jai-Alai
Organization Attributes [Line Items]
Acres of land	47
Minimum | Echelon Development
Organization Attributes [Line Items]
Expected length of time until resumption of construction	3 years
Maximum | Echelon Development
Organization Attributes [Line Items]
Expected length of time until resumption of construction	5 years
LVE
Organization Attributes [Line Items]
Term of unrecorded commitment under energy and sales agreement	25 years