Native American Development - Federated (Details) (Federated Indians of Graton Rancheria (FIGR) [Member])	6 Months Ended
	Jun. 30, 2013
State of California [Member]
Development and Management Agreements, Native American [Line Items]
Percent of net proceeds shared with government unit	15.00%
Land Held for Development [Member]
Development and Management Agreements, Native American [Line Items]
Area of land for project	254
Maximum [Member]
Development and Management Agreements, Native American [Line Items]
Number of Class III gaming devices	3,000
Successful project completion (percentage)	100.00%
Minimum [Member]
Development and Management Agreements, Native American [Line Items]
Successful project completion (percentage)	95.00%