Native American Development - Federated (Details) (USD $)	6 Months Ended		12 Months Ended			116 Months Ended		12 Months Ended							12 Months Ended								0 Months Ended
	Jun. 16, 2011	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2010	Dec. 31, 2012 Federated Indians of Graton Rancheria (FIGR) [Member] sqft	Dec. 31, 2012 Federated Indians of Graton Rancheria (FIGR) [Member] sqft	Aug. 22, 2012 Federated Indians of Graton Rancheria (FIGR) [Member]	Dec. 31, 2012 Federated Indians of Graton Rancheria (FIGR) [Member] State of California [Member]	Dec. 31, 2012 Federated Indians of Graton Rancheria (FIGR) [Member] San Francisco, CA [Member] mi	Dec. 31, 2012 Federated Indians of Graton Rancheria (FIGR) [Member] Land Held for Development [Member] acre	Dec. 31, 2012 Federated Indians of Graton Rancheria (FIGR) [Member] Land Held for Future Development [Member] acre	Dec. 31, 2012 Federated Indians of Graton Rancheria (FIGR) [Member] Maximum [Member]	Mar. 27, 2012 Federated Indians of Graton Rancheria (FIGR) [Member] Maximum [Member] Slot_Machines	Dec. 31, 2012 Federated Indians of Graton Rancheria (FIGR) [Member] Minimum [Member]	Dec. 31, 2012 Federated Indians of Graton Rancheria (FIGR) [Member] Net Income [Member] Year 1 [Member]	Dec. 31, 2012 Federated Indians of Graton Rancheria (FIGR) [Member] Net Income [Member] Year 2 [Member]	Dec. 31, 2012 Federated Indians of Graton Rancheria (FIGR) [Member] Net Income [Member] Year 3 [Member]	Dec. 31, 2012 Federated Indians of Graton Rancheria (FIGR) [Member] Net Income [Member] Year 4 [Member]	Dec. 31, 2012 Federated Indians of Graton Rancheria (FIGR) [Member] Net Income [Member] Year 5 [Member]	Dec. 31, 2012 Federated Indians of Graton Rancheria (FIGR) [Member] Net Income [Member] Year 6 [Member]	Dec. 31, 2012 Federated Indians of Graton Rancheria (FIGR) [Member] Net Income [Member] Year 7 [Member]	Dec. 31, 2012 Federated Indians of Graton Rancheria (FIGR) [Member] Casino sqft	Aug. 22, 2012 Expected to be Collected Via Third-party Financing [Member] Federated Indians of Graton Rancheria (FIGR) [Member]	Aug. 22, 2012 Successor [Member] Federated Indians of Graton Rancheria (FIGR) [Member]
Development and Management Agreements, Native American [Line Items]
Area of project					320,000	320,000																150,000
Management agreement, term					7 years
Project management fee (percentage)															24.00%	24.00%	24.00%	24.00%	27.00%	27.00%	27.00%
Project development fee (percentage)					2.00%
Debt instrument, third-party financing					$ 850,000,000
Native American development costs		70,516,000	3,255,000		57,300,000	57,300,000	172,300,000
Proceeds from collection of native american development costs																							194,200,000
Gain on Native American development			102,816,000																					102,800,000
Native American development costs, effective interest rate					11.625%	11.625%
Development and preopening	$ 1,752,000	$ 718,000	$ 311,000	$ 16,272,000		$ 2,000,000
Area of land for project										254	34
Distance from major city									43
Number of slot machines													3,000
Percent of net proceeds shared with government unit								15.00%
Period to seek judicial review					30 days
Successful project completion (percentage)												100.00%		95.00%