ORGANIZATION (Details)	3 Months Ended		1 Months Ended	3 Months Ended
	Dec. 31, 2012 segment	Dec. 31, 2012 Mohegan Basketball Club, LLC WNBA, LLC	Oct. 31, 2012 Mohegan Gaming Advisors Resorts Casino Hotel in Atlantic City, New Jersey	Dec. 31, 2012 Mohegan Gaming Advisors Mohegan MA Entities	Dec. 31, 2012 Mohegan Gaming Advisors Mohegan New Jersey Entities	Dec. 31, 2012 Mohegan Commercial Ventures-PA, LLC Downs Racing, L.P., Backside, L.P., Mill Creek Land, L.P. and Northeast Concessions, L.P.	Dec. 31, 2012 Mohegan Tribal Gaming Authority acre	Dec. 31, 2012 Mohegan Tribal Gaming Authority Downs Racing, L.P., Backside, L.P., Mill Creek Land, L.P. and Northeast Concessions, L.P.	Dec. 31, 2012 Downs Racing, L.P. acre	Dec. 31, 2012 Mohegan Ventures-Northwest, LLC Salishan-Mohegan, LLC	Dec. 31, 2012 Mohegan Tribe of Indians of Connecticut acre	Dec. 31, 2012 Mohegan Tribe of Indians of Connecticut Salishan-Mohegan, LLC	Dec. 31, 2012 Mohegan Tribe of Indians of Connecticut Mohegan Gaming & Hospitality, LLC	Dec. 31, 2012 Salishan-Mohegan, LLC Salishan-Mohegan Two, LLC	Dec. 31, 2012 Mohegan Ventures Wisconsin, LLC Wisconsin Tribal Gaming, LLC	Dec. 31, 2012 MTGA Gaming, LLC Mohegan Gaming & Hospitality, LLC	Dec. 31, 2012 Mohegan Gaming & Hospitality, LLC Mohegan Resorts, LLC	Dec. 31, 2012 Mohegan Resorts, LLC Mohegan Resorts Mass, LLC	Dec. 31, 2012 Mohegan Resorts, LLC Mohegan Resorts New York, LLC and Mohegan Gaming New York, LLC
Entity Information [Line Items]
Size of tribe reservation											544
Size of gaming and entertainment complex							185		400
Membership or limited partnership interest percentage		4.20%	10.00%	100.00%	100.00%			99.99%		49.15%		7.85%	51.00%	100.00%	100.00%	49.00%	100.00%	100.00%	100.00%
General partnership interest percentage						0.01%
Number of operating segments	2