LONG-TERM DEBT - Promissory Notes (Details) (USD $)						9 Months Ended	3 Months Ended				3 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2013 Promissory Notes Mohegan Tribe Promissory Note, 2009	Sep. 30, 2013 Promissory Notes Mohegan Tribe Promissory Note, 2009	Sep. 30, 2009 Promissory Notes Mohegan Tribe Promissory Note, 2009	Sep. 30, 2013 Promissory Notes Mohegan Tribe Promissory Note, 2009 Commencing December 31, 2012 through September 30, 2013	Dec. 31, 2013 Promissory Notes Mohegan Tribe Promissory Note, 2009 Commencing December 31, 2013	Dec. 31, 2013 Promissory Notes Mohegan Tribe Minor's Trust Promissory Note, 2012	Sep. 30, 2013 Promissory Notes Mohegan Tribe Minor's Trust Promissory Note, 2012	Mar. 31, 2012 Promissory Notes Mohegan Tribe Minor's Trust Promissory Note, 2012	Dec. 31, 2013 Promissory Notes Mohegan Tribe Minor's Trust Promissory Note, 2012 Commencing December 31, 2012 through September 30, 2014	Dec. 31, 2013 Promissory Notes Mohegan Tribe Minor's Trust Promissory Note, 2012 Commencing December 31, 2014 to Maturity	Dec. 31, 2013 Promissory Notes 2013 Mohegan Tribe Promissory Note	Sep. 30, 2013 Promissory Notes 2013 Mohegan Tribe Promissory Note	Mar. 31, 2013 Promissory Notes 2013 Mohegan Tribe Promissory Note	Mar. 29, 2013 Promissory Notes 2013 Mohegan Tribe Promissory Note
Debt Instrument [Line Items]
Loan face amount					$ 10,000,000					$ 20,000,000.0						$ 7,400,000
Note stated interest rate					10.00%					10.00%					4.00%
Quarterly interest payment					1,200,000
Quarterly amortization of principal						1,625,000.000	875,000				500,000	1,500,000.0
Accrued interest	$ 32,634,000	$ 23,296,000	$ 3,600,000	$ 4,700,000				$ 5,000	$ 5,000				$ 1,000	$ 1,000