MOHEGAN GAMING ADVISORS, LLC (PROJECT INSPIRE) (Details) - USD ($) $ in Thousands	12 Months Ended
Sep. 30, 2016	Sep. 30, 2015
Schedule of Long-term Development Projects [Line Items]
Restricted cash	$ 205,833	$ 0
Mohegan Gaming Advisors \| Project Inspire
Schedule of Long-term Development Projects [Line Items]
Restricted cash	100,000
KCC Corporation \| Project Inspire
Schedule of Long-term Development Projects [Line Items]
Restricted cash	$ 100,000
Inspire Integrated Resort \| Mohegan Gaming Advisors \| Project Inspire
Schedule of Long-term Development Projects [Line Items]
Membership or limited partnership interest (as a percent)	50.19%
Inspire Integrated Resort \| KCC Corporation \| Project Inspire
Schedule of Long-term Development Projects [Line Items]
Membership or limited partnership interest (as a percent)	49.81%

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- Definition

The number of units or percentage investment held by one or more members or limited partners of the LLC or LP.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

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- Definition

Cash and equivalents whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.1)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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