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Term of the lessee's leasing arrangement renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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For an unclassified balance sheet, amounts due from parties associated with the reporting entity as evidenced by a written promise to pay.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
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The distributions of earnings to an entity that is affiliated with the reporting entity by means of direct or indirect ownership.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

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Amount of selling, general and administrative expenses resulting from transactions, excluding transactions that are eliminated in consolidated or combined financial statements, with related party.

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RELATED PARTY TRANSACTIONS (Details) - USD ($)		3 Months Ended		12 Months Ended
RELATED PARTY TRANSACTIONS (Details) - USD ($)	Feb. 28, 2015	Dec. 31, 2016	Dec. 31, 2015	Sep. 30, 2016	Sep. 30, 2015
Related Party Transaction [Line Items]
Distributions to Mohegan Tribe		$ 12,000,000	$ 10,600,000
Mohegan Sun
Related Party Transaction [Line Items]
Expenses for services provided to related party				$ 8,000,000	$ 7,500,000
Mohegan Tribe of Indians of Connecticut
Related Party Transaction [Line Items]
Distributions to Mohegan Tribe		12,000,000	10,600,000
Incurred interest expense associated with a related party debt		32,000	599,000
Monthly payment under capital lease		75,000
Mohegan Tribal Utility Authority
Related Party Transaction [Line Items]
Utilities purchased from related party		4,200,000	$ 3,800,000
The Tribe and Mohegan Tribal Finance Authority
Related Party Transaction [Line Items]
Duration of the term of the Fourth Amendment	28 years 4 months
Operating lease expense		1,700,000
Salishan Company, LLC
Related Party Transaction [Line Items]
Funds loaned to related parties including accrued interest		$ 3,300,000		2,800,000
Gaming \| Mohegan Sun
Related Party Transaction [Line Items]
Expenses for services provided to related party				1,100,000	1,000,000
Advertising, general and administrative \| Mohegan Sun
Related Party Transaction [Line Items]
Expenses for services provided to related party				5,300,000	5,000,000
Corporate \| Mohegan Sun
Related Party Transaction [Line Items]
Expenses for services provided to related party				$ 1,600,000	$ 1,500,000