Debt instrument maturity year.

No definition available.

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- Definition

Extension fee agreed to pay to lenders basis points.

+ References

No definition available.

+ Details

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- Definition

Increase in applicable margin to pricing level four basis points.

+ References

No definition available.

+ Details

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- Definition

Increase in applicable margin to pricing level three basis points.

+ References

No definition available.

+ Details

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- Definition

Minimum liquidity requirement.

+ References

No definition available.

+ Details

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Balance Type:	credit
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- References

No definition available.

+ Details

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- Definition

Waiver period extended date.

+ References

No definition available.

+ Details

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- Definition

Waiver threshold consecutive period.

+ References

No definition available.

+ Details

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 4
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Description of minimum financial levels (for example, tangible net worth and working capital) and achievement of certain financial ratios (for example, working capital ratio and debt service coverage ratio), and adherence to certain clauses which generally require or restrict certain actions (for example, entering into a debt arrangement with equal or greater seniority, and selling or discontinuing a certain business segment or material subsidiary) to be in compliance with the covenant clauses of the debt agreement. May also include a discussion of the adverse consequences that would result if the entity violates or fails to satisfy the covenants.

+ References

+ Details

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- Definition

The average effective interest rate during the reporting period.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Total contributions made by each class of partners (i.e., general, limited and preferred partners).

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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- Definition

The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
-Paragraph 14
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- Definition

Date the payments are due on subordinated debt, in CCYY-MM-DD format.

+ References

No definition available.

+ Details

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- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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Subsequent Events - Additional Information (Details)					9 Months Ended
Subsequent Events - Additional Information (Details)	Aug. 28, 2020 USD ($)	Aug. 24, 2020 USD ($)	Jul. 31, 2020 USD ($)	May 15, 2020	Jun. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)
Subsequent Event [Line Items]
Cash and cash equivalents					$ 149,435,000	$ 130,138,000	$ 162,066,000
MGE Niagara Resorts Credit Facilities \| Initial Waiver
Subsequent Event [Line Items]
Waiver consecutive days				60 days
Extended waiver period				Jun. 15, 2020
MGE Niagara Resorts Credit Facilities \| Second Waiver
Subsequent Event [Line Items]
Extended waiver period					Jul. 31, 2020
Basis point increase over pricing level 3					50
Subsequent Events \| Fourth Amendment \| Mohegan Tribe
Subsequent Event [Line Items]
Cash contribution		$ 20,000,000
Contribution amount		15,000,000
Subordinated loan		$ 5,000,000
Subordinated loan, maturity date		Oct. 16, 2024
Subordinated loan, interest in-kind, percentage		10.00%
Subsequent Events \| MGE Niagara Resorts Credit Facilities \| Third Waiver
Subsequent Event [Line Items]
Extended waiver period			Sep. 30, 2020
Basis points over pricing level 4			100
Minimum liquidity requirement			$ 15,000,000
Extension fee agreed to pay to lenders basis points			10
Senior Secured Credit Facilities \| Fourth Amendment
Subsequent Event [Line Items]
Debt instrument, covenant description					Pursuant to the Fourth Amendment, the Company will, during the period beginning on August 28, 2020, and ending upon achievement of certain financial ratios specified in the Fourth Amendment (such period, the “Financial Covenant Restricted Period”), be subject to, among other things, (i) a minimum liquidity covenant that requires cash and cash equivalents and availability under its revolving credit facility to be at least $70 million as of the last day of each calendar month, (ii) a covenant that requires the Company be in pro forma compliance with such liquidity covenant in order to make any interest payment on the Company’s 7.875% Senior Notes due 2024, and (iii) certain additional reporting covenants.
Senior Secured Credit Facilities \| Subsequent Events \| Fourth Amendment
Subsequent Event [Line Items]
Debt instrument interest rate	7.875%
Debt instrument maturity year	2024
Senior Secured Credit Facilities \| Subsequent Events \| Fourth Amendment \| Revolving Credit Facility \| LIBOR Floor
Subsequent Event [Line Items]
Debt instrument basis spread on variable rate		0.75%
Senior Secured Credit Facilities \| Subsequent Events \| Fourth Amendment \| Revolving Credit Facility \| Minimum
Subsequent Event [Line Items]
Cash and cash equivalents	$ 70,000,000
Senior Secured Credit Facilities \| Subsequent Events \| Fourth Amendment \| Term Loan A \| Adjusted LIBOR Rate
Subsequent Event [Line Items]
Debt instrument basis spread on variable rate		6.125%
Senior Secured Credit Facilities \| Subsequent Events \| Fourth Amendment \| Term Loan A \| Base Rate
Subsequent Event [Line Items]
Debt instrument basis spread on variable rate		5.125%
Senior Secured Credit Facilities \| Subsequent Events \| Fourth Amendment \| Term Loan A \| LIBOR Floor
Subsequent Event [Line Items]
Debt instrument basis spread on variable rate		1.00%
Senior Secured Credit Facilities \| Subsequent Events \| Fourth Amendment \| Term Loan B \| Adjusted LIBOR Rate
Subsequent Event [Line Items]
Debt instrument basis spread on variable rate		6.375%
Senior Secured Credit Facilities \| Subsequent Events \| Fourth Amendment \| Term Loan B \| Base Rate
Subsequent Event [Line Items]
Debt instrument basis spread on variable rate		5.375%