MOHEGAN VENTURES-NORTHWEST, LLC (COWLITZ PROJECT) - Reconciliation of management fees (Details) $ in Thousands	12 Months Ended
	Sep. 30, 2017 USD ($)
Management Fees [Roll Forward]
Beginning balance	$ 0
Fees earned	6,047	[1]
Payments received	(2,858)	[2]
Ending balance	3,189
Distributions from Salishan-Mohegan, LLC to Mohegan Tribe	$ 512

[1] Recorded within retail, entertainment and other revenues in the accompanying consolidated statements of income and comprehensive income.

[2] Distributions to the Tribe totaled $512,000 based on their membership interest.