CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN CAPITAL - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Oct. 01, 2018
Statements of Changes in Capital
Total capital at beginning of period	$ 270,794	$ 309,169
Cumulative-effect adjustment for the adoption of ASC 606 Revenue from Contracts with Customers			$ (41,575)
Net income (loss)	10,708	28,690
Foreign currency translation adjustment	1,899	14,747
Distributions to Mohegan Tribe	(12,000)	(12,000)
Redemption of membership interest related to the New England Black Wolves franchise	75
Distributions to Mohegan Tribe related to Salishan-Mohegan, LLC		(390)
Total capital at end of period	229,901	340,216
Retained Earnings
Statements of Changes in Capital
Total capital at beginning of period	250,707	196,645
Cumulative-effect adjustment for the adoption of ASC 606 Revenue from Contracts with Customers			(41,575)
Net income (loss)	10,622	29,209
Distributions to Mohegan Tribe	(12,000)	(12,000)
Redemption of membership interest related to the New England Black Wolves franchise	(4,499)
Distributions to Mohegan Tribe related to Salishan-Mohegan, LLC		(390)
Total capital at end of period	203,255	213,464
Accumulated Other Comprehensive Income
Statements of Changes in Capital
Total capital at beginning of period	11,062	1,125
Foreign currency translation adjustment	1,804	6,429
Total capital at end of period	12,866	7,554
Total Capital Attributable to Mohegan Tribal Gaming Authority
Statements of Changes in Capital
Total capital at beginning of period	261,769	197,770
Cumulative-effect adjustment for the adoption of ASC 606 Revenue from Contracts with Customers			$ (41,575)
Net income (loss)	10,622	29,209
Foreign currency translation adjustment	1,804	6,429
Distributions to Mohegan Tribe	(12,000)	(12,000)
Redemption of membership interest related to the New England Black Wolves franchise	(4,499)
Distributions to Mohegan Tribe related to Salishan-Mohegan, LLC		(390)
Total capital at end of period	216,121	221,018
Non-controlling Interests
Statements of Changes in Capital
Total capital at beginning of period	9,025	111,399
Net income (loss)	86	(519)
Foreign currency translation adjustment	95	8,318
Redemption of membership interest related to the New England Black Wolves franchise	4,574
Total capital at end of period	$ 13,780	$ 119,198