Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Jun. 30, 2019
Cash Flows from Operating Activities:
Net income	$ 15,395	$ 51,940	$ 150,161
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization		731	762
Straight line office rent	52	124	166
Amortization expense related to other assets		7,062	7,062
Deferred income taxes		1,108	(293)
Operating expenses paid in The RMR Group Inc. common shares		2,658	3,764
Impairment loss on Tremont Mortgage Trust investment	0	0	6,213
Equity in earnings of investees	(458)	(1,037)	(318)
Distributions from equity method investments		721	198
Unrealized (gain) loss on equity method investment accounted for under the fair value option	(1,678)	(916)	2,978
Changes in assets and liabilities:
Due from related parties		10,393	(50,183)
Prepaid and other current assets		2,253	3,012
Other client company reimbursable expenses		(6,782)	53,375
Accounts payable and accrued expenses		10,535	16,956
Net cash from operating activities		78,790	193,853
Cash Flows from Investing Activities:
Purchase of property and equipment		(404)	(299)
Equity method investment in TravelCenters of America Inc.		0	(8,382)
Equity method investment in Tremont Mortgage Trust		0	(5,650)
Advances to Tremont Mortgage Trust under the credit agreement		0	(14,220)
Repayments from Tremont Mortgage Trust under the credit agreement		0	14,220
Net cash used in investing activities		(404)	(14,331)
Cash Flows from Financing Activities:
Distributions to noncontrolling interest		(24,435)	(41,972)
Distributions to common shareholders		(18,589)	(17,044)
Repurchase of common shares		(155)	(156)
Net cash used in financing activities		(43,179)	(59,172)
Effect of exchange rate fluctuations on cash and cash equivalents		0	(85)
Increase in cash and cash equivalents		35,207	120,265
Cash and cash equivalents at beginning of period		358,448	256,848
Cash and cash equivalents at end of period	393,655	393,655	377,113
Supplemental Cash Flow Information and Non-Cash Activities:
Income taxes paid		6,385	22,185
Supplemental Schedule of Non-Cash Activities:
Fair value of share based payments recorded	$ 736	1,394	$ 2,954
Recognition of right of use assets and related lease liabilities		$ 39,746