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Number Of Trustees Elected

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Stock Repurchased During Period, Weighted Average Price

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Price of a single share of a number of saleable stocks of a company.

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Shareholders' Equity - Narrative (Details) $ / shares in Units, $ in Thousands								1 Months Ended	3 Months Ended	9 Months Ended
	Oct. 12, 2023 USD ($) $ / shares	Sep. 26, 2023 $ / shares shares	Sep. 13, 2023 $ / shares shares	Aug. 17, 2023 USD ($)	Jun. 05, 2023 trustee $ / shares shares	May 18, 2023 USD ($)	Feb. 16, 2023 USD ($)	Sep. 30, 2023 trustee	Sep. 30, 2023 $ / shares shares	Sep. 30, 2023 USD ($) $ / shares shares	Sep. 30, 2022 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award
Distributions to shareholders \| $				$ 2,398		$ 2,397	$ 2,397			$ 7,192	$ 7,171
Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award
Distributions to common shareholders declared (in dollars per share)	$ 0.01
Distributions to shareholders \| $	$ 2,405
RMR
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares (in shares) \| shares									151,405	181,893
Weighted average share price (in dollars per share)									$ 2.33	$ 2.12
Share Award Plans \| RMR
Share-based Compensation Arrangement by Share-based Payment Award
Number of trustees elected \| trustee								1
Trustees \| Share Award Plans \| RMR
Share-based Compensation Arrangement by Share-based Payment Award
Number of trustees \| trustee					7
Common shares awarded (in shares) \| shares		20,000			20,000
Share price (in dollars per share)		$ 2.23			$ 1.74
Officers And Other Employees \| Share Award Plans \| RMR
Share-based Compensation Arrangement by Share-based Payment Award
Common shares awarded (in shares) \| shares			800,000
Share price (in dollars per share)			$ 2.33