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Shareholders' Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended
	Apr. 14, 2022	Feb. 17, 2022	Mar. 31, 2022	Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award
Weighted average share price (in dollars per share)			$ 3.20
Distributions to shareholders		$ 2,390	$ 2,390	$ 2,383
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	$ 2,390
Common Shares
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares (in shares)			1,698
Common Shares | Former Employees Of RMR LLC
Share-based Compensation Arrangement by Share-based Payment Award
Number of shares (in shares)			1,698

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Stock Repurchased During Period, Weighted Average Price

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Aggregate dividends declared during the period for each share of common stock outstanding.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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