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Related Person Transactions (Details) - Affiliated Entity - USD ($) $ in Thousands	Jan. 01, 2023	May 11, 2022	Mar. 31, 2023
Chief Financial Officer
Related Party Transaction [Line Items]
Number of shares with accelerated vesting (in shares)	3,648
Diane Portnoy | Management Services | Tremont Realty Advisors LLC
Related Party Transaction [Line Items]
Shares purchased (in shares)		882,407
Aggregate purchase price		$ 9,469
Tremont Realty Advisors LLC | Management Services
Related Party Transaction [Line Items]
Shares owned (in shares)			1,708,058
Outstanding common shares (as a percent)			13.40%

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