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Related Person Transactions (Details) - Affiliated Entity - USD ($) $ in Thousands | Jan. 01, 2023 | May 11, 2022 | Mar. 31, 2023
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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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