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Related Person Transactions (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023
The RMR Group Inc |  |  |
Related Party Transaction [Line Items] |  |  |
Property management agreement, termination notice period | 30 days |  |
RMR Group |  |  |
Related Party Transaction [Line Items] |  |  |
Real estate owned, property management and construction supervision fees |  | $ 71 | $ 17
Management Services | Tremont Realty Advisors LLC |  |  |
Related Party Transaction [Line Items] |  |  |
Shares owned by related party (in shares) |  | 1,708,058 |
Ownership percentage |  | 11.50% |
Management Services | Affiliated Entity | Diane Portnoy |  |  |
Related Party Transaction [Line Items] |  |  |
Ownership percentage |  | 13.50% |
Property Management Services | The RMR Group Inc |  |  |
Related Party Transaction [Line Items] |  |  |
Property management fee, percent fee | 3.00% |  |
Construction Supervision Services | The RMR Group Inc |  |  |
Related Party Transaction [Line Items] |  |  |
Property management fee, percent fee | 5.00% |  |

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