Business and Property Management Agreements with RMR - Schedule of Business Management Fees, Property Management Fees and Construction Supervision Fees Recognized (Details) - RMR LLC - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Net business management fees | ||||
| Real Estate Properties [Line Items] | ||||
| Transaction amount | $ 6,432 | $ 7,576 | $ 19,131 | $ 21,406 |
| Recognized amortization of liability | 896 | 2,689 | 896 | 2,689 |
| Property management agreement | ||||
| Real Estate Properties [Line Items] | ||||
| Transaction amount | 3,290 | 2,563 | 9,487 | 7,882 |
| Property management fees | ||||
| Real Estate Properties [Line Items] | ||||
| Transaction amount | 2,788 | 2,162 | 8,307 | 6,359 |
| Construction supervision fees | ||||
| Real Estate Properties [Line Items] | ||||
| Transaction amount | 502 | 401 | 1,180 | 1,523 |
| Expense reimbursement | ||||
| Real Estate Properties [Line Items] | ||||
| Transaction amount | $ 1,354 | $ 1,241 | $ 3,450 | $ 3,541 |