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Business and Property Management Agreements with RMR (Details) $ in Thousands | 3 Months Ended
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Mar. 31, 2024 USD ($) employee jointVenture_arrangement agreement | Mar. 31, 2023 USD ($)
Related person transactions |  |
Number of employees | employee | 0 |
Property management and construction supervision fees | $ 1,904 | $ 1,992
Property management and construction supervision fees paid | 3,728 | 3,533
RMR |  |
Related person transactions |  |
Business management fees incurred | 4,878 | 3,270
Estimated incentive fees | $ 849 |
Period of actual amount of incentive fees | 3 years |
Property management and construction supervision fees | $ 1,538 | 1,463
Party transaction property management and construction supervision fees capitalized | $ 366 | $ 529
Number joint venture arrangements | jointVenture_arrangement | 2 |
Senior Living Communities | RMR |  |
Related person transactions |  |
Number of consecutive renewal terms of agreement | agreement | 2 |

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