Business and Property Management Agreements with RMR - Schedule of Business Management Fees, Property Management Fees and Construction Supervision Fees (Details) - RMR LLC - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Net business management fees
Real Estate Properties [Line Items]
Transaction amount	$ 6,930	$ 7,757
Recognized amortization of liability	896	896
Property management agreement
Real Estate Properties [Line Items]
Transaction amount	2,744	3,180
Property management fees
Real Estate Properties [Line Items]
Transaction amount	2,087	1,484
Construction supervision fees
Real Estate Properties [Line Items]
Transaction amount	657	1,696
Expense reimbursement
Real Estate Properties [Line Items]
Transaction amount	$ 1,195	$ 1,094