v3.26.1
Business and Property Management Agreements with RMR - Business Management Fees, Property Management Fees and Construction Supervision Fees (Details) - RMR LLC - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Business management agreement    
Related Party Transaction [Line Items]    
Related party transaction amount $ 3,023 $ 3,115
Recognized amortization of the liability 151 151
Reimbursement amounts 121 121
Property management agreement    
Related Party Transaction [Line Items]    
Related party transaction amount 3,085 3,181
Property management fees    
Related Party Transaction [Line Items]    
Related party transaction amount 2,961 2,874
Construction supervision fees    
Related Party Transaction [Line Items]    
Related party transaction amount 124 307
Expense Reimbursement    
Related Party Transaction [Line Items]    
Related party transaction amount 5,240 5,538
Property level expenses    
Related Party Transaction [Line Items]    
Related party transaction amount 5,196 5,488
Other reimbursed expenses    
Related Party Transaction [Line Items]    
Related party transaction amount $ 44 $ 50