Business and Property Management Agreements with RMR - Schedule of Business Management and Operating Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Business Management Agreement, Business Management Fees And Incentive Fees
Related Party Transaction [Line Items]
Related party transaction, amount	$ 8,365	$ 5,938	$ 22,132	$ 17,577
Business Management Fees
Related Party Transaction [Line Items]
Related party transaction, amount	5,927	5,938	17,416	17,577
Business Management Agreement, Incentive Fees
Related Party Transaction [Line Items]
Related party transaction, amount	2,438	0	4,716	0
Property Management and Construction Supervision Fees
Related Party Transaction [Line Items]
Related party transaction, amount	3,483	3,317	10,105	9,951
Property Management Fees
Related Party Transaction [Line Items]
Related party transaction, amount	3,250	3,202	9,755	9,648
Construction Supervision Fees
Related Party Transaction [Line Items]
Related party transaction, amount	233	115	350	303
Reimbursed Property Level Operating Expenses
Related Party Transaction [Line Items]
Related party transaction, amount	1,557	1,856	4,964	5,190
Reimbursed Property Level Operating Expenses \| General and Administrative Expense
Related Party Transaction [Line Items]
Related party transaction, amount	51	82	152	247
Reimbursed Property Level Operating Expenses \| Other Cost and Expense, Operating
Related Party Transaction [Line Items]
Related party transaction, amount	$ 1,506	$ 1,774	$ 4,812	$ 4,943