Business and Property Management Agreements with RMR (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($) employee hotel	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) employee hotel	Sep. 30, 2022 USD ($)
Real Estate Properties [Line Items]
Number of employees | employee	0		0
Other operating expenses	$ 4,802	$ 3,511	$ 13,079	$ 9,162
RMR LLC
Real Estate Properties [Line Items]
Incentive fee calculation period			3 years
Related party property management and construction management fee	2,031	1,628	$ 5,289	4,527
RMR LLC | Property Management Fees
Real Estate Properties [Line Items]
Other operating expenses	923	975	2,805	3,007
RMR LLC | Construction and Supervision Fees Capitalized
Real Estate Properties [Line Items]
Other operating expenses	$ 1,108	653	$ 2,484	1,520
RMR LLC | Amended And Restate Business Management Agreement
Real Estate Properties [Line Items]
Number of management service agreements | hotel	2		2
Business management fees incurred	$ 8,287	8,272	$ 24,959	27,455
Related party reimbursement expenses	$ 1,182	$ 892	$ 3,301	$ 2,331