Management Agreements and Leases - Sonesta (Details) $ in Thousands		3 Months Ended				12 Months Ended
	Feb. 27, 2020	Mar. 31, 2023 USD ($) hotel	Mar. 31, 2023 USD ($) hotel property	Mar. 31, 2023 USD ($) hotel	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($) hotel
Management Agreements and Leases [Line Items]
Capital improvements from leased facilities, funded		$ 28,551			$ 26,561
Due from related persons		$ 48,681	$ 48,681	$ 48,681		$ 35,033
Disposed of by sale
Management Agreements and Leases [Line Items]
Number of properties sold | property			18
Sonesta agreements
Management Agreements and Leases [Line Items]
Percentage of historical real estate investments		48.40%	48.40%	48.40%
Percent of gross revenues from hotel operations placed in escrow or FF&E reserve	5.00%
Hotels | Disposed of by sale
Management Agreements and Leases [Line Items]
Number of properties sold			18	2		65
Hotels | Sonesta agreements
Management Agreements and Leases [Line Items]
Percent payment of hotel cash flows		80.00%	80.00%	80.00%
Hotel net income (loss)		$ 30,237			3,029
Related party transaction, management marketing and reservation system fees		26,136			23,797
Procurement and construction supervision fees		207			285
Capital improvements from leased facilities, funded		17,643			19,067
Advanced working capital		47,990	$ 47,990	$ 47,990		$ 48,580
Hotels | Sonesta Int'l Hotels Corp
Management Agreements and Leases [Line Items]
Due to related party, reimbursement of capital expenditures and other		5,555	5,555	5,555		4,633
Hotels | Sonesta Int'l Hotels Corp | Return Of Capital
Management Agreements and Leases [Line Items]
Due from related persons		21,403	21,403	21,403	331,469	$ 2,975
Hotels | Sonesta Int'l Hotels Corp | Sonesta agreements | Return Of Capital
Management Agreements and Leases [Line Items]
Due from related persons		$ 1,059	$ 1,059	$ 1,059	$ 1,144
Hotels | Sonesta Int'l Hotels Corp | Full service hotel
Management Agreements and Leases [Line Items]
Number of real estate properties leased or managed | hotel		39	39	39
Hotels | Sonesta Int'l Hotels Corp | Limited services hotel
Management Agreements and Leases [Line Items]
Number of real estate properties leased or managed | hotel		111	111	111
Hotels | Sonesta Int'l Hotels Corp | Select service hotels
Management Agreements and Leases [Line Items]
Number of real estate properties leased or managed | hotel		44	44	44