Management Agreements and Leases - Sonesta (Details) $ in Thousands		1 Months Ended	3 Months Ended
	Feb. 27, 2020 USD ($) hotel	Mar. 31, 2021 USD ($) hotel	Mar. 31, 2021 USD ($) hotel	Mar. 31, 2020 USD ($)	Jan. 01, 2021 hotel	Dec. 31, 2020 USD ($)
Management Agreements and Leases [Line Items]
Capital improvements from leased facilities, funded			$ 21,891	$ 31,343
Equity in losses of an investee			$ (2,843)	(718)
Sonesta Int'l Hotels Corp
Management Agreements and Leases [Line Items]
Noncontrolling interest, ownership percentage		34.00%	34.00%
Sonesta Int'l Hotels Corp
Management Agreements and Leases [Line Items]
Capital contribution payment		$ 25,443
Hotel
Management Agreements and Leases [Line Items]
Number of properties owned | hotel		310	310
Sonesta agreements
Management Agreements and Leases [Line Items]
Percentage of historical real estate investments		52.20%	52.20%
Percent of gross revenues from hotel operations placed in FF&E reserve	5.00%
Equity method investments, carrying value		$ 59,246	$ 59,246
Amount of cost basis exceeding book value	$ 8,000
Amortization period	31 years
Amortization of basis difference			65
Equity in losses of an investee			(2,778)	(718)
Decrease in hotel operating expense			(621)	207
Unamortized balance		$ 39,310	$ 39,310
Hyatt Hotels Corporation | Hotel
Management Agreements and Leases [Line Items]
Number of properties owned | hotel		22	22
Sonesta Int'l Hotels Corp | Hotel
Management Agreements and Leases [Line Items]
Number of properties owned | hotel		256	256
Hotel | Sonesta agreements
Management Agreements and Leases [Line Items]
Number of properties owned | hotel		203	203		115
Automatic renewal term			1 year
Percentage increase in minimum returns			8.00%
Annual minimum returns and rents			$ 502,494
Percent payment of hotel cash flows		80.00%	80.00%
Hotel net income (loss)			$ (37,394)	(8,146)
Related party transaction, management marketing and reservation system fees			11,275	6,779
Procurement and construction supervision fees			743	633
Capital improvements from leased facilities, funded			21,713	29,036
Increase (decrease) in annual minimum returns and rents			1,737	2,141
Advanced working capital		$ 55,360	$ 55,360			$ 41,514
Hotel | Sonesta Legacy Management and Pooling Agreement
Management Agreements and Leases [Line Items]
Number of properties owned | hotel		53	53
Hotel | Hyatt Hotels Corporation
Management Agreements and Leases [Line Items]
Number of properties owned | hotel		22	22
Hotel | Sonesta Int'l Hotels Corp
Management Agreements and Leases [Line Items]
Number of properties owned | hotel		256	256
Due to related party, reimbursement of capital expenditures and other		$ 41,361	$ 41,361	$ 13,323
Hotel | Sonesta Int'l Hotels Corp | Full service hotel
Management Agreements and Leases [Line Items]
Number of real estate properties leased or managed | hotel	14	41	41
Hotel | Sonesta Int'l Hotels Corp | Limited services hotel
Management Agreements and Leases [Line Items]
Number of real estate properties leased or managed | hotel	39	157	157
Hotel | Sonesta Int'l Hotels Corp | Select service hotels
Management Agreements and Leases [Line Items]
Number of real estate properties leased or managed | hotel		58	58