Management Agreements and Leases - Sonesta (Details) $ in Thousands			1 Months Ended	3 Months Ended				9 Months Ended
	Nov. 01, 2022 USD ($) hotel	Jan. 01, 2022 USD ($) hotel renewalOption	Nov. 01, 2022 USD ($) hotel	Sep. 30, 2022 USD ($) hotel property	Jun. 30, 2022 USD ($) property	Mar. 31, 2022 USD ($) property	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) hotel property	Sep. 30, 2021 USD ($)	Nov. 02, 2022 USD ($)	Dec. 31, 2021 USD ($)
Management Agreements and Leases [Line Items]
Net proceeds from sale of real estate								$ 517,956	$ 33,772
Book value				$ 6,643,484				6,643,484			$ 6,943,974
Capital improvements from leased facilities, funded								68,790	64,340
Due from related persons				$ 58,292				$ 58,292			48,168
Disposed of by sale
Management Agreements and Leases [Line Items]
Number of properties sold | property								80
Aggregate sales price, excluding closing costs								$ 531,737
Gain (loss) on disposition of assets								$ 44,235
Sonesta agreements
Management Agreements and Leases [Line Items]
Percentage of historical real estate investments				47.70%				47.70%
Percent of gross revenues from hotel operations placed in FF&E reserve								5.00%
Net Lease
Management Agreements and Leases [Line Items]
Number of properties owned | property				769				769
Net Lease | Held-for-sale
Management Agreements and Leases [Line Items]
Carrying value of properties held for sale				$ 11,819				$ 11,819
Hotels
Management Agreements and Leases [Line Items]
Number of properties to be sold or rebranded | hotel				22				22
Carrying value of properties held for sale				$ 133,239				$ 133,239
Hotels | Disposed of by sale
Management Agreements and Leases [Line Items]
Annual priority return amount								$ 73,851
Number of properties sold				5	51	5		61
Aggregate sales price, excluding closing costs				$ 29,700	$ 427,694	$ 60,174		$ 517,568
Gain (loss) on disposition of assets				(186)	$ 39,878	$ 4,990		44,682
Owner's priority amount				$ 5,408				$ 5,408
Hotels | Disposed of by sale | Subsequent event
Management Agreements and Leases [Line Items]
Number of properties sold | hotel			1
Aggregate sales price			$ 6,025
Owner's priority amount										$ 902
Net proceeds from sale of real estate	$ 25,170
Book value	22,996		$ 22,996
Hotels | Held-for-sale
Management Agreements and Leases [Line Items]
Number of properties owned | hotel				1				1
Number of properties to be sold or rebranded | hotel				6				6
Hotels | Held-for-sale | Subsequent event
Management Agreements and Leases [Line Items]
Net proceeds from sale of real estate	$ 162,470
Hotels | Sonesta agreements
Management Agreements and Leases [Line Items]
Percent payment of hotel cash flows				80.00%				80.00%
Hotel net income (loss)				$ 67,765			$ 40,728	$ 148,217	28,531
Related party transaction, management marketing and reservation system fees				31,136			26,640	87,615	59,962
Procurement and construction supervision fees				284			184	840	1,571
Capital improvements from leased facilities, funded								56,297	76,035
Advanced working capital				$ 49,218				$ 49,218			56,697
Hotels | Sonesta Int'l Hotels Corp
Management Agreements and Leases [Line Items]
Number of properties owned | hotel		261		200				200
Number of properties to be sold or rebranded | hotel		67
Number of real estate properties to be retained | hotel		194
Number of renewal options | renewalOption		2
Term of renewal options		15 years
Annual priority return amount		$ 325,200
Annual priority return percentage		6.00%
Due to related party, reimbursement of capital expenditures and other				$ 7,252				$ 7,252			5,016
Hotels | Sonesta Int'l Hotels Corp | Return Of Capital
Management Agreements and Leases [Line Items]
Due from related persons				21,213				21,213			$ 4,592
Hotels | Sonesta Int'l Hotels Corp | Held-for-sale | Subsequent event
Management Agreements and Leases [Line Items]
Number of properties owned | hotel	4		4
Hotels | Sonesta Int'l Hotels Corp | Sonesta agreements | Return Of Capital
Management Agreements and Leases [Line Items]
Due from related persons				$ 3,378			$ 6,083	$ 3,378	$ 6,083
Hotels | Sonesta Int'l Hotels Corp | Full service hotel
Management Agreements and Leases [Line Items]
Number of real estate properties leased or managed | hotel				40				40
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
Hotels | Sonesta Int'l Hotels Corp | Select service hotels
Management Agreements and Leases [Line Items]
Number of real estate properties leased or managed | hotel				49				49