Management Agreements and Leases - Other, Net Lease Portfolio and TA Leases (Details)		3 Months Ended		6 Months Ended
	May 15, 2023 USD ($) renewalOption $ / shares	Jun. 30, 2023 USD ($) ft² agreement hotel property	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) ft² agreement hotel property	Jun. 30, 2022 USD ($)	Feb. 15, 2023 USD ($)	Dec. 31, 2022 USD ($)
Management Agreements and Leases [Line Items]
Cash provided by (used in) operating activities				$ 328,503,000	$ 59,297,000
Number of operating agreements | agreement		4		4
Rental income		$ 99,452,000	$ 96,793,000	$ 193,865,000	193,151,000
Adjustments necessary to record rent on straight line basis		2,767,000	(1,712,000)	319,000	(3,685,000)
Reserves recorded (reduced) for uncollectible amounts against rental income		1,813,000	(160,000)	5,353,000	667,000
Proceeds from sale of tradenames and trademarks				89,400,000	0
COVID-19
Management Agreements and Leases [Line Items]
Reserves for uncollectible rents		11,187,000		11,187,000			$ 7,697,000
TravelCenters of America Inc. | BP Products North America Inc.
Management Agreements and Leases [Line Items]
Business acquisition, share price (in dollars per share) | $ / shares	$ 86.00
TravelCenters of America Inc.
Management Agreements and Leases [Line Items]
Deferred percentage rental income		$ 3,507,000	2,839,000	3,507,000	5,338,000
BP Products North America Inc.
Management Agreements and Leases [Line Items]
Annual increase percentage (in percent)	2.00%
Lease term	10 years
Number of renewal options | renewalOption	5
Renewal term	10 years
Business combination BP prepay amount	$ 188,000,000
Monthly rent credit amount	25,000,000
Guarantee obligations						$ 3,040,000,000
Net Lease Property
Management Agreements and Leases [Line Items]
Operating agreement annual rent and return				$ 375,781,000
Percentage of portfolio leased by tenants		96.10%		96.10%
Number of brands | hotel		134		134
Number of industries | agreement		21		21
Affiliated Entity
Management Agreements and Leases [Line Items]
Deferred percentage rental income		$ 0	2,839,000	$ 0	5,338,000
Hotels
Management Agreements and Leases [Line Items]
Number of properties owned | hotel		221		221
Net Lease Property
Management Agreements and Leases [Line Items]
Number of properties owned | property		763		763
Percentage of portfolio leased by tenants		930.00%		930.00%
Number of tenants | hotel		173		173
Net Lease Property | Travel Centers of America | Real Estate Investment Property At Cost | Credit Concentration Risk
Management Agreements and Leases [Line Items]
Percentage of total annual minimum rents		29.20%
Hotels and net lease properties
Management Agreements and Leases [Line Items]
Square feet | ft²		13,469,478		13,469,478
Travel centers | TravelCenters of America Inc.
Management Agreements and Leases [Line Items]
Operating agreement annual rent and return	254,000,000			$ 254,000,000
Rental income		$ 65,260,000	62,186,000	127,401,000	124,269,000
Adjustments necessary to record rent on straight line basis		2,555,000	(3,241,000)	686,000	(6,585,000)
Quarterly payments to deferred rent receivable				4,404,000
Accruals for unpaid rent, including deferred rent		9,076,000		9,076,000			$ 30,764,000
Proceeds from sale of tradenames and trademarks	$ 89,400,000
IHG Agreement | Hotels
Management Agreements and Leases [Line Items]
Cash provided by (used in) operating activities		$ 1,517,000	1,208,000	$ 2,280,000	1,337,000
IHG Agreement | Hotels | Ravinia, GA
Management Agreements and Leases [Line Items]
Number of properties owned | hotel		1		1
TA agreements | Travel centers | TravelCenters of America Inc.
Management Agreements and Leases [Line Items]
Number of operating agreements | hotel		5		5
SMTA Transaction
Management Agreements and Leases [Line Items]
Rental income		$ 34,192,000	34,607,000	$ 66,464,000	68,927,000
Adjustments necessary to record rent on straight line basis		$ 212,000	$ 1,530,000	$ 1,005,000	$ 2,901,000