Management Agreements and Leases - Other, Net Lease Portfolio and TA Leases (Details) $ / shares in Units, $ in Thousands		3 Months Ended
	Feb. 15, 2023 USD ($) renewalOption travelCenter $ / shares	Mar. 31, 2023 USD ($) ft² hotel agreement tenant $ / shares	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($) $ / shares
Management Agreements and Leases [Line Items]
Cash provided by (used in) operating activities		$ 12,373	$ (11,983)
Number of operating agreements | agreement		4
Rental income		$ 94,413	96,358
Adjustments necessary to record rent on straight line basis		$ (2,448)	(1,973)
Common shares, par value (in dollars per share) | $ / shares		$ 0.01		$ 0.01
Reserves recorded (reduced) for uncollectible amounts against rental income		$ 3,540
BP Products North America Inc.
Management Agreements and Leases [Line Items]
Common shares, par value (in dollars per share) | $ / shares	$ 0.001
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
BP Products North America Inc.
Management Agreements and Leases [Line Items]
Operating agreement annual rent and return	$ 254,000
Number of ground leases | travelCenter	176
Annual increase percentage	2.00%
Lease term	10 years
Number of renewal options | renewalOption	5
Renewal term	10 years
Business combination BP prepay amount	$ 188,000
Monthly rent credit amount	25,000
Guarantee obligations	3,040,000
BP Products North America Inc. | Tradenames And Trademarks
Management Agreements and Leases [Line Items]
Tradenames and trademarks	$ 89,400
COVID-19
Management Agreements and Leases [Line Items]
Reserves recorded (reduced) for uncollectible amounts against rental income		(507)
Reserves for uncollectible rents		11,209		$ 7,697
SMTA Transaction
Management Agreements and Leases [Line Items]
Rental income		32,272	34,320
Adjustments necessary to record rent on straight line basis		793	1,371
Net Lease Property
Management Agreements and Leases [Line Items]
Operating agreement annual rent and return		$ 369,756
Percentage of portfolio leased by tenants		97.40%
Number of brands | hotel		139
Number of industries | agreement		21
Net Lease Property | TravelCenters of America Inc.
Management Agreements and Leases [Line Items]
Number of properties owned | tenant		177
Travel Centers of America
Management Agreements and Leases [Line Items]
Deferred percentage rental income recognized		$ 30,764
Deferred percentage rental income		$ 2,385	2,391
Hotels and net lease properties
Management Agreements and Leases [Line Items]
Square feet | ft²		13,319,743
Hotels
Management Agreements and Leases [Line Items]
Number of properties owned | hotel		220
Hotels | IHG Agreement
Management Agreements and Leases [Line Items]
Cash provided by (used in) operating activities		$ 763	130
Hotels | IHG Agreement | Ravinia, GA
Management Agreements and Leases [Line Items]
Number of properties owned | hotel		1
Net Lease Property
Management Agreements and Leases [Line Items]
Number of properties owned | tenant		765
Percentage of portfolio leased by tenants		940.00%
Number of tenants | hotel		179
Net Lease Property | Real Estate Investment Property At Cost | Credit Concentration Risk | Travel Centers of America
Management Agreements and Leases [Line Items]
Percentage of total annual minimum rents		30.00%
Travel centers | Travel Centers of America
Management Agreements and Leases [Line Items]
Operating agreement annual rent and return		$ 246,110
Quarterly payments to deferred rent receivable			4,404
Rental income		62,141	62,038
Adjustments necessary to record rent on straight line basis		$ 3,241	$ 3,344
Accruals for unpaid rent, including deferred rent				$ 27,492
Increase in annual rent fixed interest rate		8.50%
Travel centers | Travel Centers of America | TA agreements
Management Agreements and Leases [Line Items]
Number of operating agreements | hotel		5