Management Agreements and Leases - IHG Agreement (Details) $ in Thousands				1 Months Ended		3 Months Ended	12 Months Ended
	Dec. 01, 2020 USD ($) hotel	Mar. 12, 2020 USD ($)	Sep. 20, 2019 USD ($)	Jul. 31, 2020 USD ($)	Apr. 30, 2020 USD ($)	Dec. 15, 2020 hotel	Dec. 31, 2020 USD ($) travelCenter hotel	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Management Agreements and Leases [Line Items]
Number of properties | travelCenter							1,109
Transaction value			$ 2,482,382						$ 127,597
Hotel
Management Agreements and Leases [Line Items]
Transaction value		$ 7,071						$ 2,711,985
Hotel | IHG
Management Agreements and Leases [Line Items]
Number of properties | hotel							103
Hotel | Sonesta
Management Agreements and Leases [Line Items]
Number of properties with transferred branding and management | hotel							9
Hotel | IHG Agreement
Management Agreements and Leases [Line Items]
Annual minimum returns and rents							$ 216,551
Security deposit balance required to be maintained with entity							37,000
Amount by which the cash flow available to pay the entity's minimum rent or return was more than the minimum amount							100,000
Replenishment (utilization) of security deposit				$ (75,717)
Realized returns and rents							$ 107,888	$ 205,941	$ 189,981
Percent of gross revenues							5.00%
Working capital advances					$ 37,000
Hotel | IHG Agreement | Ravinia, GA
Management Agreements and Leases [Line Items]
Number of properties | hotel	1
Transaction value	$ 128,500
Period prior to option notice date	24 months
Percent used to divide acquisition price	8.00%
Property management fees, percentage of gross revenue	3.00%
Hotel | IHG Agreement | Sonesta
Management Agreements and Leases [Line Items]
Number of properties with transferred branding and management | hotel						115