Management Agreements and Leases - Additional Lease Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($) travel_center hotel lease_agreement	Jan. 01, 2019 USD ($)
Management Agreements and Leases [Line Items]
Lease liability	$ 76,148
Hotel
Management Agreements and Leases [Line Items]
Number of properties on leased land | lease_agreement	14
Rental expense related to operating leases	$ 3,397
Number of properties owned | hotel	327
Travel centers
Management Agreements and Leases [Line Items]
Number of properties on leased land | lease_agreement	1
Number of properties owned | travel_center	179
Accounting Standards Update 2016-02
Management Agreements and Leases [Line Items]
Right of use asset	$ 76,148	$ 77,010
Lease liability	76,148	$ 77,010
Land | Travel centers
Management Agreements and Leases [Line Items]
Rental expense related to operating leases	$ 429
Number of properties owned | travel_center	14
Lease term	12 years
Minimum | Land | Travel centers
Management Agreements and Leases [Line Items]
Lease term	1 month
Maximum | Land | Travel centers
Management Agreements and Leases [Line Items]
Lease term	32 years