Commitments and Contingencies - Management Fees, Franchise Costs and Renovation Commitments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Basic and incentive management fees incurred
Basic management fees	$ 7,534	$ 7,895
Incentive management fees	2,720	2,553
Total basic and incentive management fees	10,254	10,448
License and Franchise Agreements
Franchise assessments	5,908	5,927
Franchise royalties	1,945	2,128
Total franchise costs	$ 7,853	$ 8,055
Minimum
Management Agreements
Basic management fees (as a percent)	1.75%
Maximum
Management Agreements
Basic management fees (as a percent)	3.50%
Renovation and Construction Commitments
Renovation and Construction Commitments
Remaining construction commitments	$ 78,500