Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	$ 182,832	$ 217,806
Non-Topic 606 revenues	115	369
Total revenues	182,947	218,175
Over time
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	169,189	204,948
Point in time
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	13,643	12,858
Royalty fees
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	66,047	70,339
Royalty fees | Over time
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	66,047	70,339
Royalty fees | Point in time
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	0	0
Initial franchise and relicensing fees
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	5,427	7,284
Initial franchise and relicensing fees | Over time
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	5,427	7,284
Initial franchise and relicensing fees | Point in time
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	0	0
Procurement services
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	11,191	13,797
Procurement services | Over time
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	10,739	13,288
Procurement services | Point in time
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	452	509
Marketing and reservation system
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	91,521	110,385
Marketing and reservation system | Over time
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	79,052	99,329
Marketing and reservation system | Point in time
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	12,469	11,056
Owned hotels
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	4,239	9,314
Total revenues	4,354	9,422
Owned hotels | Over time
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	3,517	8,021
Owned hotels | Point in time
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	722	1,293
Other
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	4,407	6,687
Total revenues	4,407	6,948
Other | Over time
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	4,407	6,687
Other | Point in time
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]
Revenues	$ 0	$ 0