Revenue From Contracts With Customers - Disaggregation by Booking Source (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Revenues	$ 1,218,219	$ 1,275,059	$ 1,282,725
Room revenues
Disaggregation of Revenue [Line Items]
Revenues	1,171,726	1,237,311	$ 1,260,868
Other Hotel Revenues
Disaggregation of Revenue [Line Items]
Revenues	24,400	21,900
Property direct | Room revenues
Disaggregation of Revenue [Line Items]
Revenues	286,002	360,718
Central call center | Room revenues
Disaggregation of Revenue [Line Items]
Revenues	312,956	303,336
Proprietary website | Room revenues
Disaggregation of Revenue [Line Items]
Revenues	225,393	220,734
Third-party intermediaries | Room revenues
Disaggregation of Revenue [Line Items]
Revenues	307,478	300,965
Travel agency global distribution systems | Room revenues
Disaggregation of Revenue [Line Items]
Revenues	$ 39,897	$ 51,558