REVENUE RECOGNITION - Loyalty Programs (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Hotel
Disaggregation of Revenue [Line Items]
Goods and services provided without charge	$ 4,586	$ 3,558
Food and beverage
Disaggregation of Revenue [Line Items]
Goods and services provided without charge	7,833	5,790
Other
Disaggregation of Revenue [Line Items]
Goods and services provided without charge	1,774	1,378
Loyalty Programs
Disaggregation of Revenue [Line Items]
Goods and services provided without charge	$ 14,193	$ 10,726