REVENUE FROM CONTRACTS WITH CUSTOMERS - Performance Obligations (Details) $ in Millions	3 Months Ended
	Mar. 31, 2020 USD ($)
Owned hotels
Disaggregation of Revenue [Line Items]
Outstanding contract liabilities	$ 10.7
Performance obligation, term	1 year
Franchised Hotels
Disaggregation of Revenue [Line Items]
Outstanding contract liabilities	$ 5.4
Performance obligation, term	20 years