COMMITMENTS AND CONTINGENCIES - Franchise and Management Agreements (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Franchise agreements
Commitments and contingencies
Fees related to the agreement	$ 4.6	$ 11.8	$ 16.5	$ 35.8
Management Agreements
Commitments and contingencies
Fees related to the agreement	$ 1.3	$ 3.7	$ 5.1	$ 13.3
Management Agreements | Maximum
Commitments and contingencies
Term of contract			5 years