COMMITMENTS AND CONTINGENCIES - Franchise and Management Agreements (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Franchise agreements
Commitments and contingencies
Fees related to the agreement	$ 2.4	$ 12.5	$ 11.9	$ 24.0
Management Agreements
Commitments and contingencies
Fees related to the agreement	$ 0.6	$ 4.5	$ 3.7	$ 9.6
Management Agreements | Maximum
Commitments and contingencies
Term of contract			5 years