LEASES - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Lessee, Lease, Description [Line Items]
Finance lease, converted to operating lease	$ 82.1
Operating lease, conversion amount	39.9
Short term, finance lease liability, conversion amount	2.7
Finance lease liabilities, converted	93.5
Short term lease operating lease liabilities	3.5
Finance lease, converted to operating lease liabilities	$ 52.9
Rent expense		$ 8.7	$ 15.2
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term	2 years
Renewal term	5 years
Termination period	4 months
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	34 years
Renewal term	15 years
Termination period	120 months