LEASES - Narrative (Details) $ in Millions	6 Months Ended
	Jun. 30, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Lease renewal term	1 month 6 days
Lease termination period	1 year
Lease not yet commenced, right-of-use asset	$ 3.3
Lease not yet commenced, liability	$ 3.3
Lease not yet commenced, term of contract	10 years
Minimum
Lessee, Lease, Description [Line Items]
Lease terms	1 year
Maximum
Lessee, Lease, Description [Line Items]
Lease terms	16 years
Lease renewal term	6 years