LEASES - Narrative (Details)	3 Months Ended
	Mar. 31, 2019
Lessee, Lease, Description [Line Items]
Extension term	2 years
Termination term	1 year
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease terms	1 year
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease terms	20 years