LEASES - Narrative (Details)	9 Months Ended
	Sep. 30, 2019 renewal_option
Lessee, Lease, Description [Line Items]
Number of options to renew	1
Minimum
Lessee, Lease, Description [Line Items]
Renewal term (years)	1 year
Maximum
Lessee, Lease, Description [Line Items]
Renewal term (years)	20 years