LEASES - Lease Cost Components (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Lessee, Lease, Description [Line Items]
Total lease cost	$ 305	$ 335
Selling, general and administrative expenses
Lessee, Lease, Description [Line Items]
Operating lease cost	157	187
Other
Lessee, Lease, Description [Line Items]
Operating lease cost	148	148
Sublease Income	$ 347	$ 362