LEASES - Lease Cost Components (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Lessee, Lease, Description [Line Items]
Total lease cost	$ 363	$ 325	$ 668	$ 660
Selling, general and administrative expenses
Lessee, Lease, Description [Line Items]
Operating lease cost	216	178	373	365
Other loss
Lessee, Lease, Description [Line Items]
Operating lease cost	147	147	295	295
Sublease Income	$ 346	$ 361	$ 693	$ 723