LEASES - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Leases [Abstract]
Operating lease, expense	$ 700	$ 600	$ 1,300	$ 1,100
Finance lease amortization expense	165	5	176	14
Finance lease, interest expense	$ 3	$ 0	$ 4	$ 1