LEASES (Lease Cost) (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 cost	$ 1,341	$ 2,396	$ 3,439	$ 4,833
Variable lease cost	136	81	214	157
Total lease cost	$ 1,477	$ 2,477	$ 3,653	$ 4,990