PENSION LIABILITY - Components of Net Periodic Pension Cost (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
PENSION LIABILITY
Service Cost	$ 258
Interest Cost	480	$ 199
Expected return on plan assets	(148)	(170)
Amortization of actuarial gain and losses	116	118
Net periodic pension cost	$ 706	$ 147