RESTRUCTURING RELATED EXPENSES (Restructuring Activity) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Restructuring Reserve [Roll Forward]
Liability balance at beginning of period	$ 383	$ 265
Increase in liability	808	2,375
Reduction in liability (payments)	(840)	(2,257)
Liability balance at end of period	$ 351	$ 383