RESTRUCTURING AND EXIT ACTIVITIES (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($)
Restructuring Reserve [Roll Forward]
Balance at beginning of period	$ 0
Charges	144
Settlements	(122)
Balance at end of period	22
Termination Benefits [Member]
Restructuring Reserve [Roll Forward]
Balance at beginning of period	0
Charges	92
Settlements	(74)
Balance at end of period	18
Facility Costs And Contract Termination [Member]
Restructuring Reserve [Roll Forward]
Balance at beginning of period	0
Charges	52
Settlements	(48)
Balance at end of period	$ 4