IMPAIRMENT LOSSES AND RESTRUCTURING CHARGES Textual (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Jun. 30, 2017	Sep. 30, 2017	Sep. 30, 2016
Restructuring Cost and Reserve [Line Items]
Impairment losses		$ 53	$ 174
Facility Closing
Restructuring Cost and Reserve [Line Items]
Expenses		342
Domestic | Employee Severance
Restructuring Cost and Reserve [Line Items]
Expenses		262
Domestic | Facility Closing
Restructuring Cost and Reserve [Line Items]
Impairment losses	$ 53
Expenses		$ 97