RESTRUCTURING ACTIVITIES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Activity and liability balances related to restructuring costs [Roll Forward]
Liability, beginning balance	$ 110	$ 0
New charges	1,409	1,770
Cash payment and other settlements	(931)	(1,660)
Liability, ending balance	588	110
Other restructuring costs	700
Severance Costs [Member]
Activity and liability balances related to restructuring costs [Roll Forward]
Liability, beginning balance	110	0
New charges	1,407	1,144
Cash payment and other settlements	(929)	(1,034)
Liability, ending balance	588	110
Other Restructuring Costs [Member]
Activity and liability balances related to restructuring costs [Roll Forward]
Liability, beginning balance	0	0
New charges	2	626
Cash payment and other settlements	(2)	(626)
Liability, ending balance	$ 0	$ 0