RESTRUCTURING ACTIVITIES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Activity and liability balances related to restructuring costs [Roll Forward]
Liability, beginning balance	$ 0	$ 0
New charges	1,770	1,832	$ 1,387
Cash payment and other settlements	(1,660)	(1,832)
Liability, ending balance	110	0	0
Severance Costs [Member]
Activity and liability balances related to restructuring costs [Roll Forward]
Liability, beginning balance	0	0
New charges	1,144	1,778
Cash payment and other settlements	(1,034)	(1,778)
Liability, ending balance	110	0	0
Other Restructuring Costs [Member]
Activity and liability balances related to restructuring costs [Roll Forward]
Liability, beginning balance	0	0
New charges	626	54
Cash payment and other settlements	(626)	(54)
Liability, ending balance	$ 0	$ 0	$ 0