RESTRUCTURING, ROLLFORWARD (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Restructuring Reserve [Roll Forward]
Accrued restructuring balance, beginning	$ 739	$ 422
Accrual additions	2,322	2,585	$ 3,073
Cash payments	(2,806)	(2,268)
Accrued restructuring balance, ending	255	739	422
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Accrued restructuring balance, beginning	739	422
Accrual additions	2,194	2,461
Cash payments	(2,771)	(2,144)
Accrued restructuring balance, ending	162	739	422
Other [Member]
Restructuring Reserve [Roll Forward]
Accrued restructuring balance, beginning	0	0
Accrual additions	128	124
Cash payments	(35)	(124)
Accrued restructuring balance, ending	$ 93	$ 0	$ 0