RESTRUCTURING - Rollforward of Restructuring Reserve (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2016 USD ($)
Restructuring Reserve [Roll Forward]
Balance	$ 734
Expense	0
Payments	(416)
Other Adjustments	(1)
Balance	317
Severance
Restructuring Reserve [Roll Forward]
Balance	452
Expense	0
Payments	(365)
Other Adjustments	13
Balance	100
Contract termination costs
Restructuring Reserve [Roll Forward]
Balance	282
Expense	0
Payments	(51)
Other Adjustments	(14)
Balance	217
Equipment moving costs
Restructuring Reserve [Roll Forward]
Balance	0
Expense	0
Payments	0
Other Adjustments	0
Balance	0
Other exit costs
Restructuring Reserve [Roll Forward]
Balance	0
Expense	0
Payments	0
Other Adjustments	0
Balance	$ 0