ACQUISITION (Narrative) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2015	Dec. 31, 2015	May. 13, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
Acquisition Date	May 13, 2015
Total purchase price	$ 15,000
Cash paid	14,000
Holdback amount	$ 1,000
Intangible assets			$ 12,900
Net liabilities			(500)
Goodwill		$ 154,539	2,600	$ 156,178
Acquisition-related costs		$ 500
In Process Research and Development [Member]
Business Acquisition [Line Items]
Intangible assets			12,000
Useful life	15 years
Customer Relationships [Member]
Business Acquisition [Line Items]
Intangible assets			$ 900
Useful life	10 years