GOODWILL AND INTANGIBLE ASSETS (Future Amortization Expense) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015		Dec. 31, 2014
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
2015 (remaining 9 months)	$ 5,133
2016	6,303
2017	5,904
2018	5,152
2019	4,753
Thereafter	9,562
Total	36,807	[1]
Finite-Lived Intangible Assets, Gross	67,800		58,780
In-process research and developement [Member]
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
Finite-Lived Intangible Assets, Gross	$ 4,690		$ 4,690

[1] The total above excludes $4.7 million of in-process research and development that will be amortized upon completion of development over the estimated useful life of the technology.