INTANGIBLE ASSETS, NET (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Original amounts	$ 50,391	$ 50,391
Accumulated amortization	44,683	39,008
Amortized cost	5,708	11,383
Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Original amounts	42,504	42,504
Accumulated amortization	38,232	33,243
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Original amounts	4,466	4,466
Accumulated amortization	4,466	3,999
Marketing rights and patents [Member]
Finite-Lived Intangible Assets [Line Items]
Original amounts	3,421	3,421
Accumulated amortization	$ 1,985	$ 1,766

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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