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RELATED PARTY BALANCES AND TRANSACTIONS (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Rad Bynet [Member]
Related Party Transaction [Line Items]
Reimbursements for services provided	$ 1,857	$ 1,668	$ 1,060
Inventories [Member] | Rad Bynet [Member]
Related Party Transaction [Line Items]
Expenses	1,325	2,866	2,911
Purchase Of Property And Equpment [Member]
Related Party Transaction [Line Items]
Expenses	224	1,019	51
Purchase Of Property And Equpment [Member] | Rad Bynet [Member]
Related Party Transaction [Line Items]
Expenses	224	1,019	51
Rent And Maintenance [Member]
Related Party Transaction [Line Items]
Expenses	$ 1,849	$ 1,963	$ 2,182

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- Definition

Related Party Transaction, reimbursements for services provided

+ References

No definition available.

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- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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