Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Fair value of all asset derivatives designated as cash flow hedging instruments.

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Fair value of all liability derivatives designated as cash flow hedging instruments.

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset.

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SIGNIFICANT ACCOUNTING POLICIES (Derivatives and Hedging) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Derivative [Line Items]
Net income (losses) recognized in financial income, net	$ 1	$ 3	$ (30)
Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Fair value of outstanding hedging contacts	4
Designated as Hedging Instrument [Member]
Derivative [Line Items]
Notional amount	3,327	4,963
Fair value of outstanding hedging contacts assets	23
Fair value of outstanding hedging contacts liabilities		7
Fair value of derivative contracts assets	$ 27
Fair value of derivative contracts liabilities		$ 7