DERIVATIVE INSTRUMENTS (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Gains (losses) recognized in other comprehensive income (loss) (effective portion)	$ (244)	$ 142	$ (415)
Other Comprehensive Income (Loss) [Member]
Description of Location of Gain (Loss) on Foreign Currency Cash Flow Hedge Derivatives in Financial Statements	"Other comprehensive income (loss)"	"Other comprehensive income (loss)"
Gains (losses) recognized in other comprehensive income (loss) (effective portion)	$ (244)	$ 142
Other payables and accrued expenses [Member]
Description of Location of Foreign Currency Cash Flow Hedge Derivatives on Balance Sheet	"Other payables and accrued expenses"	"Other payables and accrued expenses"
Fair value of foreign exchange forward and options collar (cylinder) contracts	$ 293	$ 0

Description of where the foreign currency derivatives designated as cash flow hedges are reported in the balance sheet.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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Description of where the net gain (loss) on foreign currency derivatives designated as cash flow hedges are reported in the statement of income or other statement of financial performance. Includes description of amounts included in other comprehensive income.

+ References

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Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps.

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Amount after tax and reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss).

+ References

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