SIGNIFICANT ACCOUNTING POLICIES (Details 1) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Amounts reclassified from AOCI	$ 0	$ 0	$ (27)
AOCI
Balance as of January 1, 2018	(44)
Other comprehensive income (loss) before reclassifications	(477)
Amounts reclassified from AOCI	245
Other comprehensive income (loss)	(232)
Balance as of December 31, 2018	(276)	(44)
Unrealized gains (losses) on Available-For-Sale Marketable Securities \| AOCI
Balance as of January 1, 2018	(44)
Other comprehensive income (loss) before reclassifications	12
Amounts reclassified from AOCI	0
Other comprehensive income (loss)	12
Balance as of December 31, 2018	(32)	(44)
Unrealized gains (losses) on cash flow hedges \| AOCI
Balance as of January 1, 2018	0
Other comprehensive income (loss) before reclassifications	(489)
Amounts reclassified from AOCI	245
Other comprehensive income (loss)	(244)
Balance as of December 31, 2018	$ (244)	$ 0

Accumulated unrealized gain (loss), after tax, on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities and unrealized holding gain (loss) related to transfers of securities into the available-for-sale classification and out of the held-to-maturity classification.

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Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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