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TAXES ON INCOME (Reconciliation of Beginning and Ending Balances of Unrecognized Tax Benefits) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Income Tax Disclosure [Abstract] |  |  |  |
Balance at beginning of year |  | $ 129 | [1] | $ 776
Settlements with tax authorities |  |  |  | (718)
Reductions for prior years' tax position |  |  |  | (58)
Additions for prior years' tax position | [1] | 1,809 |  | 129
Additions for current years' tax position |  | 296 |  |
Balance at end of year | [1] | $ 2,234 |  | $ 129
[1] | The amount for the year ended December 31, 2018 includes $1,989 of unrecognized tax benefits which are presented as a reduction from deferred tax assets, see Note 10d.

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