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SHAREHOLDERS' EQUITY (Schedule Of Option Activity) (Details) - Employees and Directors [Member] - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
Number of options |  |
Options outstanding at beginning of year | 8,102,345 |
Options granted | 1,358,500 |
Options exercised | (3,070,542) |
Options forfeited | (430,047) |
Options expired |  |
Options outstanding at end of year | 5,960,256 | 8,102,345
Exercisable at end of year | 2,721,869 |
Weighted average exercise price |  |
Options outstanding at beginning of year | $ 4.52 |
Options granted | 13.34 |
Options exercised | 5.18 |
Options forfeited | 3.49 |
Options outstanding at end of year | 6.26 | $ 4.52
Exercisable at end of year | $ 4.73 |
Weighted average remaining contractual life |  |
Options outstanding | 6 years 11 months 8 days | 5 years 8 months 1 day
Exercisable at end of year | 5 years 4 months 17 days |
Aggregate intrinsic value |  |
Options outstanding at beginning of year | $ 13,942 |
Options outstanding at end of year | 37,587 | $ 13,942
Exercisable at end of year | $ 20,098 |

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