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SHAREHOLDERS' EQUITY (Narrative) (Details) ₪ / shares in Units, ₪ in Thousands, $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2021 USD ($) shares | Dec. 31, 2020 USD ($) shares | Dec. 31, 2019 USD ($) | Dec. 31, 2021 ILS (₪) ₪ / shares shares | Dec. 31, 2021 USD ($) shares | Dec. 31, 2020 ₪ / shares | Dec. 31, 2020 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Share capital, amount authorized | ₪ |  |  |  | ₪ 20,000,000 |  |  |
Common Stock, Shares Authorized | shares |  |  |  | 200,000,000 | 200,000,000 |  | 200,000,000
Common Stock, Par or Stated Value Per Share | ₪ / shares |  |  |  | ₪ 0.1 |  | ₪ 0.1 |
Intrinsic value of options outstanding |  |  | $ 3,510 |  | $ 3,481 |  | $ 4,578
Intrinsic value of options exercisable |  |  | 2,791 |  | 3,392 |  | 4,226
Intrinsic value of options vested and expected to vest |  |  | 3,399 |  | 3,479 |  | $ 4,568
Intrinsic value of options exercised | $ 4,113 | $ 1,437 | $ 769 |  |  |  |
Stock options vested during period | shares | 22,897 |  |  |  |  |  |
Weighted average remaining contractual life of options outstanding | 1 year 11 months 1 day |  |  |  |  |  |
Weighted-average remaining contractual life of exercisable options | 1 year 10 months 17 days |  |  |  |  |  |
Stock Compensation Plan [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Unrecognized compensation cost related to non-vested stock options |  |  |  |  | $ 28,541 |  |
Unrecognized compensation cost, recognition period | 2 years 3 months 3 days |  |  |  |  |  |
Shares available for future issuance | shares |  |  |  | 202,910 | 202,910 |  |
Vesting period for plan | 4 years |  |  |  |  |  |
Options, expiration period | 10 years |  |  |  |  |  |
Restricted Stock Units (RSUs) [Member] |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Unrecognized compensation cost related to non-vested stock options |  |  |  |  | $ 18,036,431 |  |
Unrecognized compensation cost, recognition period | 2 years 3 months 3 days |  |  |  |  |  |
Granted | shares | 1,149,500 | 869,250 |  |  |  |  |
Restricted Stock Units (RSUs) [Member] | 2006 option plan |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Vesting period for plan | 4 years |  |  |  |  |  |
Restricted Stock Units (RSUs) [Member] | 2016 option plan |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Granted | shares | 1,149,500 | 869,250 |  |  |  |  |

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