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TAXES ON INCOME (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Taxes On Income [Line Items] |  |  |
Period of tax exemption | 2 years |  |
Period in which investment must be made | 3 years |  |
Minimum qualifying investment | $ 20,000 |  |
Experation period since approval | 14 years |  |
Experation period since enterpise began operating | 12 years |  |
Experation period since beginning of the year of election | 12 years |  |
Foreign investors'' company tax benefits period | 12 years |  |
Foreign investors' company tax benefits pecent | 74.00% |  |
Effective corporate income tax rate | 23.00% | 23.00% | 24.00%
Net operating losses | $ 172,282 |  |
Capital loss | 7,538 |  |
Accrued interest and penalties | $ 188 |  |
Tax asset |  | $ 7,200 |
Reduction in deferred tax assets |  | $ 153 |
First Two Years [Member] | Minimum [Member] |  |  |
Taxes On Income [Line Items] |  |  |
Foreign investors' company tax benefits pecent | 10.00% |  |
First Two Years [Member] | Maximum [Member] |  |  |
Taxes On Income [Line Items] |  |  |
Foreign investors' company tax benefits pecent | 25.00% |  |
Preferred Technological Enterprise income [Member] |  |  |
Taxes On Income [Line Items] |  |  |
Tax rate reduction percent | 12.00% |  |
Law For Encouragement Of Industry Taxes [Member] |  |  |
Taxes On Income [Line Items] |  |  |
Industrial company defined as a company resident in Israel based on minimum percentage of income derived from an industrial enterprise owned by it | 90.00% |  |
Amortization period for deferred stock issuance costs | 3 years |  |
Norway [Member] |  |  |
Taxes On Income [Line Items] |  |  |
Net operating losses | $ 17,392 |  |
Brazil [Member] |  |  |
Taxes On Income [Line Items] |  |  |
Net operating losses | $ 43,612 |  |
Annual limit against taxable income | 30.00% |  |
Domestic Country [Member] | Minimum [Member] |  |  |
Taxes On Income [Line Items] |  |  |
Effective corporate income tax rate | 21.00% |  |
Domestic Country [Member] | Maximum [Member] |  |  |
Taxes On Income [Line Items] |  |  |
Effective corporate income tax rate | 35.00% |  |

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