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INCOME TAX (Summary of Deferred Taxes) (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Income Tax Disclosure [Abstract] |  |
Provision for vacation, recreation and bad debt | $ 258 | $ 276
Provision for legal obligation, current | 5,500 | 6,262
Provision for employee related obligations, non-current | 1,147 | 849
Carry forward tax losses and foreign tax credit, non-current | 3,600 | 3,600
Temporary differences, net, non-current | (1,360) | 887
Gross deferred income taxes, non-current | 9,145 | 11,874
Valuation allowance, non-current | (3,476) | (3,476)
Deferred income taxes, non-current | 5,669 | 8,398
Deferred income taxes included in long-term investments and other assets | 12,127 | 8,398
Deferred income taxes included in long-term liabilities | (6,458) |
Total deferred income taxes | $ 5,669 | $ 8,398

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