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INCOME TAXES (Encouragement Of Capital Investments) (Narrative) (Details)
 12 Months Ended
Dec. 31, 2017
Encouragement Of Capital Investments Law [Line Items]  
Tax exempt period 2 years
Tax rate on distributions 20.00%
Period since approval was granted 14 years
Period since enterprise began operating 12 years
Period since year of election 12 years
Minimum [Member]  
Encouragement Of Capital Investments Law [Line Items]  
Reduced tax rate 10.00%
Maximum [Member]  
Encouragement Of Capital Investments Law [Line Items]  
Reduced tax rate 25.00%