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RELATED PARTIES (Narrative - Cash Incentives) (Details) - Executive Officer [Member] - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Related Party Transaction [Line Items]    
Cash incentive award, terms since the date of its approval (an "Examined Period"), as compared to the benchmark Yield over such Examined Period; and to the extent that the Company's Stock Yield exceeds the benchmark Yield for such period, each of the Executive Office Holders shall receive an amount equal to 50% of his monthly Cost of Pay for each 1% of excess return (in percentage points' terms), or a relative amount in the event of a partial excess return.  
Percentage of monthly Cost of Pay for each 1% of excess return 50.00%  
Excess return percentage 1.00%  
Shares granted 0  
Maximum payment term after the termination of service/employment 30 days  
EBITDA''s Threshold (as a percent) 10.00%  
Prior notice period for amount of grants under special circumstances 60 days  
Maximum return period for compensation amounts 60 days  
Minimum [Member]    
Related Party Transaction [Line Items]    
Level of incentive 15.00%  
Profit before tax targets $ 24  
Maximum [Member]    
Related Party Transaction [Line Items]    
Level of incentive 150.00% 150.00%