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GENERAL - Additional Information (Details)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2015
Entity-Wide Revenue, Major Customer, Percentage 16.00% 17.80% 17.50%  
Business Acquisition Percentage Of Outstanding Shares Acquired       100.00%
Additional Major Customer [Member]        
Entity-Wide Revenue, Major Customer, Percentage 13.50% 11.10% 12.70%