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EARNINGS PER SHARE (Schedule of Weighted Average Shares Used in Earnings Per Share) (Details) - shares
shares in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Earnings Per Share [Abstract]      
Weighted average number of shares used in the computation of basic and diluted earnings per share 21,037 21,077 20,968