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EARNINGS PER SHARE (Schedule of Net Income Used in Earnings Per Share) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Earnings Per Share [Abstract]      
Net income attributable to stockholder's used for the computation of basic and diluted earnings per share $ 16,123 $ 6,889 $ 60,675