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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, 2016
Dec. 31, 2015
Dec. 31, 2014
Earnings Per Share [Abstract]      
Net income attributable to stockholder's used for the computation of basic and diluted earnings per share $ 32,139 $ 24,971 $ 30,429