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SHAREHOLDERS' EQUITY (Schedule of Share-based Compensation Arrangements) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total share-based compensation expense $ 675 $ 665
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense 171 169
Intrinsic value of options exercised 0 0
Fair value of restricted stock vested 927 1,187
Restricted Stock    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total share-based compensation expense 494 623
Stock Options    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total share-based compensation expense $ 181 $ 42