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STOCK-BASED COMPENSATION (Detail Textuals 1) - Restricted Stock - USD ($)
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total fair value of shares vested $ 3,165,000 $ 2,560,000
Tax benefits for compensation tax deductions in excess of compensation expense $ 580,000 $ 151,000