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STOCK-BASED COMPENSATION (Detail Textuals 1) (Restricted Stock, USD $)
9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Restricted Stock
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total fair value of shares vested $ 20,634,000 $ 15,471,000
Tax benefits for compensation expense for restricted stock 4,378,000 3,157,000
Unrecognized compensation cost related to non-vested restricted shares $ 39,884,000  
Unrecognized compensation cost related to non-vested restricted shares recognized period 3.3 years