STOCK-BASED COMPENSATION (Tables)
 12 Months Ended
Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of stock incentive plans for options
Stock Options   Option Shares
Outstanding		     Weighted
Average
Exercise Price		     Exercisable
Shares		     Weighted
Average
Exercise Price		  
Balance – December 31, 2013     793,157     $ 17.86       600,846     $ 18.25  
Granted     221,000       23.80                  
Exercise of stock options     (39,548 )     16.01                  
Forfeited     (6,750 )     16.80                  
Balance – December 31, 2014     967,859     $ 19.30       630,121     $ 18.24  
Granted     162,000       26.66                  
Exercise of stock options*     (381,505 )     18.00                  
Forfeited     (2,350 )     19.61                  
Balance – December 31, 2015     746,004     $ 21.56       325,979     $ 19.09  
Granted     170,500       36.86                  
Options assumed in acquisition     91,701       21.03                  
Exercise of stock options*     (84,723 )     20.98                  
Forfeited     (1,456 )     21.71                  
Balance – December 31, 2016     922,026     $ 24.39       439,639     $ 19.97  

*The terms of the stock option agreements permit having a number of shares of stock withheld, the fair market value of which as of the date of exercise is sufficient to satisfy the exercise price and/or tax withholding requirements, and accordingly 10,244 shares and 167,779 shares were surrendered in 2016 and 2015, respectively, and no shares surrendered in 2014.
Schedule of restricted stock awards
Restricted Stock   Restricted
Shares
Outstanding		     Weighted
Average Grant
Date Fair Value		  
Balance – December 31, 2013     62,363     $ 16.50  
Granted     33,136       23.80  
Vested*     (29,268 )     19.26  
Forfeited     -       -  
Balance – December 31, 2014     66,231     $ 18.62  
Granted     -       -  
Vested*     (29,261 )     19.26  
Forfeited     (280 )     16.50  
Balance – December 31, 2015     36,690     $ 18.70  
Granted     31,466       33.68  
Vested*     (25,207 )     23.58  
Forfeited     -       -  
Balance – December 31, 2016     42,949     $ 26.80  

*The terms of the restricted stock agreements permit the surrender of shares to the Company upon vesting in order to satisfy applicable tax withholding at the minimum statutory withholding rate, and accordingly 7,851 shares, 7,715 shares and 5,821 shares were surrendered during 2016, 2015 and 2014, respectively.