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STOCK BASED COMPENSATION PLANS (Details) - Stock options - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Number of Options    
Outstanding, January 1, 2016 (in shares) 23,725  
Exercised (in shares) (10,110)  
Outstanding, September 30, 2016 (in shares) 13,615  
Vested and Exercisable, September 30, 2016 (in shares) 13,615  
Weighted Average Exercise Price    
Outstanding, January 1, 2016 (in dollars per share) $ 25.25  
Exercised (in dollars per shares) 25.25  
Outstanding, September 30, 2016 (in dollars per share) 25.25  
Vested and Exercisable, September 30, 2016 (in dollars per share) $ 25.25  
Weighted Average Remaining Contractual Life    
Outstanding, September 30, 2016 1 month 28 days  
Vested and Exercisable, September 30, 2016 1 month 28 days  
Aggregate Intrinsic Value    
Outstanding, September 30, 2016 $ 45  
Vested and Exercisable, September 30, 2016 $ 45 $ 48