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STOCK BASED COMPENSATION PLANS (Details) - Stock options - USD ($)
$ / shares in Units, $ in Thousands
6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Number of Options    
Outstanding, January 1, 2016 (in shares) 23,725  
Exercised (in shares) (8,333)  
Outstanding, June 30, 2016 (in shares) 15,392  
Vested and Exercisable, June 30, 2016 (in shares) 15,392  
Weighted Average Exercise Price    
Outstanding, January 1, 2016 (in dollars per share) $ 25.25  
Exercised (in dollars per shares) 25.25  
Outstanding, June 30, 2016 (in dollars per share) 25.25  
Vested and Exercisable, June 30, 2016 (in dollars per share) $ 25.25  
Weighted Average Remaining Contractual Life    
Outstanding, June 30, 2016 4 months 28 days  
Vested and Exercisable, June 30, 2016 4 months 28 days  
Aggregate Intrinsic Value    
Outstanding, June 30, 2016 $ 48  
Vested and Exercisable, June 30, 2016 $ 48 $ 50