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STOCK BASED COMPENSATION PLANS (Details 4) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Directors | Restricted stock units        
Deferred compensation plan        
Vesting period     1 year  
Compensation expenses $ 115,000 $ 34,000 $ 227,000 $ 113,000
LTI Plan | Restricted stock units        
Deferred compensation plan        
Vesting period     5 years  
Additional holding period     2 years  
Compensation expenses $ 23,000   $ 59,000  
LTI Plan | Restricted Stock Units Performance Vested Awards        
Deferred compensation plan        
Vesting period     3 years  
Vested award (as a percent) 60.00%   60.00%  
LTI Plan | Restricted Stock Units Time Vested Awards        
Deferred compensation plan        
Vested award (as a percent) 40.00%   40.00%