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STOCK PLANS AND STOCK BASED COMPENSATION (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 12 Months Ended 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Stock options
Mar. 31, 2013
Stock options
Dec. 31, 2013
Stock options
Mar. 31, 2014
Stock options
Officers
Mar. 31, 2014
Stock options
Maximum
Apr. 26, 2007
2007 Stock Incentive Plan
Apr. 23, 2003
2003 Option Plan
Maximum
Stock-based compensation                  
Number of shares reserved for issuance under the plan               650,000 607,754
Award term             10 years    
Vesting period           4 years      
Shares                  
Outstanding, beginning of year (in shares)     402,139            
Granted (in shares)     29,389 2,500          
Exercised (in shares)     (6,500)            
Forfeited or expired (in shares)     (37,376)            
Outstanding at end of year (in shares)     387,652   402,139        
Options exercisable at period end (in shares)     256,004   295,680        
Fully vested and expected to vest (in shares)     375,671            
Weighted Average Exercise Price                  
Outstanding, beginning of year (in dollars per share)     $ 13.79            
Granted (in dollars per share)     $ 16.08            
Exercised (in dollars per share)     $ 9.24            
Forfeited or expired (in dollars per share)     $ 20.12            
Outstanding at end of year (in dollars per share)     $ 13.43   $ 13.79        
Options exercisable at period end (in dollars per share)     $ 13.43   $ 14.21        
Fully vested and expected to vest (in dollars per share)     $ 13.41            
Stock options vested and currently exercisable:                  
Number (in shares)     256,004   295,680        
Weighted average exercise price (in dollars per share)     $ 13.43   $ 14.21        
Aggregate intrinsic value (in dollars)     $ 1,108   $ 1,327        
Weighted average remaining life     4 years   3 years 10 months 24 days        
Compensation expense disclosure                  
Compensation expense 89 97 41 36          
Fair value of options granted using the weighted average assumptions as of grant date                  
Risk-free interest rate (as a percent)     2.07%            
Expected term     7 years            
Expected stock price volatility (as a percent)     28.10%            
Dividend yield (as a percent)     2.49%            
Unrecognized stock option compensation expense related to unvested awards                  
April 2014 - December 2014     147            
2015     189            
2016     93            
2017     $ 36