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Shareholders' Equity (Details)
6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Shareholders Equity [Line Items]    
Treasury stock, beginning balance 332,242  
Shares issued, beginning balance 14,161,597  
Stock options exercised 7,125  
Treasury stock, ending balance 299,121  
Shares issued, ending balance 14,161,597  
Common Stock [Member]
   
Shareholders Equity [Line Items]    
Shares outstanding, beginning balance 13,829,355 13,787,709
Restricted stock awards issued 43,242 42,035
Restricted stock awards forfeited (8,144) (18,977)
Stock options exercised 7,125 3,300
Treasury stock purchases (9,102) (11,349)
Directors' retainer   5,672
Shares outstanding, ending balance 13,862,476 13,808,390
Treasury Stock [Member]
   
Shareholders Equity [Line Items]    
Treasury stock, beginning balance 332,242 373,888
Restricted stock awards issued (43,242) (42,035)
Restricted stock awards forfeited 8,144 18,977
Stock options exercised (7,125) (3,300)
Treasury stock purchases 9,102 11,349
Directors' retainer   (5,672)
Treasury stock, ending balance 299,121 353,207
Issued [Member]
   
Shareholders Equity [Line Items]    
Shares issued, beginning balance 14,161,597 14,161,597
Restricted stock awards issued      
Restricted stock awards forfeited      
Stock options exercised      
Treasury stock purchases      
Directors' retainer     
Shares issued, ending balance 14,161,597 14,161,597