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Shareholders' Equity (Changes In Shares Of Common Stock) (Details) - shares
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Shareholders Equity [Line Items]    
Treasury stock, beginning balance 207,317  
Shares issued, beginning balance 14,397,509 14,397,509
Common stock issued for aquisition 294,705  
Restricted stock awards issued  
Restricted stock awards forfeited
Stock options exercised
Treasury stock purchases  
Treasury stock, ending balance 197,131  
Shares issued, ending balance 14,692,214 14,397,509
Common Stock [Member]    
Shareholders Equity [Line Items]    
Shares outstanding, beginning balance 14,190,192 14,118,048
Common stock issued for aquisition 294,705  
Restricted stock awards issued   49,084
Restricted stock awards forfeited (4,914) (2,271)
Stock options exercised 15,100 3,722
Treasury stock purchases   (1,791)
Shares outstanding, ending balance 14,495,083 14,166,792
Treasury Stock [Member]    
Shareholders Equity [Line Items]    
Treasury stock, beginning balance 207,317 279,461
Restricted stock awards issued   (49,084)
Restricted stock awards forfeited 4,914 2,271
Stock options exercised (15,100) (3,722)
Treasury stock purchases   1,791
Treasury stock, ending balance 197,131 230,717