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Consolidated Statements Of Changes In Shareholders' Equity - USD ($)
$ in Thousands
Capital Stock [Member]
Surplus [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Treasury Stock [Member]
Total
Balance at Dec. 31, 2014 $ 13,577 $ 20,905 $ 113,149 $ 6,691 $ (8,035) $ 146,287
Net income     11,685     11,685
Total other comprehensive (loss) income       (732)   (732)
Dividend declared:            
Common stock     (4,480)     (4,480)
Purchase of Treasury Stock         (24) (24)
Stock options exercised, including related tax effects   118 (2)   773 889
Recognition of stock based compensation expense   487       487
Restricted and performance stock grants   (106)     106  
Balance at Sep. 30, 2015 13,577 21,404 120,352 5,959 (7,180) 154,112
Balance at Dec. 31, 2015 13,577 21,624 122,260 3,629 (6,938) 154,152
Net income     12,349     12,349
Total other comprehensive (loss) income       1,182   1,182
Dividend declared:            
Common stock     (4,880)     (4,880)
Purchase of Treasury Stock         (497) (497)
Stock options exercised, including related tax effects   395 (127)   780 1,048
Recognition of stock based compensation expense   982       982
Restricted and performance stock grants   (360)     360  
Balance at Sep. 30, 2016 $ 13,577 $ 22,641 $ 129,602 $ 4,811 $ (6,295) $ 164,336