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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) (USD $)
In Thousands, unless otherwise specified
Common Stock [Member]
Capital Surplus [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Treasury Stock [Member]
Total
Balance at Dec. 31, 2011 $ 6,683 $ 3,141 $ 51,342 $ 3,645 $ (5,198) $ 59,613
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income     6,944     6,944
Other comprehensive income, net of income taxes       1,123   1,123
Dividends declared     (1,995)     (1,995)
Reissuance under option plan   12     82 94
Purchase of treasury stock         (143) (143)
Balance at Sep. 30, 2012 6,683 3,153 56,291 4,768 (5,259) 65,636
Balance at Dec. 31, 2012 6,683 3,155 57,781 4,876 (6,299) 66,196
Increase (Decrease) in Stockholders' Equity [Roll Forward]            
Net income     6,305     6,305
Other comprehensive income, net of income taxes       (2,182)   (2,182)
Dividends declared     (2,130)     (2,130)
Reissuance under option plan   39     58 97
Balance at Sep. 30, 2013 $ 6,683 $ 3,194 $ 61,956 $ 2,694 $ 6,241 $ 68,286