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Consolidated Statements of Changes in Stockholders' Equity - 9 months ended Sep. 30, 2018 - USD ($)
$ in Thousands
Common Stock [Member]
Surplus [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Accumulated Other Comprehensive Loss [Member]
Total
Beginning balance at Dec. 31, 2017 $ 626 $ 47,431 $ 70,426 $ (77) $ (2,667) $ 115,739
Beginning balance, shares at Dec. 31, 2017 6,256,063     2,608    
Net income     10,352     10,352
Other comprehensive loss         (5,825) (5,825) [1]
Cash dividends declared     (4,133)     (4,133)
Compensation expense related to restricted stock   154       154
Acquisition of treasury stock       $ (179)   (179)
Acquisition of treasury stock, shares       5,446    
Stock options exercised $ 2 325   $ 68   $ 395
Stock options exercised, shares 18,450     (2,325)   (20,775)
Compensation expense related to stock options   177       $ 177
Ending balance, shares at Sep. 30, 2018 6,274,513     5,729    
Ending balance at Sep. 30, 2018 $ 628 $ 48,087 $ 76,645 $ (188) $ (8,492) $ 116,680
[1] All amounts are net of tax. Amounts in parentheses indicate debits.