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Consolidated Statements of Changes in Shareholders' Equity - USD ($)
$ in Thousands
Common Stock
Retained Earnings
Accumulated Other Comprehensive Income (Loss)
Total
Beginning Balance, Shares at Dec. 31, 2014 5,612,588      
Beginning Balance, Amount at Dec. 31, 2014 $ 48,088 $ 45,124 $ 5,453 $ 98,665
Common stock repurchase, Shares (102,050)      
Common stock repurchase, Amount $ (1,917)     (1,917)
Cash dividends declared on common stock   (1,574)   (1,574)
10% stock dividend, Amount       0
Restricted stock units exercised, Amount       0
Net earnings   9,633   9,633
Change in accumulated other comprehensive income, net of tax     57 57
Ending Balance, Shares at Dec. 31, 2015 5,510,538      
Ending Balance, Amount at Dec. 31, 2015 $ 46,171 53,183 5,510 104,864
Common stock repurchase, Shares (92,738)      
Common stock repurchase, Amount $ (1,984)     (1,984)
Cash dividends declared on common stock   (2,106)   (2,106)
10% stock dividend, Amount       0
Restricted stock units exercised, Amount       0
Net earnings   9,177   9,177
Change in accumulated other comprehensive income, net of tax     (2,523) (2,523)
Ending Balance, Shares at Dec. 31, 2016 5,417,800      
Ending Balance, Amount at Dec. 31, 2016 $ 44,187 60,254 2,987 107,428
Cash dividends declared on common stock   (2,629)   (2,629)
10% stock dividend, Shares 544,844      
10% stock dividend, Amount $ 16,994 (17,000)   (6)
Restricted stock units exercised, Shares 32,612      
Restricted stock units exercised, Amount $ 915     915
Net earnings   10,268   10,268
Change in accumulated other comprehensive income due to Tax Cuts and Jobs Act   (607) 607  
Change in accumulated other comprehensive income, net of tax     (1) (1)
Ending Balance, Shares at Dec. 31, 2017 5,995,256      
Ending Balance, Amount at Dec. 31, 2017 $ 62,096 $ 50,286 $ 3,593 $ 115,975