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Consolidated Statement of Changes in Stockholders' Equity - USD ($) $ in Thousands | Common Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Treasury Stock [Member] | Total
--- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2014 | $ 3,335 | $ 25,150 | $ 79,512 | $ 767 | $ (8,236) | $ 100,528
Balance (in shares) at Dec. 31, 2014 | 3,335,236 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income |  |  | 11,626 |  |  | 11,626
Net other comprehensive income |  |  |  | (1,003) |  | (1,003)
Stock issued for acquisition | $ 337 | 15,647 | 0 |  |  | 15,984
Stock issued for acquisition (in shares) | 336,515 |  |  |  |  |
Purchase of treasury stock |  |  |  |  | (2,455) | (2,455)
Restricted stock, executive and Board of Director awards |  | (256) |  |  | 308 | 52
Restricted stock vesting |  | 179 |  |  |  | 179
Forfeited restricted stock |  | 7 |  |  | (7) | 0
Cash dividend reinvestment paid from treasury stock |  | (12) | (197) |  | 209 | 0
Cash dividends |  |  | (5,151) |  |  | (5,151)
Balance at Dec. 31, 2015 | $ 3,672 | 40,715 | 85,790 | (236) | (10,181) | 119,760
Balance (in shares) at Dec. 31, 2015 | 3,671,751 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income |  |  | 12,638 |  |  | 12,638
Net other comprehensive income |  |  |  | (1,156) |  | (1,156)
Stock dividend | $ 32 | 1,542 | (1,574) |  |  | 0
Stock dividend (in shares) | 32,624 |  |  |  |  |
Purchase of treasury stock |  |  |  |  | (3,227) | (3,227)
Restricted stock, executive and Board of Director awards |  | (197) |  |  | 288 | 91
Restricted stock vesting |  | 184 |  |  |  | 184
Sale of treasury stock |  | (1) |  |  | 60 | 59
Forfeited restricted stock |  | 4 |  |  | (4) | 0
Cash dividend reinvestment paid from treasury stock |  | 3 | (495) |  | 492 | 0
Cash dividends |  |  | (5,081) |  |  | (5,081)
Balance at Dec. 31, 2016 | $ 3,704 | 42,250 | 91,278 | (1,392) | (12,572) | 123,268
Balance (in shares) at Dec. 31, 2016 | 3,704,375 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |
Net income |  |  | 13,025 |  |  | 13,025
Net other comprehensive income |  |  |  | (1,447) |  | (1,447)
Stock dividend | $ 166 | 8,857 | (9,023) |  |  | 0
Stock dividend (in shares) | 165,564 |  |  |  |  |
Purchase of treasury stock |  |  |  |  | (979) | (979)
Restricted stock, executive and Board of Director awards |  | (224) |  |  | 296 | 72
Restricted stock vesting |  | 206 |  |  |  | 206
Sale of treasury stock |  | 0 |  |  | 43 | 43
Forfeited restricted stock |  | 2 |  |  | (2) | 0
Reclassification of certain income tax effects from accumulated other comprehensive income |  |  | 559 | (559) |  | 0
Cash dividend reinvestment paid from treasury stock |  | 17 | (680) |  | 663 | 0
Cash dividends |  |  | (5,177) |  |  | (5,177)
Balance at Dec. 31, 2017 | $ 3,870 | $ 51,108 | $ 89,982 | $ (3,398) | $ (12,551) | $ 129,011
Balance (in shares) at Dec. 31, 2017 | 3,869,939 |  |  |  |  |

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