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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2017
Earnings Per Share [Abstract] |
Summary of earnings per share |
| Three Months Ended Jun., 30 |
($ in thousands - except per share data) |  | 2017 |  |  | 2016 |
Distributed earnings allocated to common shares |  | $ | 344 |  |  | $ | 296 |
Undistributed earnings allocated to common shares |  |  | 1,727 |  |  |  | 1,723 |
Net earnings allocated to common shares |  |  | 2,071 |  |  |  | 2,019 |
Net earnings allocated to participating securities |  |  | 2 |  |  |  | 2 |
Dividends on convertible preferred shares |  |  | 244 |  |  |  | 244 |
Net Income allocated to common shares and participating securities |  | $ | 2,317 |  |  | $ | 2,265 |
Weighted average shares outstanding for basic earnings per share |  |  | 4,827 |  |  |  | 4,893 |
Dilutive effect of stock compensation |  |  | 65 |  |  |  | 45 |
Dilutive effect of convertible shares |  |  | 1,459 |  |  |  | 1,452 |
Weighted average shares outstanding for diluted earnings per share |  |  | 6,351 |  |  |  | 6,390 |
Basic earnings per common share |  | $ | 0.43 |  |  | $ | 0.41 |
Diluted earnings per common share |  | $ | 0.36 |  |  | $ | 0.35 |
|  | Six Months Ended Jun., 30 |
($ in thousands - except per share data) |  | 2017 |  |  | 2016 |
Distributed earnings allocated to common shares |  | $ | 663 |  |  | $ | 566 |
Undistributed earnings allocated to common shares |  |  | 3,153 |  |  |  | 2,861 |
Net earnings allocated to common shares |  |  | 3,816 |  |  |  | 3,427 |
Net earnings allocated to participating securities |  |  | 6 |  |  |  | 5 |
Dividends on convertible preferred shares |  |  | 488 |  |  |  | 488 |
Net Income allocated to common shares and participating securities |  | $ | 4,310 |  |  | $ | 3,920 |
Weighted average shares outstanding for basic earnings per share |  |  | 4,839 |  |  |  | 4,894 |
Dilutive effect of stock compensation |  |  | 69 |  |  |  | 50 |
Dilutive effect of convertible shares |  |  | 1,458 |  |  |  | 1,452 |
Weighted average shares outstanding for diluted earnings per share |  |  | 6,366 |  |  |  | 6,396 |
Basic earnings per common share |  | $ | 0.79 |  |  | $ | 0.70 |
Diluted earnings per common share |  | $ | 0.68 |  |  | $ | 0.61 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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