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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2017
Earnings Per Share [Abstract] |
Summary of earnings per share |
|  | Three Months Ended Mar. 31, |
($ in thousands - except per share data) |  | 2017 |  |  | 2016 |
Distributed earnings allocated to common shares |  | $ | 319 |  |  | $ | 271 |
Undistributed earnings allocated to common shares |  |  | 1,427 |  |  |  | 1,138 |
Net earnings allocated to common shares |  |  | 1,746 |  |  |  | 1,409 |
Net earnings allocated to participating securities |  |  | 3 |  |  |  | 2 |
Dividends on convertible preferred shares |  |  | 244 |  |  |  | 244 |
Net Income allocated to common shares and participating securities |  | $ | 1,993 |  |  | $ | 1,655 |
Weighted average shares outstanding for basic earnings per share |  |  | 4,855 |  |  |  | 4,896 |
Dilutive effect of stock compensation |  |  | 74 |  |  |  | 53 |
Dilutive effect of convertible shares |  |  | 1,458 |  |  |  | 1,452 |
Weighted average shares outstanding for diluted earnings per share |  |  | 6,387 |  |  |  | 6,401 |
Basic earnings per common share |  | $ | 0.36 |  |  | $ | 0.29 |
Diluted earnings per common share |  | $ | 0.31 |  |  | $ | 0.26 |

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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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