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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2017
Earnings Per Share [Abstract] |
Calculation of Basic Earnings Per Share |
|  | In Thousands |
|  | Three Months Ended |  |  | Year to Date Ended |
|  | June 30, |  |  | June 30, |  |  | June 30, |  |  | June 30, |
|  | 2017 |  |  | 2016 |  |  | 2017 |  |  | 2016 |
Earnings per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 3,223 |  |  | $ | 2,974 |  |  | $ | 6,062 |  |  | $ | 5,455 |
Less: distributed earnings allocated to participating securities |  |  | (11 | ) |  |  | (9 | ) |  |  | (21 | ) |  |  | (17 | )
Less: undistributed earnings allocated to participating securities |  |  | (19 | ) |  |  | (15 | ) |  |  | (36 | ) |  |  | (28 | )
Net earnings available to common shareholders |  | $ | 3,193 |  |  | $ | 2,950 |  |  | $ | 6,005 |  |  | $ | 5,410 |
Weighted average common shares outstanding including participating securities |  |  | 4,620,875 |  |  |  | 4,605,534 |  |  |  | 4,620,875 |  |  |  | 4,607,380 |
Less: average unvested restricted shares |  |  | (43,150 | ) |  |  | (37,905 | ) |  |  | (43,150 | ) |  |  | (38,287 | )
Weighted average common shares outstanding |  |  | 4,577,725 |  |  |  | 4,567,629 |  |  |  | 4,577,725 |  |  |  | 4,569,093 |
Basic earnings and diluted per share |  | $ | 0.70 |  |  | $ | 0.65 |  |  | $ | 1.31 |  |  | $ | 1.18 |

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- Definition Tabular disclosure of the effect of income (loss) on basic earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1278-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=65016374&loc=d3e4984-109258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64863997&loc=d3e1252-109256 + Details
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