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Computation of Earnings Per Common Share (Tables) | 6 Months Ended
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Jun. 30, 2021
Earnings Per Share [Abstract] |
Computation of earnings per common share | Earnings per common share have been computed based on the following for the:
| Three Months Ended June 30 |  | Six Months Ended June 30
| 2021 |  | 2020 |  | 2021 |  | 2020
Average number of common shares outstanding for basic calculation | 7,944,455 |  |  | 7,924,318 |  |  | 7,956,889 |  |  | 7,927,298 |
Average potential effect of common shares in the Directors Plan (1) | 102,452 |  |  | 144,430 |  |  | 108,385 |  |  | 154,177 |
Average potential effect of common shares in the RSP | 16,257 |  |  | — |  |  | 10,489 |  |  | — |
Average number of common shares outstanding used to calculate diluted earnings per common share | 8,063,164 |  |  | 8,068,748 |  |  | 8,075,763 |  |  | 8,081,475 |
Net income | $ | 4,621 |  |  | $ | 4,187 |  |  | $ | 10,019 |  |  | $ | 7,251 |
Earnings per common share |  |  |  |  |  |  |
Basic | $ | 0.58 |  |  | $ | 0.53 |  |  | $ | 1.26 |  |  | $ | 0.91 |
Diluted | $ | 0.57 |  |  | $ | 0.52 |  |  | $ | 1.24 |  |  | $ | 0.90 |
(1)Exclusive of shares held in the Rabbi Trust

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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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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