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Earnings per share (Tables) | 9 Months Ended
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Sep. 30, 2020
Earnings per share |
Schedule of earnings per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2020 | ​ | 2019 | ​
For the Three Months Ended September 30, |  | Basic |  | Diluted |  | Basic |  | Diluted |
Net income |  | $ | 8,312 |  | $ | 8,312 |  | $ | 7,148 |  | $ | 7,148 |
Average common shares outstanding | ​ |  | 7,277,189 | ​ |  | 7,312,253 | ​ |  | 7,394,992 | ​ |  | 7,417,403 | ​
Earnings per share | ​ | $ | 1.14 | ​ | $ | 1.14 | ​ | $ | 0.97 | ​ | $ | 0.96 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2020 | ​ | 2019 | ​
For the Nine Months Ended September 30 | ​ | Basic | ​ | Diluted | ​ | Basic | ​ | Diluted | ​
Net income |  | $ | 21,169 |  | $ | 21,169 |  | $ | 20,704 | ​ | $ | 20,704 |
Average common shares outstanding | ​ |  | 7,332,539 | ​ |  | 7,364,693 | ​ |  | 7,397,768 | ​ |  | 7,412,865 | ​
Earnings per share | ​ | $ | 2.89 | ​ | $ | 2.87 | ​ | $ | 2.80 | ​ | $ | 2.79 | ​

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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=6371337&loc=d3e3550-109257 + Details
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