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Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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Jun. 30, 2023
Summary of Significant Accounting Policies |
Schedule of computation of basic and diluted earnings per share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended |  | Six Months Ended |
​ | ​ | June 30, |  | June 30, |
​ |  | 2023 |  | 2022 |  | 2023 |  | 2022 |
​ | ​ | (In thousands, except per share data) |
Numerator: |  | ​ |  |  | ​ |  | ​ | ​ |  |  | ​ |  | ​
Net income | ​ | $ | 3,350 | ​ | $ | 3,823 | ​ | $ | 4,270 | ​ | $ | 5,027 | ​
Less: Income allocated to unvested participating securities | ​ |  | 51 | ​ |  | 65 | ​ |  | 63 | ​ |  | 85 | ​
Net income available to common shareholders | ​ | $ | 3,299 | ​ | $ | 3,758 | ​ | $ | 4,207 | ​ | $ | 4,942 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Denominator: | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
Denominator for basic earnings per share — weighted average shares | ​ |  | 6,032 | ​ |  | 5,952 | ​ |  | 6,030 | ​ |  | 5,950 | ​
Effect of dilutive securities: | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
Common stock equivalents | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | — | ​
Denominator for diluted earnings per share — adjusted weighted-average shares and assumed conversions | ​ |  | 6,032 | ​ |  | 5,952 | ​ |  | 6,030 | ​ |  | 5,950 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Earnings per share: | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​
Basic | ​ | $ | 0.55 | ​ | $ | 0.63 | ​ | $ | 0.70 | ​ | $ | 0.83 | ​
Diluted | ​ | $ | 0.55 | ​ | $ | 0.63 | ​ | $ | 0.70 | ​ | $ | 0.83 | ​

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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 -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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