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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2022
Accounting Policies [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted | The shares used in the calculation of basic and diluted earnings per share, which have been adjusted to give effect to the 5% common stock dividends paid by the Company in December 2022, 2021 and 2020, are shown below: Schedule of Earnings Per Share, Basic and Diluted
|  | 2022 |  |  | 2021 |  |  | 2020 |
(Dollars in thousands, except per share amounts) |  | Years ended December 31, |
|  | 2022 |  |  | 2021 |  |  | 2020 |
Net earnings available to common shareholders |  | $ | 9,878 |  |  | $ | 18,011 |  |  | $ | 19,493 |
Weighted average common shares outstanding - basic |  |  | 5,230,749 |  |  |  | 5,244,273 |  |  |  | 5,236,688 |
Assumed exercise of stock options |  |  | 15,016 |  |  |  | 12,670 |  |  |  | 4,808 |
Weighted average common shares outstanding - diluted |  |  | 5,245,765 |  |  |  | 5,256,943 |  |  |  | 5,241,496 |
Earnings per share: |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 1.89 |  |  | $ | 3.43 |  |  | $ | 3.72 |
Diluted |  | $ | 1.88 |  |  | $ | 3.42 |  |  | $ | 3.72 |

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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 https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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