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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2021
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 2021, 2020 and 2019, are shown below: Schedule of Earnings Per Share, Basic and Diluted
|  | 2021 |  |  | 2020 |  |  | 2019 |
(Dollars in thousands, except per share amounts) |  | Years ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Net earnings available to common shareholders |  | $ | 18,011 |  |  | $ | 19,493 |  |  | $ | 10,662 |
Weighted average common shares outstanding - basic |  |  | 4,994,546 |  |  |  | 4,987,322 |  |  |  | 5,063,402 |
Assumed exercise of stock options |  |  | 12,066 |  |  |  | 4,579 |  |  |  | 15,260 |
Weighted average common shares outstanding - diluted |  |  | 5,006,612 |  |  |  | 4,991,901 |  |  |  | 5,078,662 |
Earnings per share: |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | $ | 3.61 |  |  | $ | 3.91 |  |  | $ | 2.11 |
Diluted |  | $ | 3.60 |  |  | $ | 3.91 |  |  | $ | 2.10 |

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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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