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Subsequent Events (Tables) | 12 Months Ended
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Dec. 31, 2020
Subsequent Events [Abstract] |
Summary of Effect of Three-for-Two Stock Split on Common Shares Outstanding | The following table presents the effect of the three-for-two stock split on common shares outstanding as of the periods stated.
|  | As of December 31, |
(unaudited) |  | 2020 |  |  | 2019 |
Common stock outstanding, post-split basis |  |  | 8,577,932 |  |  |  | 8,487,878 |
Basic and diluted earnings per common share, post-split basis |  | $ | 2.07 |  |  | $ | 0.74 |
Dividends per share on common stock, post-split basis |  | $ | 0.29 |  |  | $ | 0.38 |

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- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 + Details
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