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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2021
Earnings Per Share [Abstract] |
Summary of Earnings Per Share | Earnings per share have been calculated as follows:
(Expressed in thousands, except number of shares and per share amounts) |  |  |  |  |  |
| For the Three Months Ended September 30, |  | For the Nine Months Ended September 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Basic weighted average number of shares outstanding | 12,690,386 |  |  | 12,553,802 |  |  | 12,653,310 |  |  | 12,696,143 |
Net dilutive effect of share-based awards, treasury method (1) | 973,828 |  |  | 592,784 |  |  | 886,063 |  |  | 498,291 |
Diluted weighted average number of shares outstanding | 13,664,214 |  |  | 13,146,586 |  |  | 13,539,373 |  |  | 13,194,434 |
Net income | $ | 26,250 |  |  | $ | 15,639 |  |  | $ | 96,067 |  |  | $ | 41,106 |
Earnings per share |  |  |  |  |  |  |
Basic | $ | 2.07 |  |  | $ | 1.25 |  |  | $ | 7.59 |  |  | $ | 3.24 |
Diluted | $ | 1.92 |  |  | $ | 1.19 |  |  | $ | 7.10 |  |  | $ | 3.12 |
1.For the three and nine months ended September 30, 2021, there was no Class A Stock granted under share-based compensation arrangements that were anti-dilutive. For the three and nine months ended September 30, 2020, the diluted net income per share computation did not include the anti-dilutive effect of 10,770 shares of Class A Stock granted under share-based compensation arrangements.

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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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