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Net Income Per Share (Tables) | 6 Months Ended
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Jun. 30, 2021
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | The following table presents the calculation of net earnings per common share (“EPS”) — basic and diluted (in thousands, except per share data):
| Three months ended June 30, |  | Six months ended June 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Net income | $ | 28,398 |  |  | $ | 18,908 |  |  | $ | 52,129 |  |  | $ | 35,742 |
Weighted-average number of common shares outstanding (for basic calculation) | 21,200 |  |  | 20,880 |  |  | 21,176 |  |  | 20,831 |
Dilutive securities | 503 |  |  | 626 |  |  | 542 |  |  | 714 |
Weighted-average common and common equivalent shares outstanding (for diluted calculation) | 21,703 |  |  | 21,506 |  |  | 21,718 |  |  | 21,545 |
EPS — basic | $ | 1.34 |  |  | $ | 0.91 |  |  | $ | 2.46 |  |  | $ | 1.72 |
EPS — diluted | $ | 1.31 |  |  | $ | 0.88 |  |  | $ | 2.40 |  |  | $ | 1.66 |

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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=6371337&loc=d3e3550-109257 + Details
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