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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2021
Earnings Per Share [Abstract] |
Computation of Earnings Per Share | Potential common shares that may be issued by the Company relate to outstanding stock options and restricted stock units (RSUs), and are determined using the treasury stock method. Earnings per share have been computed based on the following:
| Three months ended March 31,
(in thousands) | 2021 |  | 2020
Net income | $ | 33,649 |  |  | $ | 16,121 |
Average number of common shares outstanding | 29,727 |  |  | 30,395 |
Effect of dilutive stock options and restricted stock | 178 |  |  | 128 |
Average number of common shares outstanding used to calculate diluted earnings per share | 29,905 |  |  | 30,523 |
Options excluded from diluted earnings per share because of their antidilutive effect | — |  |  | — |

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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