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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2018
Earnings Per Share [Abstract] |
Summary of Per Common Share Data and Amounts | The following table presents a summary of per common share data and amounts for the periods indicated.
| Three months ended September 30, |  | Nine months ended September 30,
(in thousands, except per share data) | 2018 |  | 2017 |  | 2018 |  | 2017
Net income as reported | $ | 22,516 |  |  | $ | 16,315 |  |  | $ | 65,688 |  |  | $ | 40,661 |
Weighted average common shares outstanding | 23,148 |  |  | 23,324 |  |  | 23,129 |  |  | 22,914 |
Additional dilutive common stock equivalents | 181 |  |  | 250 |  |  | 211 |  |  | 295 |
Weighted average diluted common shares outstanding | 23,329 |  |  | 23,574 |  |  | 23,340 |  |  | 23,209 |
Basic earnings per common share: | $ | 0.97 |  |  | $ | 0.70 |  |  | $ | 2.84 |  |  | $ | 1.77 |
Diluted earnings per common share: | $ | 0.97 |  |  | $ | 0.69 |  |  | $ | 2.81 |  |  | $ | 1.75 |

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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/2003/role/presentationRef -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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