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Net Income per Share (Tables) | 9 Months Ended
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Sep. 30, 2018
Earnings Per Share [Abstract] |
Summary of the net income allocated to common shares and the basic and diluted shares used in the net income per share computations | The following table summarizes the net income allocated to common shares and the basic and diluted shares used in the net income per share computations:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(in thousands) | 2018 | 2017 |  | 2018 | 2017
Net income | $ | 36,207 |  | $ | 19,202 |  |  | $ | 110,758 |  | $ | 68,848 |
Less distributed and undistributed earnings allocated to participating securities | (503 | ) | (337 | ) |  | (1,546 | ) | (1,233 | )
Net income allocated to common shares | $ | 35,704 |  | $ | 18,865 |  |  | $ | 109,212 |  | $ | 67,615 |
Weighted average common shares outstanding | 41,330 |  | 40,946 |  |  | 41,311 |  | 41,110 |
Incremental shares from assumed LTIP awards and conversions of common stock options | 218 |  | 296 |  |  | 283 |  | 238 |
Adjusted weighted average common shares outstanding | 41,548 |  | 41,242 |  |  | 41,594 |  | 41,348 |

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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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