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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2017
Earnings Per Share [Abstract] |
Earnings Per Share |
| Three months ended |  | Nine months ended
| September 30, 2017 |  | September 30, 2016 |  | September 30, 2017 |  | September 30, 2016
| (in thousands, except share and per share data)
Numerator: |  |  |  |  |  |  |
Net income | $ | 14,717 |  |  | $ | 15,682 |  |  | $ | 38,728 |  |  | $ | 41,956 |
Denominator: |  |  |  |  |  |  |  |  |
Basic weighted average shares | 52,566,619 |  |  | 52,891,879 |  |  | 52,586,429 |  |  | 52,942,571 |
Effect of dilutive stock options and restricted stock | 447,650 |  |  | 502,452 |  |  | 516,979 |  |  | 524,452 |
Diluted weighted average shares | 53,014,269 |  |  | 53,394,331 |  |  | 53,103,408 |  |  | 53,467,023 |
Earnings per share: |  |  |  |  |  |  |  |  |
Basic | $ | 0.28 |  |  | $ | 0.30 |  |  | $ | 0.74 |  |  | $ | 0.79 |
Diluted | $ | 0.28 |  |  | $ | 0.29 |  |  | $ | 0.73 |  |  | $ | 0.78 |
Anti-dilutive shares: |  |  |  |  |  |  |  |  |
Shares | 842,631 |  |  | 551,940 |  |  | 795,678 |  |  | 512,823 |

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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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