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Net Income Per Share (Tables) | 6 Months Ended
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Jun. 30, 2014
Earnings Per Share [Abstract] |
Schedule of Weighted Average Shares Outstanding Basic and Diluted | The share effect is as follows:
| For the Three Months Ended June 30, |  | For the Six Months Ended June 30,
| 2014 |  | 2013 |  | 2014 |  | 2013
Weighted average shares outstanding: |  |  |  |  |  |  |
Common shares | 22,167,771 |  |  | 23,293,173 |  |  | 22,356,299 |  |  | 23,491,872 |
Vested restricted stock units | 485,622 |  |  | 680,926 |  |  | 765,989 |  |  | 659,208 |
Basic number of weighted average shares outstanding | 22,653,393 |  |  | 23,974,099 |  |  | 23,122,288 |  |  | 24,151,080 |
Dilutive effect of stock options | — |  |  | 37,814 |  |  | 6,646 |  |  | 38,536 |
Dilutive effect of restricted stock and restricted stock units | 5,498 |  |  | 5,360 |  |  | 28,355 |  |  | 30,787 |
Dilutive number of weighted average shares outstanding | 22,658,891 |  |  | 24,017,273 |  |  | 23,157,289 |  |  | 24,220,403 |

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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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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