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Net Income Per Share (Tables) | 9 Months Ended
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Sep. 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 September 30, |  | For the Nine Months Ended September 30,
| 2014 |  | 2013 |  | 2014 |  | 2013
Weighted average shares outstanding: |  |  |  |  |  |  |
Common shares | 21,402,969 |  |  | 22,991,709 |  |  | 21,978,263 |  |  | 23,323,319 |
Vested restricted stock units | 485,622 |  |  | 680,926 |  |  | 772,605 |  |  | 666,526 |
Basic number of weighted average shares outstanding | 21,888,591 |  |  | 23,672,635 |  |  | 22,750,868 |  |  | 23,989,845 |
Dilutive effect of stock options | — |  |  | 27,852 |  |  | 4,393 |  |  | 34,940 |
Dilutive effect of restricted stock and restricted stock units | 6,631 |  |  | 7,556 |  |  | 20,936 |  |  | 22,658 |
Dilutive number of weighted average shares outstanding | 21,895,222 |  |  | 23,708,043 |  |  | 22,776,197 |  |  | 24,047,443 |

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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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