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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2013
Earnings Per Share [Abstract] |
Schedule of Reconciliation of Numerator and Denominator for Basic and Diluted Earnings Per Share | Set forth below is a reconciliation of the numerator and denominator for basic and diluted earnings per share calculations for the periods indicated:
Year ended December 31, |  | 2013 |  |  | 2012 |  |  | 2011 |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 111,272 |  |  | $ | 70,629 |  |  | $ | 40,015 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted average number of common shares outstanding - Basic |  |  | 19,327,394 |  |  |  | 19,160,849 |  |  |  | 18,919,489 |
Dilutive effect of options and restricted stock units outstanding under the Company's employee compensation plans |  |  | 613,324 |  |  |  | 474,392 |  |  |  | 232,909 |
Weighted average number of common shares outstanding - Diluted |  |  | 19,940,718 |  |  |  | 19,635,241 |  |  |  | 19,152,398 |

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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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