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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2014
Earnings Per Share [Abstract] |
Summary of Earnings Per Share |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |
|  | (in thousands, except share and per share amounts) |
Basic EPS: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income, as reported |  | $ | 13,479 |  |  | $ | 9,699 |  |  | $ | 36,801 |  |  | $ | 26,194 |
Less allocated income to unvested shares |  |  | — |  |  |  | 27 |  |  |  | — |  |  |  | 74 |
Net income available to common shareholders—basic |  | $ | 13,479 |  |  | $ | 9,672 |  |  | $ | 36,801 |  |  | $ | 26,120 |
Basic weighted average common shares |  |  | 18,676,033 |  |  |  | 18,395,971 |  |  |  | 18,603,227 |  |  |  | 18,343,901 |
Basic earnings per common share |  | $ | 0.72 |  |  | $ | 0.53 |  |  | $ | 1.98 |  |  | $ | 1.42 |
Diluted EPS: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income available to common shareholders—diluted |  | $ | 13,479 |  |  | $ | 9,673 |  |  | $ | 36,801 |  |  | $ | 26,122 |
Diluted weighted average common shares: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average common shares |  |  | 18,676,033 |  |  |  | 18,395,971 |  |  |  | 18,603,227 |  |  |  | 18,343,901 |
Stock options and performance shares |  |  | 253,744 |  |  |  | 362,375 |  |  |  | 302,653 |  |  |  | 386,828 |
Diluted weighted average common shares |  |  | 18,929,777 |  |  |  | 18,758,346 |  |  |  | 18,905,880 |  |  |  | 18,730,729 |
Diluted earnings per common share |  | $ | 0.71 |  |  | $ | 0.52 |  |  | $ | 1.95 |  |  | $ | 1.39 |

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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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