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Earnings per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2015
Earnings Per Share [Abstract] |
Schedule of Basic and Diluted Earnings Per Share | The following table sets forth the computation of basic and diluted earnings per share for the three and nine months ended September 30, 2015 and 2014:
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, |  | September 30,
|  | 2015 |  | 2014 |  | 2015 |  | 2014
|  | (in thousands except per share)
Basic EPS: |  |  |  |  |  |  |  |
Net income |  | $ | 25,780 |  |  | $ | 21,583 |  |  | $ | 72,087 |  |  | $ | 62,654 |
Less: Earnings allocated to participating securities: |  |  |  |  |  |  |  |
Preferred Shares |  | 45 |  |  | 42 |  |  | 127 |  |  | 121 |
Nonvested restricted shares |  | 296 |  |  | 216 |  |  | 772 |  |  | 598 |
Earnings allocated to common shareholders |  | $ | 25,439 |  |  | $ | 21,325 |  |  | $ | 71,188 |  |  | $ | 61,935 |
Weighted average common shares outstanding |  | 57,051 |  |  | 52,112 |  |  | 57,007 |  |  | 51,772 |
Basic earnings per common share |  | $ | 0.45 |  |  | $ | 0.41 |  |  | $ | 1.25 |  |  | $ | 1.20 |
Diluted EPS: |  |  |  |  |  |  |  |
Earnings allocated to common shareholders (1) |  | $ | 25,439 |  |  | $ | 21,325 |  |  | $ | 71,188 |  |  | $ | 61,940 |
Weighted average common shares outstanding |  | 57,051 |  |  | 52,112 |  |  | 57,007 |  |  | 51,772 |
Dilutive effect of equity awards |  | 13 |  |  | 404 |  |  | 14 |  |  | 707 |
Weighted average diluted common shares outstanding |  | 57,064 |  |  | 52,516 |  |  | 57,021 |  |  | 52,479 |
Diluted earnings per common share |  | $ | 0.45 |  |  | $ | 0.41 |  |  | $ | 1.25 |  |  | $ | 1.18 |
Potentially dilutive share options that were not included in the computation of diluted EPS because to do so would be anti-dilutive |  | 29 |  |  | 58 |  |  | 40 |  |  | 67 |
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(1) | Earnings allocated to common shareholders for basic and diluted EPS may differ under the two-class method as a result of adding common stock equivalents for options and warrants to dilutive shares outstanding, which alters the ratio used to allocate earnings to common shareholders and participating securities for the purposes of calculating diluted EPS.

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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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