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Earnings per Common Share (Tables) | 9 Months Ended
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Sep. 30, 2017
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, 2017 and 2016:
|  | Three Months Ended |  | Nine Months Ended
|  | September 30, |  | September 30,
|  | 2017 |  | 2016 |  | 2017 |  | 2016
|  | (in thousands except per share)
Basic EPS: |  |  |  |  |  |  |  |
Net income |  | $ | 40,769 |  |  | $ | 27,484 |  |  | $ | 97,100 |  |  | $ | 74,148 |
Less: Earnings allocated to participating securities: |  |  |  |  |  |  |  |
Preferred shares |  | — |  |  | 48 |  |  | 4 |  |  | 131 |
Nonvested restricted shares |  | 558 |  |  | 378 |  |  | 1,325 |  |  | 953 |
Earnings allocated to common shareholders |  | $ | 40,211 |  |  | $ | 27,058 |  |  | $ | 95,771 |  |  | $ | 73,064 |
Weighted average common shares outstanding |  | 57,566 |  |  | 57,215 |  |  | 57,459 |  |  | 57,173 |
Basic earnings per common share |  | $ | 0.70 |  |  | $ | 0.47 |  |  | $ | 1.67 |  |  | $ | 1.28 |
Diluted EPS: |  |  |  |  |  |  |  |
Earnings allocated to common shareholders |  | $ | 40,211 |  |  | $ | 27,058 |  |  | $ | 95,771 |  |  | $ | 73,064 |
Weighted average common shares outstanding |  | 57,566 |  |  | 57,215 |  |  | 57,459 |  |  | 57,173 |
Dilutive effect of equity awards |  | 5 |  |  | 10 |  |  | 6 |  |  | 10 |
Weighted average diluted common shares outstanding |  | 57,571 |  |  | 57,225 |  |  | 57,465 |  |  | 57,183 |
Diluted earnings per common share |  | $ | 0.70 |  |  | $ | 0.47 |  |  | $ | 1.67 |  |  | $ | 1.28 |
Potentially dilutive share options that were not included in the computation of diluted EPS because to do so would be anti-dilutive |  | 12 |  |  | 15 |  |  | 13 |  |  | 20 |

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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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