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Earnings Per Share | 6 Months Ended
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Jun. 30, 2018
Earnings Per Share [Abstract] |
EARNINGS PER SHARE | EARNINGS PER SHARE Earnings per share consisted of the following components for the periods indicated:
| Three Months Ended |  | Six Months Ended
| June 30 |  | June 30
| 2018 |  | 2017 |  | 2018 |  | 2017
| (Dollars in thousands, except per share data)
Net income | $ | 31,118 |  |  | $ | 20,563 |  |  | $ | 58,673 |  |  | $ | 41,288 |
Weighted Average Shares |  |  |
Basic shares | 27,526,653 |  |  | 27,257,799 |  |  | 27,506,724 |  |  | 27,144,350 |
Effect of dilutive securities | 54,525 |  |  | 74,497 |  |  | 61,480 |  |  | 78,757 |
Diluted shares | 27,581,178 |  |  | 27,332,296 |  |  | 27,568,204 |  |  | 27,223,107 |
Net income per share |  |  |  |  |  |  |
Basic EPS | $ | 1.13 |  |  | $ | 0.75 |  |  | $ | 2.13 |  |  | $ | 1.52 |
Effect of dilutive securities | — |  |  | — |  |  | — |  |  | — |
Diluted EPS | $ | 1.13 |  |  | $ | 0.75 |  |  | $ | 2.13 |  |  | $ | 1.52 |
The following table illustrates the options to purchase common stock or shares of performance-based restricted stock that were excluded from the calculation of diluted earnings per share because they were anti-dilutive for the periods indicated:
| Three Months Ended |  | Six Months Ended
| June 30 |  | June 30
| 2018 |  | 2017 |  | 2018 |  | 2017
Stock options | 181 |  |  | — |  |  | 163 |  |  | — |
Performance-based restricted stock | — |  |  | — |  |  | — |  |  | — |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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