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EARNINGS PER SHARE | 12 Months Ended
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Dec. 31, 2017
Earnings Per Share [Abstract] |
EARNINGS PER SHARE | Earnings per share consisted of the following components for the years ended December 31:
| 2017 |  | 2016 |  | 2015
| (Dollars in thousands, except per share data)
Net income | $ | 87,204 |  |  | $ | 76,648 |  |  | $ | 64,960 |
Weighted Average Shares |
Basic shares | 27,294,028 |  |  | 26,404,071 |  |  | 25,891,382 |
Effect of dilutive securities | 78,076 |  |  | 51,847 |  |  | 68,566 |
Diluted shares | 27,372,104 |  |  | 26,455,918 |  |  | 25,959,948 |
Net income per share |  |  |  |  |
Basic EPS | $ | 3.19 |  |  | $ | 2.90 |  |  | $ | 2.51 |
Effect of dilutive securities | — |  |  | — |  |  | (0.01 | )
Diluted EPS | $ | 3.19 |  |  | $ | 2.90 |  |  | $ | 2.50 |
For the year ended December 31, 2017 there were 103 options to purchase common stock and no shares of performance-based restricted stock that were excluded from the calculation of diluted earnings per share because they were anti-dilutive. There were no options to purchase common stock or shares of performance-based restricted stock that were considered anti-dilutive for the years ended December 31, 2016 and 2015.

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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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