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EARNINGS PER SHARE (Tables) | 12 Months Ended
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Dec. 31, 2017
Earnings Per Share [Abstract] |
Schedule of the Components of 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 |

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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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