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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 The following is a reconciliation of the outstanding shares used in the basic and diluted earnings per share calculations.
(Dollars in thousands, except per share data) | For the Year Ended December 31,
| 2017 |  | 2016 |  | 2015
Net income | $ | 93,949 |  |  | 87,802 |  |  | 83,722 |
Basic weighted average common shares outstanding | 64,384,851 |  |  | 63,643,622 |  |  | 62,945,669 |
Plus: |  |  |  |  |
Dilutive shares | 194,371 |  |  | 208,364 |  |  | 169,049 |
Diluted weighted average common shares outstanding | 64,579,222 |  |  | 63,851,986 |  |  | 63,114,718 |
Earnings per share: |  |  |  |  |
Basic | $ | 1.46 |  |  | 1.38 |  |  | 1.33 |
Diluted | $ | 1.45 |  |  | 1.38 |  |  | 1.33 |
Anti-dilutive stock options and awards totaling 369,772 shares, 432,895 shares and 469,018 shares at December 31, 2017, 2016 and 2015, respectively, were excluded from the earnings per share calculations.

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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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