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Earnings Per Share | 3 Months Ended
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Mar. 31, 2018
Earnings Per Share [Abstract] |
Earnings Per Share | Note 9 – Earnings Per Share The following table sets forth the computation of basic and diluted earnings per share:
|  | Three Months Ended |
|  | March 31 |
(in thousands except per share data) |  | 2018 |  |  | 2017 |
Numerator: |  |  |  |  |  |
Net income |  | $ | 15,814 |  |  | $ | 11,277 |
Denominator: |  |  |  |  |  |  |  |
Basic earnings per share: |  |  |  |  |  |  |  |
Weighted average shares |  |  | 17,671 |  |  |  | 17,615 |
Diluted earnings per share: |  |  |  |  |  |  |  |
Effect of dilutive stock options and restricted stock grants |  |  | 16 |  |  |  | 23 |
Adjusted weighted average shares |  |  | 17,687 |  |  |  | 17,638 |
Earnings per share: |  |  |  |  |  |  |  |
Basic earnings per share |  | $ | 0.89 |  |  | $ | 0.64 |
Diluted earnings per share |  |  | 0.89 |  |  |  | 0.64 |
There were no options to purchase common shares that were excluded from the diluted calculations above for the three months ended March 31, 2018 and 2017. In addition to in-the-money stock options, unvested restricted stock grants were also used in the calculation of diluted earnings per share based on the treasury method.

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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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