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Earnings Per Share | 9 Months Ended
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Sep. 30, 2019
Earnings Per Share [Abstract] |
Earnings Per Share | Note 8 – Earnings Per Share Basic earnings per share is based on the weighted average number of common shares outstanding. Diluted earnings per share is based on the weighted average number of common shares outstanding and all dilutive potential common shares outstanding. The following table sets forth the computation of basic and diluted earnings per share for the periods indicated:
(In thousands, except per share amounts) | Three Months Ended |  | Nine Months Ended
September 30, 2019 |  | September 30, 2018 |  | September 30, 2019 |  | September 30, 2018
Numerator: |  |  |  |  |  |  |
Net income | $ | 23,387 |  |  | $ | 19,734 |  |  | $ | 76,079 |  |  | $ | 63,199 |
Denominator: |  |  |  |  |  |  |
Weighted-average shares outstanding - basic | 18,581 |  |  | 18,403 |  |  | 18,569 |  |  | 18,360 |
Effect of dilutive shares | 143 |  |  | 275 |  |  | 146 |  |  | 289 |
Weighted-average shares outstanding - diluted | 18,724 |  |  | 18,678 |  |  | 18,715 |  |  | 18,649 |
Basic earnings per share | $ | 1.26 |  |  | $ | 1.07 |  |  | $ | 4.10 |  |  | $ | 3.44 |
Diluted earnings per share | $ | 1.25 |  |  | $ | 1.06 |  |  | $ | 4.07 |  |  | $ | 3.39 |
Dilutive shares are calculated using the treasury stock method and primarily include unvested restricted stock units. Anti-dilutive shares are excluded from the calculation of diluted shares and diluted earnings per share. For the three months ended September 30, 2019 and 2018, 3,173 shares and 37,700 shares were excluded, respectively.

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