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Earnings Per Share (Tables) | 6 Months Ended
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Jun. 30, 2020
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Earnings Per Share | The following table sets forth the computation of basic and diluted earnings per share:
(Dollars and shares in thousands, except per share amounts) | Three Months Ended |  |  |  | Six Months Ended |  |
| June 30, 2020 |  | June 30, 2019 |  | June 30, 2020 |  | June 30, 2019
Numerator: |  |  |  |  |  |  |
Net income | $ | 14,520 |  |  | $ | 24,293 |  |  | $ | 27,779 |  |  | $ | 52,692 |
Denominator: |  |  |  |  |  |  |
Weighted-average shares outstanding - basic | 18,676 |  |  | 18,568 |  |  | 18,673 |  |  | 18,562 |
Effect of dilutive shares | 5 |  |  | 162 |  |  | 13 |  |  | 149 |
Weighted-average shares outstanding - diluted | 18,681 |  |  | 18,730 |  |  | 18,686 |  |  | 18,711 |
Basic earnings per share | $ | 0.78 |  |  | $ | 1.31 |  |  | $ | 1.49 |  |  | $ | 2.84 |
Diluted earnings per share | $ | 0.78 |  |  | $ | 1.30 |  |  | $ | 1.49 |  |  | $ | 2.82 |

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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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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