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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2022
Earnings Per Share [Abstract] |
Computation of basic and diluted net earnings per share | The following table sets forth the computation of basic and diluted EPS:
(Thousands except per share amounts) |  | 2022 |  | 2021 |  | 2020
Numerator for basic and diluted EPS: |  |  |  |  |  |
Net income |  | $ | 85,990 |  |  | $ | 72,474 |  |  | $ | 15,462 |
Denominator: |  |  |  |  |  |
Denominator for basic EPS: |  |  |  |  |  |
Weighted-average shares outstanding |  | 20,511 |  |  | 20,422 |  |  | 20,338 |
Effect of dilutive securities: |  |  |  |  |  |
Stock appreciation rights |  | 81 |  |  | 78 |  |  | 39 |
Restricted stock units |  | 102 |  |  | 124 |  |  | 102 |
Performance-based restricted stock units |  | 66 |  |  | 65 |  |  | 124 |
Diluted potential common shares |  | 249 |  |  | 267 |  |  | 265 |
Denominator for diluted EPS: |  |  |  |  |  |
Adjusted weighted-average shares outstanding |  | 20,760 |  |  | 20,689 |  |  | 20,603 |
Basic EPS |  | $ | 4.19 |  |  | $ | 3.55 |  |  | $ | 0.76 |
Diluted EPS |  | $ | 4.14 |  |  | $ | 3.50 |  |  | $ | 0.75 |

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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 https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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