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Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Numerator: |  |  |
Net income | $ 120,968 | $ 105,354 | $ 70,887
Basic |  |  |
Weighted average common shares outstanding (in shares) | 49,989 | 51,502 | 52,637
Diluted |  |  |
Stock options (in shares) | 172 | 487 | 683
Restricted stock awards (in shares) | 98 | 141 | 192
Contingent shares (in shares) | 21 | 14 | 0
Performance share units (in shares) | 277 | 244 | 211
Diluted weighted average common shares outstanding (in shares) | 50,557 | 52,388 | 53,723
Basic earnings per share (in dollars per share) | $ 2.42 | $ 2.05 | $ 1.35
Diluted earnings per share (in dollars per share) | $ 2.39 | $ 2.01 | $ 1.32
Share-based Payment Arrangement |  |  |
Dilutive Securities Included And Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |  |
Share based awards excluded from the calculation of diluted earnings per share (in shares) | 58 | 68 | 23
Performance share units |  |  |
Dilutive Securities Included And Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |  |  |
Share based awards excluded from the calculation of diluted earnings per share (in shares) | 200 | 200 | 300

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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