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Share-Based Compensation - Summary of Share-Based Compensation (income) expense (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Summary of share-based compensation expense |  |  |  |  |
Share-based compensation expense |  | $ 2,529 | $ 1,744 | $ 7,998 | $ 5,960
Share-based compensation expense before income tax |  | 2,529 | 1,744 | 7,998 | 5,960
Income tax benefit | [1] | (31) | (21) | (78) | (76)
Share-based compensation expense, net of income tax |  | 2,498 | 1,723 | 7,920 | 5,884
Performance-based Restricted Stock Units |  |  |  |  |
Summary of share-based compensation expense |  |  |  |  |
Share-based compensation expense |  | 16 | (118) | 735 | 488
Share-based compensation expense before income tax |  | 16 | (118) | 735 | 488
Restricted Stock Awards And Restricted Stock Units |  |  |  |  |
Summary of share-based compensation expense |  |  |  |  |
Share-based compensation expense |  | 1,705 | 1,284 | 5,054 | 3,964
Share-based compensation expense before income tax |  | 1,705 | 1,284 | 5,054 | 3,964
Stock Options |  |  |  |  |
Summary of share-based compensation expense |  |  |  |  |
Share-based compensation expense |  | 808 | 578 | 2,209 | 1,508
Share-based compensation expense before income tax |  | $ 808 | $ 578 | $ 2,209 | $ 1,508
[1] | The 2022 and 2021 income tax benefit amount primarily reflects the tax benefit associated with our Canadian-based employees.

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- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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