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Share-Based Compensation - Summary of Share-Based Compensation (income) expense (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Summary of share-based compensation expense |  |  |  |  |
Share-based compensation expense before income tax |  | $ 3,679 | $ 2,847 | $ 6,786 | $ 5,912
Income tax benefit | [1] | (74) | (44) | (150) | (66)
Share-based compensation expense, net of income tax |  | 3,605 | 2,803 | 6,636 | 5,846
Performance-based Restricted Stock Units |  |  |  |  |
Summary of share-based compensation expense |  |  |  |  |
Share-based compensation expense before income tax |  | 1,461 | 819 | 2,403 | 1,641
Restricted Stock Awards And Restricted Stock Units |  |  |  |  |
Summary of share-based compensation expense |  |  |  |  |
Share-based compensation expense before income tax |  | 2,110 | 1,681 | 4,025 | 3,324
Stock Options |  |  |  |  |
Summary of share-based compensation expense |  |  |  |  |
Share-based compensation expense before income tax |  | $ 108 | $ 347 | $ 358 | $ 947
[1] | We do not record a tax benefit on the expense in the United States where we have a valuation allowance.

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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 -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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