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Share-based Compensation (Details) - USD ($) shares in Thousands, $ in Millions | 3 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award |  |
Share-based compensation, fair value of awards granted | $ 19.4 |
Allocated share-based compensation expense | 6.0 | $ 4.0
Share based compensation expense not yet recognized | $ 29.5 |
Period in which unrecognized share based compensation will be recognized (in years) | 2 years 7 months 6 days |
Director |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Share-based compensation, fair value of restricted shares granted | $ 0.4 |
Stock Options |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Share-based compensation, shares granted (shares) | 70 |
Share-based compensation, vesting period (in years) | 4 years |
Restricted Stock Units (RSUs) |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Share-based compensation, restricted shares granted (shares) | 70 |
Share-based compensation, vesting period (in years) | 3 years |
Share-based compensation, shares vested other than options (shares) | 40 |
Performance Shares |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Share-based compensation, restricted shares granted (shares) | 40 |
Share-based compensation, vesting period (in years) | 3 years |
Share-based compensation, shares vested other than options (shares) | 20 |
Restricted Stock |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |
Share-based compensation, shares vested other than options (shares) | 40 |

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479830/718-10-S99-1 Reference 2: 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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