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Share-based Compensation - Share-based Plans Narratives (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Shares outstanding (shares) | 290,000 | 270,000 |
Share-based compensation expense |  | $ 10.6 | $ 11.2
Tax benefit related to share-based compensation | $ 1.7 | $ 1.4 | $ 2.2
Share based compensation not yet recognized | $ 15.4 |  |
Recognition period for unrecognized share based compensation (in years) | 2 years 1 month 6 days |  |
Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Share based compensation not yet recognized | $ 2.3 |  |
Recognition period for unrecognized share based compensation (in years) | 2 years 3 months 18 days |  |
Restricted Stock and RSU's |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Shares other than options outstanding unvested (shares) | 110,000 | 110,000 |
Share based compensation not yet recognized | $ 8.6 |  |
Recognition period for unrecognized share based compensation (in years) | 2 years 2 months 12 days |  |
Performance Units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Shares other than options outstanding unvested (shares) | 70,000.00 | 70,000.00 |
Share based compensation not yet recognized | $ 4.5 |  |
Recognition period for unrecognized share based compensation (in years) | 1 year 9 months 18 days |  |
2017 Omnibus Equity Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Number of shares authorized (shares) | 1,700,000 |  |
2017 Omnibus Equity Plan | Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Shares outstanding (shares) | 260,000 |  |
2017 Omnibus Equity Plan | Restricted Stock and RSU's |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Shares other than options outstanding unvested (shares) | 110,000 |  |
2017 Omnibus Equity Plan | Performance Units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Shares other than options outstanding unvested (shares) | 70,000.00 |  |
2009 Omnibus Equity Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Number of shares authorized (shares) | 3,350,000 |  |
2009 Omnibus Equity Plan | Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award |  |  |
Shares outstanding (shares) | 30,000.00 |  |

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