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Equity - Deferred Compensation (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Employee Compensation And Benefits |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Share-based compensation expense | $ 13.4 | $ 14.2 | $ 14.2 |  |  |
Selling and Administrative Expense |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Share-based compensation expense | 0.8 | $ 0.7 | $ 0.8 |  |  |
Chief Executive Officer | Common Stock |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Restricted stock vested during period, net settled (in shares) |  | 153,287 | 120,665 |  |  |
Chief Executive Officer | ACM Acquisition | Common Stock |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Restricted stock vested during period, net settled (in shares) |  | 172,513 | 186,772 |  |  |
Restricted Common Stock |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Total grant date fair value | $ 22.2 | $ 23.7 |  |  |  |
Restricted stock vested with grant date fair value (in shares) | 894,913 |  |  |  |  |
Restricted stock vested during the period, grant date fair value | $ 9.6 |  |  |  |  |
Unvested restricted common stock outstanding (in shares) | 1,689,556 | 1,657,078 |  |  |  |
Unrecognized compensation cost | $ 8.8 |  |  |  |  |
Remaining weighted-average vesting period | 1 year 10 months 24 days |  |  |  |  |
Restricted Common Stock | Chief Executive Officer | Award One |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Restricted stock vested during period (in shares) | 184,729 |  |  |  |  |
Restricted Common Stock | Chief Executive Officer | Award Two |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Restricted stock vested during period (in shares) | 165,746 |  |  |  |  |
Restricted Common Stock | Chief Executive Officer | Common Stock | Award Two |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Restricted stock vested and settled (in shares) | 81,132 |  |  |  |  |
Restricted Common Stock | 2020 Plan | Chief Executive Officer |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Grants during the period (in shares) | 309,775 |  |  |  |  |
Total grant date fair value | $ 3.9 |  |  |  |  |
Restricted Common Stock | Employees |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Grants during the period (in shares) |  | 943,788 |  |  |  |
Total grant date fair value |  | $ 11.3 |  |  |  |
Shares withheld for taxes (in shares) | 273,163 |  |  |  |  |
Restricted Common Stock | Employees | 2020 Plan |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Grants during the period (in shares) | 828,073 |  | 652,596 |  |  |
Total grant date fair value | $ 10.9 |  | $ 11.1 |  |  |
Restricted Common Stock | Employees | 2020 Plan | Vested on Grant Date |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Grants during the period (in shares) | 268,869 | 299,710 | 232,899 |  |  |
Total grant date fair value | $ 3.5 | $ 3.6 | $ 4.0 |  |  |
Restricted Common Stock | Employees | 2020 Plan | First Anniversaries |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Grants during the period (in shares) | 244,794 |  | 217,840 |  |  |
Total grant date fair value | $ 3.2 | $ 3.4 | $ 3.7 |  |  |
Restricted Common Stock | Employees | 2020 Plan | Second Anniversaries |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Grants during the period (in shares) | 248,346 | 253,479 | 181,968 |  |  |
Total grant date fair value | $ 3.3 | $ 3.0 | $ 3.1 |  |  |
Restricted Common Stock | Employees | 2020 Plan | Third anniversaries |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Grants during the period (in shares) | 31,314 | 78,126 | 9,951 |  |  |
Total grant date fair value | $ 0.5 | $ 0.9 | $ 0.2 |  |  |
Restricted Common Stock | Employees | 2020 Plan | Fourth Anniversaries |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Grants during the period (in shares) | 34,750 | 34,722 | 9,938 |  |  |
Total grant date fair value | $ 0.5 | $ 0.4 | $ 0.2 |  |  |
RSUs | 2020 Plan | Director |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Grants during the period (in shares) | 36,688 | 40,796 |  |  |  |
Total grant date fair value | $ 0.5 | $ 0.5 |  |  |  |
RSUs | 2020 Plan | Chief Executive Officer |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Grants during the period (in shares) |  | 247,275 |  |  |  |
Total grant date fair value |  | $ 2.9 |  |  |  |
RSUs | Employees | First Anniversaries |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Grants during the period (in shares) |  | 277,751 |  |  |  |
Performance-Based Restricted Stock | Chief Executive Officer |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Grants during the period (in shares) | 275,569 |  |  |  |  | 246,508
Restricted stock vested during period (in shares) |  | 352,427 | 381,503 |  |  |
Vesting period (in years) |  | 4 years | 4 years | 4 years |  |
Performance-Based Restricted Stock | Chief Executive Officer | ACM Acquisition |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Grants during the period (in shares) |  |  |  |  | 313,152 | 246,508
Time Based Vesting Equity Award | Chief Executive Officer |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Grants during the period (in shares) |  |  | 189,873 |  |  |
Total grant date fair value |  |  | $ 3.3 |  |  |
Time Based Vesting Equity Award | Board Of Directors |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |
Grants during the period (in shares) |  |  | 25,012 |  |  |
Total grant date fair value |  |  | $ 0.4 |  |  |

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