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Equity - Deferred Compensation (Details) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2021 | Apr. 30, 2021 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Employee Compensation And Benefits |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |
Share-based compensation expense |  |  | $ 14.2 | $ 14.2 | $ 9.3 |  |  |
Selling and Administrative Expense |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |
Share-based compensation expense |  |  | $ 0.7 | $ 0.8 | $ 0.6 |  |  |
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 | 150,530 |  |  |
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 | 229,083 |  |  |
Restricted Common Stock |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |
Total grant date fair value |  |  | $ 23.7 | $ 21.3 |  |  |  |
Restricted stock vested with grant date fair value (in shares) |  |  | 874,611 |  |  |  |  |
Restricted stock vested during the period, grant date fair value |  |  | $ 11.1 |  |  |  |  |
Unvested restricted common stock outstanding (in shares) |  |  | 1,657,078 | 1,389,427 |  |  |  |
Unrecognized compensation cost |  |  | $ 8.1 |  |  |  |  |
Remaining weighted-average vesting period |  |  | 1 year 9 months 18 days |  |  |  |  |
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) |  |  | 247,275 |  |  |  |  |
Total grant date fair value |  |  | $ 2.9 |  |  |  |  |
Restricted Common Stock | Employees |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |
Grants during the period (in shares) |  |  |  | 652,596 |  |  |  |
Total grant date fair value |  |  |  | $ 11.1 |  |  |  |
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) |  |  | 943,788 |  | 384,758 |  |  |
Total grant date fair value |  |  | $ 11.3 |  | $ 6.4 |  |  |
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) |  |  | 299,710 | 232,899 | 144,951 |  |  |
Total grant date fair value |  |  | $ 3.6 | $ 4.0 | $ 2.4 |  |  |
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) |  |  | 277,751 |  | 101,475 |  |  |
Total grant date fair value |  |  | $ 3.4 | $ 3.7 | $ 1.7 |  |  |
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) |  |  | 253,479 | 181,968 | 88,788 |  |  |
Total grant date fair value |  |  | $ 3.0 | $ 3.1 | $ 1.5 |  |  |
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) |  |  | 78,126 | 9,951 | 25,479 |  |  |
Total grant date fair value |  |  | $ 0.9 | $ 0.2 | $ 0.4 |  |  |
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) |  |  | 34,722 | 9,938 | 24,065 |  |  |
Total grant date fair value |  |  | $ 0.4 | $ 0.2 | $ 0.4 |  |  |
RSUs | 2020 Plan | Director |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |
Grants during the period (in shares) |  |  | 40,796 | 25,012 |  |  |  |
Total grant date fair value |  |  | $ 0.5 | $ 0.4 |  |  |  |
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) |  |  |  | 189,873 |  |  |  |
Total grant date fair value |  |  |  | $ 3.3 |  |  |  |
RSUs | Employees | First Anniversaries |  |  |  |  |  |  |  |
Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items] |  |  |  |  |  |  |  |
Grants during the period (in shares) |  |  |  | 217,840 |  |  |  |
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) | 165,746 | 184,729 |  |  |  |  |  |
Total grant date fair value | $ 3.0 | $ 3.1 |  |  |  |  |  |
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) |  |  | 352,427 |  |  |  |  | 294,985
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period |  |  |  | 381,503 | 448,980 |  |  |
Vesting period (in 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 | 294,985

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