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Share-Based Payments and Long-term Incentive Plan - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based payment and LTIP expense |  | $ 14.6 | $ 5.5
Accrued expenses and other payables | [1] | $ 237.2 | $ 214.4
Weighted Average Exercise Price |  |  | $ 0.001
Number of options granted |  |  | 10,000
Number of options vested |  | 0 | 0
Number of options forfeited |  | 900 |
Outstanding options balance |  | 9,100 |
Performance Shares |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Allocated share-based compensation expense |  | $ 9.8 | $ 5.5
Retention shares or units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Allocated share-based compensation expense |  | 4.8 |
Long-term incentive plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Accrued expenses and other payables |  | 20.0 | $ 7.6
Management equity plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Estimated compensation expense |  | 35.0 |
Unrecognized compensation expense |  | 0.0 |
Fair value if vested at period end |  | $ 41.3 |
[1] | Includes amounts due to related parties of $4.0 million for investment management fees (2023 — $2.1 million), and $1.3 million for management consulting fees (2023 — $1.2 million).

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