Long-term incentive compensation payable - Changes in compensation (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Accrued Bonuses [Roll Forward] | ||
| Beginning of period | $ 217,552 | $ 183,134 |
| Long-term incentive compensation including accruals | 6,875 | 1,638 |
| Cash paid | (27,701) | (4,482) |
| Foreign exchange gains/(losses) | 567 | (214) |
| End of period | $ 197,293 | $ 180,076 |