Long-term incentive compensation payable - Changes in compensation (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Accrued Bonuses [Roll Forward] | ||||
| Beginning of period | $ 91,191 | $ 211,160 | $ 228,366 | $ 217,552 |
| Long-term incentive compensation including accruals | 17,800 | 7,468 | (105,602) | 27,208 |
| Cash paid | (1,247) | (3,056) | (14,790) | (31,128) |
| Foreign exchange gains/(losses) | (346) | (689) | (576) | 1,251 |
| End of period | $ 107,398 | $ 214,883 | 107,398 | $ 214,883 |
| Long-term incentive compensation including accruals reversal | $ 122,600 | |||