Income tax - Additional Information (Details) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Disclosure of temporary difference, unused tax losses and unused tax credits [line items] | ||
| Unrecognized tax liability including interest and penalties | $ 0.2 | $ 0.2 |
| French subsidiary | ||
| Disclosure of temporary difference, unused tax losses and unused tax credits [line items] | ||
| Dividends payments received | $ 3.5 | $ 3.3 |