Commitments and contingencies - Letters of credit (Details) - USD ($) |
Dec. 31, 2024 |
Dec. 31, 2023 |
|---|---|---|
| Disclosure of Commitments and contingencies [Line Items] | ||
| Letters of guarantee | $ 186,300,000 | $ 101,200,000 |
| Letters Of Credit Regional Governments And Others [Member] | ||
| Disclosure of Commitments and contingencies [Line Items] | ||
| Letters of guarantee | $ 26,392,000 | $ 6,345,000 |