Significant accounting policies - Intangible Assets (Details) |
12 Months Ended |
|---|---|
Dec. 31, 2024 | |
| Software and databases | Minimum | |
| Disclosure of detailed information about intangible assets | |
| Useful lives | 3 years |
| Software and databases | Maximum | |
| Disclosure of detailed information about intangible assets | |
| Useful lives | 5 years |
| Contract costs [member] | |
| Disclosure of detailed information about intangible assets | |
| Useful lives | 10 years |