Loss per share - Summary of outstanding shares of potentially dilutive securities (Details) - shares shares in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Loss per share | |||
| Outstanding shares of potentially dilutive securities | 40,631 | 97,385 | 97,385 |
| Warrants | |||
| Loss per share | |||
| Antidilutive securities excluded from computation of earnings per share amount of warrants portion | 31,980 | 31,980 | 31,980 |
| Treasury shares | |||
| Loss per share | |||
| Antidilutive securities excluded from computation of earnings per share amount of treasury share portion | 8,651 | 65,405 | 65,405 |