Significant agreements - Revenue recognition due to changes in contract assets and liabilities (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Significant agreements | |||
| Revenue recognized based on proportional performance | $ 9,109 | $ 24,266 | $ 19,160 |
| Revenue recognized based on contract modifications and expiration of material rights | 61,477 | 10,576 | 7,816 |
| Revenue recognized based on changes in transaction price | 2,000 | 433 | |
| Total | $ 72,586 | $ 35,275 | $ 26,976 |