Subsequent events (Details) $ / shares in Units, $ in Thousands, shares in Millions |
1 Months Ended | 3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|---|
|
Aug. 31, 2026
USD ($)
$ / shares
shares
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2025
USD ($)
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2025
USD ($)
|
Jun. 30, 2026
€ / shares
|
Dec. 31, 2025
€ / shares
|
|
| Disclosure of non-adjusting events after reporting period [line items] | |||||||
| Par value per share (in unit per share) | € / shares | € 1 | € 1 | |||||
| Proceeds from issue of equity | $ 0 | $ 6 | $ 0 | $ 7 | |||
| Potential ordinary share transactions | Forecast | |||||||
| Disclosure of non-adjusting events after reporting period [line items] | |||||||
| Number of shares agreed to be purchased (in shares) | shares | 9.1 | ||||||
| Par value per share (in unit per share) | $ / shares | $ 5.52 | ||||||
| Proceeds from issue of equity | $ 50,000 | ||||||