Share capital and share premium - Narrative (Details) $ in Thousands |
6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2026
USD ($)
vote
shares
|
Dec. 31, 2025
USD ($)
vote
shares
|
Jun. 30, 2026
€ / shares
shares
|
Dec. 31, 2025
€ / shares
shares
|
|
| Disclosure of classes of share capital [line items] | ||||
| Par value per share (in unit per share) | € / shares | € 1 | € 1 | ||
| Ordinary Shares | ||||
| Disclosure of classes of share capital [line items] | ||||
| Number of shares authorised (in shares) | shares | 249,135,746 | 247,705,230 | ||
| Par value per share (in unit per share) | € / shares | € 1 | € 1 | ||
| Number of votes per share | vote | 1 | 1 | ||
| Ordinary Shares | Settlement of Equity Programs | ||||
| Disclosure of classes of share capital [line items] | ||||
| Shares issued during the period (in shares) | shares | 1,430,516 | 2,779,580 | ||
| Shares issued, transaction costs | $ | $ 90 | $ 109 |