Revenue - Schedule of Revenue From Sale of Commercial Products (Detail) - EUR (€) € in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Disclosure of operating segments [line items] | ||||
| Revenue from commercial products | € 314,910 | € 153,663 | € 555,763 | € 249,690 |
| YORVIPATH [member] | ||||
| Disclosure of operating segments [line items] | ||||
| Revenue from commercial products | 252,114 | 102,957 | 449,010 | 147,646 |
| SKYTROFA [member] | ||||
| Disclosure of operating segments [line items] | ||||
| Revenue from commercial products | 55,214 | € 50,706 | 99,171 | € 102,044 |
| YUVIWEL | ||||
| Disclosure of operating segments [line items] | ||||
| Revenue from commercial products | € 7,582 | € 7,582 | ||