Revenue - Schedule of Revenue From Sale of Commercial Products (Detail) - EUR (€) € in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2025 |
Sep. 30, 2024 |
|
| Disclosure of operating segments [line items] | ||||
| Revenue from commercial products | € 193,790 | € 55,710 | € 443,480 | € 153,598 |
| SKYTROFA [member] | ||||
| Disclosure of operating segments [line items] | ||||
| Revenue from commercial products | 50,701 | 47,249 | 152,745 | 138,455 |
| YORVIPATH [member] | ||||
| Disclosure of operating segments [line items] | ||||
| Revenue from commercial products | € 143,089 | € 8,461 | € 290,735 | € 15,143 |