Statement Of Financial Position [Abstract]
| Concept |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||||||||
| Property, plant and equipment |
20,584,000
EUR
|
— | — | — | — | — | — | — | — |
18,974,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
3,999,000
EUR
|
— | — | — | — | — | — | — | — |
654,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
140,933,000
EUR
|
— | — | — | — | — | — | — | — |
128,352,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||||||||
| Current tax assets, current |
3,415,000
EUR
|
— | — | — | — | — | — | — | — |
1,103,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
423,941,000
EUR
|
— | — | — | — | — | — | — | — |
422,021,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
392,558,000
EUR
|
— | — | — | — | — | — |
| Current assets |
476,722,000
EUR
|
— | — | — | — | — | — | — | — |
468,413,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
617,655,000
EUR
|
— | — | — | — | — | — | — | — |
596,765,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||||||||
| Issued capital |
1,792,000
EUR
|
— | — | — | — | — | — | — | — |
1,746,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
406,771,000
EUR
|
— | — | — | — | — | — | — | — |
406,817,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
497,494,000
EUR
|
— | — | — | — | — | — | — | — |
473,453,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
-
EUR
|
— | — | — | — | — | — | — | — |
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
497,494,000
EUR
|
96,031,000
EUR
|
1,404,000
EUR
|
-
EUR
|
406,771,000
EUR
|
1,792,000
EUR
|
267,000
EUR
|
5,429,000
EUR
|
497,494,000
EUR
|
473,453,000
EUR
|
4,420,000
EUR
|
-
EUR
|
406,817,000
EUR
|
70,166,000
EUR
|
1,154,000
EUR
|
1,746,000
EUR
|
298,000
EUR
|
473,453,000
EUR
|
-
EUR
|
39,399,000
EUR
|
447,742,000
EUR
|
217,000
EUR
|
447,742,000
EUR
|
406,817,000
EUR
|
-
EUR
|
3,000
EUR
|
1,746,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||||||||
| Non-current provisions for employee benefits |
873,000
EUR
|
— | — | — | — | — | — | — | — |
501,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
1,727,000
EUR
|
— | — | — | — | — | — | — | — |
2,040,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
54,145,000
EUR
|
— | — | — | — | — | — | — | — |
60,217,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||||||||
| Current tax liabilities, current |
14,578,000
EUR
|
— | — | — | — | — | — | — | — |
1,830,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
66,016,000
EUR
|
— | — | — | — | — | — | — | — |
63,095,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
120,161,000
EUR
|
— | — | — | — | — | — | — | — |
123,312,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
617,655,000
EUR
|
— | — | — | — | — | — | — | — |
596,765,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |