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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment |
4,915,000
EUR
|
— | — | — | — | — | — |
5,881,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
7,487,000
EUR
|
— | — | — | — | — | — |
15,070,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
260,000
EUR
|
— | — | — | — | — | — |
524,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
-
EUR
|
— | — | — | — | — | — |
-
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
35,260,000
EUR
|
— | — | — | — | — | — |
49,681,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Cash and cash equivalents |
63,605,000
EUR
|
— | — | — | — | — | — |
113,610,000
EUR
|
— | — | — | — | — | — | — |
35,097,000
EUR
|
— | — | — | — | — |
| Current assets |
159,736,000
EUR
|
— | — | — | — | — | — |
184,374,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
194,996,000
EUR
|
— | — | — | — | — | — |
234,055,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
1,216,000
EUR
|
— | — | — | — | — | — |
1,211,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
483,970,000
EUR
|
— | — | — | — | — | — |
483,976,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares |
363,000
EUR
|
— | — | — | — | — | — |
320,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
226,922,000
EUR
|
— | — | — | — | — | — |
184,687,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
940,000
EUR
|
— | — | — | — | — | — |
2,866,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
225,982,000
EUR
|
711,745,000
EUR
|
940,000
EUR
|
483,970,000
EUR
|
1,216,000
EUR
|
363,000
EUR
|
226,922,000
EUR
|
181,821,000
EUR
|
669,554,000
EUR
|
2,866,000
EUR
|
483,976,000
EUR
|
320,000
EUR
|
1,211,000
EUR
|
184,688,000
EUR
|
-
EUR
|
217,333,000
EUR
|
586,748,000
EUR
|
217,333,000
EUR
|
-
EUR
|
368,471,000
EUR
|
944,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||||||||
| Non-current provisions for employee benefits |
500,000
EUR
|
— | — | — | — | — | — |
692,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
29,530,000
EUR
|
— | — | — | — | — | — |
43,020,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||
| Current provisions |
14,838,000
EUR
|
— | — | — | — | — | — |
16,018,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial liabilities |
7,115,000
EUR
|
— | — | — | — | — | — |
4,988,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
391,448,000
EUR
|
— | — | — | — | — | — |
372,856,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
420,978,000
EUR
|
— | — | — | — | — | — |
415,876,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
194,996,000
EUR
|
— | — | — | — | — | — |
234,055,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |