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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Property, plant and equipment | — | — | — |
164,121,000
EUR
|
— | — |
60,906,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — |
7,778,000
EUR
|
— | — |
9,945,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — |
2,323,000
EUR
|
— | — |
1,974,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
35,216,000
EUR
|
— | — |
64,870,000
EUR
|
— | — | — | — | — |
34,911,000
EUR
|
— | — | — | — | — |
| Assets | — | — | — |
228,487,000
EUR
|
— | — |
163,584,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital | — | — | — |
4,321,000
EUR
|
— | — |
4,261,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — |
236,078,000
EUR
|
— | — |
205,291,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — |
271,006,000
EUR
|
— | — |
270,829,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — | — | — |
6,924,000
EUR
|
— | — |
12,785,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — |
46,173,000
EUR
|
— | — |
82,584,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — |
7,690,000
EUR
|
— | — |
10,437,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
271,006,000
EUR
|
4,321,000
EUR
|
236,078,000
EUR
|
53,863,000
EUR
|
6,924,000
EUR
|
7,690,000
EUR
|
93,021,000
EUR
|
270,829,000
EUR
|
10,437,000
EUR
|
205,291,000
EUR
|
4,261,000
EUR
|
12,785,000
EUR
|
50,025,000
EUR
|
195,291,000
EUR
|
11,936,000
EUR
|
—
EUR
|
230,252,000
EUR
|
3,129,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||
| Provisions [abstract] | ||||||||||||||||||
| Other provisions | — | — | — |
323,000
EUR
|
— | — |
236,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities included in disposal groups classified as held for sale | — | — | — |
1,665,000
EUR
|
— | — |
—
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — |
174,624,000
EUR
|
— | — |
70,563,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
228,487,000
EUR
|
— | — |
163,584,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |