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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment |
283,604,000
EUR
|
— | — | — | — | — | — | — |
116,415,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investment property |
520,000
EUR
|
— | — | — | — | — | — | — |
515,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
1,915,000
EUR
|
— | — | — | — | — | — | — |
860,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets |
394,470,000
EUR
|
— | — | — | — | — | — | — |
222,332,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||||||
| Current tax assets, current |
2,991,000
EUR
|
— | — | — | — | — | — | — |
1,832,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
131,389,000
EUR
|
— | — | — | — | — | — | — |
89,832,000
EUR
|
— | — | — | — | — | — | — | — | — |
73,201,000
EUR
|
— | — | — | — | — |
| Current assets |
205,550,000
EUR
|
— | — | — | — | — | — | — |
134,971,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
600,020,000
EUR
|
— | — | — | — | — | — | — |
357,303,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital |
5,978,000
EUR
|
— | — | — | — | — | — | — |
5,100,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
49,711,000
EUR
|
— | — | — | — | — | — | — |
1,059,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
245,535,000
EUR
|
— | — | — | — | — | — | — |
104,642,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
1,479,000
EUR
|
— | — | — | — | — | — | — |
1,122,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
247,014,000
EUR
|
98,483,000
EUR
|
10,863,000
EUR
|
1,479,000
EUR
|
49,711,000
EUR
|
5,978,000
EUR
|
245,535,000
EUR
|
80,500,000
EUR
|
105,764,000
EUR
|
91,266,000
EUR
|
7,217,000
EUR
|
1,122,000
EUR
|
1,059,000
EUR
|
5,100,000
EUR
|
104,642,000
EUR
|
-
EUR
|
-
EUR
|
11,590,000
EUR
|
103,097,000
EUR
|
84,527,000
EUR
|
102,276,000
EUR
|
1,059,000
EUR
|
821,000
EUR
|
5,100,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||||||
| Non-current provisions for employee benefits |
727,000
EUR
|
— | — | — | — | — | — | — |
468,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
1,814,000
EUR
|
— | — | — | — | — | — | — |
688,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities |
197,519,000
EUR
|
— | — | — | — | — | — | — |
100,972,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||||||
| Current provisions for employee benefits |
4,029,000
EUR
|
— | — | — | — | — | — | — |
3,310,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other current provisions |
-
EUR
|
— | — | — | — | — | — | — |
228,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current tax liabilities, current |
58,000
EUR
|
— | — | — | — | — | — | — |
13,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities |
155,487,000
EUR
|
— | — | — | — | — | — | — |
150,567,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
353,006,000
EUR
|
— | — | — | — | — | — | — |
251,539,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
600,020,000
EUR
|
— | — | — | — | — | — | — |
357,303,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |