Statement Of Financial Position [Abstract]
| Concept |
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 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment | — | — | — |
107,612,000
EUR
|
— | — | — | — | — | — | — | — | — |
110,340,000
EUR
|
— | — | — | — | — | — | — |
| Investment property | — | — | — |
425,000
EUR
|
— | — | — | — | — | — | — | — | — |
400,000
EUR
|
— | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — |
477,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,265,000
EUR
|
— | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
748,000
EUR
|
— | — | — | — | — | — | — | — | — |
349,000
EUR
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
73,201,000
EUR
|
— | — | — | — | — | — | — | — | — |
2,645,000
EUR
|
— | — | — | — |
1,579,000
EUR
|
— | — |
| Assets | — | — | — |
321,181,000
EUR
|
— | — | — | — | — | — | — | — | — |
241,847,000
EUR
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital | — | — | — |
5,100,000
EUR
|
— | — | — | — | — | — | — | — | — |
5,100,000
EUR
|
— | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — |
102,276,000
EUR
|
— | — | — | — | — | — | — | — | — |
93,746,000
EUR
|
— | — | — | — | — | — | — |
| Non-controlling interests | — | — | — |
821,000
EUR
|
— | — | — | — | — | — | — | — | — |
524,000
EUR
|
— | — | — | — | — | — | — |
| Equity |
84,527,000
EUR
|
11,590,000
EUR
|
1,059,000
EUR
|
103,097,000
EUR
|
102,276,000
EUR
|
821,000
EUR
|
5,100,000
EUR
|
524,000
EUR
|
7,271,000
EUR
|
1,059,000
EUR
|
80,316,000
EUR
|
5,100,000
EUR
|
93,746,000
EUR
|
94,270,000
EUR
|
86,475,000
EUR
|
222,000
EUR
|
1,059,000
EUR
|
74,828,000
EUR
|
86,697,000
EUR
|
5,488,000
EUR
|
5,100,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||
| Liabilities | — | — | — |
218,084,000
EUR
|
— | — | — | — | — | — | — | — | — |
147,577,000
EUR
|
— | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
321,181,000
EUR
|
— | — | — | — | — | — | — | — | — |
241,847,000
EUR
|
— | — | — | — | — | — | — |