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 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 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 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment | — | — | — |
9,846,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
10,099,000
EUR
|
— | — | — | — | — | — | — | — |
| Investment property | — | — | — |
31,400,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
28,335,000
EUR
|
— | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
390,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
531,000
EUR
|
— | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
11,888,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
9,410,000
EUR
|
— | — | — | — | — |
6,674,000
EUR
|
— | — |
| Assets | — | — | — |
86,204,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
72,394,000
EUR
|
— | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — | — | — |
4,742,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
4,742,000
EUR
|
— | — | — | — | — | — | — | — |
| Retained earnings | — | — | — |
17,713,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
14,498,000
EUR
|
— | — | — | — | — | — | — | — |
| Other reserves | — | — | — |
6,869,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
7,085,000
EUR
|
— | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — |
29,324,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
26,325,000
EUR
|
— | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — |
1,230,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
824,000
EUR
|
— | — | — | — | — | — | — | — |
| Equity |
600,000
EUR
|
17,713,000
EUR
|
2,008,000
EUR
|
30,554,000
EUR
|
29,324,000
EUR
|
1,230,000
EUR
|
4,261,000
EUR
|
4,742,000
EUR
|
600,000
EUR
|
2,173,000
EUR
|
14,498,000
EUR
|
824,000
EUR
|
26,325,000
EUR
|
4,742,000
EUR
|
4,312,000
EUR
|
27,149,000
EUR
|
599,000
EUR
|
2,325,000
EUR
|
34,327,000
EUR
|
913,000
EUR
|
2,318,000
EUR
|
35,240,000
EUR
|
24,343,000
EUR
|
4,742,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Deferred tax liabilities | — | — | — |
875,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
555,000
EUR
|
— | — | — | — | — | — | — | — |
| Liabilities | — | — | — |
55,650,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
45,245,000
EUR
|
— | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
86,204,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
72,394,000
EUR
|
— | — | — | — | — | — | — | — |