Statement Of Financial Position [Abstract]
| Concept |
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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment | — |
10,668,000
EUR
|
— | — | — | — | — | — | — | — | — |
9,846,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets | — |
123,000
EUR
|
— | — | — | — | — | — | — | — | — |
198,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Investment property | — |
32,565,000
EUR
|
— | — | — | — | — | — | — | — | — |
31,400,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — |
609,000
EUR
|
— | — | — | — | — | — | — | — | — |
390,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — |
8,955,000
EUR
|
— | — | — | — | — | — | — | — | — |
11,888,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
9,410,000
EUR
|
| Assets | — |
88,157,000
EUR
|
— | — | — | — | — | — | — | — | — |
86,204,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — |
4,742,000
EUR
|
— | — | — | — | — | — | — | — | — |
4,742,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — |
18,200,000
EUR
|
— | — | — | — | — | — | — | — | — |
17,713,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves | — |
7,771,000
EUR
|
— | — | — | — | — | — | — | — | — |
6,869,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — |
30,713,000
EUR
|
— | — | — | — | — | — | — | — | — |
29,324,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests | — |
1,373,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,230,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
734,000
EUR
|
32,086,000
EUR
|
3,355,000
EUR
|
1,373,000
EUR
|
18,200,000
EUR
|
4,742,000
EUR
|
3,682,000
EUR
|
30,713,000
EUR
|
600,000
EUR
|
2,008,000
EUR
|
17,713,000
EUR
|
30,554,000
EUR
|
29,324,000
EUR
|
1,230,000
EUR
|
4,261,000
EUR
|
4,742,000
EUR
|
600,000
EUR
|
824,000
EUR
|
2,173,000
EUR
|
14,498,000
EUR
|
26,325,000
EUR
|
4,742,000
EUR
|
4,312,000
EUR
|
27,149,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Deferred tax liabilities | — |
1,088,000
EUR
|
— | — | — | — | — | — | — | — | — |
875,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — |
56,071,000
EUR
|
— | — | — | — | — | — | — | — | — |
55,650,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — |
88,157,000
EUR
|
— | — | — | — | — | — | — | — | — |
86,204,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |