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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment | — |
359,000
EUR
|
— | — | — | — | — | — | — | — | — |
414,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Investment property | — |
36,427,000
EUR
|
— | — | — | — | — | — | — | — | — |
29,616,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — |
11,000
EUR
|
— | — | — | — | — | — | — | — | — |
14,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets | — |
36,000
EUR
|
— | — | — | — | — | — | — | — | — |
42,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — |
1,282,000
EUR
|
— | — | — | — | — | — | — | — | — |
1,901,000
EUR
|
— | — | — | — | — | — | — |
16,034,000
EUR
|
— |
| Assets | — |
39,016,000
EUR
|
— | — | — | — | — | — | — | — | — |
33,026,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital | — |
11,689,000
EUR
|
— | — | — | — | — | — | — | — | — |
11,689,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Retained earnings | — |
5,945,000
EUR
|
— | — | — | — | — | — | — | — | — |
3,640,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Share premium | — |
2,478,000
EUR
|
— | — | — | — | — | — | — | — | — |
2,478,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Treasury shares | — |
-
EUR
|
— | — | — | — | — | — | — | — | — |
-
EUR
|
— | — | — | — | — | — | — | — | — |
| Other reserves | — |
3,431,000
EUR
|
— | — | — | — | — | — | — | — | — |
2,479,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity |
931,000
EUR
|
23,543,000
EUR
|
2,478,000
EUR
|
2,500,000
EUR
|
5,945,000
EUR
|
-
EUR
|
11,689,000
EUR
|
-
EUR
|
1,592,000
EUR
|
887,000
EUR
|
3,640,000
EUR
|
20,286,000
EUR
|
2,478,000
EUR
|
11,689,000
EUR
|
5,757,000
EUR
|
1,316,000
EUR
|
19,068,000
EUR
|
187,000
EUR
|
2,478,000
EUR
|
28,871,000
EUR
|
439,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||
| Liabilities | — |
15,473,000
EUR
|
— | — | — | — | — | — | — | — | — |
12,740,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities | — |
39,016,000
EUR
|
— | — | — | — | — | — | — | — | — |
33,026,000
EUR
|
— | — | — | — | — | — | — | — | — |