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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||
| Investment property | — | — | — |
636,187,000
EUR
|
— | — |
776,616,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
4,896,000
EUR
|
— | — |
3,754,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — |
641,083,000
EUR
|
— | — |
780,370,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||
| Trade and other current receivables | — | — | — |
14,682,000
EUR
|
— | — |
12,570,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
18,061,000
EUR
|
— | — |
20,262,000
EUR
|
— | — | — | — | — |
23,280,000
EUR
|
— | — | — | — | — |
| Current assets | — | — | — |
52,809,000
EUR
|
— | — |
37,413,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — |
693,892,000
EUR
|
— | — |
817,783,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital | — | — | — |
4,717,000
EUR
|
— | — |
4,717,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings | — | — | — |
22,766,000
EUR
|
— | — |
20,083,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Share premium | — | — | — |
269,546,000
EUR
|
— | — |
269,546,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — |
384,928,000
EUR
|
— | — |
489,977,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
269,546,000
EUR
|
4,717,000
EUR
|
22,766,000
EUR
|
384,928,000
EUR
|
64,200,000
EUR
|
152,099,000
EUR
|
489,977,000
EUR
|
269,546,000
EUR
|
20,083,000
EUR
|
4,717,000
EUR
|
30,780,000
EUR
|
164,851,000
EUR
|
487,505,000
EUR
|
4,309,000
EUR
|
15,939,000
EUR
|
178,207,000
EUR
|
63,258,000
EUR
|
225,792,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||
| Deferred tax liabilities | — | — | — |
11,734,000
EUR
|
— | — |
24,446,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — |
291,952,000
EUR
|
— | — |
312,065,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||
| Trade and other current payables | — | — | — |
16,353,000
EUR
|
— | — |
15,006,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — |
17,012,000
EUR
|
— | — |
15,741,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — | — | — |
308,964,000
EUR
|
— | — |
327,806,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |