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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Non-current assets [abstract] | |||||||||||||||
| Property, plant and equipment |
5,165,000
EUR
|
— | — | — | — |
1,464,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Investment property |
1,338,034,000
EUR
|
— | — | — | — |
1,240,192,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
134,000
EUR
|
— | — | — | — |
242,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Other non-current financial assets |
0
EUR
|
— | — | — | — |
1,659,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Non-current assets |
1,356,481,000
EUR
|
— | — | — | — |
1,255,721,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||
| Trade and other current receivables |
4,015,000
EUR
|
— | — | — | — |
2,226,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
7,729,000
EUR
|
— | — | — | — |
155,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Current assets |
11,744,000
EUR
|
— | — | — | — |
2,382,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Assets |
1,368,225,000
EUR
|
— | — | — | — |
1,258,103,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital |
72,489,000
EUR
|
— | — | — | — |
70,992,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Share premium |
916,768,000
EUR
|
— | — | — | — |
918,275,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity |
948,457,000
EUR
|
161,762,000
EUR
|
916,768,000
EUR
|
72,489,000
EUR
|
120,961,000
EUR
|
854,438,000
EUR
|
70,992,000
EUR
|
918,275,000
EUR
|
20,414,000
EUR
|
114,416,000
EUR
|
282,266,000
EUR
|
903,308,000
EUR
|
919,661,000
EUR
|
69,617,000
EUR
|
196,297,000
EUR
|
| Liabilities [abstract] | |||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||
| Non-current liabilities |
394,577,000
EUR
|
— | — | — | — |
372,140,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||
| Trade and other current payables |
24,485,000
EUR
|
— | — | — | — |
30,216,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Current liabilities |
25,192,000
EUR
|
— | — | — | — |
31,525,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Liabilities |
419,769,000
EUR
|
— | — | — | — |
403,665,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities |
1,368,225,000
EUR
|
— | — | — | — |
1,258,103,000
EUR
|
— | — | — | — | — | — | — | — | — |