Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2021-01-01 |
As at 2020-12-31 |
As at 2020-01-01 |
As at 2019-01-01 |
|---|---|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||||
| Property, plant and equipment [abstract] | |||||
| Property, plant and equipment |
110,967,000
EUR
|
— |
98,884,000
EUR
|
— | — |
| Intangible assets and goodwill [abstract] | |||||
| Intangible assets other than goodwill [abstract] | |||||
| Intangible assets other than goodwill |
2,111,000
EUR
|
— |
2,418,000
EUR
|
— | — |
| Investment property [abstract] | |||||
| Investment property completed |
7,575,107,000
EUR
|
— |
5,386,230,000
EUR
|
— | — |
| Investment property under construction or development |
774,203,000
EUR
|
— |
387,347,000
EUR
|
— | — |
| Trade and other non-current receivables [abstract] | |||||
| Non-current receivables due from related parties |
47,124,000
EUR
|
— |
42,046,000
EUR
|
— | — |
| Trade and other non-current receivables |
100,739,000
EUR
|
— |
11,796,000
EUR
|
— | — |
| Miscellaneous non-current assets [abstract] | |||||
| Non-current derivative financial assets |
126,000
EUR
|
— | — | — | — |
| Trade and other current receivables [abstract] | |||||
| Current receivables due from related parties |
528,000
EUR
|
— |
45,000
EUR
|
— | — |
| Trade and other current receivables |
144,082,000
EUR
|
— |
67,941,000
EUR
|
— | — |
| Current prepayments and current accrued income including current contract assets [abstract] | |||||
| Current accrued income including current contract assets [abstract] | |||||
| Current contract assets |
7,039,000
EUR
|
— |
12,878,000
EUR
|
— | — |
| Cash and cash equivalents [abstract] | |||||
| Cash and cash equivalents |
892,816,000
EUR
|
419,141,000
EUR
|
419,141,000
EUR
|
63,821,000
EUR
|
46,284,000
EUR
|
| Miscellaneous current assets [abstract] | |||||
| Current derivative financial assets |
46,000
EUR
|
— | — | — | — |
| Non-current portion of non-current borrowings, by type [abstract] | |||||
| Non-current portion of non-current loans received |
1,110,471,000
EUR
|
— |
2,191,999,000
EUR
|
— | — |
| Non-current portion of non-current bonds issued |
3,368,202,000
EUR
|
— |
1,041,971,000
EUR
|
— | — |
| Current borrowings and current portion of non-current borrowings, by type [abstract] | |||||
| Current loans received and current portion of non-current loans received |
20,833,000
EUR
|
— |
160,288,000
EUR
|
— | — |
| Current bonds issued and current portion of non-current bonds issued |
13,490,000
EUR
|
— | — | — | — |
| Trade and other non-current payables [abstract] | |||||
| Non-current payables to related parties |
18,000
EUR
|
— |
34,544,000
EUR
|
— | — |
| Trade and other non-current payables |
64,591,000
EUR
|
— |
23,385,000
EUR
|
— | — |
| Trade and other current payables [abstract] | |||||
| Current payables to related parties | — | — |
2,627,000
EUR
|
— | — |
| Trade and other current payables |
237,148,000
EUR
|
— |
169,006,000
EUR
|
— | — |
| Miscellaneous non-current liabilities [abstract] | |||||
| Non-current derivative financial liabilities | — | — |
27,196,000
EUR
|
— | — |
| Miscellaneous current liabilities [abstract] | |||||
| Current derivative financial liabilities | — | — |
6,870,000
EUR
|
— | — |
| Issued capital [abstract] | |||||
| Issued capital |
64,063,000
EUR
|
— |
53,760,000
EUR
|
— | — |
| Retained earnings [abstract] | |||||
| Retained earnings |
1,350,856,000
EUR
|
— |
324,862,000
EUR
|
— | — |
| Accumulated other comprehensive income [abstract] | |||||
| Revaluation surplus |
19,216,000
EUR
|
— |
11,662,000
EUR
|
— | — |
| Reserve of exchange differences on translation |
10,716,000
EUR
|
— |
14,458,000
EUR
|
— | — |
| Net assets (liabilities) [abstract] | |||||
| Assets |
9,686,645,000
EUR
|
— |
6,446,361,000
EUR
|
— | — |
| Liabilities |
5,579,815,000
EUR
|
— |
4,182,128,000
EUR
|
— | — |
| Net current assets (liabilities) [abstract] | |||||
| Current assets |
1,051,771,000
EUR
|
— |
502,697,000
EUR
|
— | — |
| Current liabilities |
289,760,000
EUR
|
— |
358,254,000
EUR
|
— | — |
| Assets less current liabilities [abstract] |