Statement Of Financial Position [Abstract]
| Concept |
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 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||
| Assets [abstract] | |||||||||||||||
| Non-current assets [abstract] | |||||||||||||||
| Investment property |
17 744 334
EUR
|
— | — | — | — | — | — |
17 662 308
EUR
|
— | — | — | — | — | — | — |
| Goodwill |
191 079
EUR
|
— | — | — | — | — | — |
196 127
EUR
|
— | — | — | — | — | — | — |
| Intangible assets other than goodwill |
9 005
EUR
|
— | — | — | — | — | — |
7 017
EUR
|
— | — | — | — | — | — | — |
| Investments accounted for using equity method |
54 387
EUR
|
— | — | — | — | — | — |
51 441
EUR
|
— | — | — | — | — | — | — |
| Deferred tax assets |
1 900
EUR
|
— | — | — | — | — | — |
1 900
EUR
|
— | — | — | — | — | — | — |
| Non-current assets |
19 504 537
EUR
|
— | — | — | — | — | — |
19 244 737
EUR
|
— | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||
| Cash and cash equivalents |
174 123
EUR
|
— | — | — | — | — | — |
37 846
EUR
|
— | — |
31 690
EUR
|
— | — | — | — |
| Current assets |
745 087
EUR
|
— | — | — | — | — | — |
1 210 068
EUR
|
— | — | — | — | — | — | — |
| Assets |
20 249 624
EUR
|
— | — | — | — | — | — |
20 454 805
EUR
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||
| Equity [abstract] | |||||||||||||||
| Issued capital |
573 950
EUR
|
— | — | — | — | — | — |
573 077
EUR
|
— | — | — | — | — | — | — |
| Equity attributable to owners of parent |
12 474 325
EUR
|
— | — | — | — | — | — |
12 699 218
EUR
|
— | — | — | — | — | — | — |
| Non-controlling interests |
26 576
EUR
|
— | — | — | — | — | — |
27 352
EUR
|
— | — | — | — | — | — | — |
| Equity |
12 500 901
EUR
|
11 900 375
EUR
|
26 576
EUR
|
12 474 325
EUR
|
573 950
EUR
|
12 699 218
EUR
|
27 352
EUR
|
12 726 570
EUR
|
12 126 141
EUR
|
573 077
EUR
|
11 751 245
EUR
|
11 149 813
EUR
|
29 431
EUR
|
11 721 814
EUR
|
572 001
EUR
|
| Liabilities [abstract] | |||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||
| Non-current provisions [abstract] | |||||||||||||||
| Non-current provisions |
102 790
EUR
|
— | — | — | — | — | — |
35 671
EUR
|
— | — | — | — | — | — | — |
| Deferred tax liabilities |
64,000
EUR
|
— | — | — | — | — | — |
1 654
EUR
|
— | — | — | — | — | — | — |
| Non-current liabilities |
5 778 196
EUR
|
— | — | — | — | — | — |
5 487 705
EUR
|
— | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||
| Current liabilities |
1 970 527
EUR
|
— | — | — | — | — | — |
2 240 530
EUR
|
— | — | — | — | — | — | — |
| Equity and liabilities |
20 249 624
EUR
|
— | — | — | — | — | — |
20 454 805
EUR
|
— | — | — | — | — | — | — |