Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
22,936
EUR
|
18,360
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
274,000
EUR
|
55,000
EUR
|
— |
| Investment property [abstract] | |||
| Investment property |
4.775.801
EUR
|
4.556.181
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
923,000
EUR
|
1,021
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Trade and other current receivables |
3,922
EUR
|
4,572
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
313,684
EUR
|
460,960
EUR
|
298,219
EUR
|
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners [abstract] | |||
| Non-current assets or disposal groups classified as held for sale or as held for distribution to owners |
72,100
EUR
|
0
EUR
|
— |
| Classes of other provisions [abstract] | |||
| Other provisions [abstract] | |||
| Other non-current provisions |
2,585
EUR
|
0
EUR
|
— |
| Other provisions |
2,439
EUR
|
2,030
EUR
|
— |
| Current borrowings and current portion of non-current borrowings, by type [abstract] | |||
| Current loans received and current portion of non-current loans received | — | — | — |
| Current unsecured bank loans received and current portion of non-current unsecured bank loans received |
19,594
EUR
|
10,325
EUR
|
— |
| Trade and other current payables [abstract] | |||
| Current trade payables |
3,487
EUR
|
3,943
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
178,033
EUR
|
177,793
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
1.923.935
EUR
|
1.714.257
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Revaluation surplus |
3,485
EUR
|
3,485
EUR
|
— |
| Miscellaneous equity [abstract] | |||
| Additional paid-in capital |
1.261.630
EUR
|
1.356.907
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
5.234.372
EUR
|
5.090.249
EUR
|
— |
| Liabilities |
1.867.289
EUR
|
1.837.807
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
395,253
EUR
|
475,524
EUR
|
— |
| Current liabilities |
82,932
EUR
|
71,555
EUR
|
— |
| Assets less current liabilities [abstract] |