Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2023-12-31 |
As at 2022-12-31 |
As at 2021-12-31 |
|---|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | |||
| Investment property [abstract] | |||
| Investment property |
20,756,000
EUR
|
18,092,000
EUR
|
— |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | |||
| Investments in subsidiaries reported in separate financial statements |
EUR
|
EUR
|
— |
| Trade and other current receivables [abstract] | |||
| Current prepayments and current accrued income other than current contract assets [abstract] | |||
| Current prepayments [abstract] | |||
| Current prepayments |
1,000
EUR
|
2,000
EUR
|
— |
| Trade and other current receivables |
131,000
EUR
|
126,000
EUR
|
— |
| Current prepayments and current accrued income including current contract assets [abstract] | |||
| Categories of non-current financial assets [abstract] | |||
| Non-current financial assets at amortised cost |
EUR
|
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
59,000
EUR
|
199,000
EUR
|
144,000
EUR
|
| Miscellaneous current assets [abstract] | |||
| Current interest receivable |
EUR
|
EUR
|
— |
| Trade and other current payables [abstract] | |||
| Current trade payables |
77,000
EUR
|
47,000
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Other current liabilities |
104,000
EUR
|
96,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
955,000
EUR
|
955,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
12,918,000
EUR
|
10,759,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
20,947,000
EUR
|
18,419,000
EUR
|
— |
| Liabilities |
2,653,000
EUR
|
2,284,000
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
191,000
EUR
|
327,000
EUR
|
— |
| Current liabilities |
228,000
EUR
|
261,000
EUR
|
— |
| Assets less current liabilities [abstract] |