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] | |||
| Property, plant and equipment [abstract] | |||
| Property, plant and equipment |
414,000
EUR
|
515,000
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets and goodwill |
-
EUR
|
-
EUR
|
— |
| Investment property [abstract] | |||
| Investment property |
37 900
EUR
|
38 543
EUR
|
— |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | |||
| Investments in associates reported in separate financial statements |
26 642
EUR
|
25 991
EUR
|
— |
| Investments accounted for using equity method [abstract] | |||
| Investments in associates accounted for using equity method |
40,000
EUR
|
37,000
EUR
|
— |
| Trade and other receivables [abstract] | |||
| Trade receivables |
1 182
EUR
|
2 764
EUR
|
— |
| Other receivables |
1 887
EUR
|
2 545
EUR
|
— |
| Categories of current financial assets [abstract] | |||
| Current financial assets |
1 464
EUR
|
1 534
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash [abstract] | |||
| Cash |
2 588
EUR
|
1,245,000
EUR
|
486,000
EUR
|
| Cash equivalents [abstract] | |||
| Cash equivalents |
-
EUR
|
-
EUR
|
2 439
EUR
|
| Cash and cash equivalents |
2 588
EUR
|
1 245
EUR
|
— |
| Miscellaneous current assets [abstract] | |||
| Other current assets |
7,000
EUR
|
8,000
EUR
|
— |
| Classes of other provisions [abstract] | |||
| Other provisions [abstract] | |||
| Other non-current provisions |
180,000
EUR
|
-
EUR
|
— |
| Trade and other payables [abstract] | |||
| Trade payables |
346,000
EUR
|
363,000
EUR
|
— |
| Payables on social security and taxes other than income tax |
430,000
EUR
|
596,000
EUR
|
— |
| Categories of non-current financial liabilities [abstract] | |||
| Non-current financial liabilities |
314,000
EUR
|
374,000
EUR
|
— |
| Categories of current financial liabilities [abstract] | |||
| Current financial liabilities |
102,000
EUR
|
146,000
EUR
|
— |
| Miscellaneous liabilities [abstract] | |||
| Deposit liabilities | — | — | — |
| Deposits from customers [abstract] | |||
| Deposits from customers |
179,000
EUR
|
165,000
EUR
|
— |
| Other liabilities |
16 071
EUR
|
16 647
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
20 572
EUR
|
20 572
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings, profit (loss) for reporting period |
1 773
EUR
|
955,000
EUR
|
— |
| Retained earnings, excluding profit (loss) for reporting period |
17 274
EUR
|
16 839
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
72 124
EUR
|
73 183
EUR
|
— |
| Liabilities |
17 626
EUR
|
18 291
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
7 128
EUR
|
8 097
EUR
|
— |
| Current liabilities |
17 132
EUR
|
17 917
EUR
|
— |
| Assets less current liabilities [abstract] |