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] | |||
| Investments accounted for using equity method [abstract] | |||
| Investments accounted for using equity method |
4,807,000
EUR
|
4,958,000
EUR
|
— |
| Trade and other receivables [abstract] | |||
| Other receivables |
20,675,000
EUR
|
24,708,000
EUR
|
— |
| Categories of non-current financial assets [abstract] | |||
| Non-current financial assets at fair value through profit or loss [abstract] | |||
| Non-current financial assets at fair value through profit or loss |
6,485,000
EUR
|
1,928,000
EUR
|
— |
| Non-current financial assets at fair value through other comprehensive income [abstract] | |||
| Non-current financial assets at fair value through other comprehensive income |
20,083,000
EUR
|
19,839,000
EUR
|
— |
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
5,708,000
EUR
|
8,612,000
EUR
|
4,949,000
EUR
|
| Miscellaneous liabilities [abstract] | |||
| Other liabilities |
77,719,000
EUR
|
115,730,000
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital, ordinary shares |
162,871,000
EUR
|
162,871,000
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
449,336,000
EUR
|
460,804,000
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Reserve of gains and losses on financial assets measured at fair value through other comprehensive income |
2,271,000
EUR
|
2,040,000
EUR
|
— |
| Miscellaneous equity [abstract] | |||
| Reserve of share-based payments |
40,740,000
EUR
|
56,865,000
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
13,917,150,000
EUR
|
11,104,688,000
EUR
|
— |
| Liabilities |
13,331,312,000
EUR
|
10,498,372,000
EUR
|
— |
| Assets less current liabilities [abstract] |