Subclassifications Of Assets, Liabilities And Equities [Abstract]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
|---|---|---|
| Subclassifications of assets, liabilities and equities [abstract] | ||
| Property, plant and equipment [abstract] | ||
| Property, plant and equipment |
2,290,000
EUR
|
2,530,000
EUR
|
| Intangible assets and goodwill [abstract] | ||
| Intangible assets other than goodwill [abstract] | ||
| Intangible assets other than goodwill |
17,824,000
EUR
|
19,989,000
EUR
|
| Goodwill |
55,960,000
EUR
|
54,879,000
EUR
|
| Trade and other non-current receivables [abstract] | ||
| Other non-current receivables |
338,000
EUR
|
458,000
EUR
|
| Trade and other current receivables [abstract] | ||
| Current trade receivables |
7,060,000
EUR
|
7,124,000
EUR
|
| Categories of non-current financial assets [abstract] | ||
| Non-current loans and receivables |
1,095,789,000
EUR
|
1,124,699,000
EUR
|
| Cash and cash equivalents [abstract] | ||
| Cash and cash equivalents |
38,155,000
EUR
|
47,779,000
EUR
|
| Miscellaneous current assets [abstract] | ||
| Current restricted cash and cash equivalents |
5,798,000
EUR
|
2,946,000
EUR
|
| Other current assets |
16,154,000
EUR
|
11,645,000
EUR
|
| Borrowings [abstract] | ||
| Non-current portion of non-current borrowings |
834,411,000
EUR
|
579,282,000
EUR
|
| Current borrowings and current portion of non-current borrowings [abstract] | ||
| Current portion of non-current borrowings |
3,845,000
EUR
|
356,903,000
EUR
|
| Non-current portion of non-current borrowings, by type [abstract] | ||
| Trade and other current payables [abstract] | ||
| Current trade payables |
7,282,000
EUR
|
6,147,000
EUR
|
| Miscellaneous non-current liabilities [abstract] | ||
| Other non-current liabilities |
1,994,000
EUR
|
1,433,000
EUR
|
| Miscellaneous current liabilities [abstract] | ||
| Other current liabilities |
26,941,000
EUR
|
20,657,000
EUR
|
| Issued capital [abstract] | ||
| Issued capital |
158,150,000
EUR
|
97,040,000
EUR
|
| Retained earnings [abstract] | ||
| Retained earnings |
40,475,000
EUR
|
16,036,000
EUR
|
| Accumulated other comprehensive income [abstract] | ||
| Reserve of exchange differences on translation |
7,074,000
EUR
|
15,999,000
EUR
|
| Miscellaneous equity [abstract] | ||
| Additional paid-in capital |
269,919,000
EUR
|
236,562,000
EUR
|
| Net assets (liabilities) [abstract] | ||
| Assets |
1,293,175,000
EUR
|
1,363,627,000
EUR
|
| Liabilities |
911,925,000
EUR
|
987,947,000
EUR
|
| Net current assets (liabilities) [abstract] | ||
| Current assets |
96,476,000
EUR
|
148,281,000
EUR
|
| Current liabilities |
60,511,000
EUR
|
397,992,000
EUR
|
| Assets less current liabilities [abstract] |