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 |
37,192
EUR
|
40,098
EUR
|
— |
| Intangible assets and goodwill [abstract] | |||
| Intangible assets other than goodwill [abstract] | |||
| Intangible assets other than goodwill |
5,067
EUR
|
5,645
EUR
|
— |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements [abstract] | |||
| Investments in joint ventures reported in separate financial statements |
2,344
EUR
|
2,893
EUR
|
— |
| Trade and other non-current receivables [abstract] | |||
| Other non-current receivables |
16,000
EUR
|
426,000
EUR
|
— |
| Trade and other receivables [abstract] | |||
| Trade receivables |
16,206
EUR
|
13,488
EUR
|
— |
| Other receivables |
6,556
EUR
|
3,960
EUR
|
— |
| Classes of current inventories [abstract] | |||
| Current inventories |
16,106
EUR
|
15,712
EUR
|
— |
| Classes of current inventories, alternative [abstract] | |||
| Cash and cash equivalents [abstract] | |||
| Cash and cash equivalents |
53,522
EUR
|
123,668
EUR
|
178,725
EUR
|
| Miscellaneous current assets [abstract] | |||
| Other current assets |
2,736
EUR
|
3,155
EUR
|
— |
| Borrowings, by type [abstract] | |||
| Bonds issued |
128,151
EUR
|
125,260
EUR
|
— |
| Trade and other payables [abstract] | |||
| Trade and other payables |
11,560
EUR
|
13,907
EUR
|
— |
| Miscellaneous current liabilities [abstract] | |||
| Other current liabilities |
8,445
EUR
|
7,587
EUR
|
— |
| Issued capital [abstract] | |||
| Issued capital |
220,657
EUR
|
220,657
EUR
|
— |
| Retained earnings [abstract] | |||
| Retained earnings |
526,405
EUR
|
455,343
EUR
|
— |
| Accumulated other comprehensive income [abstract] | |||
| Accumulated other comprehensive income |
5,571
EUR
|
5,152
EUR
|
— |
| Miscellaneous equity [abstract] | |||
| Reserve of share-based payments |
6,862
EUR
|
6,102
EUR
|
— |
| Net assets (liabilities) [abstract] | |||
| Assets |
142,480
EUR
|
210,517
EUR
|
— |
| Net current assets (liabilities) [abstract] | |||
| Current assets |
95,126
EUR
|
159,983
EUR
|
— |
| Current liabilities |
33,705
EUR
|
29,445
EUR
|
— |
| Assets less current liabilities [abstract] |