Statement Of Financial Position [Abstract]
| Concept |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment | — | — | — | — | — | — |
74,545,000
EUR
|
— |
13,178,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — | — | — | — |
1,151,000
EUR
|
— |
1,105,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — | — | — | — |
120,000
EUR
|
— |
120,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other non-current financial assets | — | — | — | — | — | — |
1,730,000
EUR
|
— |
2,500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — | — | — | — | — | — |
282,822,000
EUR
|
— |
217,165,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Current inventories | — | — | — | — | — | — |
81,240,000
EUR
|
— |
56,688,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Trade and other current receivables | — | — | — | — | — | — |
44,591,000
EUR
|
— |
40,894,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Other current financial assets | — | — | — | — | — | — |
37,771,000
EUR
|
— |
50,581,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — | — | — | — |
90,485,000
EUR
|
— |
62,653,000
EUR
|
— | — | — | — | — | — | — |
24,338,000
EUR
|
— | — | — | — |
| Current assets | — | — | — | — | — | — |
254,087,000
EUR
|
— |
210,815,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Assets | — | — | — | — | — | — |
536,909,000
EUR
|
— |
427,980,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Other reserves | — | — | — | — | — | — |
126,881,000
EUR
|
— |
108,429,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
116,950,000
EUR
|
354,000
EUR
|
0
EUR
|
16,771,000
EUR
|
551,663,000
EUR
|
6,842,000
EUR
|
425,138,000
EUR
|
340,923,000
EUR
|
232,763,000
EUR
|
83,960,000
EUR
|
7,384,000
EUR
|
36,270,000
EUR
|
4,417,000
EUR
|
269,000
EUR
|
291,803,000
EUR
|
33,609,000
EUR
|
213,977,000
EUR
|
1,450,000
EUR
|
4,443,000
EUR
|
241,000
EUR
|
50,351,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Deferred tax liabilities | — | — | — | — | — | — |
4,347,000
EUR
|
— |
3,904,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — | — | — | — | — | — |
37,157,000
EUR
|
— |
135,417,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Trade and other current payables | — | — | — | — | — | — |
53,147,000
EUR
|
— |
32,004,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — | — | — | — | — | — |
74,614,000
EUR
|
— |
59,801,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — | — | — | — |
536,909,000
EUR
|
— |
427,980,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |