Statement Of Financial Position [Abstract]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment | — | — |
37,192,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
40,098,000
EUR
|
— | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — |
5,067,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
5,645,000
EUR
|
— | — | — | — | — | — | — |
| Deferred tax assets | — | — |
1,595,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
1,472,000
EUR
|
— | — | — | — | — | — | — |
| Cash and cash equivalents | — | — |
53,522,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
123,668,000
EUR
|
— | — |
178,725,000
EUR
|
— | — | — | — |
| Assets | — | — |
142,480,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
210,517,000
EUR
|
— | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital | — | — |
220,657,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
220,657,000
EUR
|
— | — | — | — | — | — | — |
| Retained earnings | — | — |
526,405,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
455,343,000
EUR
|
— | — | — | — | — | — | — |
| Share premium | — | — |
711,874,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
711,874,000
EUR
|
— | — | — | — | — | — | — |
| Equity |
526,405,000
EUR
|
5,572,000
EUR
|
33,897,000
EUR
|
33,897,000
EUR
|
711,874,000
EUR
|
6,862,000
EUR
|
220,657,000
EUR
|
455,343,000
EUR
|
36,824,000
EUR
|
220,657,000
EUR
|
5,153,000
EUR
|
711,874,000
EUR
|
6,102,000
EUR
|
36,824,000
EUR
|
84,480,000
EUR
|
5,291,000
EUR
|
84,480,000
EUR
|
698,027,000
EUR
|
392,259,000
EUR
|
4,670,000
EUR
|
220,668,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||
| Trade and other payables | — | — |
11,560,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
13,907,000
EUR
|
— | — | — | — | — | — | — |
| Provisions [abstract] | |||||||||||||||||||||
| Provisions | — | — |
75,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — |
| Equity and liabilities | — | — |
142,480,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
210,517,000
EUR
|
— | — | — | — | — | — | — |