Statement Of Financial Position [Abstract]
| Concept |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
As at 2022-12-31 |
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 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 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment |
131,600,000
EUR
|
— | — | — | — | — | — | — | — | — |
121,900,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
19,700,000
EUR
|
— | — | — | — | — | — | — | — | — |
18,300,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
37,800,000
EUR
|
— | — | — | — | — | — | — | — | — |
18,600,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
476,600,000
EUR
|
— | — | — | — | — | — | — | — | — |
490,800,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital |
30,200,000
EUR
|
— | — | — | — | — | — | — | — | — |
29,900,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
46,300,000
EUR
|
— | — | — | — | — | — | — | — | — |
14,400,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
38,400,000
EUR
|
— | — | — | — | — | — | — | — | — |
45,800,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
152,700,000
EUR
|
— | — | — | — | — | — | — | — | — |
132,900,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
175,000,000
EUR
|
38,400,000
EUR
|
46,300,000
EUR
|
1,800,000
EUR
|
30,200,000
EUR
|
9,400,000
EUR
|
143,300,000
EUR
|
1,800,000
EUR
|
1,900,000
EUR
|
14,400,000
EUR
|
223,000,000
EUR
|
200,000
EUR
|
127,000,000
EUR
|
45,800,000
EUR
|
7,600,000
EUR
|
29,900,000
EUR
|
4,300,000
EUR
|
100,000
EUR
|
29,900,000
EUR
|
3,400,000
EUR
|
200,000
EUR
|
51,700,000
EUR
|
203,400,000
EUR
|
121,000,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Deferred tax liabilities |
17,500,000
EUR
|
— | — | — | — | — | — | — | — | — |
17,700,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
301,600,000
EUR
|
— | — | — | — | — | — | — | — | — |
267,800,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
476,600,000
EUR
|
— | — | — | — | — | — | — | — | — |
490,800,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — |