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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Non-current assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment | — |
564,379,000
EUR
|
— | — | — | — | — | — | — |
575,563,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — |
1,735,000
EUR
|
— | — | — | — | — | — | — |
2,130,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Trade and other non-current receivables | — |
303,000
EUR
|
— | — | — | — | — | — | — |
896,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current assets | — |
568,516,000
EUR
|
— | — | — | — | — | — | — |
580,148,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current assets [abstract] | |||||||||||||||||||||
| Current inventories | — |
749,000
EUR
|
— | — | — | — | — | — | — |
399,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Trade and other current receivables | — |
7,477,000
EUR
|
— | — | — | — | — | — | — |
14,151,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — |
44,387,000
EUR
|
— | — | — | — | — | — | — |
34,840,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
26,679,000
EUR
|
| Current assets other than non-current assets or disposal groups classified as held for sale or as held for distribution to owners | — |
52,613,000
EUR
|
— | — | — | — | — | — | — |
49,390,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current assets | — |
52,713,000
EUR
|
— | — | — | — | — | — | — |
49,390,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Assets | — |
621,229,000
EUR
|
— | — | — | — | — | — | — |
629,538,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital | — |
263,000,000
EUR
|
— | — | — | — | — | — | — |
263,000,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Share premium | — |
44,478,000
EUR
|
— | — | — | — | — | — | — |
44,478,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
22,115,000
EUR
|
380,976,000
EUR
|
263,000,000
EUR
|
44,478,000
EUR
|
51,383,000
EUR
|
380,976,000
EUR
|
0
EUR
|
21,271,000
EUR
|
52,146,000
EUR
|
380,895,000
EUR
|
0
EUR
|
263,000,000
EUR
|
380,895,000
EUR
|
44,478,000
EUR
|
47,794,000
EUR
|
20,262,000
EUR
|
102,000
EUR
|
375,432,000
EUR
|
263,000,000
EUR
|
44,478,000
EUR
|
— |
| Liabilities [abstract] | |||||||||||||||||||||
| Non-current liabilities [abstract] | |||||||||||||||||||||
| Trade and other non-current payables | — |
1,216,000
EUR
|
— | — | — | — | — | — | — |
1,461,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Non-current liabilities | — |
202,854,000
EUR
|
— | — | — | — | — | — | — |
218,694,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities [abstract] | |||||||||||||||||||||
| Current provisions [abstract] | |||||||||||||||||||||
| Current provisions | — |
2,013,000
EUR
|
— | — | — | — | — | — | — |
1,572,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Trade and other current payables | — |
9,832,000
EUR
|
— | — | — | — | — | — | — |
10,348,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Current liabilities | — |
37,399,000
EUR
|
— | — | — | — | — | — | — |
29,949,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities | — |
240,253,000
EUR
|
— | — | — | — | — | — | — |
248,643,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities | — |
621,229,000
EUR
|
— | — | — | — | — | — | — |
629,538,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |