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 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 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 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||||||
| Property, plant and equipment |
297,785,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
246,826,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
10,560,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
10,571,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
4,529,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
1,849,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
11,410,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
9,792,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
58,949,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
72,885,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
105,623,000
EUR
|
| Assets |
709,598,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
675,089,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||
| Issued capital |
54,505,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
54,441,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
255,672,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
256,263,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
90,468,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
90,213,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
307,117,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
252,735,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
12,504,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
6,184,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
319,620,000
EUR
|
2,201,000
EUR
|
12,504,000
EUR
|
90,468,000
EUR
|
16,000
EUR
|
255,672,000
EUR
|
54,505,000
EUR
|
93,538,000
EUR
|
307,117,000
EUR
|
2,226,000
EUR
|
75,000
EUR
|
256,263,000
EUR
|
258,919,000
EUR
|
5,690,000
EUR
|
252,735,000
EUR
|
90,213,000
EUR
|
6,184,000
EUR
|
142,418,000
EUR
|
54,441,000
EUR
|
228,334,000
EUR
|
6,937,000
EUR
|
239,348,000
EUR
|
53,950,000
EUR
|
75,000
EUR
|
7,409,000
EUR
|
123,764,000
EUR
|
88,310,000
EUR
|
246,284,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||
| Deferred tax liabilities |
9,736,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
1,544,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
709,598,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
675,089,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |