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 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||
| Property, plant and equipment |
186,426,000
EUR
|
— | — | — | — | — |
188,429,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
62,952,000
EUR
|
— | — | — | — | — |
69,270,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
51,866,000
EUR
|
— | — | — | — | — |
52,291,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
56,862,000
EUR
|
— | — | — | — | — |
61,211,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
21,640,000
EUR
|
— | — | — | — | — |
23,544,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
24,262,000
EUR
|
— | — | — | — | — |
6,443,000
EUR
|
— | — | — | — | — | — | — |
15,507,000
EUR
|
— | — | — |
| Assets |
783,279,000
EUR
|
— | — | — | — | — |
749,123,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||
| Issued capital |
50,155,000
EUR
|
— | — | — | — | — |
47,482,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
178,330,000
EUR
|
— | — | — | — | — |
164,564,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent |
269,054,000
EUR
|
— | — | — | — | — |
185,444,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
269,054,000
EUR
|
178,330,000
EUR
|
4,215,000
EUR
|
70,236,000
EUR
|
33,883,000
EUR
|
50,155,000
EUR
|
185,444,000
EUR
|
164,564,000
EUR
|
47,482,000
EUR
|
3,000
EUR
|
41,930,000
EUR
|
15,332,000
EUR
|
126,290,000
EUR
|
2,139,000
EUR
|
153,889,000
EUR
|
30,932,000
EUR
|
13,188,000
EUR
|
47,482,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||
| Deferred tax liabilities |
11,488,000
EUR
|
— | — | — | — | — |
11,994,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Liabilities |
514,226,000
EUR
|
— | — | — | — | — |
563,678,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
783,279,000
EUR
|
— | — | — | — | — |
749,123,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |