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 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 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
As at 2020-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||||||
| Property, plant and equipment | — | — | — |
39 027
EUR
|
— | — | — | — | — | — | — | — | — | — |
38 236
EUR
|
— | — | — | — | — | — | — | — | — |
| Right-of-use assets | — | — | — |
27 971
EUR
|
— | — | — | — | — | — | — | — | — | — |
29 670
EUR
|
— | — | — | — | — | — | — | — | — |
| Goodwill | — | — | — |
122 891
EUR
|
— | — | — | — | — | — | — | — | — | — |
132 379
EUR
|
— | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill | — | — | — |
4 526
EUR
|
— | — | — | — | — | — | — | — | — | — |
4 686
EUR
|
— | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method | — | — | — |
1 393
EUR
|
— | — | — | — | — | — | — | — | — | — |
627,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Deferred tax assets | — | — | — |
5 952
EUR
|
— | — | — | — | — | — | — | — | — | — |
4 821
EUR
|
— | — | — | — | — | — | — | — | — |
| Cash and cash equivalents | — | — | — |
167 262
EUR
|
— | — | — | — | — | — | — | — | — | — |
171 790
EUR
|
— | — | — | — | — | — | — | — | — |
| Assets | — | — | — |
743 317
EUR
|
— | — | — | — | — | — | — | — | — | — |
716 930
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||
| Issued capital | — | — | — |
1 250
EUR
|
— | — | — | — | — | — | — | — | — | — |
1 250
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity attributable to owners of parent | — | — | — |
227 753
EUR
|
— | — | — | — | — | — | — | — | — | — |
207 837
EUR
|
— | — | — | — | — | — | — | — | — |
| Non-controlling interests | — | — | — |
1 726
EUR
|
— | — | — | — | — | — | — | — | — | — |
1 161
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity |
2 120
EUR
|
7 021
EUR
|
221 949
EUR
|
229 478
EUR
|
348,000
EUR
|
227 753
EUR
|
1 726
EUR
|
1 250
EUR
|
1 161
EUR
|
201 991
EUR
|
207 837
EUR
|
1 250
EUR
|
348,000
EUR
|
2 076
EUR
|
208 998
EUR
|
7 021
EUR
|
185 407
EUR
|
1 992
EUR
|
348,000
EUR
|
1 250
EUR
|
190 955
EUR
|
7 021
EUR
|
384,000
EUR
|
191 339
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||
| Provisions [abstract] | ||||||||||||||||||||||||
| Provisions for employee benefits | — | — | — |
3 836
EUR
|
— | — | — | — | — | — | — | — | — | — |
2 883
EUR
|
— | — | — | — | — | — | — | — | — |
| Deferred tax liabilities | — | — | — |
99,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
50,000
EUR
|
— | — | — | — | — | — | — | — | — |
| Equity and liabilities | — | — | — |
743 317
EUR
|
— | — | — | — | — | — | — | — | — | — |
716 930
EUR
|
— | — | — | — | — | — | — | — | — |