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 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 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 |
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 |
34,346,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
35,045,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
10,195,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
12,289,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Goodwill |
22,879,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
22,960,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
4,300,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
4,379,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Investments accounted for using equity method |
5,573,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
4,829,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
3,622,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
4,491,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
35,427,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
65,618,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
340,876,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
329,596,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||||||||||||||||||
| Issued capital |
30,710,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
30,710,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
136,496,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
123,742,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Share premium |
5,814,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
5,814,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Treasury shares |
1,850,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other reserves |
2,346,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
6,500,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Non-controlling interests |
1,743,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
1,651,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
170,567,000
EUR
|
3,891,000
EUR
|
933,000
EUR
|
2,346,000
EUR
|
1,743,000
EUR
|
5,814,000
EUR
|
136,496,000
EUR
|
1,850,000
EUR
|
30,710,000
EUR
|
1,955,000
EUR
|
168,824,000
EUR
|
523,000
EUR
|
0
EUR
|
123,742,000
EUR
|
6,500,000
EUR
|
155,417,000
EUR
|
69,000
EUR
|
164,000
EUR
|
7,284,000
EUR
|
153,766,000
EUR
|
5,814,000
EUR
|
1,651,000
EUR
|
1,017,000
EUR
|
30,710,000
EUR
|
111,095,000
EUR
|
1,354,000
EUR
|
96,000
EUR
|
137,397,000
EUR
|
30,710,000
EUR
|
8,557,000
EUR
|
0
EUR
|
1,569,000
EUR
|
10,222,000
EUR
|
5,814,000
EUR
|
136,043,000
EUR
|
0
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||||||||||||||||||
| Deferred tax liabilities |
3,259,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
2,491,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
340,876,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
329,596,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |