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 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
As at 2022-01-01 |
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 2021-01-01 |
As at 2021-01-01 |
As at 2021-01-01 |
As at 2021-01-01 |
As at 2021-01-01 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||||||
| Assets [abstract] | ||||||||||||||||||||
| Non-current assets [abstract] | ||||||||||||||||||||
| Property, plant and equipment |
41,459,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
43,692,000
EUR
|
— | — | — | — | — | — | — | — |
| Goodwill |
61,266,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
61,645,000
EUR
|
— | — | — | — | — | — | — | — |
| Deferred tax assets |
2,755,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
3,091,000
EUR
|
— | — | — | — | — | — | — | — |
| Other non-current financial assets |
4,843,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
4,843,000
EUR
|
— | — | — | — | — | — | — | — |
| Non-current assets |
142,385,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
147,349,000
EUR
|
— | — | — | — | — | — | — | — |
| Current assets [abstract] | ||||||||||||||||||||
| Trade and other current receivables |
112,378,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
96,543,000
EUR
|
— | — | — | — | — | — | — | — |
| Current tax assets, current |
5,480,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
2,060,000
EUR
|
— | — | — | — | — | — | — | — |
| Cash and cash equivalents |
40,546,000
EUR
|
— | — | — | — | — | — | — |
47,692,000
EUR
|
— | — |
47,692,000
EUR
|
— | — | — | — | — |
53,051,000
EUR
|
— | — |
| Current assets |
461,943,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
378,963,000
EUR
|
— | — | — | — | — | — | — | — |
| Assets |
604,328,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
526,312,000
EUR
|
— | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||||||
| Equity [abstract] | ||||||||||||||||||||
| Issued capital |
5,441,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
5,441,000
EUR
|
— | — | — | — | — | — | — | — |
| Retained earnings |
333,459,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
280,003,000
EUR
|
— | — | — | — | — | — | — | — |
| Equity |
375,557,000
EUR
|
333,459,000
EUR
|
5,441,000
EUR
|
3,075,000
EUR
|
39,732,000
EUR
|
2,225,000
EUR
|
280,003,000
EUR
|
5,441,000
EUR
|
323,107,000
EUR
|
39,888,000
EUR
|
280,003,000
EUR
|
323,107,000
EUR
|
39,888,000
EUR
|
2,225,000
EUR
|
5,441,000
EUR
|
4,725,000
EUR
|
5,441,000
EUR
|
278,250,000
EUR
|
237,409,000
EUR
|
40,125,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||||||
| Non-current liabilities [abstract] | ||||||||||||||||||||
| Non-current provisions [abstract] | ||||||||||||||||||||
| Non-current provisions |
9,132,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
9,743,000
EUR
|
— | — | — | — | — | — | — | — |
| Deferred tax liabilities |
46,596,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
33,121,000
EUR
|
— | — | — | — | — | — | — | — |
| Non-current liabilities |
85,165,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
74,952,000
EUR
|
— | — | — | — | — | — | — | — |
| Current liabilities [abstract] | ||||||||||||||||||||
| Current provisions [abstract] | ||||||||||||||||||||
| Current provisions |
1,011,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
432,000
EUR
|
— | — | — | — | — | — | — | — |
| Current tax liabilities, current |
6,065,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
8,886,000
EUR
|
— | — | — | — | — | — | — | — |
| Current liabilities |
143,606,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
128,253,000
EUR
|
— | — | — | — | — | — | — | — |
| Liabilities |
228,771,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
203,205,000
EUR
|
— | — | — | — | — | — | — | — |
| Equity and liabilities |
604,328,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
526,312,000
EUR
|
— | — | — | — | — | — | — | — |