Statement Of Financial Position [Abstract]
| Concept |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
As at 2023-12-31 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | |||||||||||||||||||||
| Assets [abstract] | |||||||||||||||||||||
| Property, plant and equipment |
66,491,000
EUR
|
— | — | — | — | — | — | — |
67,473,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
2,113,000
EUR
|
— | — | — | — | — | — | — |
1,861,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Investment property |
3,256,000
EUR
|
— | — | — | — | — | — | — |
2,961,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
8,788,000
EUR
|
— | — | — | — | — | — | — |
7,380,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Investments in subsidiaries, joint ventures and associates reported in separate financial statements |
14,980,000
EUR
|
— | — | — | — | — | — | — |
14,980,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
2,223,000
EUR
|
— | — | — | — | — | — | — |
1,996,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
1,025,000
EUR
|
— | — | — | — | — | — | — |
2,378,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Assets |
163,528,000
EUR
|
— | — | — | — | — | — | — |
149,429,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | |||||||||||||||||||||
| Equity [abstract] | |||||||||||||||||||||
| Issued capital |
54,595,000
EUR
|
— | — | — | — | — | — | — |
55,738,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Retained earnings |
1,040,000
EUR
|
— | — | — | — | — | — | — |
642,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity |
91,115,000
EUR
|
1,040,000
EUR
|
2,773,000
EUR
|
54,595,000
EUR
|
871,000
EUR
|
25,884,000
EUR
|
7,694,000
EUR
|
7,694,000
EUR
|
90,044,000
EUR
|
2,773,000
EUR
|
642,000
EUR
|
921,000
EUR
|
55,738,000
EUR
|
25,402,000
EUR
|
1,141,000
EUR
|
25,520,000
EUR
|
10,931,000
EUR
|
9,864,000
EUR
|
2,773,000
EUR
|
103,685,000
EUR
|
55,738,000
EUR
|
| Liabilities [abstract] | |||||||||||||||||||||
| Liabilities |
72,413,000
EUR
|
— | — | — | — | — | — | — |
59,385,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
163,528,000
EUR
|
— | — | — | — | — | — | — |
149,429,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — |