Statement Of Cash Flows [Abstract]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||||||||
| Profit (loss) | — |
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
25,612,000
EUR
|
25,612,000
EUR
|
25,612,000
EUR
|
28,518,000
EUR
|
— |
28,518,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
28,518,000
EUR
|
0
EUR
|
— |
| Income taxes paid (refund), classified as operating activities | — | — | — | — | — | — |
3,440,000
EUR
|
— | — | — |
4,913,000
EUR
|
— | — | — | — | — | — |
| Other inflows (outflows) of cash, classified as operating activities | — | — | — | — | — | — |
0
EUR
|
— | — | — |
2,600,000
EUR
|
— | — | — | — | — | — |
| Cash flows from (used in) operating activities | — | — | — | — | — | — |
50,162,000
EUR
|
— | — | — |
49,516,000
EUR
|
— | — | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||||||||
| Proceeds from sales of property, plant and equipment, classified as investing activities | — | — | — | — | — | — |
2,573,000
EUR
|
— | — | — |
2,863,000
EUR
|
— | — | — | — | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — | — | — | — | — |
14,535,000
EUR
|
— | — | — |
35,811,000
EUR
|
— | — | — | — | — | — |
| Purchase of intangible assets, classified as investing activities | — | — | — | — | — | — |
641,000
EUR
|
— | — | — |
661,000
EUR
|
— | — | — | — | — | — |
| Proceeds from government grants, classified as investing activities | — | — | — | — | — | — |
409,000
EUR
|
— | — | — |
3,561,000
EUR
|
— | — | — | — | — | — |
| Interest received, classified as investing activities | — | — | — | — | — | — |
3,000
EUR
|
— | — | — |
15,000
EUR
|
— | — | — | — | — | — |
| Cash flows from (used in) investing activities | — | — | — | — | — | — |
12,191,000
EUR
|
— | — | — |
30,033,000
EUR
|
— | — | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||||||||
| Proceeds from borrowings, classified as financing activities | — | — | — | — | — | — |
0
EUR
|
— | — | — |
20,000,000
EUR
|
— | — | — | — | — | — |
| Repayments of borrowings, classified as financing activities | — | — | — | — | — | — |
8,266,000
EUR
|
— | — | — |
7,266,000
EUR
|
— | — | — | — | — | — |
| Dividends paid, classified as financing activities | — | — | — | — | — | — |
20,085,000
EUR
|
— | — | — |
30,008,000
EUR
|
— | — | — | — | — | — |
| Interest paid, classified as financing activities | — | — | — | — | — | — |
1,458,000
EUR
|
— | — | — |
1,694,000
EUR
|
— | — | — | — | — | — |
| Other inflows (outflows) of cash, classified as financing activities | — | — | — | — | — | — |
1,000
EUR
|
— | — | — |
19,000
EUR
|
— | — | — | — | — | — |
| Cash flows from (used in) financing activities | — | — | — | — | — | — |
29,810,000
EUR
|
— | — | — |
27,987,000
EUR
|
— | — | — | — | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — | — | — | — | — |
8,161,000
EUR
|
— | — | — |
8,504,000
EUR
|
— | — | — | — | — | — |
| Cash and cash equivalents |
34,840,000
EUR
|
— | — | — | — | — | — | — | — |
26,679,000
EUR
|
— | — | — | — | — | — |
35,183,000
EUR
|