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 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
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 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||
| Profit (loss) | — |
32,351,000
EUR
|
32,351,000
EUR
|
32,351,000
EUR
|
— |
92,724,000
EUR
|
92,724,000
EUR
|
— |
92,724,000
EUR
|
92,724,000
EUR
|
— |
| Adjustments to reconcile profit (loss) [abstract] | |||||||||||
| Adjustments for income tax expense | — | — |
16,001,000
EUR
|
— | — |
1,457,000
EUR
|
— | — | — | — | — |
| Adjustments for depreciation and amortisation expense | — | — |
8,833,000
EUR
|
— | — |
7,452,000
EUR
|
— | — | — | — | — |
| Adjustments for share-based payments | — | — |
26,784,000
EUR
|
— | — |
-
EUR
|
— | — | — | — | — |
| Adjustments for fair value losses (gains) | — | — |
5,427,000
EUR
|
— | — |
2,447,000
EUR
|
— | — | — | — | — |
| Other adjustments for non-cash items | — | — |
460,000
EUR
|
— | — |
6,000
EUR
|
— | — | — | — | — |
| Cash flows from (used in) operating activities | — | — |
72,030,000
EUR
|
— | — |
77,821,000
EUR
|
— | — | — | — | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||
| Proceeds from sales of property, plant and equipment, classified as investing activities | — | — |
12,000
EUR
|
— | — |
-
EUR
|
— | — | — | — | — |
| Purchase of property, plant and equipment, classified as investing activities | — | — |
5,206,000
EUR
|
— | — |
85,000
EUR
|
— | — | — | — | — |
| Cash flows from (used in) investing activities | — | — |
12,718,000
EUR
|
— | — |
16,841,000
EUR
|
— | — | — | — | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||
| Proceeds from issuing shares | — | — |
404,872,000
EUR
|
— | — |
32,000
EUR
|
— | — | — | — | — |
| Payments to acquire or redeem entity's shares | — | — |
-
EUR
|
— | — |
32,000
EUR
|
— | — | — | — | — |
| Proceeds from borrowings, classified as financing activities | — | — |
542,000
EUR
|
— | — |
26,864,000
EUR
|
— | — | — | — | — |
| Repayments of borrowings, classified as financing activities | — | — |
27,288,000
EUR
|
— | — |
-
EUR
|
— | — | — | — | — |
| Payments of lease liabilities, classified as financing activities | — | — |
1,513,000
EUR
|
— | — |
1,800,000
EUR
|
— | — | — | — | — |
| Dividends paid, classified as financing activities | — | — |
54,830,000
EUR
|
— | — |
86,700,000
EUR
|
— | — | — | — | — |
| Interest paid, classified as financing activities | — | — |
2,651,000
EUR
|
— | — |
510,000
EUR
|
— | — | — | — | — |
| Cash flows from (used in) financing activities | — | — |
319,132,000
EUR
|
— | — |
62,145,000
EUR
|
— | — | — | — | — |
| Effect of exchange rate changes on cash and cash equivalents [abstract] | |||||||||||
| Effect of exchange rate changes on cash and cash equivalents | — | — |
98,000
EUR
|
— | — |
424,000
EUR
|
— | — | — | — | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — | — |
378,444,000
EUR
|
— | — |
1,165,000
EUR
|
— | — | — | — | — |
| Cash and cash equivalents |
392,558,000
EUR
|
— | — | — |
14,016,000
EUR
|
— | — |
14,016,000
EUR
|
— | — |
15,605,000
EUR
|