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 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 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of financial position [abstract] | ||||||||||||||||
| Assets [abstract] | ||||||||||||||||
| Property, plant and equipment |
50,528,000
EUR
|
— | — | — |
86,455,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Right-of-use assets |
114,960,000
EUR
|
— | — | — |
134,994,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Intangible assets other than goodwill |
0
EUR
|
— | — | — |
53,790,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Deferred tax assets |
2,017,000
EUR
|
— | — | — |
13,525,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Cash and cash equivalents |
1,069,234,000
EUR
|
— | — | — |
1,129,103,000
EUR
|
— | — | — |
960,221,000
EUR
|
— | — | — | — |
1,081,060,000
EUR
|
— | — |
| Assets |
1,539,806,000
EUR
|
— | — | — |
2,067,629,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities [abstract] | ||||||||||||||||
| Equity [abstract] | ||||||||||||||||
| Issued capital |
51,702,000
EUR
|
— | — | — |
43,634,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity |
815,911,000
EUR
|
51,702,000
EUR
|
14,617,000
EUR
|
749,592,000
EUR
|
927,803,000
EUR
|
870,014,000
EUR
|
14,155,000
EUR
|
43,634,000
EUR
|
1,229,311,000
EUR
|
39,800,000
EUR
|
8,977,000
EUR
|
1,180,534,000
EUR
|
1,206,618,000
EUR
|
1,242,673,000
EUR
|
0
EUR
|
36,055,000
EUR
|
| Liabilities [abstract] | ||||||||||||||||
| Liabilities |
723,895,000
EUR
|
— | — | — |
1,139,826,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Equity and liabilities |
1,539,806,000
EUR
|
— | — | — |
2,067,629,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |