Statement Of Changes In Equity [Abstract]
| Concept |
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 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||
| Increase (decrease) through appropriation of retained earnings, equity |
36,270,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
36,270,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
33,609,000
EUR
|
33,609,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
| Increase (decrease) through exercise of options, equity |
3,280,000
EUR
|
4,000
EUR
|
12,357,000
EUR
|
1,980,000
EUR
|
11,053,000
EUR
|
0
EUR
|
— | — | — | — | — | — | — | — |
| Increase (decrease) through conversion of convertible instruments, equity |
0
EUR
|
58,000
EUR
|
129,004,000
EUR
|
7,384,000
EUR
|
136,331,000
EUR
|
0
EUR
|
0
EUR
|
— | — | — | — | — | — | — |
| Issue of convertible instruments | — | — | — | — | — | — | — |
0
EUR
|
2,941,000
EUR
|
0
EUR
|
0
EUR
|
2,941,000
EUR
|
0
EUR
|
0
EUR
|