Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
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 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||
| Dividends recognised as distributions to non-controlling interests |
583,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
583,000
EUR
|
0
EUR
|
455,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
455,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
| Increase (decrease) through exercise of options, equity |
0
EUR
|
0
EUR
|
636,000
EUR
|
0
EUR
|
636,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
636,000
EUR
|
636,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
| Purchase of treasury shares |
0
EUR
|
2,576,000
EUR
|
2,576,000
EUR
|
0
EUR
|
2,576,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
2,576,000
EUR
|
0
EUR
|
1,142,000
EUR
|
1,142,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
1,142,000
EUR
|
1,142,000
EUR
|
| Sale or issue of treasury shares |
0
EUR
|
87,000
EUR
|
87,000
EUR
|
0
EUR
|
87,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
87,000
EUR
|
0
EUR
|
163,000
EUR
|
163,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
163,000
EUR
|
163,000
EUR
|