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 |
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 |
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 change in equity of subsidiaries, equity | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
0
EUR
|
0
EUR
|
0
EUR
|
650,000
EUR
|
0
EUR
|
0
EUR
|
650,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
| Increase (decrease) through acquisition of subsidiary, equity |
4,000
EUR
|
0
EUR
|
105,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
109,000
EUR
|
0
EUR
|
105,000
EUR
|
0
EUR
|
0
EUR
|
575,000
EUR
|
575,000
EUR
|
846,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
271,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
| Increase (decrease) through appropriation of retained earnings, equity |
0
EUR
|
0
EUR
|
223,847,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
223,847,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
163,097,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
163,097,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
| Increase (decrease) through transactions with owners, equity |
151,268,000
EUR
|
25,505,000
EUR
|
21,880,000
EUR
|
68,798,000
EUR
|
0
EUR
|
25,505,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
249,352,000
EUR
|
0
EUR
|
7,406,000
EUR
|
0
EUR
|
158,674,000
EUR
|
43,904,000
EUR
|
0
EUR
|
122,782,000
EUR
|
18,759,000
EUR
|
1,703,000
EUR
|
0
EUR
|
650,000
EUR
|
21,698,000
EUR
|
184,795,000
EUR
|
121,079,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
21,698,000
EUR
|
| Purchase of treasury shares |
25,505,000
EUR
|
25,505,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
25,505,000
EUR
|
0
EUR
|
0
EUR
|
21,698,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
21,698,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
21,698,000
EUR
|