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 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||
| Dividends recognised as distributions to owners of parent | — | — |
967,000
EUR
|
— | — | — | — |
967,000
EUR
|
967,000
EUR
|
967,000
EUR
|
— |
20,382,000
EUR
|
— |
20,382,000
EUR
|
20,382,000
EUR
|
— | — | — | — | — |
20,382,000
EUR
|
— |
| Increase (decrease) through appropriation of retained earnings, equity |
276,000
EUR
|
— |
4,549,000
EUR
|
276,000
EUR
|
— |
4,273,000
EUR
|
4,273,000
EUR
|
-
EUR
|
-
EUR
|
4,549,000
EUR
|
532,000
EUR
|
-
EUR
|
— |
2,561,000
EUR
|
-
EUR
|
3,093,000
EUR
|
— |
532,000
EUR
|
— | — |
2,561,000
EUR
|
3,093,000
EUR
|
| Increase (decrease) through transactions with owners, equity |
276,000
EUR
|
187,000
EUR
|
5,516,000
EUR
|
276,000
EUR
|
187,000
EUR
|
448,000
EUR
|
448,000
EUR
|
11,984,000
EUR
|
11,984,000
EUR
|
5,516,000
EUR
|
532,000
EUR
|
20,569,000
EUR
|
187,000
EUR
|
17,821,000
EUR
|
20,569,000
EUR
|
3,093,000
EUR
|
187,000
EUR
|
532,000
EUR
|
7,379,000
EUR
|
7,379,000
EUR
|
17,821,000
EUR
|
3,093,000
EUR
|
| Purchase of treasury shares | — |
11,017,000
EUR
|
— | — |
11,017,000
EUR
|
— | — |
11,017,000
EUR
|
11,017,000
EUR
|
— | — |
187,000
EUR
|
187,000
EUR
|
— |
187,000
EUR
|
— |
187,000
EUR
|
— | — | — | — | — |
| Reduction of issued capital | — |
11,204,000
EUR
|
— | — |
11,204,000
EUR
|
— | — | — | — | — | — | — | — | — | — |
3,825,000
EUR
|
— | — |
7,379,000
EUR
|
7,379,000
EUR
|
— |
3,825,000
EUR
|