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 |
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] | |||||||
| Increase (decrease) through appropriation of retained earnings, equity |
11,987,000
EUR
|
—
EUR
|
11,987,000
EUR
|
5,625,000
EUR
|
5,625,000
EUR
|
—
EUR
|
— |
| Purchase of treasury shares | — |
—
EUR
|
— | — | — |
1,015,000
EUR
|
1,015,000
EUR
|