Statement Of Changes In Equity [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||
| Equity | — |
47,973,000
EUR
|
43,973,000
EUR
|
— |
47,973,000
EUR
|
— |
4,000,000
EUR
|
— | — |
35,511,000
EUR
|
4,000,000
EUR
|
31,511,000
EUR
|
— | — |
35,511,000
EUR
|
— |
35,491,000
EUR
|
35,491,000
EUR
|
31,491,000
EUR
|
4,000,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — |
13,511,000
EUR
|
2,784,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
13,527,000
EUR
|
— | — |
13,527,000
EUR
|
— |
-
EUR
|
— |
13,527,000
EUR
|
2,735,000
EUR
|
— | — | — |
2,735,000
EUR
|
-
EUR
|
— |
2,735,000
EUR
|
— | — | — | — |