Statement Of Changes In Equity [Abstract]
| Concept |
As at 2021-12-31 |
As at 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 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 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 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 |
22 754
EUR
|
13 815
EUR
|
72 839
EUR
|
— | — | — |
727,000
EUR
|
— |
489,000
EUR
|
80 562
EUR
|
— |
6 334
EUR
|
— |
23 324
EUR
|
702,000
EUR
|
49 901
EUR
|
126,000
EUR
|
78 731
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — |
22 754
EUR
|
— | — |
22 754
EUR
|
— |
23 324
EUR
|
— | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — | — | — | — | — |
363,000
EUR
|
— |
1 382
EUR
|
— | — | — | — | — |
| Comprehensive income | — | — | — |
363,000
EUR
|
— | — | — |
22 754
EUR
|
— | — |
22 390
EUR
|
— |
21 942
EUR
|
— | — | — | — | — |
| Increase (decrease) through other changes, equity | — | — | — | — |
0
EUR
|
— | — | — | — | — |
0
EUR
|
— | — | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity | — | — | — | — |
44,000
EUR
|
84,000
EUR
|
— | — | — | — |
40,000
EUR
|
— | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — | — |
197,000
EUR
|
— | — | — | — | — |
197,000
EUR
|
— | — | — | — | — | — | — |
| Increase (decrease) in equity | — | — | — | — | — | — | — | — | — | — |
1 042
EUR
|
— |
0
EUR
|
— | — | — | — | — |