Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
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 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-12-31 |
2020-01-01 to 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 |
As at 2019-12-31 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||||||||||||
| Equity | — | — |
35 425
EUR
|
— |
34 927
EUR
|
— |
35 113
EUR
|
312,000
EUR
|
— |
814,000
EUR
|
1 000
EUR
|
— | — |
255,000
EUR
|
31 752
EUR
|
1 000
EUR
|
1 546
EUR
|
— |
32 007
EUR
|
— | — | — |
32 298
EUR
|
— |
29 253
EUR
|
193,000
EUR
|
1 030
EUR
|
29 446
EUR
|
1 000
EUR
|
29 283
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||||||||||||
| Profit (loss) |
87,000
EUR
|
2 517
EUR
|
— |
-
EUR
|
— |
2 517
EUR
|
— | — |
-
EUR
|
— | — |
2 603
EUR
|
3 109
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Other comprehensive income | — | — | — | — | — | — | — | — | — | — | — |
699,000
EUR
|
488,000
EUR
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Comprehensive income |
87,000
EUR
|
3 216
EUR
|
— |
732,000
EUR
|
— |
2 484
EUR
|
— | — |
-
EUR
|
— | — |
3 302
EUR
|
2 620
EUR
|
— | — | — | — |
0
EUR
|
— |
516,000
EUR
|
82,000
EUR
|
3 053
EUR
|
— |
2 537
EUR
|
— | — | — | — | — | — |
| Dividends recognised as distributions to owners |
30,000
EUR
|
-
EUR
|
— |
-
EUR
|
— |
-
EUR
|
— | — |
-
EUR
|
— | — |
30,000
EUR
|
20,000
EUR
|
— | — | — | — |
-
EUR
|
— |
-
EUR
|
20,000
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
-
EUR
|
21,000
EUR
|
— |
-
EUR
|
— |
21,000
EUR
|
— | — |
-
EUR
|
— | — |
21,000
EUR
|
-
EUR
|
— | — | — | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
-
EUR
|
— |
-
EUR
|
— | — | — | — | — | — |
| Increase (decrease) through treasury share transactions, equity |
-
EUR
|
13,000
EUR
|
— |
-
EUR
|
— |
13,000
EUR
|
— | — |
-
EUR
|
— | — |
13,000
EUR
|
33,000
EUR
|
— | — | — | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
33,000
EUR
|
— |
33,000
EUR
|
— | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity |
-
EUR
|
111,000
EUR
|
— |
-
EUR
|
— |
111,000
EUR
|
— | — |
-
EUR
|
— | — |
111,000
EUR
|
5,000
EUR
|
— | — | — | — |
-
EUR
|
— |
-
EUR
|
-
EUR
|
5,000
EUR
|
— |
5,000
EUR
|
— | — | — | — | — | — |