Statement Of Changes In Equity [Abstract]
| Concept |
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 |
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 |
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 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 |
As at 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 |
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 |
As at 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Statement of changes in equity [line items] | |||||||||||||||||||||||||||||||||||
| Equity | — |
1,775,000
EUR
|
— |
12,142,000
EUR
|
— |
228,000
EUR
|
— |
11,713,000
EUR
|
430,000
EUR
|
— |
518,000
EUR
|
14,235,000
EUR
|
— | — |
2,380,000
EUR
|
— |
453,000
EUR
|
14,420,000
EUR
|
14,235,000
EUR
|
— |
3,014,000
EUR
|
— |
448,000
EUR
|
14,872,000
EUR
|
— | — | — | — |
15,949,000
EUR
|
708,000
EUR
|
113,000
EUR
|
16,657,000
EUR
|
1,783,000
EUR
|
3,385,000
EUR
|
14,235,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||||||
| Profit (loss) |
7,000
EUR
|
— |
1,775,000
EUR
|
— |
0
EUR
|
— |
0
EUR
|
— | — |
0
EUR
|
— | — |
1,783,000
EUR
|
1,775,000
EUR
|
— |
2,432,000
EUR
|
— | — | — |
2,380,000
EUR
|
— |
0
EUR
|
— | — |
0
EUR
|
0
EUR
|
52,000
EUR
|
2,380,000
EUR
|
— | — | — | — | — | — | — |
| Other comprehensive income |
15,000
EUR
|
— |
932,000
EUR
|
— |
861,000
EUR
|
— |
70,000
EUR
|
— | — |
0
EUR
|
— | — |
947,000
EUR
|
0
EUR
|
— |
648,000
EUR
|
— | — | — |
0
EUR
|
— |
1,330,000
EUR
|
— | — |
0
EUR
|
561,000
EUR
|
122,000
EUR
|
769,000
EUR
|
— | — | — | — | — | — | — |
| Increase (decrease) through other changes, equity |
0
EUR
|
— |
0
EUR
|
— |
0
EUR
|
— |
0
EUR
|
— | — |
0
EUR
|
— | — |
0
EUR
|
0
EUR
|
— |
0
EUR
|
— | — | — |
0
EUR
|
— |
82,000
EUR
|
— | — |
0
EUR
|
0
EUR
|
82,000
EUR
|
82,000
EUR
|
— | — | — | — | — | — | — |