Statement Of Changes In Equity [Abstract]
| Concept |
2020-01-01 to 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 |
As at 2020-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2019-12-31 |
2019-01-01 to 2019-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
As at 2018-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||||||
| Equity | — |
6,627,000
EUR
|
5,408,000
EUR
|
— |
3,931,000
EUR
|
— | — |
2,712,000
EUR
|
— |
4,045,000
EUR
|
— |
3,203,000
EUR
|
6,250,000
EUR
|
— |
5,408,000
EUR
|
— |
1,107,000
EUR
|
67,000
EUR
|
4,079,000
EUR
|
5,119,000
EUR
|
| Changes in equity [abstract] | ||||||||||||||||||||
| Comprehensive income [abstract] | ||||||||||||||||||||
| Profit (loss) |
377,000
EUR
|
— | — |
377,000
EUR
|
— |
0
EUR
|
0
EUR
|
— |
0
EUR
|
— |
5,909,000
EUR
|
— | — |
5,909,000
EUR
|
— |
0
EUR
|
— | — | — | — |
| Comprehensive income |
377,000
EUR
|
— | — |
377,000
EUR
|
— |
0
EUR
|
0
EUR
|
— |
0
EUR
|
— |
5,909,000
EUR
|
— | — |
5,909,000
EUR
|
— |
0
EUR
|
— | — | — | — |
| Issue of equity | — | — | — | — | — | — | — | — |
0
EUR
|
— |
0
EUR
|
— | — |
5,000,000
EUR
|
— |
5,000,000
EUR
|
— | — | — | — |
| Increase (decrease) through other changes, equity | — | — | — | — | — | — | — | — |
4,045,000
EUR
|
— |
0
EUR
|
— | — |
4,045,000
EUR
|
— |
0
EUR
|
— | — | — | — |