Statement Of Changes In Equity [Abstract]
| Concept |
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 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
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 |
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 |
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 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 |
526,405,000
EUR
|
5,572,000
EUR
|
— | — |
33,897,000
EUR
|
— |
33,897,000
EUR
|
711,874,000
EUR
|
6,862,000
EUR
|
220,657,000
EUR
|
— | — |
455,343,000
EUR
|
— |
36,824,000
EUR
|
220,657,000
EUR
|
— | — |
711,874,000
EUR
|
6,102,000
EUR
|
5,153,000
EUR
|
— |
36,824,000
EUR
|
— |
84,480,000
EUR
|
5,291,000
EUR
|
698,027,000
EUR
|
84,480,000
EUR
|
392,259,000
EUR
|
4,670,000
EUR
|
220,668,000
EUR
|
| Changes in equity [abstract] | |||||||||||||||||||||||||||||||
| Comprehensive income [abstract] | |||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — |
71,472,000
EUR
|
— | — | — | — | — | — |
71,472,000
EUR
|
71,472,000
EUR
|
— |
62,934,000
EUR
|
— | — |
62,934,000
EUR
|
— | — | — | — | — | — |
62,934,000
EUR
|
— | — | — | — | — | — | — |
| Comprehensive income | — | — |
419,000
EUR
|
71,481,000
EUR
|
— | — | — | — | — | — |
71,481,000
EUR
|
71,062,000
EUR
|
— |
62,945,000
EUR
|
— | — |
63,084,000
EUR
|
— | — | — | — |
139,000
EUR
|
— |
62,945,000
EUR
|
— | — | — | — | — | — | — |
| Increase (decrease) through share-based payment transactions, equity | — | — | — |
760,000
EUR
|
— |
760,000
EUR
|
— | — | — | — |
760,000
EUR
|
— | — |
1,432,000
EUR
|
— | — | — |
1,432,000
EUR
|
— | — | — | — | — |
1,432,000
EUR
|
— | — | — | — | — | — | — |