Statement Of Comprehensive Income [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
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 |
2020-01-01 to 2020-12-31 |
2019-01-01 to 2019-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | |||||||||||
| Profit (loss) |
1,000
EUR
|
— |
52 899
EUR
|
52 899
EUR
|
52 900
EUR
|
36 184
EUR
|
4,000
EUR
|
36 180
EUR
|
— |
36 180
EUR
|
32 378
EUR
|
| Other comprehensive income [abstract] | |||||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, net of tax [abstract] | |||||||||||
| Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans | — |
222,000
EUR
|
— |
222,000
EUR
|
222,000
EUR
|
172,000
EUR
|
— |
172,000
EUR
|
172,000
EUR
|
— |
260,000
EUR
|
| Components of other comprehensive income that will be reclassified to profit or loss, net of tax [abstract] | |||||||||||
| Exchange differences on translation [abstract] | |||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations | — |
3,000
EUR
|
— |
3,000
EUR
|
3,000
EUR
|
2,000
EUR
|
— |
2,000
EUR
|
2,000
EUR
|
— | — |
| Financial assets measured at fair value through other comprehensive income [abstract] | |||||||||||
| Other comprehensive income, net of tax, financial assets measured at fair value through other comprehensive income | — |
493,000
EUR
|
— |
493,000
EUR
|
493,000
EUR
|
538,000
EUR
|
— |
538,000
EUR
|
538,000
EUR
|
— |
32,000
EUR
|
| Comprehensive income | — | — | — | — |
53 457
EUR
|
35 474
EUR
|
— | — | — | — |
32 150
EUR
|
| Comprehensive income attributable to [abstract] | |||||||||||
| Comprehensive income, attributable to owners of parent | — | — | — | — |
53 456
EUR
|
35 470
EUR
|
— | — | — | — |
32 145
EUR
|
| Comprehensive income, attributable to non-controlling interests | — | — | — | — |
1,000
EUR
|
4,000
EUR
|
— | — | — | — |
5,000
EUR
|