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 |
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 |
|---|---|---|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | |||||||||
| Profit (loss) |
195,000
EUR
|
195,000
EUR
|
199,000
EUR
|
394,000
EUR
|
241,000
EUR
|
9 452
EUR
|
9 210
EUR
|
9 458
EUR
|
9 210
EUR
|
| Other comprehensive income [abstract] | |||||||||
| Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract] | |||||||||
| Other comprehensive income, before tax, gains (losses) on remeasurements of defined benefit plans | — | — | — |
258,000
EUR
|
— |
259,000
EUR
|
— |
259,000
EUR
|
— |
| Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract] | |||||||||
| Exchange differences on translation [abstract] | |||||||||
| Other comprehensive income, before tax, exchange differences on translation of foreign operations | — | — | — |
714,000
EUR
|
— |
795,000
EUR
|
— |
795,000
EUR
|
— |
| Cash flow hedges [abstract] | |||||||||
| Other comprehensive income, before tax, cash flow hedges | — | — | — |
0
EUR
|
— |
0
EUR
|
— |
0
EUR
|
— |
| Income tax relating to components of other comprehensive income that will not be reclassified to profit or loss [abstract] | |||||||||
| Income tax relating to remeasurements of defined benefit plans included in other comprehensive income | — | — | — |
68,000
EUR
|
— |
75,000
EUR
|
— |
75,000
EUR
|
— |
| Income tax relating to components of other comprehensive income that will be reclassified to profit or loss [abstract] | |||||||||
| Income tax relating to cash flow hedges included in other comprehensive income | — | — | — |
0
EUR
|
— |
0
EUR
|
— |
0
EUR
|
— |
| Other comprehensive income | — | — | — |
75,000
EUR
|
— |
2 000
EUR
|
— |
2 000
EUR
|
— |
| Comprehensive income | — | — | — |
469,000
EUR
|
— |
7 452
EUR
|
— |
7 458
EUR
|
— |
| Comprehensive income attributable to [abstract] | |||||||||
| Comprehensive income, attributable to owners of parent | — | — | — |
468,000
EUR
|
— |
7,447,000
EUR
|
— |
7,452,000
EUR
|
— |
| Comprehensive income, attributable to non-controlling interests | — | — | — |
1,000
EUR
|
— |
5,000
EUR
|
— |
5,000
EUR
|
— |