Statement Of Changes In Equity [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 |
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 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of changes in equity [abstract] | ||||||||||||||||
| Statement of changes in equity [line items] | ||||||||||||||||
| Increase (decrease) through transfer to statutory reserve, equity |
0
EUR
|
0
EUR
|
0
EUR
|
126,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
126,000
EUR
|
70,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
70,000
EUR
|
| Increase (decrease) through exercise of options, equity |
0
EUR
|
0
EUR
|
271,000
EUR
|
36,000
EUR
|
0
EUR
|
290,000
EUR
|
290,000
EUR
|
17,000
EUR
|
39,000
EUR
|
0
EUR
|
452,000
EUR
|
0
EUR
|
0
EUR
|
452,000
EUR
|
413,000
EUR
|
0
EUR
|
| Increase (decrease) through transactions with owners, equity |
0
EUR
|
0
EUR
|
175,000
EUR
|
162,000
EUR
|
0
EUR
|
3 184
EUR
|
3 184
EUR
|
3 171
EUR
|
31,000
EUR
|
600,000
EUR
|
452,000
EUR
|
0
EUR
|
0
EUR
|
452,000
EUR
|
187,000
EUR
|
70,000
EUR
|
| Purchase of treasury shares |
0
EUR
|
0
EUR
|
446,000
EUR
|
0
EUR
|
0
EUR
|
446,000
EUR
|
446,000
EUR
|
0
EUR
|
0
EUR
|
0
EUR
|
600,000
EUR
|
0
EUR
|
0
EUR
|
600,000
EUR
|
600,000
EUR
|
0
EUR
|