| Name | eqCh.group_beginning |
|---|---|
| Namespace | http://www.xbrl.de/taxonomies/de-gaap-ci-2021-04-14 |
| Prefix | de-gaap-ci |
| Data type | xbrli:monetaryItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | credit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Stand zum Anfang der Periode | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Beginning balance | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Name | DRS 7 | http://www.xbrl.org/2003/role/reference |
| Paragraph | 19 | http://www.xbrl.org/2003/role/reference |
| Name | Relation Type | Role | |
|---|---|---|---|
de-gaap-ci:eqCh.group_all | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/changesEquityStatement | |
de-gaap-ci:eqCh.group_all | summation-item | http://www.xbrl.de/taxonomies/de-gaap-ci/role/changesEquityStatement | |
de-gaap-ci:eqCh.group_all | domain-member | http://www.xbrl.de/taxonomies/de-gaap-ci/role/changesEquityStatementTable |