| Name | nt.additionalNotes.parentPreparingExemptingStatement |
|---|---|
| Namespace | http://www.xbrl.de/taxonomies/de-gaap-ci-2020-04-01 |
| Prefix | de-gaap-ci |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | xbrli:item |
| Balance | None |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Angabe Name und Sitz des Mutterunternehmens, das einen befreienden Konzernabschluss und Konzernlagebericht aufstellt | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Disclosure of the name and domicile of the parent preparing exempting consolidated financial statements and group management report | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Name | HGB a.F. | http://www.xbrl.org/2003/role/reference |
| Paragraph | 291 | http://www.xbrl.org/2003/role/reference |
| Subparagraph | 2 | http://www.xbrl.org/2003/role/reference |
| Number | 3a | http://www.xbrl.org/2003/role/reference |
| Name | HGB | http://www.xbrl.org/2003/role/reference |
| Paragraph | 291 | http://www.xbrl.org/2003/role/reference |
| Subparagraph | 2 | http://www.xbrl.org/2003/role/reference |
| Number | 4a | http://www.xbrl.org/2003/role/reference |
| Name | Relation Type | Role | |
|---|---|---|---|
de-gaap-ci:nt.additionalNotes | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/notes |