| Name | HGB | http://www.xbrl.org/2003/role/reference |
| Paragraph | 247 | http://www.xbrl.org/2003/role/reference |
| Subparagraph | 1 u. 2 | http://www.xbrl.org/2003/role/reference |
| Name | HGB | http://www.xbrl.org/2003/role/reference |
| Paragraph | 266 | http://www.xbrl.org/2003/role/reference |
| Subparagraph | 2 A. | http://www.xbrl.org/2003/role/reference |
| Name | EStR | http://www.xbrl.org/2003/role/reference |
| Paragraph | 6.1 | http://www.xbrl.org/2003/role/reference |
| Subparagraph | 1 | http://www.xbrl.org/2003/role/reference |
| legalFormEU | true | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| legalFormKSt | true | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| legalFormPG | true | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| typeOperatingResult | neutral | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| fiscalRequirement | Summenmussfeld | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |