| legalFormKSt | true | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| legalFormPG | true | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| kindOfFinancialInstitutionPfandbriefbanken | true | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| kindOfFinancialInstitutionSparkassen | true | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| kindOfFinancialInstitutionGirozentralen | true | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| kindOfFinancialInstitutionPfandBG | true | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| kindOfFinancialInstitutionSkontrofuehrer | true | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| kindOfFinancialInstitutionBauspar | true | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| kindOfFinancialInstitutionKreditgenossenschWarengeschaeft | true | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| kindOfFinancialInstitutionFinanzdienstl | true | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| kindOfFinancialInstitutiongenossZentrB | true | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| kindOfFinancialInstitutionPfandbriefbankenOERA | true | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| kindOfFinancialInstitutionUniversalinstitute | true | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| kindOfFinancialInstitutionKapitalanlagegesellschaften | true | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| fiscalRequirement | Rechnerisch notwendig, soweit vorhanden | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |