| Name | bs.eqLiab.equity.reallocationSurplus |
|---|---|
| Namespace | http://www.xbrl.de/taxonomies/de-gaap-ci-2020-04-01 |
| Prefix | de-gaap-ci |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | credit |
| Nillable | True |
| Abstract | False |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Umschichtungsergebnisse | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Eigenkapital, Umschichtungsergebnisse | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Position für Stiftungen | de | http://www.xbrl.org/2003/role/documentation | http://www.xbrl.org/2003/role/link |
| Reallocation surplus | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Equity; reallocation surplus | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Name | IDW ERS HFA 5 | http://www.xbrl.org/2003/role/reference |
| legalFormKSt | true | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| typeOperatingResult | neutral | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| fiscalRequirement | Rechnerisch notwendig, soweit vorhanden | http://www.xbrl.org/2003/role/mandatoryDisclosureRef |
| Name | Relation Type | Role | |
|---|---|---|---|
de-gaap-ci:bs.eqLiab.equity | domain-member | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCasesTableBalanceSheetForProfitOrganisationsAndUtilities | |
de-gaap-ci:bs.eqLiab.equity | domain-member | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCasesTableBalanceSheetForProfitOrganisationsAndUtilities | |
de-gaap-ci:bs.eqLiab.equity | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCases | |
de-gaap-ci:bs.eqLiab.equity | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/balanceSheet | |
de-gaap-ci:bs.eqLiab.equity | summation-item | http://www.xbrl.de/taxonomies/de-gaap-ci/role/balanceSheet |