| r0.c0 | Expected rent increase independent rental properties DAEB/bzk-table_AssumptionsParametersCashFlowForecastExpectedRentIncreaseHousingDpiTable-x.1.1.1 | bzk-aw-wsw-i:ExpectedRentIncreaseIndependentRentalPropertiesPercentageDaeb | num:percentItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |
| r1.c0 | Expected rent increase independent rental properties non-DAEB/bzk-table_AssumptionsParametersCashFlowForecastExpectedRentIncreaseHousingDpiTable-x.1.1.1 | bzk-aw-wsw-i:ExpectedRentIncreaseIndependentRentalPropertiesPercentageNonDaeb | num:percentItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:ConsolidatedMember |