| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | concept | bzk-aw-wsw-i:NumberOfRentalHousingUnits | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:ConsolidatedMember | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | concept | bzk-aw-wsw-i:NumberOfRentalHousingUnitsCheap | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:ConsolidatedMember | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | concept | bzk-aw-wsw-i:NumberOfRentalHousingUnitsAffordable | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:ConsolidatedMember | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | concept | bzk-aw-wsw-i:NumberOfRentalHousingUnitsExpensiveUntilRentAllowanceLimit | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:ConsolidatedMember | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | concept | bzk-aw-wsw-i:NumberOfRentalHousingUnitsExpensiveFromRentAllowanceLimit | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:ConsolidatedMember | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | concept | bzk-aw-wsw-i:NumberOfNonHousingUnits | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:ConsolidatedMember | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | concept | bzk-aw-wsw-i:NumberOfIntramuralHealthcareRealEstate | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:ConsolidatedMember | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | concept | bzk-aw-wsw-i:NumberOfNonHousingUnitsSocialRealEstate | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:ConsolidatedMember | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | concept | bzk-aw-wsw-i:NumberOfNonHousingUnitsBusinessPremisesShops | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:ConsolidatedMember | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | concept | bzk-aw-wsw-i:NumberOfNonHousingUnitsParkingFacilities | x | | venj-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:ConsolidatedMember | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | period | $FinancialReportingPeriodCurrentEndDateParam | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | period | $FinancialReportingPeriodFirstPeriodEndDateParam | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | period | $FinancialReportingPeriodSecondPeriodEndDateParam | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | period | $FinancialReportingPeriodThirdPeriodEndDateParam | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | period | $FinancialReportingPeriodFourthPeriodEndDateParam | x |
| | bzk-aw-wsw-dim:MunicipalityAxis | * | y | | period | $FinancialReportingPeriodFifthPeriodEndDateParam | x |
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