| | bzk-wnt-dim:NameOfSeniorOfficialTerminationOfEmploymentAxis | * | y | | concept | bzk-wnt-i:PositionOrPositions | x | | jenv-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | jenv-bw2-dim:FinancialStatementsTypeAxis | jenv-bw2-dm:ConsolidatedMember | x | | period | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | x |
| | bzk-wnt-dim:NameOfSeniorOfficialTerminationOfEmploymentAxis | * | y | | concept | bzk-dvi-i-2019:SupervisoryPostionUponTermination | x | | jenv-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | jenv-bw2-dim:FinancialStatementsTypeAxis | jenv-bw2-dm:ConsolidatedMember | x | | period | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | x |
| | bzk-wnt-dim:NameOfSeniorOfficialTerminationOfEmploymentAxis | * | y | | concept | bzk-wnt-i:ScopeOfTheEmploymentDuringTheFinancialYearInFTE | x | | jenv-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | jenv-bw2-dim:FinancialStatementsTypeAxis | jenv-bw2-dm:ConsolidatedMember | x | | period | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | x |
| | bzk-wnt-dim:NameOfSeniorOfficialTerminationOfEmploymentAxis | * | y | | concept | bzk-wnt-i:YearOfTerminationOfTheEmployment | x | | jenv-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | jenv-bw2-dim:FinancialStatementsTypeAxis | jenv-bw2-dm:ConsolidatedMember | x | | period | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | x |
| | bzk-wnt-dim:NameOfSeniorOfficialTerminationOfEmploymentAxis | * | y | | concept | bzk-wnt-i:AgreedPaymentsDueToTermination | x | | jenv-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | jenv-bw2-dim:FinancialStatementsTypeAxis | jenv-bw2-dm:ConsolidatedMember | x | | period | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | x |
| | bzk-wnt-dim:NameOfSeniorOfficialTerminationOfEmploymentAxis | * | y | | concept | bzk-wnt-i:IndividualMaximumPaymentDueToTerminationOfTheEmployment | x | | jenv-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | jenv-bw2-dim:FinancialStatementsTypeAxis | jenv-bw2-dm:ConsolidatedMember | x | | period | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | x |
| | bzk-wnt-dim:NameOfSeniorOfficialTerminationOfEmploymentAxis | * | y | | concept | bzk-wnt-i:PaymentsDueToTerminationOfTheEmploymentIncludingUnduePayments | x | | jenv-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | jenv-bw2-dim:FinancialStatementsTypeAxis | jenv-bw2-dm:ConsolidatedMember | x | | period | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | x |
| | bzk-wnt-dim:NameOfSeniorOfficialTerminationOfEmploymentAxis | * | y | | concept | bzk-wnt-i:PaymentsMadeInTheFinancialYearDueToTerminationOfTheEmployment | x | | jenv-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | jenv-bw2-dim:FinancialStatementsTypeAxis | jenv-bw2-dm:ConsolidatedMember | x | | period | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | x |
| | bzk-wnt-dim:NameOfSeniorOfficialTerminationOfEmploymentAxis | * | y | | concept | bzk-wnt-i:UnduePayments | x | | jenv-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | jenv-bw2-dim:FinancialStatementsTypeAxis | jenv-bw2-dm:ConsolidatedMember | x | | period | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | x |
| | bzk-wnt-dim:NameOfSeniorOfficialTerminationOfEmploymentAxis | * | y | | concept | bzk-wnt-i:ReasonsForExceedingMaximumAmountOfRemuneration | x | | jenv-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | jenv-bw2-dim:FinancialStatementsTypeAxis | jenv-bw2-dm:ConsolidatedMember | x | | period | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | x |
| | bzk-wnt-dim:NameOfSeniorOfficialTerminationOfEmploymentAxis | * | y | | concept | bzk-wnt-i:ReceivableUnduePaymentsDescription | x | | jenv-bw2-dim:BasisOfPreparationAxis | $BasisOfPreparationParam | x | | jenv-bw2-dim:FinancialStatementsTypeAxis | jenv-bw2-dm:ConsolidatedMember | x | | period | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | x |
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