| r0.c0 | Balance sheet value of funds invested/Current | bzk-ti-i:InvestedMonies | nl-types:monetaryNoDecimals20ItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r0.c1 | Balance sheet value of funds invested/Previous | bzk-ti-i:InvestedMonies | nl-types:monetaryNoDecimals20ItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r1.c0 | Number of investments to be specified/Current | bzk-ti-i:NumberOfInvestments | xbrli:integerItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |
| r1.c1 | Number of investments to be specified/Previous | bzk-ti-i:NumberOfInvestments | xbrli:integerItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember |