| r0.c0 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y.1.1/Rights granted not yet exercised | venj-bw2-i:RightsGrantedNotYetExercised | xbrli:nonNegativeIntegerItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember | * |
| r0.c1 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y.1.1/Number of rights granted during the financial year | venj-bw2-i:RightsGrantedDuringFinancialYear | xbrli:nonNegativeIntegerItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember | * |
| r0.c2 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y.1.1/Number of granted rights that were exercised during the financial year | venj-bw2-i:RightsGrantedExercisedDuringFinancialYear | xbrli:nonNegativeIntegerItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember | * |
| r0.c3 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y.1.1/Rights granted not yet exercised | venj-bw2-i:RightsGrantedNotYetExercised | xbrli:nonNegativeIntegerItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember | * |
| r0.c4 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y.1.1/Price of underlying shares of rights granted | venj-bw2-i:RightsGrantedPriceUnderlyingShares | nl-types:monetary20ItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember | * |
| r0.c5 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y.1.1/Maturity of the granted rights not yet exercised (in months) | venj-bw2-i:RightsGrantedMaturityOfNotYetExercisedRights | xbrli:nonNegativeIntegerItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember | * |
| r0.c6 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y.1.1/Exercise price of rights granted | venj-bw2-i:RightsGrantedExercisePrice | nl-types:monetary20ItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember | * |
| r0.c7 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y.1.1/Presentation order | nl-cd:PresentationOrder | nl-types:nonNegativeDecimalItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | venj-bw2-dm:SeparateMember | * |
| r1.c0 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y.1/Rights granted not yet exercised | venj-bw2-i:RightsGrantedNotYetExercised | xbrli:nonNegativeIntegerItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | $BasisOfPreparationParam | N/A | * |
| r1.c1 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y.1/Number of rights granted during the financial year | venj-bw2-i:RightsGrantedDuringFinancialYear | xbrli:nonNegativeIntegerItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | N/A | * |
| r1.c2 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y.1/Number of granted rights that were exercised during the financial year | venj-bw2-i:RightsGrantedExercisedDuringFinancialYear | xbrli:nonNegativeIntegerItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | N/A | * |
| r1.c3 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y.1/Rights granted not yet exercised | venj-bw2-i:RightsGrantedNotYetExercised | xbrli:nonNegativeIntegerItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | N/A | * |
| r1.c4 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y.1/Price of underlying shares of rights granted | venj-bw2-i:RightsGrantedPriceUnderlyingShares | nl-types:monetary20ItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | N/A | * |
| r1.c5 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y.1/Maturity of the granted rights not yet exercised (in months) | venj-bw2-i:RightsGrantedMaturityOfNotYetExercisedRights | xbrli:nonNegativeIntegerItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | N/A | * |
| r1.c6 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y.1/Exercise price of rights granted | venj-bw2-i:RightsGrantedExercisePrice | nl-types:monetary20ItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | N/A | * |
| r1.c7 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y.1/Presentation order | nl-cd:PresentationOrder | nl-types:nonNegativeDecimalItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | $BasisOfPreparationParam | N/A | * |
| r2.c0 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y/Rights granted not yet exercised | venj-bw2-i:RightsGrantedNotYetExercised | xbrli:nonNegativeIntegerItemType | instant | $FinancialReportingPeriodPreviousEndDateParam | N/A | N/A | * |
| r2.c1 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y/Number of rights granted during the financial year | venj-bw2-i:RightsGrantedDuringFinancialYear | xbrli:nonNegativeIntegerItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | N/A | N/A | * |
| r2.c2 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y/Number of granted rights that were exercised during the financial year | venj-bw2-i:RightsGrantedExercisedDuringFinancialYear | xbrli:nonNegativeIntegerItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | N/A | N/A | * |
| r2.c3 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y/Rights granted not yet exercised | venj-bw2-i:RightsGrantedNotYetExercised | xbrli:nonNegativeIntegerItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | N/A | N/A | * |
| r2.c4 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y/Price of underlying shares of rights granted | venj-bw2-i:RightsGrantedPriceUnderlyingShares | nl-types:monetary20ItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | N/A | N/A | * |
| r2.c5 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y/Maturity of the granted rights not yet exercised (in months) | venj-bw2-i:RightsGrantedMaturityOfNotYetExercisedRights | xbrli:nonNegativeIntegerItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | N/A | N/A | * |
| r2.c6 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y/Exercise price of rights granted | venj-bw2-i:RightsGrantedExercisePrice | nl-types:monetary20ItemType | instant | $FinancialReportingPeriodCurrentEndDateParam | N/A | N/A | * |
| r2.c7 | kvk-table_NotesRightsGrantedNotYetExercisedMovementBySupervisoryDirectorSpecification-y/Presentation order | nl-cd:PresentationOrder | nl-types:nonNegativeDecimalItemType | duration | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam | N/A | N/A | * |