| r0.c0 | Remuneration of managing directors and former managing directors/Current | venj-bw2-i:RemunerationManagingDirectorsFormerManagingDirectors | nl-types:monetaryNoDecimalsItemType | duration | ifrs-smes:ConsolidatedMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r0.c1 | Remuneration of managing directors and former managing directors/Previous | venj-bw2-i:RemunerationManagingDirectorsFormerManagingDirectors | nl-types:monetaryNoDecimalsItemType | duration | ifrs-smes:ConsolidatedMember | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam |
| r1.c0 | Remuneration of supervisory directors and former supervisory directors/Current | venj-bw2-i:RemunerationSupervisoryDirectorsFormerSupervisoryDirectors | nl-types:monetaryNoDecimalsItemType | duration | ifrs-smes:ConsolidatedMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r1.c1 | Remuneration of supervisory directors and former supervisory directors/Previous | venj-bw2-i:RemunerationSupervisoryDirectorsFormerSupervisoryDirectors | nl-types:monetaryNoDecimalsItemType | duration | ifrs-smes:ConsolidatedMember | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam |
| r2.c0 | Remuneration of managing and supervisory directors/Current | rj-i:RemunerationManagingSupervisoryDirectors | nl-types:monetaryNoDecimalsItemType | duration | ifrs-smes:ConsolidatedMember | $FinancialReportingPeriodCurrentStartDateParam/$FinancialReportingPeriodCurrentEndDateParam |
| r2.c1 | Remuneration of managing and supervisory directors/Previous | rj-i:RemunerationManagingSupervisoryDirectors | nl-types:monetaryNoDecimalsItemType | duration | ifrs-smes:ConsolidatedMember | $FinancialReportingPeriodPreviousStartDateParam/$FinancialReportingPeriodPreviousEndDateParam |