| Name | TradePayablesMember |
|---|---|
| Namespace | http://www.nltaxonomie.nl/nt12/venj/20171213/dictionary/venj-bw2-domains |
| Prefix | venj-bw2-dm |
| Data type | xbrli:stringItemType |
| Period type | duration |
| Substitution Group | sbr:domainMemberItem |
| Balance | None |
| Nillable | False |
| Abstract | True |
| Text | Lang | Role | Container role |
|---|---|---|---|
| Verbindlichkeiten aus Lieferungen und Leistungen [Mitglied] | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Trade payables [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Créances commerciales [membre] | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Schulden aan leveranciers en handelskredieten [member] | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Verbindlichkeiten aus Lieferungen und Leistungen | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Trade payables | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Créances commerciales | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Schulden aan leveranciers en handelskredieten | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Article | 375 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2017-01-01 | http://www.xbrl.org/2003/role/reference |
| Name | Burgerlijk wetboek boek 2 | http://www.xbrl.org/2003/role/reference |
| Paragraph | 1 | http://www.xbrl.org/2003/role/reference |
| Subparagraph | d | http://www.xbrl.org/2003/role/reference |
| Chapter | 254 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2017-01-01 | http://www.xbrl.org/2003/role/reference |
| Name | Richtlijnen voor de jaarverslaggeving | http://www.xbrl.org/2003/role/reference |
| Paragraph | 401 | http://www.xbrl.org/2003/role/reference |
| Name | Relation Type | Role | |
|---|---|---|---|
venj-bw2-i:TradePayables | ConceptMemberEquivalence | http://www.xbrl.org/2008/role/link | |
rj-abstr:AnnualReportingGuidelines254Title | parent-child | urn:rj:linkrole:annual-reporting-guidelines-254 |