| Name | IntangibleAssetsMember |
|---|---|
| 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 |
|---|---|---|---|
| Immaterielle Vermögensgegenstände [Mitglied] | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Intangible assets [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Actifs incorporels [membre] | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Immateriële vaste activa [member] | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Immaterielle Vermögensgegenstände | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Intangible assets | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Actifs incorporels | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Immateriële vaste activa | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Gesamtbetrag der immateriellen Vermögensgegenstände | de | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Total of intangible assets | en | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Total des actifs incorporels | fr | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Totaal van immateriële vaste activa | nl | http://www.xbrl.org/2003/role/totalLabel | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Article | 364 | 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 | 2 | http://www.xbrl.org/2003/role/reference |
| Article | 365 | 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 |
| Article | 368 | 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 |
| Chapter | 210 | 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 | 501 | http://www.xbrl.org/2003/role/reference |
| Chapter | B1 | http://www.xbrl.org/2003/role/reference |
| IssueDate | 2017-01-01 | http://www.xbrl.org/2003/role/reference |
| Name | Richtlijnen voor de jaarverslaggeving voor kleine rechtspersonen | http://www.xbrl.org/2003/role/reference |
| Paragraph | 101 | http://www.xbrl.org/2003/role/reference |
| Name | Relation Type | Role | |
|---|---|---|---|
venj-bw2-i:IntangibleAssets | ConceptMemberEquivalence | http://www.xbrl.org/2008/role/link | |
rj-abstr:AnnualReportingGuidelines210Title | parent-child | urn:rj:linkrole:annual-reporting-guidelines-210 |