| Name | ReceivablesOtherRelatedPartiesCurrentMember |
|---|---|
| Namespace | http://www.nltaxonomie.nl/nt12/venj/20171004.b/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 |
|---|---|---|---|
| Forderungen gegenüber anderen bezogenen Parteien (kurzfristig) [Mitglied] | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Current receivables from other relates parties [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Créances à recevoir d'autres parties liées (courantes) [membre] | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Kortlopende vorderingen op overige verbonden maatschappijen [member] | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Forderungen gegenüber anderen bezogenen Parteien | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Receivables from other relates parties | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Créances à recevoir d'autres parties liées | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Vorderingen op overige verbonden maatschappijen | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Chapter | 214 | 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 | 603 | http://www.xbrl.org/2003/role/reference |
| Chapter | 222 | 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 | 302 | http://www.xbrl.org/2003/role/reference |
| Chapter | 222 | 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 | 313 | http://www.xbrl.org/2003/role/reference |
| Name | Relation Type | Role | |
|---|---|---|---|
venj-bw2-i:ReceivablesOtherRelatedPartiesCurrent | ConceptMemberEquivalence | http://www.xbrl.org/2008/role/link |