| Name | LegalReservesMember |
|---|---|
| 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 |
|---|---|---|---|
| Gesetzliche Rücklagen [Mitglied] | de | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Legal reserves [member] | en | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Réserves légales [membre] | fr | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Wettelijke reserves [member] | nl | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Gesetzliche Rücklagen | de | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Legal reserves | en | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Réserves légales | fr | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Wettelijke reserves | nl | http://www.xbrl.org/2003/role/terseLabel | http://www.xbrl.org/2003/role/link |
| Sonstige gesetzliche Rücklagen | de | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Other legal reserves, distinguished by their nature [member] | en | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Autres réserves légales | fr | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Andere wettelijke reserves, onderscheiden naar hun aard [member] | nl | http://www.xbrl.org/2003/role/verboseLabel | http://www.xbrl.org/2003/role/link |
| Name | Value | Role |
|---|---|---|
| Article | 373 | 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 |
| Article | 378 | 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 | 240 | 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 | 229 | http://www.xbrl.org/2003/role/reference |
| Chapter | 240 | 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 | 237 | http://www.xbrl.org/2003/role/reference |
| Chapter | 660 | 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 | 303 | http://www.xbrl.org/2003/role/reference |
| Chapter | D3.2 | 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 | 303 | http://www.xbrl.org/2003/role/reference |
| Name | Relation Type | Role | |
|---|---|---|---|
venj-bw2-i:LegalReserves | ConceptMemberEquivalence | http://www.xbrl.org/2008/role/link | |
venj-bw2-dm:EquityMember | domain-member | urn:kvk:linkrole:classes-of-equity-housing |