| | concept | ocw-i:InterestPayable | x | | ocw-dim:ActualsEstimatesAxis | ocw-dm:ActualsMember | x | | ocw-dim:LiabilitiesCurrentSpecificationComponentAxis | ocw-dm:LiabilitiesCurrentSpecificationComponentMember | x | | ocw-dim:LiabilitiesCurrentSpecificationItemAxis | * | y | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:SeparateMember | x |
| | concept | ocw-i:InterestPayable | x | | ocw-dim:ActualsEstimatesAxis | ocw-dm:ActualsMember | x | | ocw-dim:LiabilitiesCurrentSpecificationComponentAxis | ocw-dm:LiabilitiesCurrentSpecificationComponentMember | x | | ocw-dim:LiabilitiesCurrentSpecificationItemAxis | * | y | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:SeparateMember | x |
| | ocw-dim:LiabilitiesCurrentSpecificationItemAxis | * | y | | period | xs:date('2017-12-31') | x |
| | ocw-dim:LiabilitiesCurrentSpecificationItemAxis | * | y | | period | xs:date('2016-12-31') | x |
|
| | concept | ocw-i:InterestPayable | x | | ocw-dim:ActualsEstimatesAxis | ocw-dm:ActualsMember | x | | ocw-dim:LiabilitiesCurrentSpecificationComponentAxis | ocw-dm:LiabilitiesCurrentSpecificationComponentMember | x | | ocw-dim:LiabilitiesCurrentSpecificationItemAxis | * | y | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:SeparateMember | x |
| | concept | ocw-i:InterestPayable | x | | ocw-dim:ActualsEstimatesAxis | ocw-dm:ActualsMember | x | | ocw-dim:LiabilitiesCurrentSpecificationComponentAxis | ocw-dm:LiabilitiesCurrentSpecificationComponentMember | x | | ocw-dim:LiabilitiesCurrentSpecificationItemAxis | * | y | | venj-bw2-dim:FinancialStatementsTypeAxis | venj-bw2-dm:SeparateMember | x |
| | ocw-dim:LiabilitiesCurrentSpecificationItemAxis | * | y | | period | xs:date('2017-12-31') | x |
| | ocw-dim:LiabilitiesCurrentSpecificationItemAxis | * | y | | period | xs:date('2016-12-31') | x |
|