| r0.c0 | Sales of teaching material, specification total/Income from sales of teaching material | ocw-i:IncomeSalesTeachingMaterial | nl-types:monetaryNoDecimalsItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | ocw-dm:OtherIncomeSpecificationComponentMember | * | N/A |
| r0.c1 | Sales of teaching material, specification total/Income from sales of teaching material | ocw-i:IncomeSalesTeachingMaterial | nl-types:monetaryNoDecimalsItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | ocw-dm:OtherIncomeSpecificationComponentMember | * | N/A |
| r0.c2 | Sales of teaching material, specification total/Current | | | | N/A | N/A | N/A | * | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r0.c3 | Sales of teaching material, specification total/Previous | | | | N/A | N/A | N/A | * | xs:date('2017-01-01')/xs:date('2017-12-31') |
| r1.c0 | ocw-table_NotesOtherIncomeSalesTeachingMaterialSpecification-y/Income from sales of teaching material | ocw-i:IncomeSalesTeachingMaterial | nl-types:monetaryNoDecimalsItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | ocw-dm:OtherIncomeSpecificationComponentMember | * | N/A |
| r1.c1 | ocw-table_NotesOtherIncomeSalesTeachingMaterialSpecification-y/Income from sales of teaching material | ocw-i:IncomeSalesTeachingMaterial | nl-types:monetaryNoDecimalsItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | ocw-dm:OtherIncomeSpecificationComponentMember | * | N/A |
| r1.c2 | ocw-table_NotesOtherIncomeSalesTeachingMaterialSpecification-y/Current | | | | N/A | N/A | N/A | * | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r1.c3 | ocw-table_NotesOtherIncomeSalesTeachingMaterialSpecification-y/Previous | | | | N/A | N/A | N/A | * | xs:date('2017-01-01')/xs:date('2017-12-31') |