| r0.c0 | Disclosure of other income/Current | ocw-i:OtherIncomeDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r1.c0 | Disclosure of tuition and exam fees/Current | ocw-i:IncomeTuitionAndExamFeesDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r2.c0 | Disclosure of tuition fees sector VO/Current | ocw-i:IncomeTuitionFeesVODisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r3.c0 | Disclosure of tuition fees sector MBO/Current | ocw-i:IncomeTuitionFeesMBODisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r4.c0 | Disclosure of tuition legal fees [title]/Current | ocw-abstr:IncomeCoursesTuitionLegalFeesDisclosureTitle | xbrli:stringItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r5.c0 | Disclosure of income from third party contracts/Current | ocw-i:IncomeThirdPartyContractsDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r6.c0 | Disclosure of income from contract courses/Current | ocw-i:IncomeContractCoursesDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r7.c0 | Disclosure of income from contract courses for assimilation/Current | ocw-i:IncomeContractCoursesAssimilationDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r8.c0 | Disclosure of income from contract courses excluding assimilation/Current | ocw-i:IncomeContractCoursesExcludingAssimilationDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r9.c0 | Disclosure of contract courses [title]/Current | ocw-abstr:IncomeContractCoursesDisclosureTitle | xbrli:stringItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r10.c0 | Disclosure of income from other third party contracts/Current | ocw-i:IncomeThirdPartyContractsOtherDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r11.c0 | Disclosure of income from third party contracts [title]/Current | ocw-abstr:IncomeThirdPartyContractsDisclosureTitle | xbrli:stringItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r12.c0 | Disclosure of other operating income/Current | jenv-bw2-i:OperatingIncomeOtherDisclosure | nl-types:formattedExplanationItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r13.c0 | Disclosure of income from renting facilities/Current | ocw-i:IncomeRentingFacilitiesDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r14.c0 | Disclosure of income from secondment of personnel/Current | ocw-i:IncomeSecondmentPersonnelDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r15.c0 | Disclosure of donations/Current | ocw-i:IncomeDonationsDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r16.c0 | Disclosure of sponsoring/Current | ocw-i:IncomeSponsoringDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r17.c0 | Disclosure of parental contributions/Current | ocw-i:IncomeParentalContributionsDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r18.c0 | Disclosure of participant contributions/Current | ocw-i:IncomeParticipantContributionsDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r19.c0 | Disclosure of student contributions/Current | ocw-i:IncomeStudentContributionsDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r20.c0 | Disclosure of income from sales of teaching material/Current | ocw-i:IncomeSalesTeachingMaterialDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r21.c0 | Disclosure of income from catering/Current | ocw-i:IncomeCateringDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r22.c0 | Disclosure of other income, other/Current | ocw-i:OtherIncomeOtherDisclosure | nl-types:string100000ItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |
| r23.c0 | Other income/Current | kvk-abstr:IncomeOtherDisclosureTitle | xbrli:stringItemType | duration | jenv-bw2-dm:SeparateMember | ocw-dm:ActualsMember | xs:date('2018-01-01')/xs:date('2018-12-31') |