| r0.c0 | Teacher Primary School [member]/Current | ocw-ohu-dm:TeacherPrimarySchoolMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r0.c1 | Teacher Primary School [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:TeacherPrimarySchoolMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c0 | Teacher Seconday School [member]/Current | ocw-ohu-dm:TeacherSecondaySchoolMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r1.c1 | Teacher Seconday School [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:TeacherSecondaySchoolMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c0 | Teacher in training [member]/Current | ocw-ohu-dm:TeacherInTrainingMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r2.c1 | Teacher in training [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:TeacherInTrainingMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c0 | Other teaching staff [member]/Current | ocw-ohu-dm:OtherTeachingStaffMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r3.c1 | Other teaching staff [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:OtherTeachingStaffMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c0 | Teaching staff [title]/Current | ocw-ohu-abstr:TeachingStaffTitle | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r4.c1 | Teaching staff [title]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-abstr:TeachingStaffTitle | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c0 | Teaching assistant [member]/Current | ocw-ohu-dm:TeachingAssistantMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r5.c1 | Teaching assistant [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:TeachingAssistantMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c0 | Therapeutic and Care functions directly related to education [member]/Current | ocw-ohu-dm:TherapeuticAndCareFunctionsDirectlyRelatedToEducationMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r6.c1 | Therapeutic and Care functions directly related to education [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:TherapeuticAndCareFunctionsDirectlyRelatedToEducationMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c0 | Instructor [member]/Current | ocw-ohu-dm:InstructorMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r7.c1 | Instructor [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:InstructorMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c0 | Education coordinator [member]/Current | ocw-ohu-dm:EducationCoordinatorMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r8.c1 | Education coordinator [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:EducationCoordinatorMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c0 | Other direct education helping/supportive staff [member]/Current | ocw-ohu-dm:OtherDirectEducationSupportiveStaffMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r9.c1 | Other direct education helping/supportive staff [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:OtherDirectEducationSupportiveStaffMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c0 | Directly Education-helping Staff (D-OOP) [title]/Current | ocw-ohu-abstr:DirectEducationSupportiveStaffTitle | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r10.c1 | Directly Education-helping Staff (D-OOP) [title]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-abstr:DirectEducationSupportiveStaffTitle | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c0 | Primary process (OP + D-OOP) [member]/Current | ocw-ohu-dm:PrimaryProcessMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r11.c1 | Primary process (OP + D-OOP) [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:PrimaryProcessMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c0 | Total primary process (OP + D-OOP) [title]/Current | ocw-ohu-abstr:PrimaryProcessTotalTitle | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r12.c1 | Total primary process (OP + D-OOP) [title]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-abstr:PrimaryProcessTotalTitle | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c0 | Secretary [member]/Current | ocw-ohu-dm:SecretaryMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r13.c1 | Secretary [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:SecretaryMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c0 | Policymaking Staff [member]/Current | ocw-ohu-dm:PolicymakingStaffMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r14.c1 | Policymaking Staff [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:PolicymakingStaffMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c0 | Quality assurance [member]/Current | ocw-ohu-dm:QualityAssuranceMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r15.c1 | Quality assurance [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:QualityAssuranceMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r16.c0 | Marketing, PR, Communication [member]/Current | ocw-ohu-dm:MarketingPRCommunicationMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r16.c1 | Marketing, PR, Communication [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:MarketingPRCommunicationMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r17.c0 | Legal Affairs [member]/Current | ocw-ohu-dm:LegalAffairsMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r17.c1 | Legal Affairs [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:LegalAffairsMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r18.c0 | Human resource Management [member]/Current | ocw-ohu-dm:HumanResourceManagementMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r18.c1 | Human resource Management [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:HumanResourceManagementMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r19.c0 | Finance and Control [member]/Current | ocw-ohu-dm:FinanceAndControlMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r19.c1 | Finance and Control [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:FinanceAndControlMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r20.c0 | ICT [member]/Current | ocw-ohu-dm:ICTMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r20.c1 | ICT [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:ICTMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r21.c0 | Facility Services [member]/Current | ocw-ohu-dm:FacilityServicesMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r21.c1 | Facility Services [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:FacilityServicesMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r22.c0 | Housing [member]/Current | ocw-ohu-dm:HousingMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r22.c1 | Housing [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:HousingMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r23.c0 | Purchasing [member]/Current | ocw-ohu-dm:PurchasingMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r23.c1 | Purchasing [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:PurchasingMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r24.c0 | Other indirect supportive staff [member]/Current | ocw-ohu-dm:OtherIndirectSupportiveStaffMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r24.c1 | Other indirect supportive staff [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:OtherIndirectSupportiveStaffMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r25.c0 | Indirect Education-helping Staff (I-OOP) [title]/Current | ocw-ohu-abstr:IndirectEducationHelpingStaffTitle | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r25.c1 | Indirect Education-helping Staff (I-OOP) [title]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-abstr:IndirectEducationHelpingStaffTitle | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r26.c0 | Board member [member]/Current | ocw-ohu-dm:BoardMemberMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r26.c1 | Board member [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:BoardMemberMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r27.c0 | Director, School Principal [member]/Current | ocw-ohu-dm:DirectorSchoolPrincipalMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r27.c1 | Director, School Principal [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:DirectorSchoolPrincipalMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r28.c0 | Deputy Director [member]/Current | ocw-ohu-dm:DeputyDirectorMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r28.c1 | Deputy Director [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:DeputyDirectorMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r29.c0 | Other board and management functions [member]/Current | ocw-ohu-dm:OtherBoardAndManagementFunctionsMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r29.c1 | Other board and management functions [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:OtherBoardAndManagementFunctionsMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r30.c0 | Board, management board, management (BDM) [title]/Current | ocw-ohu-abstr:BoardManagementTitle | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r30.c1 | Board, management board, management (BDM) [title]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-abstr:BoardManagementTitle | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r31.c0 | Overhead (I-OOP + BDM) [member]/Current | ocw-ohu-dm:OverheadMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r31.c1 | Overhead (I-OOP + BDM) [member]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-dm:OverheadMember | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r32.c0 | Total overhead (I-OOP + BDM) [title]/Current | ocw-ohu-abstr:OverheadTotalTitle | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r32.c1 | Total overhead (I-OOP + BDM) [title]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-abstr:OverheadTotalTitle | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r33.c0 | Overhead, classes [title]/Current | ocw-ohu-abstr:OverheadClassesTitle | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r33.c1 | Overhead, classes [title]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-abstr:OverheadClassesTitle | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r34.c0 | Personel on payroll in FTE/Current | ocw-ohu-i:PersonelOnPayrollInFTE | nl-types:nonNegativeDecimal20ItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r34.c1 | Personel on payroll in FTE/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-i:PersonelOnPayrollInFTE | nl-types:nonNegativeDecimal20ItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r35.c0 | Personel on payroll in EUR/Current | ocw-ohu-i:PersonelOnPayrollAmount | nl-types:monetaryNoDecimals20ItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r35.c1 | Personel on payroll in EUR/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-i:PersonelOnPayrollAmount | nl-types:monetaryNoDecimals20ItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r36.c0 | Personel On Payroll [title]/Current | ocw-ohu-abstr:PersonelOnPayrollTitle | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r36.c1 | Personel On Payroll [title]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-abstr:PersonelOnPayrollTitle | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r37.c0 | Hiring/Current | ocw-ohu-i:Hiring | nl-types:monetaryNoDecimals20ItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r37.c1 | Hiring/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-i:Hiring | nl-types:monetaryNoDecimals20ItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r38.c0 | Outsourcing/Current | ocw-ohu-i:Outsourcing | nl-types:monetaryNoDecimals20ItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r38.c1 | Outsourcing/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-i:Outsourcing | nl-types:monetaryNoDecimals20ItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r39.c0 | Overhead, line items [title]/Current | ocw-ohu-abstr:OverheadLineItemsTitle | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |
| r39.c1 | Overhead, line items [title]/ocw-ohu-table_OverheadSurvey-x.1.1 | ocw-ohu-abstr:OverheadLineItemsTitle | xbrli:stringItemType | duration | xs:date('2020-01-01')/xs:date('2020-12-31') |