| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 12129 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | The core mission of the Foundation is to assist and facilitate educational organizations, foundations, partnerships and commercial entities to collaborate to foster, develop and sustain open technologies for innovation. |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 0 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 0 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | false |
| IRS990/BenefitsToMembersGrp/TotalAmt | 0 | 0 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | Michael Winkler |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 2676886361 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 4521 Osage Avenue |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Philadelphia |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | PA |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 19143 |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOfficerEntInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 369036 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 499616 |
| IRS990/ChangeToOrgDocumentsInd | 0 | false |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 0 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 0 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | true |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 0 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | false |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 119955 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | Box 773855 3855 Solutions Center |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | Chicago |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | IL |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 60671 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | HTC Global Services Inc |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | Software Development, Maintenance |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 0 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 0 |
| IRS990/CYOtherExpensesAmt | 0 | 296496 |
| IRS990/CYOtherRevenueAmt | 0 | 0 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 802812 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -82049 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 588365 |
| IRS990/CYTotalExpensesAmt | 0 | 884861 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 0 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 802812 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | true |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 212500 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 0 |
| IRS990/Desc | 0 | Collaborative Infrastructure--The Foundation performs several services to support collaboration between institutions, library organizations, and library-technology vendors. These include web conferencing services, shared document storage, electronic mailing lists, user experience design software, and discussion boards. All of these services are in significant use of Foundation communities. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | false |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/ElectionOfBoardMembersInd | 0 | true |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 5928 |
| IRS990/FamilyOrBusinessRlnInd | 0 | false |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 0 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignGrantsGrp/TotalAmt | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 002.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 002.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 004.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 002.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 002.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 002.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 020.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 004.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 004.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Kristin Antelman |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Sam Brooks |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | David Carlson |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Tom Cramer |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Deborah Jakubs |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Ross McIntyre |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Ginny Boyer |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | Christopher Spalding |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | Michael Winkler |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Board President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Managing Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Secretary |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | Treasurer |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | false |
| IRS990/FormationYr | 0 | 2016 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | false |
| IRS990/FSAuditedInd | 0 | false |
| IRS990/FundraisingActivitiesInd | 0 | false |
| IRS990/GamingActivitiesInd | 0 | false |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 6 |
| IRS990/GrantsToDomesticIndividualsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | false |
| IRS990/GrantsToOrganizationsInd | 0 | false |
| IRS990/GrantToRelatedPersonInd | 0 | false |
| IRS990/GrossReceiptsAmt | 0 | 802812 |
| IRS990/GroupReturnForAffiliatesInd | 0 | false |
| IRS990/IncludeFIN48FootnoteInd | 0 | false |
| IRS990/IndependentAuditFinclStmtInd | 0 | false |
| IRS990/IndependentVotingMemberCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 46115 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 46115 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 0 |
| IRS990/InterestGrp/TotalAmt | 0 | 0 |
| IRS990/InvestmentInJointVentureInd | 0 | true |
| IRS990/IRPDocumentCnt | 0 | 0 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | DE |
| IRS990/LoanOutstandingInd | 0 | false |
| IRS990/LobbyingActivitiesInd | 0 | false |
| IRS990/LocalChaptersInd | 0 | false |
| IRS990/MaterialDiversionOrMisuseInd | 0 | false |
| IRS990/MembersOrStockholdersInd | 0 | true |
| IRS990/MethodOfAccountingCashInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | true |
| IRS990/MinutesOfGoverningBodyInd | 0 | true |
| IRS990/MissionDesc | 0 | The core mission of the Foundation is to assist and facilitate educational organizations, foundations, partnerships and commercial entities to collaborate to foster, develop and sustain open technologies for innovation so as to support libraries, learning, research and teaching. The Foundation helps research, academic and public libraries. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | false |
| IRS990/MoreThan5000KToOrgInd | 0 | false |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 376987 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 274987 |
| IRS990/NoListedPersonsCompensatedInd | 0 | X |
| IRS990/NondeductibleContributionsInd | 0 | false |
| IRS990/OccupancyGrp/TotalAmt | 0 | 0 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 43528 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 43528 |
| IRS990/OfficerMailingAddressInd | 0 | false |
| IRS990/OperateHospitalInd | 0 | false |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 7951 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | -19951 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/Desc | 0 | Contractual services |
| IRS990/OtherExpensesGrp/Desc | 1 | Miscellaneous |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 131709 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 100 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 131709 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 100 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 588365 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 588365 |
| IRS990/OwnWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | false |
| IRS990/PaymentsToAffiliatesGrp/TotalAmt | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 0 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 0 |
| IRS990/PermanentlyRstrNetAssetsGrp/EOYAmt | 0 | -215160 |
| IRS990/PoliticalCampaignActyInd | 0 | false |
| IRS990/PrincipalOfficerNm | 0 | Michael Winkler |
| IRS990/ProfessionalFundraisingInd | 0 | false |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 111000 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | Program Service Revenue |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 802812 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 802812 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | Administrative Infrastructure Community Formation- The Foundation provides a legal, non-for-profit corporation structure to provide administrative functions to the Foundations component software development projects. This includes legal advising on licensing and intellectual property rights, banking accounting functions, web presence outreach, and meeting event support. The Foundation also has successfully onboarded additional communities during the year to expand the reach and impact of the Foundation efforts. Expenses are mainly contributed efforts by Foundation volunteers to educate potential communities to the value of the Foundation, and to negotiate terms for joining the Foundation. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 12830 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | Software Development Infrastructure- The Foundation provides a sophisticated software development environment for our constituent project communities that include code repositories, software testing environments, support for specialist consulting, infrastructure for servers, network identity, software license compliance tools and structures, and other affordances to improve collaborative software development activites. |
| IRS990/ProgSrvcAccomActy3Grp/ExpenseAmt | 0 | 643383 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990/PYExcessBenefitTransInd | 0 | false |
| IRS990/PymtTravelEntrtnmntPubOfclGrp/TotalAmt | 0 | 0 |
| IRS990/PYOtherExpensesAmt | 0 | 236491 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 795690 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 376987 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 182212 |
| IRS990/PYTotalExpensesAmt | 0 | 418703 |
| IRS990/PYTotalRevenueAmt | 0 | 795690 |
| IRS990/QuidProQuoContributionsInd | 0 | false |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -82049 |
| IRS990/RegularMonitoringEnfrcInd | 0 | true |
| IRS990/RelatedEntityInd | 0 | false |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990/ReportInvestmentsOtherSecInd | 0 | false |
| IRS990/ReportLandBuildingEquipmentInd | 0 | false |
| IRS990/ReportOtherAssetsInd | 0 | false |
| IRS990/ReportOtherLiabilitiesInd | 0 | false |
| IRS990/ReportProgramRelatedInvstInd | 0 | false |
| IRS990/RoyaltiesGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/First5Years509Ind | 0 | X |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 802812 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 795690 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 1598502 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.00000 |
| IRS990ScheduleA/NetIncomeFromOtherUBIGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/OtherIncome509Grp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/Post1975UBTIGrp/TotalAmt | 0 | 0 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.00000 |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.00000 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 1598502 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 802812 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 795690 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 1598502 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 802812 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 795690 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 1598502 |
| IRS990/ScheduleBRequiredInd | 0 | false |
| IRS990/ScheduleJRequiredInd | 0 | false |
| IRS990/ScheduleORequiredInd | 0 | true |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | Program Service Expenses 222,720, Grants and allocations 0, Revenue 0 Software Development Staffing Support- The Foundation creates an infrastructure for community investment in open source software development. The OLE Community, a community of the Foundation, is a membership community for libraries and library organizations. The OLE Community raises capital, both financial and human, to invest in OLE projects. The cash commitments of OLE Partners are managed by the Foundation for the benefit of the OLE Partners. The cash from OLE Partners pays for contributed staff 4.5 FTE and other related software development costs. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | Adjustments |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Form 990, Part III, Line 4d |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Form 990, Part XI, Section XI, Line 9 |
| IRS990/SchoolOperatingInd | 0 | false |
| IRS990/SignificantChangeInd | 0 | false |
| IRS990/SignificantNewProgramSrvcInd | 0 | false |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | false |
| IRS990/SubjectToProxyTaxInd | 0 | false |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | false |
| IRS990/TaxablePartyNotificationInd | 0 | false |
| IRS990/TaxExemptBondsInd | 0 | false |
| IRS990/TemporarilyRstrNetAssetsGrp/BOYAmt | 0 | 376987 |
| IRS990/TemporarilyRstrNetAssetsGrp/EOYAmt | 0 | 490201 |
| IRS990/TempOrPermanentEndowmentsInd | 0 | false |
| IRS990/TerminateOperationsInd | 0 | false |
| IRS990/TotalAssetsBOYAmt | 0 | 376987 |
| IRS990/TotalAssetsEOYAmt | 0 | 499616 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 376987 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 499616 |
| IRS990/TotalCompGreaterThan150KInd | 0 | false |
| IRS990/TotalEmployeeCnt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 884861 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 884861 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 224629 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 0 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 224629 |
| IRS990/TotalNetAssetsFundBalanceGrp/BOYAmt | 0 | 376987 |
| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 274987 |
| IRS990/TotalOtherProgSrvcExpenseAmt | 0 | 222720 |
| IRS990/TotalProgramServiceExpensesAmt | 0 | 884861 |
| IRS990/TotalProgramServiceRevenueAmt | 0 | 802812 |
| IRS990/TotalRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 802812 |
| IRS990/TotalRevenueGrp/TotalRevenueColumnAmt | 0 | 802812 |
| IRS990/TotalVolunteersCnt | 0 | 150 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/BOYAmt | 0 | 376987 |
| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 499616 |
| IRS990/TravelGrp/ProgramServicesAmt | 0 | 75044 |
| IRS990/TravelGrp/TotalAmt | 0 | 75044 |
| IRS990/TrnsfrExmptNonChrtblRltdOrgInd | 0 | false |
| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | false |
| IRS990/UnrestrictedNetAssetsGrp/EOYAmt | 0 | -54 |
| IRS990/UponRequestInd | 0 | X |
| IRS990/USAddress/AddressLine1Txt | 0 | 4521 Osage Avenue |
| IRS990/USAddress/CityNm | 0 | Philadelphia |
| IRS990/USAddress/StateAbbreviationCd | 0 | PA |
| IRS990/USAddress/ZIPCd | 0 | 19143 |
| IRS990/VotingMembersGoverningBodyCnt | 0 | 6 |
| IRS990/VotingMembersIndependentCnt | 0 | 0 |
| IRS990/WhistleblowerPolicyInd | 0 | false |
| IRS990/WrittenPolicyOrProcedureInd | 0 | false |
| ReturnHeader/BuildTS | 0 | 2019-02-21 02:37:17Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | Miichael Winkler |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | Treasurer |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2019-06-25 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | Open Library Foundation Inc |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | OPEN |
| ReturnHeader/Filer/EIN | 0 | 814396672 |
| ReturnHeader/Filer/PhoneNum | 0 | 2152538502 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 701 Cathedral Road Suite 45-253 |
| ReturnHeader/Filer/USAddress/CityNm | 0 | Philadelphia |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | PA |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 191282111 |
| ReturnHeader/FilingSecurityInformation/AtSubmissionCreationDeviceId | 0 | 5B391D45109AC0032546843EAD74E9FE83ED4572 |
| ReturnHeader/FilingSecurityInformation/AtSubmissionFilingDeviceId | 0 | 5B391D45109AC0032546843EAD74E9FE83ED4572 |
| ReturnHeader/FilingSecurityInformation/FilingLicenseTypeCd | 0 | P |
| ReturnHeader/FilingSecurityInformation/IPAddress/IPv4AddressTxt | 0 | 70.112.76.11 |
| ReturnHeader/FilingSecurityInformation/IPDt | 0 | 2019-10-08 |
| ReturnHeader/FilingSecurityInformation/IPTimezoneCd | 0 | CD |
| ReturnHeader/FilingSecurityInformation/IPTm | 0 | 17:42:00 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | Daniel Gill CPA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 1815 Piedmont Avenue |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | Austin |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | TX |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 78757 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 5125608974 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2019-06-25 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | Daniel Gill |
| ReturnHeader/PreparerPersonGrp/SelfEmployedInd | 0 | X |
| ReturnHeader/ReturnTs | 0 | 2019-10-08T03:01:02-00:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2018-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2018-12-31 |
| ReturnHeader/TaxYr | 0 | 2018 |