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| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 7780 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | TO PROTECT, PROMOTE, AND ADVANCE THE DEVELOPMENT OF THE KOTLIN PROGRAMMING LANGUAGE. |
| IRS990/AllOtherContributionsAmt | 0 | 150000 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | SHENA SEPPANEN |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 8567930904 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1120 ROUTE 73 SUITE 200 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | MOUNT LAUREL |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NJ |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 08054 |
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| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 31860 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 41677 |
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| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 0 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
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| IRS990/ConservationEasementsInd | 0 | 0 |
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| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 43018 |
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| IRS990/CYTotalRevenueAmt | 0 | 206250 |
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| IRS990/Desc | 0 | DURING 2023, KOTLIN FOUNDATION LAUNCHED A MEMBERSHIP PROGRAM OFFERING GOLD AND SILVER MEMBERSHIP TIERS. KOTLIN ALSO HOSTED A MULTIPLATFORM CODING CONTEST OFFERING TRAVEL FUNDING TO THREE RECIPIENTS TO ATTEND THE 2023 KOTLINCONF MEETING. THE ORGANIZATION ALSO CONTINUED TO MONITOR THE KOTLIN LANGUAGE DEVELOPMENT AND PROMOTE THE USE OF THE KOTLIN LANGUAGE. |
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| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
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| IRS990/ElectionOfBoardMembersInd | 0 | 1 |
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| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
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| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 52012 |
| IRS990/FeesForServicesManagementGrp/TotalAmt | 0 | 21850 |
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| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 2.00 |
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| 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/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
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| 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 |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
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| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | JEFFREY VAN GOGH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | JAMES WARD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | EGOR TOLSTOY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | GRACE KLOBA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | HADI HARIRI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | HILARY RICHARDSON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | JAN CICHY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | JEFF NAMNUM |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | JOHN PAMPUCH |
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| 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/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
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| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
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| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | PRESIDENT & DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | SECRETARY & DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TREASURER & DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | DIRECTOR |
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| IRS990/FormationYr | 0 | 2018 |
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| IRS990/IRPDocumentW2GCnt | 0 | 0 |
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| IRS990/MissionDesc | 0 | TO PROTECT, PROMOTE, AND ADVANCE THE DEVELOPMENT OF THE KOTLIN PROGRAMMING LANGUAGE. |
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| IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/GrantTypeTxt | 0 | ENHANCEMENT OF THE KOTLIN ECOSYSTEM |
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| IRS990ScheduleI/SupplementalInformationDetail/ExplanationTxt | 0 | BEFORE AWARDING THE GRANT, THE ORGANIZATION ESTABLISHES A WRITTEN AGREEMENT WITH THE GRANTEE. THIS DOCUMENT OUTLINES CLEAR EXPECTATIONS, GOALS, PERMITTED USES OF FUNDS, AND REPORTING REQUIREMENTS. FUNDS ARE OFTEN DISBURSED IN INSTALLMENTS RATHER THAN IN A SINGLE PAYMENT, WITH EACH INSTALLMENT CONTINGENT ON THE GRANTEE DEMONSTRATING COMPLETION OF THE MILESTONES SET FORTH IN THE GRANT AGREEMENT. THE GRANTEE IS REQUIRED TO SUBMIT NOTICE TO THE FOUNDATION OF ITS COMPLETION OF EACH MILESTONE IN ACCORDANCE WITH THE REPORTING REQUIREMENTS IN THE GRANT AGREEMENT. |
| IRS990ScheduleI/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART I, LINE 2: |
| IRS990/ScheduleJRequiredInd | 0 | 0 |
| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE ORGANIZATION HAS THREE CLASSES OF MEMBERS; FOUNDING MEMBERS, GOLD MEMBERS, AND SILVER MEMBERS. MEMBERS APPOINT THE MAJORITY OF THE DIRECTORS OF THE BOARD. UPON THE ORGANIZATION'S DISSOLUTION, THE REMAINING ASSETS MAY BE DISTRIBUTED TO THE MEMBERS AND IF NOT DISTRIBUTED TO THE MEMBERS SHALL BE DISTRIBUTED BY THE DIRECTORS OF THE CORPORATION (THE "BOARD OF DIRECTORS"), FOR A PURPOSE OR PURPOSES SIMILAR TO THOSE SET FORTH IN SECTION 3.2 OF THE CERTIFICATE OF INCORPORATION, TO ANY OTHER ORGANIZATION THAT THEN QUALIFIES FOR EXEMPTION UNDER THE PROVISIONS OF CODE SECTION 501(C)(6). |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | EACH FOUNDING MEMBER MAY APPOINT TWO DIRECTORS CHOSEN FROM AMONG SUCH FOUNDING MEMBER'S EMPLOYEES OR AGENTS, EACH GOLD MEMBER MAY APPOINT ONE DIRECTOR FROM AMONG SUCH GOLD MEMBER'S EMPLOYEES OR AGENTS. SILVER DIRECTORS ARE ELECTED BY A MAJORITY VOTE OF SILVER MEMBERS AND ONE OR MORE DIRECTORS UNAFFILIATED WITH THE FOUNDING, GOLD OR SILVER MEMBERS SHALL BE ELECTED BY MAJORITY VOTE OF THE FOUNDING MEMBERS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THE FORM 990 WILL BE REVIEWED BY THE PRESIDENT, SECRETARY, AND TREASURER, AND COPIES WILL BE PROVIDED TO BOARD DIRECTORS PRIOR TO FILING. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | ANNUAL CONFLICT OF INTEREST FORMS ARE REQUIRED TO BE COMPLETED BY ALL BOARD DIRECTORS. BOARD DIRECTORS ARE REQUIRED TO NOTIFY THE BOARD OF ANY POTENTIAL CONFILICTS, AND TO ABSTAIN FROM ANY DISCUSSION OR VOTE IF AN ACTUAL CONFLICT WERE TO EXIST. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | THE ORGANIZATION'S GOVERNING DOCUMENTS, FINANCIAL STATEMENTS AND CONFLICT OF INTEREST POLICY ARE AVAILABLE UPON REQUEST. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PART VI, SECTION A, LINE 6 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION A, LINE 7A |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART VI, SECTION B, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PART VI, SECTION B, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PART VI, SECTION C, LINE 19 |
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| IRS990/SignificantChangeInd | 0 | 0 |
| IRS990/SignificantNewProgramSrvcInd | 0 | 0 |
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| IRS990/SubjectToProxyTaxInd | 0 | 1 |
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| IRS990/TaxablePartyNotificationInd | 0 | 0 |
| IRS990/TaxExemptBondsInd | 0 | 0 |
| IRS990/TerminateOperationsInd | 0 | 0 |
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| IRS990/TotalAssetsEOYAmt | 0 | 44819 |
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| IRS990/TotalAssetsGrp/EOYAmt | 0 | 44819 |
| IRS990/TotalCompGreaterThan150KInd | 0 | 0 |
| IRS990/TotalContributionsAmt | 0 | 206250 |
| IRS990/TotalEmployeeCnt | 0 | 0 |
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| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 10000 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 7780 |
| IRS990/TotalLiabilitiesGrp/BOYAmt | 0 | 10000 |
| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 7780 |
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| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 37039 |
| IRS990/TotalOtherCompensationAmt | 0 | 0 |
| IRS990/TotalReportableCompFromOrgAmt | 0 | 23500 |
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| IRS990/TotalVolunteersCnt | 0 | 20 |
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| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 44819 |
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| IRS990/TypeOfOrganizationCorpInd | 0 | X |
| IRS990/UnrelatedBusIncmOverLimitInd | 0 | 0 |
| IRS990/UponRequestInd | 0 | X |
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| IRS990/USAddress/CityNm | 0 | MOUNT LAUREL |
| IRS990/USAddress/StateAbbreviationCd | 0 | NJ |
| IRS990/USAddress/ZIPCd | 0 | 08054 |
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| IRS990/VotingMembersIndependentCnt | 0 | 10 |
| IRS990/WebsiteAddressTxt | 0 | KOTLINFOUNDATION.ORG |
| IRS990/WhistleblowerPolicyInd | 0 | 0 |
| ReturnHeader/BuildTS | 0 | 2024-10-15 13:58:12Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | 1 |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | JEFFREY VAN GOGH |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | TREASURER |
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| ReturnHeader/Filer/USAddress/CityNm | 0 | MOUNT LAUREL |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | NJ |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 08054 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | 1 |
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| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 1211 SW FIFTH AVE SUITE 1000 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | PORTLAND |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | OR |
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| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2024-11-15 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | KAREN LISKA |
| ReturnHeader/ReturnTs | 0 | 2024-11-15T17:00:15-06:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2023-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2023-12-31 |
| ReturnHeader/TaxYr | 0 | 2023 |