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| IRS990EZ/BooksInCareOfDetail/PersonNm | 0 | KATHLEEN HERRMANN |
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| IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 30 TANGLEWYLDE RD |
| IRS990EZ/BooksInCareOfDetail/USAddress/CityNm | 0 | LAKE PEEKSKILL |
| IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NY |
| IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 10537 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt | 0 | 62767 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt | 0 | 63707 |
| IRS990EZ/ChgMadeToOrgnzngDocNotRptInd | 0 | false |
| IRS990EZ/ContributionsGiftsGrantsEtcAmt | 0 | 14312 |
| IRS990EZ/DonorAdvisedFndsInd | 0 | false |
| IRS990EZ/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990EZ/ExcessOrDeficitForYearAmt | 0 | -17090 |
| IRS990EZ/FeesAndOtherPymtToIndCntrctAmt | 0 | 347 |
| IRS990EZ/FiledScheduleAInd | 0 | true |
| IRS990EZ/ForeignFinancialAccountInd | 0 | false |
| IRS990EZ/ForeignOfficeInd | 0 | false |
| IRS990EZ/Form1120PolFiledInd | 0 | false |
| IRS990EZ/Form990TotalAssetsGrp/BOYAmt | 0 | 465929 |
| IRS990EZ/Form990TotalAssetsGrp/EOYAmt | 0 | 448839 |
| IRS990EZ/GrossReceiptsAmt | 0 | 22802 |
| IRS990EZ/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartIInd | 0 | X |
| IRS990EZ/InvestmentIncomeAmt | 0 | 660 |
| IRS990EZ/LandAndBuildingsGrp/BOYAmt | 0 | 403162 |
| IRS990EZ/LandAndBuildingsGrp/EOYAmt | 0 | 385132 |
| IRS990EZ/LobbyingActivitiesInd | 0 | false |
| IRS990EZ/MadeLoansToFromOfficersInd | 0 | false |
| IRS990EZ/MethodOfAccountingCashInd | 0 | X |
| IRS990EZ/NetAssetsOrFundBalancesBOYAmt | 0 | 465929 |
| IRS990EZ/NetAssetsOrFundBalancesEOYAmt | 0 | 448839 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt | 0 | 465929 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt | 0 | 448839 |
| IRS990EZ/OccupancyRentUtltsAndMaintAmt | 0 | 27926 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 000.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 1 | 000.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 2 | 000.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 3 | 000.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 4 | 000.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 5 | 000.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 6 | 000.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 7 | 000.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 8 | 000.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 9 | 000.00 |
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| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 2 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 3 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 4 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 5 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 6 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 7 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 8 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 9 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 0 | GEORGE OROS |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 1 | JOHN CURRAN |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 2 | KATHLEEN HERRMANN |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 3 | DANIEL GROSSMAN |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 4 | DIANE WEBSTER |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 5 | LORMAN AUGUSTOWSKI |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 6 | JOHN BEERS |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 7 | ANITA CREEM |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 8 | MIKE STEWART |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 9 | MICHAEL MARX |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 0 | PRESIDENT |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 1 | VICE PRESIDE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 2 | TREASURER |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 3 | RECORDING SE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 4 | CORRESPONDIN |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 5 | TRUSTEE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 6 | TRUSTEE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 7 | TRUSTEE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 8 | TRUSTEE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 9 | TRUSTEE |
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| IRS990EZ/OrganizationHadUBIInd | 0 | false |
| IRS990EZ/OtherExpensesTotalAmt | 0 | 10555 |
| IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt | 0 | NONE |
| IRS990EZ/PartVIOfCompOfHghstPdEmplTxt | 0 | NONE |
| IRS990EZ/PoliticalCampaignActyInd | 0 | false |
| IRS990EZ/PrimaryExemptPurposeTxt | 0 | THE MUSEUM PROVIDES HOUSING FOR ARTIFACTS OF THE PEEKSKILL, NY AREA WHICH IS OPEN TO THE PUBLIC YEAR-ROUND. THE MUSEUM SHOWCASES THE MANY FACETS OF THE REGION'S HISTORY. |
| IRS990EZ/PrintingPublicationsPostageAmt | 0 | 1064 |
| IRS990EZ/ProgramServiceRevenueAmt | 0 | 7830 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 0 | WE PROVIDE A MUSEUM HOUSING ARTIFACTS OF THE PEEKSKILL, NY AREA WHICH IS OPEN TO THE PUBLIC YEAR-ROUND. THE MUSEUM SHOWCASES THE MANY FACETS OF THE REGION'S HISTORY. THE MUSEUM PROVIDES PUBLIC EDUCATION OF THE PEEKSKILL AREA THROUGH DISPLAYS, TOURS AND PRESENTATIONS. |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 1 | WE PROVIDE A MUSEUM HOUSING ARTIFACTS OF THE PEEKSKILL, NY AREA WHICH IS OPEN TO THE PUBLIC YEAR-ROUND. THE MUSEUM SHOWCASES THE MANY FACETS OF THE REGION'S HISTORY. THE MUSEUM PROVIDES PUBLIC EDUCATION OF THE PEEKSKILL AREA THROUGH DISPLAYS, TOURS AND PRESENTATIONS. |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 0 | 19470 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 1 | 20422 |
| IRS990EZ/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990EZ/RelatedOrganizationCtrlEntInd | 0 | false |
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| IRS990EZ/SchoolOperatingInd | 0 | false |
| IRS990EZ/SubjectToProxyTaxInd | 0 | false |
| IRS990EZ/TanningServicesProvidedInd | 0 | false |
| IRS990EZ/TotalExpensesAmt | 0 | 39892 |
| IRS990EZ/TotalProgramServiceExpensesAmt | 0 | 39892 |
| IRS990EZ/TotalRevenueAmt | 0 | 22802 |
| IRS990EZ/TransactionWithControlEntInd | 0 | false |
| IRS990EZ/TrnsfrExmptNonChrtblRltdOrgInd | 0 | false |
| IRS990EZ/TypeOfOrganizationCorpInd | 0 | X |
| IRS990EZ/WebsiteAddressTxt | 0 | PEEKSKILLMUSEUM.ORG |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 14312 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus1YearAmt | 0 | 10706 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 54952 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 17560 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 4196 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 101726 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 660 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus1YearAmt | 0 | 1 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 1 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 662 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearMinus4YearsAmt | 0 | 19614 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 19614 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearAmt | 0 | 7830 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearMinus1YearAmt | 0 | 3920 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearMinus2YearsAmt | 0 | 21787 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/CurrentTaxYearMinus3YearsAmt | 0 | 6238 |
| IRS990ScheduleA/GrossReceiptsNonUnrltBusGrp/TotalAmt | 0 | 39775 |
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| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus1YearAmt | 0 | 1 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearMinus2YearsAmt | 0 | 1 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 662 |
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| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.00000 |
| IRS990ScheduleA/NetIncomeFromOtherUBIGrp/CurrentTaxYearMinus1YearAmt | 0 | 17945 |
| IRS990ScheduleA/NetIncomeFromOtherUBIGrp/TotalAmt | 0 | 17945 |
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| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.89650 |
| IRS990ScheduleA/PublicSupportPY509Pct | 0 | 0.89480 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 161115 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
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| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus1YearAmt | 0 | 14626 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus2YearsAmt | 0 | 76739 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus3YearsAmt | 0 | 23798 |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearMinus4YearsAmt | 0 | 23810 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 161115 |
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| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus1YearAmt | 0 | 32572 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus2YearsAmt | 0 | 76740 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus3YearsAmt | 0 | 23798 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearMinus4YearsAmt | 0 | 23810 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 179722 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | VERPLANCK ART HISTORY SHOW COST OF GOODS SOLD 2,392 EXPENSES BANK FEES, DUES & OTHER 91 OFFICE SUPPLIES & OTHER 1,276 TELEPHONE/CABLE 2,248 WATER 180 WEBSITE/ SOCIAL MEDIA 358 D & O INSURANCE 595 LIABILITY & BLDG INSURANCE 2,729 OTHER FEES 286 MISCELLANEOUS 400 TOTAL 10,555 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE MUSEUM PROVIDES HOUSING FOR ARTIFACTS OF THE PEEKSKILL, NY AREA WHICH IS OPEN TO THE PUBLIC YEAR-ROUND. THE MUSEUM SHOWCASES THE MANY FACETS OF THE REGION'S HISTORY. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | WE PROVIDE A MUSEUM HOUSING ARTIFACTS OF THE PEEKSKILL, NY AREA WHICH IS OPEN TO THE PUBLIC YEAR-ROUND. THE MUSEUM SHOWCASES THE MANY FACETS OF THE REGION'S HISTORY. THE MUSEUM PROVIDES PUBLIC EDUCATION OF THE PEEKSKILL AREA THROUGH DISPLAYS, TOURS AND PRESENTATIONS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | WE PROVIDE A MUSEUM HOUSING ARTIFACTS OF THE PEEKSKILL, NY AREA WHICH IS OPEN TO THE PUBLIC YEAR-ROUND. THE MUSEUM SHOWCASES THE MANY FACETS OF THE REGION'S HISTORY. THE MUSEUM PROVIDES PUBLIC EDUCATION OF THE PEEKSKILL AREA THROUGH DISPLAYS, TOURS AND PRESENTATIONS. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990-EZ, PART I, LINE 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990-EZ, PART III |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990-EZ, PART III, LINE 28 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990-EZ, PART III, LINE 31 |
| TransferPrsnlBnftContractsDecl/DeclarationDesc | 0 | THE MUSEUM DID NOT RECEIVE ANY FUNDS, DIRECTLY OR INDIRECTLY DURING THE YEAR, TO PAY PREMIUMS ON A PERSONAL BENEFIT CONTRACT. |
| ReturnHeader/BuildTS | 0 | 2023-04-26 12:10:37Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | GEORGE OROS |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | PRESIDENT |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 9147360473 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2024-04-08 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | PEEKSKILL MUSEUM |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | PEEK |
| ReturnHeader/Filer/EIN | 0 | 132885457 |
| ReturnHeader/Filer/PhoneNum | 0 | 9147360473 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | PO BOX 84 |
| ReturnHeader/Filer/USAddress/CityNm | 0 | PEEKSKILL |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | NY |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 10566 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | false |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 133637923 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | CPA SERVICES UNLIMITED PC |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 2102 JACOBS HILL ROAD |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | CORTLANDT MANOR |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | NY |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 105672530 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 9143800405 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2024-04-10 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | MICHAEL J MARX CPA |
| ReturnHeader/ReturnTs | 0 | 2024-04-10T21:23:10-04:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990EZ |
| ReturnHeader/SigningOfficerGrp/PersonFullName/PersonFirstNm | 0 | GEORGE |
| ReturnHeader/SigningOfficerGrp/PersonFullName/PersonLastNm | 0 | OROS |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2023-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2023-12-31 |
| ReturnHeader/TaxYr | 0 | 2023 |