| IRS990EZ/ActivitiesNotPreviouslyRptInd | 0 | false |
| IRS990EZ/BooksInCareOfDetail/PersonNm | 0 | NINA WOODWARD |
| IRS990EZ/BooksInCareOfDetail/PhoneNum | 0 | 2073482899 |
| IRS990EZ/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | PO BOX 9 |
| IRS990EZ/BooksInCareOfDetail/USAddress/CityNm | 0 | DEER ISLE |
| IRS990EZ/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | ME |
| IRS990EZ/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 04627 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/BOYAmt | 0 | 165360 |
| IRS990EZ/CashSavingsAndInvestmentsGrp/EOYAmt | 0 | 146321 |
| IRS990EZ/ChgMadeToOrgnzngDocNotRptInd | 0 | false |
| IRS990EZ/ContributionsGiftsGrantsEtcAmt | 0 | 72251 |
| IRS990EZ/DonorAdvisedFndsInd | 0 | false |
| IRS990EZ/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990EZ/ExcessOrDeficitForYearAmt | 0 | 5068 |
| IRS990EZ/FeesAndOtherPymtToIndCntrctAmt | 0 | 3575 |
| IRS990EZ/FiledScheduleAInd | 0 | true |
| IRS990EZ/ForeignFinancialAccountInd | 0 | false |
| IRS990EZ/ForeignOfficeInd | 0 | false |
| IRS990EZ/Form1120PolFiledInd | 0 | false |
| IRS990EZ/Form990TotalAssetsGrp/BOYAmt | 0 | 247991 |
| IRS990EZ/Form990TotalAssetsGrp/EOYAmt | 0 | 242465 |
| IRS990EZ/GrossReceiptsAmt | 0 | 74167 |
| IRS990EZ/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartIIInd | 0 | X |
| IRS990EZ/InfoInScheduleOPartIInd | 0 | X |
| IRS990EZ/InvestmentIncomeAmt | 0 | 763 |
| IRS990EZ/LandAndBuildingsGrp/BOYAmt | 0 | 81564 |
| IRS990EZ/LandAndBuildingsGrp/EOYAmt | 0 | 93317 |
| IRS990EZ/LobbyingActivitiesInd | 0 | false |
| IRS990EZ/MadeLoansToFromOfficersInd | 0 | false |
| IRS990EZ/MethodOfAccountingAccrualInd | 0 | X |
| IRS990EZ/NetAssetsOrFundBalancesBOYAmt | 0 | 246238 |
| IRS990EZ/NetAssetsOrFundBalancesEOYAmt | 0 | 237238 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/BOYAmt | 0 | 246238 |
| IRS990EZ/NetAssetsOrFundBalancesGrp/EOYAmt | 0 | 237238 |
| IRS990EZ/OccupancyRentUtltsAndMaintAmt | 0 | 6891 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 3.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 1 | 0.50 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 2 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 3 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 4 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 5 | 3.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 6 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 7 | 2.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 8 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 9 | 1.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/AverageHrsPerWkDevotedToPosRt | 10 | 20.00 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 0 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/CompensationAmt | 1 | 0 |
| 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/CompensationAmt | 10 | 0 |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 0 | ORIANA WUERTH |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 1 | SHANNON CORLISS |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 2 | JENNI STEELE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 3 | CINDI EATON |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 4 | MARY CEVASCO |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 5 | DEBORAH DE WITT |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 6 | MICKIE FLORES |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 7 | STUART KESTENBAUM |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 8 | CATHY MARSHALL |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 9 | MINDY SMALL |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/PersonNm | 10 | NINA WOODWARD |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 0 | PRESIDENT |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 1 | VICE PRESIDE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 2 | TREASURER |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 3 | SECRETARY |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 4 | TRUSTEE/DIRE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 5 | TRUSTEE/DIRE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 6 | TRUSTEE/DIRE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 7 | TRUSTEE/DIRE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 8 | TRUSTEE/DIRE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 9 | TRUSTEE/DIRE |
| IRS990EZ/OfficerDirectorTrusteeEmplGrp/TitleTxt | 10 | EXECUTIVE DI |
| IRS990EZ/OperateHospitalInd | 0 | false |
| IRS990EZ/Organization501c3Ind | 0 | X |
| IRS990EZ/OrganizationDissolvedEtcInd | 0 | false |
| IRS990EZ/OrganizationHadUBIInd | 0 | false |
| IRS990EZ/OtherAssetsTotalDetail/BOYAmt | 0 | 1067 |
| IRS990EZ/OtherAssetsTotalDetail/EOYAmt | 0 | 2827 |
| IRS990EZ/OtherChangesInNetAssetsAmt | 0 | -14068 |
| IRS990EZ/OtherExpensesTotalAmt | 0 | 26959 |
| IRS990EZ/PartVIHghstPdCntrctProfSrvcTxt | 0 | NONE |
| IRS990EZ/PartVIOfCompOfHghstPdEmplTxt | 0 | NONE |
| IRS990EZ/PoliticalCampaignActyInd | 0 | false |
| IRS990EZ/PrimaryExemptPurposeTxt | 0 | TO ENHANCE THE QUALITY OF LIFE IN THE COMMUNITY BY PROMOTING A LOVE OF LEARNING THROUGH MEDIA AS WELL AS LIVE PROGRAMS TO INSTRUCT, EDUCATE, INSPIRE, DELIGHT AND AMUSE. |
| IRS990EZ/PrintingPublicationsPostageAmt | 0 | 1618 |
| IRS990EZ/ProgramServiceRevenueAmt | 0 | 1153 |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/DescriptionProgramSrvcAccomTxt | 0 | FOUNDED IN 1929, OUR MISSISON IS TO ENHANCE THE QUALITY OF LIFE IN THE COMMUNITY BY PROMOTING A LOVE OF LEARNING THROUGH MEDIA AS WELL AS LIVE PROGRAMS TO INSTRUCT, EDUCATE, INSPIRE, DELIGHT AND AMUSE. WE FULFILL THIS MISSION BY LOANING BOOKS AND OTHER MEDIA; PROVIDING FREE INTERNET ACCESS THAT REACHES OUTSIDE THE LIBRARY; AND BEING A COMMUNAL SPACE FOR PEOPLE TO WORK, STUDY, AND CONNECT. IN 2022, WE SERVED 5,217 PATRONS, CIRCULATED 6,814 ITEMS, 1,239 PATRONS UTILIZED OUR WIFI, AND WE HOSTED 72 PROGRAMS AND EVENTS. |
| IRS990EZ/ProgramSrvcAccomplishmentGrp/ProgramServiceExpensesAmt | 0 | 63906 |
| IRS990EZ/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990EZ/RelatedOrganizationCtrlEntInd | 0 | false |
| IRS990EZ/SalariesOtherCompEmplBnftAmt | 0 | 30056 |
| IRS990EZ/SchoolOperatingInd | 0 | false |
| IRS990EZ/SubjectToProxyTaxInd | 0 | false |
| IRS990EZ/SumOfTotalLiabilitiesGrp/BOYAmt | 0 | 1753 |
| IRS990EZ/SumOfTotalLiabilitiesGrp/EOYAmt | 0 | 5227 |
| IRS990EZ/TanningServicesProvidedInd | 0 | false |
| IRS990EZ/TotalExpensesAmt | 0 | 69099 |
| IRS990EZ/TotalProgramServiceExpensesAmt | 0 | 63906 |
| IRS990EZ/TotalRevenueAmt | 0 | 74167 |
| IRS990EZ/TransactionWithControlEntInd | 0 | false |
| IRS990EZ/TrnsfrExmptNonChrtblRltdOrgInd | 0 | false |
| IRS990EZ/TypeOfOrganizationCorpInd | 0 | X |
| IRS990EZ/WebsiteAddressTxt | 0 | DEERISLELIBRARY.ORG |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/CurrentTaxYearAmt | 0 | 72251 |
| IRS990ScheduleA/GiftsGrantsContrisRcvd509Grp/TotalAmt | 0 | 72251 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/CurrentTaxYearAmt | 0 | 763 |
| IRS990ScheduleA/GrossInvestmentIncome509Grp/TotalAmt | 0 | 763 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/CurrentTaxYearAmt | 0 | 1153 |
| IRS990ScheduleA/GrossReceiptsAdmissionsGrp/TotalAmt | 0 | 1153 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/CurrentTaxYearAmt | 0 | 763 |
| IRS990ScheduleA/InvestmentIncomeAndUBTIGrp/TotalAmt | 0 | 763 |
| IRS990ScheduleA/InvestmentIncomeCYPct | 0 | 0.01000 |
| IRS990ScheduleA/InvestmentIncomePYPct | 0 | 0.00000 |
| IRS990ScheduleA/PubliclySupportedOrg509a2Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY509Pct | 0 | 0.98970 |
| IRS990ScheduleA/PublicSupportTotal509Amt | 0 | 73404 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY509Ind | 0 | X |
| IRS990ScheduleA/Total509Grp/CurrentTaxYearAmt | 0 | 73404 |
| IRS990ScheduleA/Total509Grp/TotalAmt | 0 | 73404 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/CurrentTaxYearAmt | 0 | 74167 |
| IRS990ScheduleA/TotalSupportCalendarYearGrp/TotalAmt | 0 | 74167 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | EXPENSES ADVERTISING & PROMOTION 1,117 OFFICE 1,340 INSURANCE 2,444 BOOKS 6,171 PROGRAM EXPENSES 1,885 LIBRARY SUPPLIES 5,271 TECHNOLOGY EXPENSES 2,572 DUES, FEES, SUBSCRIPTIONS 1,168 BANK FEES 242 MISC. EXPENSES 528 NON-INVESTMENT DEPRECIATION 4,221 TOTAL 26,959 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | UNREALIZED INVESTMENT LOSSES -14,068 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | EQUIPMENT & FURNISHINGS 2,672 5,176 LESS ACCUMULATED DEPRECIATION 1,605 2,349 TOTAL 1,067 2,827 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | ACCOUNTS PAYABLE AND ACCRUED EXPENSES 1,753 5,227 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | TO ENHANCE THE QUALITY OF LIFE IN THE COMMUNITY BY PROMOTING A LOVE OF LEARNING THROUGH MEDIA AS WELL AS LIVE PROGRAMS TO INSTRUCT, EDUCATE, INSPIRE, DELIGHT AND AMUSE. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | FOUNDED IN 1929, OUR MISSISON IS TO ENHANCE THE QUALITY OF LIFE IN THE COMMUNITY BY PROMOTING A LOVE OF LEARNING THROUGH MEDIA AS WELL AS LIVE PROGRAMS TO INSTRUCT, EDUCATE, INSPIRE, DELIGHT AND AMUSE. WE FULFILL THIS MISSION BY LOANING BOOKS AND OTHER MEDIA; PROVIDING FREE INTERNET ACCESS THAT REACHES OUTSIDE THE LIBRARY; AND BEING A COMMUNAL SPACE FOR PEOPLE TO WORK, STUDY, AND CONNECT. IN 2022, WE SERVED 5,217 PATRONS, CIRCULATED 6,814 ITEMS, 1,239 PATRONS UTILIZED OUR WIFI, AND WE HOSTED 72 PROGRAMS AND EVENTS. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990-EZ, PART I, LINE 16 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990-EZ, PART I, LINE 20 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990-EZ, PART II, LINE 24 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990-EZ, PART II, LINE 26 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990-EZ, PART III |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | FORM 990-EZ, PART III, LINE 28 |
| ReturnHeader/BuildTS | 0 | 2023-04-26 12:10:37Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | JENNI STEELE |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | TREASURER |
| ReturnHeader/BusinessOfficerGrp/PhoneNum | 0 | 2073482899 |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2023-10-23 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | CHASE EMERSON MEMORIAL LIBRARY |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | CHAS |
| ReturnHeader/Filer/EIN | 0 | 016013197 |
| ReturnHeader/Filer/PhoneNum | 0 | 2073482899 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | PO BOX 9 |
| ReturnHeader/Filer/USAddress/CityNm | 0 | DEER ISLE |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | ME |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 04627 |
| ReturnHeader/IRSResponsiblePrtyInfoCurrInd | 0 | false |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 473458131 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | CHERYL L BOULET CPA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | PO BOX 775 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | BLUE HILL |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | ME |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 046145929 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 2073742400 |
| ReturnHeader/PreparerPersonGrp/PreparationDt | 0 | 2023-10-22 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | CHERYL L BOULET CPA |
| ReturnHeader/PreparerPersonGrp/SelfEmployedInd | 0 | X |
| ReturnHeader/ReturnTs | 0 | 2023-10-25T10:41:02-04:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990EZ |
| ReturnHeader/SigningOfficerGrp/PersonFullName/PersonFirstNm | 0 | JENNI |
| ReturnHeader/SigningOfficerGrp/PersonFullName/PersonLastNm | 0 | STEELE |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2022-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2022-12-31 |
| ReturnHeader/TaxYr | 0 | 2022 |