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| IRS990/ActivityOrMissionDesc | 0 | NURTURES AND ADVOCATES FOR LGBTQ WRITERS, ELEVATING THE IMPACT OF THEIR WORDS TO CREATE COMMUNITY |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 50.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 50.00 |
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| 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 |
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| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 5 | X |
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| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | MISCHA HAIDER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | RAKESH SATYAL |
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| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | CAROLINE YOUNG |
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| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | SUE LANDERS |
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| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 67455 |
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| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | EXEC DIR- 2017 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | EXEC DIR- 2018 |
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| IRS990/Form990TFiledInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1996 |
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| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 21865 |
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| IRS990/MissionDesc | 0 | TO NURTURE, CELEBRATE AND PRESERVE LESBIAN, GAY, BISEXUAL AND TRANSGENDER (LGBT) LITERATURE THROUGH PROGRAMS THAT HONOR EXCELLENCE, PROMOTE VISIBILITY AND ENCOURAGE DEVELOPMENT OF EMERGING WRITERS. |
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| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 60632 |
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| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 21856 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 29769 |
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| IRS990/OtherExpensesGrp/TotalAmt | 1 | 43468 |
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| IRS990/OtherExpensesGrp/TotalAmt | 3 | 29769 |
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| IRS990/PrincipalOfficerNm | 0 | SUSAN R LANDERS |
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| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 900099 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 2 | 541800 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | LAMBDA LITERARY AWARDS |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | WRITERS' RETREAT |
| IRS990/ProgramServiceRevenueGrp/Desc | 2 | THE LAMBDA LITERARY RE |
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| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | WRITERS' RETREAT - A WEEK-LONG RETREAT OFFERING LGBT WRITERS THE CHANCE TO BE IMMERSED IN FICTION, NONFICTION, OR POETRY, AND TO LEARN FROM OTHER LGBT WRITERS AND PUBLISHING INDUSTRY PROFESSIONALS. |
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| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 65144 |
| IRS990/ProgSrvcAccomActy3Grp/Desc | 0 | THE LAMBDA LITERARY REVIEW - PROVIDING THE PUBLIC WITH A WEBSITE DEDICATED TO LGBT BOOK REVIEWS, AUTHOR INTERVIEWS, AND BOOK NEWS. |
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| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 2500 |
| IRS990/PYInvestmentIncomeAmt | 0 | 5 |
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| IRS990/PYTotalExpensesAmt | 0 | 518964 |
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| IRS990/PYTotalRevenueAmt | 0 | 578581 |
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| IRS990/ReportOtherAssetsInd | 0 | 0 |
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| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 366704 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 247028 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 253274 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 216325 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 1450764 |
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| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 5 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 3 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 39 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 889199 |
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| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.87260 |
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| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 366704 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 247028 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 253274 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 216325 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 1450764 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 1498183 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearAmt | 0 | 9293 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearMinus1YearAmt | 0 | 11882 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 6317 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 9789 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 10099 |
| IRS990ScheduleA/UnrelatedBusinessNetIncm170Grp/TotalAmt | 0 | 47380 |
| IRS990/ScheduleBRequiredInd | 0 | 1 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 0 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 38797 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 38797 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 565 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 1804 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 2369 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | THE ORGANIZATION IS GENERALLY EXEMPT FROM INCOME TAXES, HOWEVER, IT DOES PAY INCOME TAXES ON NET INCOME DERIVED FROM UNRELATED BUSINESS ACTIVITIES. THE ORGANIZATION HAS ADVERTISING REVENUES WHICH IS SUBJECT TO TAX ON UNRELATED BUSINESS INCOME. AT DECEMBER 31, 2017 AND 2016, THE ORGANIZATION INCURRED A TAX EXPENSE ON THIS UNRELATED BUSINESS ACTIVITY OF $751 AND $963, RESPECTIVELY. ANY CURRENT TAX LIABILITY FOR THIS ACTIVITY IS NOT SEPARATELY STATED BECAUSE IT IS IMMATERIAL. THE ORGANIZATION BELIEVES THAT IT HAS APPROPRIATE SUPPORT FOR ANY TAX POSITIONS TAKEN, AND AS SUCH, DOES NOT HAVE ANY UNCERTAIN TAX POSITIONS THAT ARE MATERIAL TO THE FINANCIAL STATEMENTS. THE TAX RETURNS THAT MAY BE SUBJECT TO TAX EXAMINATION BY THE VARIOUS TAX AGENCIES ARE 2013 AND THEREAFTER. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART X, LINE 2: |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 565 |
| IRS990ScheduleI/GrantRecordsMaintainedInd | 0 | 0 |
| IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/CashGrantAmt | 0 | 16000 |
| IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/GrantTypeTxt | 0 | SCHOLARSHIP |
| IRS990ScheduleI/GrantsOtherAsstToIndivInUSGrp/RecipientCnt | 0 | 70 |
| IRS990/ScheduleJRequiredInd | 0 | 0 |
| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE FORM 990 HAS BEEN REVIEWED BY A GROUP OF PERSONS AUTHORIZED TO REVIEW FINANCIAL AND AUDIT MATTERS PRIOR TO FILING. THE FINAL FORM 990 (FILED WITH THE IRS) WILL BE AVAILABLE AT THE NEXT MEETING OF THE BOARD FOR INSPECTION. IN ADDITION, UPON REQUEST OF ANY BOARDMEMBER, A COPY WILL BE PROVIDED. IF THERE ARE ANY MATERIAL CHANGES, AN AMENDED FORM 990 WILL BE FILED. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE ORGANIZATION ENFORCES THE CONFLICT OF INTEREST POLICY BY MONITORING KNOWN RELATIONSHIPS, QUESTIONNAIRES, AND NOTING ANY CHANGES IN DISCLOSED INFORMATION. ANY CONFLICT IS REVIEWED BY THE BOARD BEFORE A DECISION IS MADE AS TO WHETHER TO APPROVE THE TRANSACTION. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | THIS REVIEW INCLUDES RESEARCHING GUIDESTAR, 990S, NY NON-PROFIT NETWORK ANNUAL SALARY SURVEY, PHONE CALLS TO OTHER ORGANIZATIONS TO COLLECT DATA. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | THE ORGANIZATION'S GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS ARE AVAILABLE UPON REQUEST. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | CONSULTANTS - LAMBDA LITERARY AWARDS: PROGRAM SERVICE EXPENSES 21,515. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 21,515. CONSULTANTS - WRITERS' RETREAT: PROGRAM SERVICE EXPENSES 13,250. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 13,250. CONSULTANTS - LAMBDA LITERARY REVIEW: PROGRAM SERVICE EXPENSES 45,784. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 45,784. CONSULTANTS - OTHER: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 23,829. FUNDRAISING EXPENSES 13,624. TOTAL EXPENSES 37,453. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PART VI, SECTION B, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION B, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART VI, SECTION B, LINE 15A |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PART VI, SECTION C, LINE 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PART IX, LINE 11G |
| IRS990/SchoolOperatingInd | 0 | 0 |
| IRS990/SignificantChangeInd | 0 | 0 |
| IRS990/SignificantNewProgramSrvcInd | 0 | 0 |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | CA |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 1 | DC |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 2 | NY |
| IRS990/SubjectToProxyTaxInd | 0 | 0 |
| IRS990/TaxablePartyNotificationInd | 0 | 0 |
| IRS990/TaxExemptBondsInd | 0 | 0 |
| IRS990/TempOrPermanentEndowmentsInd | 0 | 0 |
| IRS990/TerminateOperationsInd | 0 | 0 |
| IRS990/TotalAssetsBOYAmt | 0 | 156955 |
| IRS990/TotalAssetsEOYAmt | 0 | 186709 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 156955 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 186709 |
| IRS990/TotalCompGreaterThan150KInd | 0 | 0 |
| IRS990/TotalContributionsAmt | 0 | 367433 |
| IRS990/TotalEmployeeCnt | 0 | 4 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 52885 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 110091 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 445215 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 608191 |