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| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 4282799 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 378351 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 786604 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | IFF will provide comprehensive solutions with transformational outcomes in low-income and special needs communities throughout the Midwest by offering lending, real estate, community development, and research services to nonprofits. |
| IRS990/AddressChangeInd | 0 | X |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 7 |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 24 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 27683 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 27714 |
| IRS990/AllOtherContributionsAmt | 0 | 10087365 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 29 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 81 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 1015 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 1125 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | Yolanda Daniel |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 3126290060 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 333 South Wabash Avenue No 2800 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | CHICAGO |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | IL |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 60604 |
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| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 360 |
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| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 171429 |
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| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | One North Dearborn Suite 1000 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | Menlo Park |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | Chicago |
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| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 60602 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | SRI International |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | Metropolitan Family Services |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | Cnsltnts - Indpt Evaluator |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | Cnsltnts - Tech Srvc Provider |
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| IRS990/CYTotalRevenueAmt | 0 | 29195957 |
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| IRS990/DeferredRevenueGrp/BOYAmt | 0 | 7973204 |
| IRS990/DeferredRevenueGrp/EOYAmt | 0 | 13455515 |
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| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 14229 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 571024 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 589771 |
| IRS990/Desc | 0 | Capital Solutions: This program makes below market loans to nonprofit agencies. Since 1990, the total loan volume reached $598.1 million which includes 1,307 loans closed that has leveraged over $1.8 billion in capital. Since 1990, these loans have assisted with the renovation or construction of 17.3 million square feet and created 5,191 child care slots, 4,656 student seats, 221,599 new patients/visits at health care clinics, 7,293 affordable and supportive/special needs housing units, and 2,333 beds. In addition, the loans have helped to employ 62,644 full time equivalents and over 4.7 million clients have been served by these borrowers, including 458.9 thousand clients with disabilities. |
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| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 101 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
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| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
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| IRS990/FederalGrantAuditRequiredInd | 0 | 1 |
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| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 83197 |
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| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 286 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 106262 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 106651 |
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| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 48625 |
| IRS990/FeesForServicesManagementGrp/ProgramServicesAmt | 0 | 93161 |
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| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 41262 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 1043150 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 1114368 |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
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| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 21 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 22 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 23 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 24 | 40.00 |
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| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 4 | X |
| 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/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/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 13 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 5 | 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 |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 15371 |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 19 | 1403 |
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| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 22 | 13549 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 23 | 7308 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 24 | 5408 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Amir Kirkwood |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Craig Munro |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | George Surgeon |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Joe Antolin |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | John Sassaris |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Kristine Garrett |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Meredith O'Connor |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | Michelle Nettles |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | Mohini Chopra |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | Ramon Cepeda |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | Rodney Jones-Tyson |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | Steve Kent |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | Joseph Gomez |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | Richard Klawiter |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | Joe Neri |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | Lloyd Shields |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | Trinita Logue |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | Jose Cerda III |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 18 | Matt Roth |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 19 | Craig Mizushima |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 20 | Kirby Burkholder |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 21 | Robin Schabes |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 22 | Tanya Vartivarian |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 23 | Dana Liberman |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 24 | David Desai-Ramirez |
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| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
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| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 267250 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 173775 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 222982 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 153287 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 18 | 200328 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 19 | 169942 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 20 | 147862 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 21 | 147036 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 22 | 121272 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 23 | 121539 |
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| 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/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 18 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 19 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 24 | 0 |
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| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Secretary & Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Vice Chair |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | Chair |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | Board Member |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | CEO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | Assistant Secretary & CFO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | VP of Corp Comm & Public Affairs |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 18 | COO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 19 | Vice President of Capital Solutions |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 20 | Executive Director - Easte |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 21 | VP of Community Development Initiatives |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 22 | Senior Director - Structur |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 23 | Managing Director of Lending |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 24 | Executive Director - Southern Region |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1988 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/ConsolidatedBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/OtherAmt | 0 | 203946 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 14 |
| IRS990/GovernmentGrantsAmt | 0 | 1532697 |
| IRS990/GrantAmt | 0 | 1060679 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 5820522 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 5820522 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 1 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
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| IRS990/GrossReceiptsAmt | 0 | 31097747 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 162231 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
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| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 17 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 1628 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 3398 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 43500 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 48526 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 773 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 2462 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 91620 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 94855 |
| IRS990/InterestGrp/ProgramServicesAmt | 0 | 6031166 |
| IRS990/InterestGrp/TotalAmt | 0 | 6031166 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 57238 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 57238 |
| IRS990/InvestmentInJointVentureInd | 0 | 1 |
| IRS990/InvestmentsOtherSecuritiesGrp/BOYAmt | 0 | 6547446 |
| IRS990/InvestmentsOtherSecuritiesGrp/EOYAmt | 0 | 5191170 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 18125620 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 17986010 |
| IRS990/IRPDocumentCnt | 0 | 61 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 3483556 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 13889187 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 27828413 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 31311969 |
| IRS990/LegalDomicileStateCd | 0 | IL |
| IRS990/LessCostOthBasisSalesExpnssGrp/OtherAmt | 0 | 1813312 |
| IRS990/LessRentalExpensesGrp/RealAmt | 0 | 88478 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 1 |
| IRS990/LocalChaptersInd | 0 | 1 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | IFF is a nonprofit organization that offers lending, facilities planning, real estate development and research services to Midwest nonprofits serving disadvantaged populations. IFF services help nonprofits complete their real estate-related projects and strengthen their financial, operational and management capacity to meet their missions. IFF works with nonprofits, government agencies, and philanthropic stakeholders to deliver innovative solutions to underserved communities and to help achieve their community development goals. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 7000000 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 7108221 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 78341527 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 82785290 |
| IRS990/NetGainOrLossInvestmentsGrp/RelatedOrExemptFuncIncomeAmt | 0 | 203946 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 203946 |
| IRS990/NetRentalIncomeOrLossGrp/RelatedOrExemptFuncIncomeAmt | 0 | 73753 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 73753 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | -44 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 44077 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 130053 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 1806647 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 1980777 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 8303 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 25830 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 491716 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 525849 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsSFAS117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 1252791 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 1972925 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | -233065 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 10991 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 24639 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 299198 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 334828 |
| IRS990/OtherExpensesGrp/Desc | 0 | Dues,Books & Subscripti |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 3166 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 2696 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 117082 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 122944 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 102637 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 232010 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 4026699 |