| AffiliatedGroupSchedule/AffiliatedScheduleGrp/BusinessName/BusinessNameLine1Txt | 0 | FirstDay Foundation |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/BusinessName/BusinessNameLine1Txt | 1 | BRECKENRIDGE VILLAGE |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/BusinessName/BusinessNameLine1Txt | 2 | COMPASS CONNECTIONS |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/BusinessName/BusinessNameLine1Txt | 3 | COMPASS UNITED |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/BusinessName/BusinessNameLine1Txt | 4 | BCFS HEALTH AND HUMAN SERVICES |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/BusinessName/BusinessNameLine1Txt | 5 | CHILDREN'S EMERGENCY RELIEF INTERNATIONAL |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/BusinessName/BusinessNameLine1Txt | 6 | NATIONAL EMERGENCY MANAGEMENT & RESPONSE |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/BusinessName/BusinessNameLine1Txt | 7 | INNOVATIVE NETWORK OF KNOWLEDGE |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/BusinessName/BusinessNameLine1Txt | 8 | SILVER CLIFF RANCH |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/BusinessName/BusinessNameLine1Txt | 9 | EMERGENCY MANAGEMENT AND RESPONSE |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/EIN | 0 | 742874382 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/EIN | 1 | 742833616 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/EIN | 2 | 461394166 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/EIN | 3 | 621867350 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/EIN | 4 | 741260710 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/EIN | 5 | 742933669 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/EIN | 6 | 742603561 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/EIN | 7 | 455251954 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/EIN | 8 | 562573060 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/EIN | 9 | 883550714 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/ElectingOrganizationInd | 0 | X |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/ElectingOrganizationInd | 1 | X |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/ElectingOrganizationInd | 2 | X |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/GrassrootsNontxAmt | 0 | 250000 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/GrassrootsNontxAmt | 1 | 104029 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/GrassrootsNontxAmt | 2 | 250000 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/GrassrootsNontxAmt | 3 | 2 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/GrassrootsNontxAmt | 4 | 250000 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/GrassrootsNontxAmt | 5 | 52320 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/GrassrootsNontxAmt | 6 | 73297 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/GrassrootsNontxAmt | 7 | 250000 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/GrassrootsNontxAmt | 8 | 27808 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/GrassrootsNontxAmt | 9 | 229219 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/LobbyNontxAmt | 0 | 1000000 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/LobbyNontxAmt | 1 | 416117 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/LobbyNontxAmt | 2 | 1000000 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/LobbyNontxAmt | 3 | 9 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/LobbyNontxAmt | 4 | 1000000 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/LobbyNontxAmt | 5 | 209279 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/LobbyNontxAmt | 6 | 293189 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/LobbyNontxAmt | 7 | 1000000 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/LobbyNontxAmt | 8 | 111232 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/LobbyNontxAmt | 9 | 916877 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/OtherExemptPurposeExpendAmt | 0 | 62620093 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/OtherExemptPurposeExpendAmt | 1 | 5322343 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/OtherExemptPurposeExpendAmt | 2 | 395110368 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/OtherExemptPurposeExpendAmt | 3 | 44 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/OtherExemptPurposeExpendAmt | 4 | 29651828 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/OtherExemptPurposeExpendAmt | 5 | 1342792 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/OtherExemptPurposeExpendAmt | 6 | 2753728 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/OtherExemptPurposeExpendAmt | 7 | 21702786 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/OtherExemptPurposeExpendAmt | 8 | 574881 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/OtherExemptPurposeExpendAmt | 9 | 15337534 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/ShareExcessLobbyExpendAmt | 0 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/ShareExcessLobbyExpendAmt | 1 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/ShareExcessLobbyExpendAmt | 2 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/ShareExcessLobbyExpendAmt | 3 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/ShareExcessLobbyExpendAmt | 4 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/ShareExcessLobbyExpendAmt | 5 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/ShareExcessLobbyExpendAmt | 6 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/ShareExcessLobbyExpendAmt | 7 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/ShareExcessLobbyExpendAmt | 8 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/ShareExcessLobbyExpendAmt | 9 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalDirectLobbyAmt | 0 | 539639 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalDirectLobbyAmt | 1 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalDirectLobbyAmt | 2 | 181450 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalDirectLobbyAmt | 3 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalDirectLobbyAmt | 4 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalDirectLobbyAmt | 5 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalDirectLobbyAmt | 6 | 110045 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalDirectLobbyAmt | 7 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalDirectLobbyAmt | 8 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalDirectLobbyAmt | 9 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalExemptPurposeExpendAmt | 0 | 63159732 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalExemptPurposeExpendAmt | 1 | 5322343 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalExemptPurposeExpendAmt | 2 | 395291818 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalExemptPurposeExpendAmt | 3 | 44 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalExemptPurposeExpendAmt | 4 | 29651828 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalExemptPurposeExpendAmt | 5 | 1342792 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalExemptPurposeExpendAmt | 6 | 2863773 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalExemptPurposeExpendAmt | 7 | 21702786 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalExemptPurposeExpendAmt | 8 | 574881 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalExemptPurposeExpendAmt | 9 | 15337534 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalGrassrootsLobbyAmt | 0 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalGrassrootsLobbyAmt | 1 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalGrassrootsLobbyAmt | 2 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalGrassrootsLobbyAmt | 3 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalGrassrootsLobbyAmt | 4 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalGrassrootsLobbyAmt | 5 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalGrassrootsLobbyAmt | 6 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalGrassrootsLobbyAmt | 7 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalGrassrootsLobbyAmt | 8 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalGrassrootsLobbyAmt | 9 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalLobbyExpenditureAmt | 0 | 539639 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalLobbyExpenditureAmt | 1 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalLobbyExpenditureAmt | 2 | 181450 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalLobbyExpenditureAmt | 3 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalLobbyExpenditureAmt | 4 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalLobbyExpenditureAmt | 5 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalLobbyExpenditureAmt | 6 | 110045 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalLobbyExpenditureAmt | 7 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalLobbyExpenditureAmt | 8 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalLobbyExpenditureAmt | 9 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalLobbyGrssrootMnsNontxAmt | 0 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalLobbyGrssrootMnsNontxAmt | 1 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalLobbyGrssrootMnsNontxAmt | 2 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalLobbyGrssrootMnsNontxAmt | 3 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalLobbyGrssrootMnsNontxAmt | 4 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalLobbyGrssrootMnsNontxAmt | 5 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalLobbyGrssrootMnsNontxAmt | 6 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalLobbyGrssrootMnsNontxAmt | 7 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalLobbyGrssrootMnsNontxAmt | 8 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotalLobbyGrssrootMnsNontxAmt | 9 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotLbbyExpendMnsLobbyNontxAmt | 0 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotLbbyExpendMnsLobbyNontxAmt | 1 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotLbbyExpendMnsLobbyNontxAmt | 2 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotLbbyExpendMnsLobbyNontxAmt | 3 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotLbbyExpendMnsLobbyNontxAmt | 4 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotLbbyExpendMnsLobbyNontxAmt | 5 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotLbbyExpendMnsLobbyNontxAmt | 6 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotLbbyExpendMnsLobbyNontxAmt | 7 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotLbbyExpendMnsLobbyNontxAmt | 8 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/TotLbbyExpendMnsLobbyNontxAmt | 9 | 0 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/AddressLine1Txt | 0 | 1506 BEXAR CROSSING |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/AddressLine1Txt | 1 | PO BOX 461685 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/AddressLine1Txt | 2 | PO BOX 791090 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/AddressLine1Txt | 3 | PO BOX 791090 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/AddressLine1Txt | 4 | PO BOX 460608 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/AddressLine1Txt | 5 | PO BOX 460047 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/AddressLine1Txt | 6 | PO BOX 790487 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/AddressLine1Txt | 7 | PO BOX 461366 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/AddressLine1Txt | 8 | PO BOX 461447 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/AddressLine1Txt | 9 | PO BOX 790487 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/CityNm | 0 | SAN ANTONIO |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/CityNm | 1 | San Antonio |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/CityNm | 2 | San Antonio |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/CityNm | 3 | San Antonio |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/CityNm | 4 | San Antonio |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/CityNm | 5 | San Antonio |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/CityNm | 6 | San Antonio |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/CityNm | 7 | San Antonio |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/CityNm | 8 | San Antonio |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/CityNm | 9 | San Antonio |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/StateAbbreviationCd | 0 | TX |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/StateAbbreviationCd | 1 | TX |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/StateAbbreviationCd | 2 | TX |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/StateAbbreviationCd | 3 | TX |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/StateAbbreviationCd | 4 | TX |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/StateAbbreviationCd | 5 | TX |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/StateAbbreviationCd | 6 | TX |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/StateAbbreviationCd | 7 | TX |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/StateAbbreviationCd | 8 | TX |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/StateAbbreviationCd | 9 | TX |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/ZIPCd | 0 | 78232 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/ZIPCd | 1 | 78246 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/ZIPCd | 2 | 78279 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/ZIPCd | 3 | 78729 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/ZIPCd | 4 | 78246 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/ZIPCd | 5 | 78246 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/ZIPCd | 6 | 78279 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/ZIPCd | 7 | 78246 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/ZIPCd | 8 | 78246 |
| AffiliatedGroupSchedule/AffiliatedScheduleGrp/USAddress/ZIPCd | 9 | 78279 |
| IRS990/AccountantCompileOrReviewInd | 0 | false |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 4015589 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 4814684 |
| IRS990/AccountsReceivableGrp/BOYAmt | 0 | 57452 |
| IRS990/AccountsReceivableGrp/EOYAmt | 0 | 51776 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | false |
| IRS990/ActivityOrMissionDesc | 0 | FIRSTDAY FOUNDATION PROVIDES SUPPORT TO THE FIRSTDAY FOUNDATION AFFILIATED ORGANIZATIONS IN THEIR EFFORTS TO CARE FOR CHILDREN, ADULTS, AND FAMILIES IN NEED AROUND THE WORLD. |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 8118 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 754854 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 762972 |
| IRS990/AllOtherContributionsAmt | 0 | 362653 |
| IRS990/AllOtherExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/AllOtherExpensesGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/AllOtherExpensesGrp/ProgramServicesAmt | 0 | 0 |
| IRS990/AllOtherExpensesGrp/TotalAmt | 0 | 0 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | true |
| IRS990/AuditCommitteeInd | 0 | true |
| IRS990/BackupWthldComplianceInd | 0 | true |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | Claudia Oliveira |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 2109051000 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 1506 Bexar Crossing |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | San Antonio |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | TX |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 78232 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | false |
| IRS990/BusinessRlnWithFamMemInd | 0 | false |
| IRS990/BusinessRlnWithOrgMemInd | 0 | false |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 31940 |
| IRS990/ChangeToOrgDocumentsInd | 0 | true |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 4 |
| IRS990/CollectionsOfArtInd | 0 | false |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 126447 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 3128329 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 3254776 |
| IRS990/CompensationFromOtherSrcsInd | 0 | false |
| IRS990/CompensationProcessCEOInd | 0 | true |
| IRS990/CompensationProcessOtherInd | 0 | true |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 33951 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 178474 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 212425 |
| IRS990/ConflictOfInterestPolicyInd | 0 | true |
| IRS990/ConservationEasementsInd | 0 | false |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | true |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 3113371 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 459174 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 166232 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 101290 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | PO BOX 642743 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | PO BOX 95135 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 8200 W Interstate 10 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | 1008 CENTRAL PARKWAY S |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine2Txt | 0 | Ste 900 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | PITTSBURGH |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | Chicago |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | San Antonio |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | San Antonio |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | PA |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | IL |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | TX |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | TX |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 15264 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 60694 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 782303806 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 783325021 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | BDO USA LLP |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | TEMPO HOLDING CO LLC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | FORVIS LLP |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 3 | CBT PARTNERS LTD DBA JANI KING |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | CONSULTING |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | SOFTWARE CONSULTING |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | AUDIT SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | CUSTODIAL SERVICES |
| IRS990/CreditCounselingInd | 0 | false |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 362653 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 15919187 |
| IRS990/CYInvestmentIncomeAmt | 0 | 21427706 |
| IRS990/CYOtherExpensesAmt | 0 | 26999917 |
| IRS990/CYOtherRevenueAmt | 0 | 2459350 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 43213833 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 2869579 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 21674859 |
| IRS990/CYTotalExpensesAmt | 0 | 64593963 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 1434231 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 67463542 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | false |
| IRS990/DeductibleArtContributionInd | 0 | false |
| IRS990/DeductibleNonCashContriInd | 0 | false |
| IRS990/DelegationOfMgmtDutiesInd | 0 | false |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 2327260 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 2327260 |
| IRS990/Desc | 0 | THE FIRSTDAY FOUNDATION PROVIDES GENERAL AND ADMINISTRATIVE SUPPORT SERVICES TO PROVIDE EFFICIENT AND EFFECTIVE FISCAL, HUMAN RESOURCE MANAGEMENT, LEGAL, TECHNOLOGY, TALENT AND RECRUITING, REGULATORY AND COMPLIANCE, LEARNING AND DEVELOPMENT, MANAGEMENT AND ADVISORY SERVICES, PROPERTY AND RISK MANAGEMENT, AND MARKETING, BRANDING AND COMMUNICATION SERVICES TO ITS RELATED PARTY ORGANIZATIONS AND OTHER NONPROFIT AGENCIES. |
| IRS990/DescribedInSection501c3Ind | 0 | true |
| IRS990/DisregardedEntityInd | 0 | false |
| IRS990/DocumentRetentionPolicyInd | 0 | true |
| IRS990/DonorAdvisedFundInd | 0 | false |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 4345808 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 4752964 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | true |
| IRS990/ElectionOfBoardMembersInd | 0 | false |
| IRS990/EmployeeCnt | 0 | 191 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | true |
| IRS990/EngagedInExcessBenefitTransInd | 0 | false |
| IRS990/ExpenseAmt | 0 | 63159732 |
| IRS990/FamilyOrBusinessRlnInd | 0 | true |
| IRS990/FederalGrantAuditRequiredInd | 0 | false |
| IRS990/FeesForServicesAccountingGrp/ProgramServicesAmt | 0 | 134670 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 134670 |
| IRS990/FeesForServicesLegalGrp/ProgramServicesAmt | 0 | 204817 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 204817 |
| IRS990/FeesForServicesLobbyingGrp/ProgramServicesAmt | 0 | 539639 |
| IRS990/FeesForServicesLobbyingGrp/TotalAmt | 0 | 539639 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 145485 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 7683211 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 7828696 |
| IRS990/ForeignActivitiesInd | 0 | false |
| IRS990/ForeignFinancialAccountInd | 0 | false |
| IRS990/ForeignOfficeInd | 0 | false |
| IRS990/Form8282PropertyDisposedOfInd | 0 | false |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 5.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 9.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 7.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 4.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 4.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 6.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 9 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 10 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 11 | 2.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 12 | 7.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 13 | 7.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 14 | 4.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 15 | 3.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 16 | 10.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 17 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 18 | 20.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 19 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 20 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 21 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 22 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 23 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 24 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 25 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 26 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 1.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 40.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 10.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 18 | 30.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 19 | 10.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 20 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 21 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 22 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 23 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 24 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 25 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 26 | 50.0 |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/HighestCompensatedEmployeeInd | 1 | X |
| 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/IndividualTrusteeOrDirectorInd | 14 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 15 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/KeyEmployeeInd | 1 | 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/OfficerInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 7 | 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 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 16 | 57204 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 17 | 87455 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 18 | 68472 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 19 | 82744 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 20 | 41786 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 21 | 25828 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 22 | 18208 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 23 | 6761 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 24 | 16182 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 25 | 31931 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 26 | 2015 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Alan Griffin |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | George Cowden III |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Lanny Hall |