Liabilities / Assets
50th percentile
Tied with the lowest-debt nonprofits in its peer group.
EIN 35-6951044 • Wilmington, DE
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
50th percentile
Tied with the lowest-debt nonprofits in its peer group.
Liabilities / Revenue
50th percentile
Tied with the lowest-debt nonprofits in its peer group.
Net Margin
91st percentile
Higher net margin than 91% of similar nonprofits.
Top Officer Pay
55th percentile
Higher top officer pay than 55% of similar nonprofits.
Top officer pay equals 0.0% of source-year revenue.
Asset Growth
90th percentile
Faster asset growth than 90% of similar nonprofits.
Revenue Growth
79th percentile
Faster revenue growth than 79% of similar nonprofits.
Assets
Up$75,077,835
Up $23,274,351 (+45%) from 2023
Liabilities
Flat$0
Flat from 2023
Net Assets
Up$75,077,835
Up $23,274,351 (+45%) from 2023
Revenue
Up$25,147,421
Up $16,819,158 (+202%) from 2023
Expenses
Down$2,864,198
Down $620,222 (-18%) from 2023
Net Income
Up$22,283,223
Up $17,439,380 (+360%) from 2023
Most recent year
2024 • Form 990PFDetailed filing. Detailed filing data is available for this year.
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Mary Buttrick Burnham | Trustee | - | $0 | - | - |
| R Bradford Burnham III | Trustee | - | $0 | - | - |
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| AccountingFeesSchedule/AccountingFeesDetail/Amt | 0 | 2325 |
| AccountingFeesSchedule/AccountingFeesDetail/Amt | 1 | 3520 |
| AccountingFeesSchedule/AccountingFeesDetail/CategoryTxt | 0 | Tax Return Preparation/Review |
| AccountingFeesSchedule/AccountingFeesDetail/CategoryTxt | 1 | BOOKKEEPING |
| AccountingFeesSchedule/AccountingFeesDetail/DisbursementsCharitablePrpsAmt | 0 | 2325 |
| AccountingFeesSchedule/AccountingFeesDetail/DisbursementsCharitablePrpsAmt | 1 | 3520 |
| GeneralExplanationAttachment/GeneralExplanationGrp/FormAndLineReferenceDesc | 0 | PART I LINE 25 AND PART XIV LINE 3A |
| GeneralExplanationAttachment/GeneralExplanationGrp/FormAndLineReferenceDesc | 1 | PART I LINE 25 AND PART XIV LINE 3A |
| GeneralExplanationAttachment/GeneralExplanationGrp/FormAndLineReferenceDesc | 2 | FORM 990-PF |
| GeneralExplanationAttachment/GeneralExplanationGrp/IdentifierTxt | 0 | IN-KIND GRANTS |
| GeneralExplanationAttachment/GeneralExplanationGrp/IdentifierTxt | 1 | IN-KIND GRANTS |
| GeneralExplanationAttachment/GeneralExplanationGrp/IdentifierTxt | 2 | FORM 990-PF |
| GeneralExplanationAttachment/GeneralExplanationGrp/MediumExplanationTxt | 0 | DISTRIBUTIONS OF PROPERTY VALUE AT FAIR MARKET VALUE AT DATE OF DISTRIBUTION METHOD FOR DETERMINING FMV OF SECURITIES: AVERAGE OF HIGH/LOW ON DATE GRANTED TO CHARITY METHOD OF DETERMINING BOOK VALUE OF SECURITIES: COST OR AVERAGE OF HIGH/LOW ON DATE CONTRIBUTED TO FOUNDATION TOTAL FAIR MARKET VALUE OF PROPERTY: $1,499,608 TOTAL BOOK VALUE OF PROPERTY: $508,480 TOTAL CASH PORTION OF GRANTS: $- TOTAL AMOUNT OF GRANTS: $1,499,608 FORM 990-PF, PART III, LINE 3 - OTHER INCREASES/DECREASES: $991,128 DETAILS OF ITEMS GRANTED: DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 67 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: CARY INSTITUTE OF ECOSYSTEM STUDIES INC FMV OF PROPERTY: $24,842 BOOK VALUE OF PROPERTY: $42 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $24,842 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 29 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: DYSLEXIA ALLIANCE FOR BLACK CHILDREN FMV OF PROPERTY: $10,304 BOOK VALUE OF PROPERTY: $10,650 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $10,304 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 67 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: ECHOING GREEN INC FMV OF PROPERTY: $24,842 BOOK VALUE OF PROPERTY: $42 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $24,842 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 67 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: EL EDUCATION INC FMV OF PROPERTY: $24,842 BOOK VALUE OF PROPERTY: $42 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $24,842 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 67 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: ENVIRONMENTAL ADVOCATES NY INC FMV OF PROPERTY: $24,842 BOOK VALUE OF PROPERTY: $42 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $24,842 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 67 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: FARMLINK PROJECT FMV OF PROPERTY: $24,767 BOOK VALUE OF PROPERTY: $42 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $24,767 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 67 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: FFWD FMV OF PROPERTY: $24,842 BOOK VALUE OF PROPERTY: $42 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $24,842 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 200 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: FREE AND FAIR LITIGATION GROUP INC FMV OF PROPERTY: $73,931 BOOK VALUE OF PROPERTY: $126 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $73,931 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 71 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: LITERACY INC. FMV OF PROPERTY: $25,227 BOOK VALUE OF PROPERTY: $26,073 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $25,227 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 170 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: NATURAL AREAS CONSERVANCY INC FMV OF PROPERTY: $60,402 BOOK VALUE OF PROPERTY: $62,428 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $60,402 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 67 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: NEW PROFIT INC FMV OF PROPERTY: $24,842 BOOK VALUE OF PROPERTY: $24,605 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $24,842 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 267 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: NEW STORY INC FMV OF PROPERTY: $98,697 BOOK VALUE OF PROPERTY: $168 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $98,697 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 71 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: OPEN SPACE INSTITUTE LAND TRUST INC FMV OF PROPERTY: $25,227 BOOK VALUE OF PROPERTY: $26,074 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $25,227 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 22 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: RIVERKEEPER INC FMV OF PROPERTY: $8,157 BOOK VALUE OF PROPERTY: $14 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $8,157 |
| GeneralExplanationAttachment/GeneralExplanationGrp/MediumExplanationTxt | 1 | DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 54 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: SAVE THE SOUND INC FMV OF PROPERTY: $20,022 BOOK VALUE OF PROPERTY: $34 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $20,022 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 80 DATE OF DISTRIBUTION: 05/13/2024 GRANT RECIPIENT: WIKIMEDIA ENDOWMENT FMV OF PROPERTY: $29,662 BOOK VALUE OF PROPERTY: $50 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $29,662 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 134 DATE OF DISTRIBUTION: 05/14/2024 GRANT RECIPIENT: AMERICAN CIVIL LIBERTIES UNION FOUNDATION INC FMV OF PROPERTY: $49,533 BOOK VALUE OF PROPERTY: $49,207 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $49,533 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 284 DATE OF DISTRIBUTION: 05/14/2024 GRANT RECIPIENT: ARCHITECTURAL LEAGUE OF NEW YORK FMV OF PROPERTY: $100,907 BOOK VALUE OF PROPERTY: $69,831 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $100,907 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 114 DATE OF DISTRIBUTION: 05/14/2024 GRANT RECIPIENT: BILLION OYSTER PROJECT FMV OF PROPERTY: $40,505 BOOK VALUE OF PROPERTY: $41,863 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $40,505 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 200 DATE OF DISTRIBUTION: 05/14/2024 GRANT RECIPIENT: EARTHJUSTICE FMV OF PROPERTY: $74,154 BOOK VALUE OF PROPERTY: $126 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $74,154 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 134 DATE OF DISTRIBUTION: 05/14/2024 GRANT RECIPIENT: ELECTRONIC FRONTIER FOUNDATION INC FMV OF PROPERTY: $49,533 BOOK VALUE OF PROPERTY: $84 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $49,533 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 27 DATE OF DISTRIBUTION: 05/14/2024 GRANT RECIPIENT: GLYNWOOD CENTER INC FMV OF PROPERTY: $10,011 BOOK VALUE OF PROPERTY: $17 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $10,011 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 340 DATE OF DISTRIBUTION: 05/14/2024 GRANT RECIPIENT: LIGHTHOUSE WORKS INC FMV OF PROPERTY: $120,804 BOOK VALUE OF PROPERTY: $214 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $120,804 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 267 DATE OF DISTRIBUTION: 05/14/2024 GRANT RECIPIENT: TEACHING LAB FMV OF PROPERTY: $98,697 BOOK VALUE OF PROPERTY: $98,048 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $98,697 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 267 DATE OF DISTRIBUTION: 05/14/2024 GRANT RECIPIENT: TEACHING MATTERS INC FMV OF PROPERTY: $98,996 BOOK VALUE OF PROPERTY: $98,049 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $98,996 DESCRIPTION OF PROPERTY: MONGODB INC CL A UNITS: 54 DATE OF DISTRIBUTION: 05/14/2024 GRANT RECIPIENT: THE NEW YORK COMMUNITY TRUST FMV OF PROPERTY: $20,022 BOOK VALUE OF PROPERTY: $34 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $20,022 DESCRIPTION OF PROPERTY: COINBASE GLOBAL UNITS: 642 DATE OF DISTRIBUTION: 07/22/2024 GRANT RECIPIENT: BILLION OYSTER PROJECT FMV OF PROPERTY: $155,499 BOOK VALUE OF PROPERTY: $266 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $155,499 DESCRIPTION OF PROPERTY: COINBASE GLOBAL UNITS: 642 DATE OF DISTRIBUTION: 07/22/2024 GRANT RECIPIENT: LIGHTHOUSE WORKS INC FMV OF PROPERTY: $155,499 BOOK VALUE OF PROPERTY: $266 CASH PORTION OF GRANT: $- TOTAL AMOUNT OF GRANT: $155,499 |
| GeneralExplanationAttachment/GeneralExplanationGrp/MediumExplanationTxt | 2 | One or more partnerships have provided a Schedule K-3 for the tax year in which they have checked one or more of the boxes in Part I but not provided sufficient back-up information to allow the Foundation to verify why such boxes were checked or the extent to which the checking of such boxes affects any item on this return. The Foundation has prepared this return to the best of its ability and without any foreign filings for such partnerships based on the information provided to it by these partnerships and on the basis of having received no information to the contrary. Any missing or incomplete information is due to the Foundation's inability to obtain such information and is not a willful attempt to withhold such information. |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 0 | 713518 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 1 | 254405 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 2 | 525327 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 3 | 572711 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 4 | 861760 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 5 | 9378254 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 6 | 151048 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 7 | 586093 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 8 | 281010 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 9 | 4520845 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 10 | 695211 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 11 | 567767 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 12 | 710513 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 13 | 6305258 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 14 | 344534 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 15 | 601400 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 16 | 638963 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 17 | 6531605 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 18 | 4842827 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 19 | 7253874 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYBookValueAmt | 20 | 738397 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 0 | 1098909 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 1 | 836603 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 2 | 1225074 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 3 | 607293 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 4 | 951917 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 5 | 7214356 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 6 | 415364 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 7 | 601904 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 8 | 966500 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 9 | 2866124 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 10 | 849699 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 11 | 810295 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 12 | 965272 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 13 | 6108878 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 14 | 322478 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 15 | 582390 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 16 | 889808 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 17 | 6216539 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 18 | 5101334 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 19 | 9246387 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/EOYFMVAmt | 20 | 1143117 |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 0 | AIRBUS GROUP SE |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 1 | ALPHABET INC CL C |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 2 | AMAZON COM |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 3 | APOLLO GLOBAL MANAGEMENT, INC |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 4 | CHARLES SCHWAB CORP |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 5 | COINBASE GLOBAL |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 6 | LOWES COMPANIES INC |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 7 | META PLATFORMS INC |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 8 | MICROSOFT CORP |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 9 | MONGODB INC CL A |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 10 | MOODYS CORP |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 11 | S&P GLOBAL INC COM |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 12 | SAFRAN S.A. ORD SHS |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 13 | SPDR PORTFOLIO SHORT TERM CORP |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 14 | STARBUCKS CORP COM |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 15 | UBER |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 16 | UNITEDHEALTH GROUP INC |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 17 | VANGUARD SHORT TERM CORPORATE |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 18 | VANGUARD TOTAL INTERNATIONAL S |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 19 | VANGUARD TOTAL STOCK MARKET ET |
| InvestmentsCorpStockSchedule/InvestmentsCorporateStockGrp/StockNm | 20 | VISA INC |
| InvestmentsGovtObligationsSch/USGovtObligationsBookVlEOYAmt | 0 | 19045788 |
| InvestmentsGovtObligationsSch/USGovtObligationsEOYFMVAmt | 0 | 19193366 |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/BookValueAmt | 0 | 676602 |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/BookValueAmt | 1 | 163562 |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/BookValueAmt | 2 | 1076938 |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/BookValueAmt | 3 | 3027674 |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/BookValueAmt | 4 | 126001 |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/BookValueAmt | 5 | 1180108 |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/BookValueAmt | 6 | 2264126 |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/CategoryOrItemTxt | 0 | ARCH VENTURES FUND XI |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/CategoryOrItemTxt | 1 | BITCOIN |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/CategoryOrItemTxt | 2 | CNK FUND III-B LP |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/CategoryOrItemTxt | 3 | EMINENCE PARTNERS LONG LP |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/CategoryOrItemTxt | 4 | ETHEREUM |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/CategoryOrItemTxt | 5 | PLACEHOLDER FUND I LP |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/CategoryOrItemTxt | 6 | SHERIDAN SQUARE FUND II LP |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/EOYFMVAmt | 0 | 925828 |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/EOYFMVAmt | 1 | 2004222 |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/EOYFMVAmt | 2 | 1942780 |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/EOYFMVAmt | 3 | 3278235 |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/EOYFMVAmt | 4 | 1616944 |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/EOYFMVAmt | 5 | 2633275 |
| InvestmentsOtherSchedule2/InvestmentsOtherGrp/EOYFMVAmt | 6 | 2691093 |
| IRS990PF/AnalysisIncomeProducingActyGrp/DividendsAndInterestFromSecDtl/ExclusionAmt | 0 | 1165522 |
| IRS990PF/AnalysisIncomeProducingActyGrp/DividendsAndInterestFromSecDtl/ExclusionCd | 0 | 14 |
| IRS990PF/AnalysisIncomeProducingActyGrp/GainSalesAstOthThanInvntryGrp/ExclusionAmt | 0 | 8633020 |
| IRS990PF/AnalysisIncomeProducingActyGrp/GainSalesAstOthThanInvntryGrp/ExclusionCd | 0 | 18 |
| IRS990PF/AnalysisIncomeProducingActyGrp/IntOnSavAndTempCashInvstGrp/ExclusionAmt | 0 | 16585 |
| IRS990PF/AnalysisIncomeProducingActyGrp/IntOnSavAndTempCashInvstGrp/ExclusionCd | 0 | 14 |
| IRS990PF/AnalysisIncomeProducingActyGrp/OtherRevenueDescribedGrp/BusinessCd | 0 | 525990 |
| IRS990PF/AnalysisIncomeProducingActyGrp/OtherRevenueDescribedGrp/Desc | 0 | K-1 Inc/Loss |
| IRS990PF/AnalysisIncomeProducingActyGrp/OtherRevenueDescribedGrp/Desc | 1 | Federal Tax Refund |
| IRS990PF/AnalysisIncomeProducingActyGrp/OtherRevenueDescribedGrp/ExclusionAmt | 0 | 29667 |
| IRS990PF/AnalysisIncomeProducingActyGrp/OtherRevenueDescribedGrp/ExclusionAmt | 1 | 744 |
| IRS990PF/AnalysisIncomeProducingActyGrp/OtherRevenueDescribedGrp/ExclusionCd | 0 | 14 |
| IRS990PF/AnalysisIncomeProducingActyGrp/OtherRevenueDescribedGrp/ExclusionCd | 1 | 01 |
| IRS990PF/AnalysisIncomeProducingActyGrp/OtherRevenueDescribedGrp/UnrelatedBusinessTaxblIncmAmt | 0 | 28127 |
| IRS990PF/AnalysisIncomeProducingActyGrp/SubtotalsIncmProducingActyGrp/ExclusionAmt | 0 | 9845538 |
| IRS990PF/AnalysisIncomeProducingActyGrp/SubtotalsIncmProducingActyGrp/UnrelatedBusinessTaxblIncmAmt | 0 | 28127 |
| IRS990PF/AnalysisIncomeProducingActyGrp/TotalIncomeProducingActyAmt | 0 | 9873665 |
| IRS990PF/AnalysisOfRevenueAndExpenses/AccountingFeesAdjNetIncmAmt | 0 | 0 |
| IRS990PF/AnalysisOfRevenueAndExpenses/AccountingFeesChrtblPrpsAmt | 0 | 5845 |
| IRS990PF/AnalysisOfRevenueAndExpenses/AccountingFeesNetInvstIncmAmt | 0 | 0 |
| IRS990PF/AnalysisOfRevenueAndExpenses/AccountingFeesRevAndExpnssAmt | 0 | 5845 |
| IRS990PF/AnalysisOfRevenueAndExpenses/AdjustedNetIncomeAmt | 0 | 0 |
| IRS990PF/AnalysisOfRevenueAndExpenses/CapGainNetIncmNetInvstIncmAmt | 0 | 14525020 |
| IRS990PF/AnalysisOfRevenueAndExpenses/CompOfcrDirTrstRevAndExpnssAmt | 0 | 0 |
| IRS990PF/AnalysisOfRevenueAndExpenses/ContriPaidDsbrsChrtblAmt | 0 | 2322108 |
| IRS990PF/AnalysisOfRevenueAndExpenses/ContriPaidRevAndExpnssAmt | 0 | 2322108 |
| IRS990PF/AnalysisOfRevenueAndExpenses/ContriRcvdRevAndExpnssAmt | 0 | 15273756 |
| IRS990PF/AnalysisOfRevenueAndExpenses/DividendsNetInvstIncmAmt | 0 | 1165522 |
| IRS990PF/AnalysisOfRevenueAndExpenses/DividendsRevAndExpnssAmt | 0 | 1165522 |
| IRS990PF/AnalysisOfRevenueAndExpenses/ExcessRevenueOverExpensesAmt | 0 | 22283223 |
| IRS990PF/AnalysisOfRevenueAndExpenses/GrossSalesPriceAmt | 0 | 25023680 |
| IRS990PF/AnalysisOfRevenueAndExpenses/InterestOnSavNetInvstIncmAmt | 0 | 16585 |
| IRS990PF/AnalysisOfRevenueAndExpenses/InterestOnSavRevAndExpnssAmt | 0 | 16585 |
| IRS990PF/AnalysisOfRevenueAndExpenses/LegalFeesAdjNetIncmAmt | 0 | 0 |
| IRS990PF/AnalysisOfRevenueAndExpenses/LegalFeesDsbrsChrtblAmt | 0 | 9517 |
| IRS990PF/AnalysisOfRevenueAndExpenses/LegalFeesNetInvstIncmAmt | 0 | 0 |
| IRS990PF/AnalysisOfRevenueAndExpenses/LegalFeesRevAndExpnssAmt | 0 | 9517 |
| IRS990PF/AnalysisOfRevenueAndExpenses/NetGainSaleAstRevAndExpnssAmt | 0 | 8633020 |
| IRS990PF/AnalysisOfRevenueAndExpenses/NetInvestmentIncomeAmt | 0 | 15546367 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OthEmplSlrsWgsDsbrsChrtblAmt | 0 | 166042 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OthEmplSlrsWgsRevAndExpnssAmt | 0 | 166042 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherExpensesDsbrsChrtblAmt | 0 | 90928 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherExpensesNetInvstIncmAmt | 0 | 80519 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherExpensesRevAndExpnssAmt | 0 | 171348 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherIncomeNetInvstIncmAmt | 0 | 29667 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherIncomeRevAndExpnssAmt | 0 | 58538 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherProfFeesNetInvstIncmAmt | 0 | 104211 |
| IRS990PF/AnalysisOfRevenueAndExpenses/OtherProfFeesRevAndExpnssAmt | 0 | 104211 |
| IRS990PF/AnalysisOfRevenueAndExpenses/PensionEmplBnftDsbrsChrtblAmt | 0 | 26459 |
| IRS990PF/AnalysisOfRevenueAndExpenses/PensionEmplBnftRevAndExpnssAmt | 0 | 26459 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TaxesNetInvstIncmAmt | 0 | 5697 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TaxesRevAndExpnssAmt | 0 | 56236 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalExpensesAdjNetIncmAmt | 0 | 0 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalExpensesDsbrsChrtblAmt | 0 | 2623331 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalExpensesNetInvstIncmAmt | 0 | 190427 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalExpensesRevAndExpnssAmt | 0 | 2864198 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalNetInvstIncmAmt | 0 | 15736794 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotalRevAndExpnssAmt | 0 | 25147421 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotOprExpensesAdjNetIncmAmt | 0 | 0 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotOprExpensesDsbrsChrtblAmt | 0 | 301223 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotOprExpensesNetInvstIncmAmt | 0 | 190427 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TotOprExpensesRevAndExpnssAmt | 0 | 542090 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TravConfMeetingDsbrsChrtblAmt | 0 | 2432 |
| IRS990PF/AnalysisOfRevenueAndExpenses/TravConfMeetingRevAndExpnssAmt | 0 | 2432 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/CostOrOtherBasisAmt | 0 | 11208050 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/GainOrLossAmt | 0 | 13815630 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/GainOrLossAmt | 1 | 709390 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/GainsMinusExcessOrLossesAmt | 0 | 13815630 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/GrossSalesPriceAmt | 0 | 25023680 |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/PropertyDesc | 0 | Publicly-traded Securities |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapGainsLossTxInvstIncmGrp/PropertyDesc | 1 | Passthrough K1 Capital Gain/(Loss) |
| IRS990PF/CapGainsLossTxInvstIncmDetail/CapitalGainNetIncomeAmt | 0 | 14525020 |
| IRS990PF/ChgInNetAssetsFundBalancesGrp/ExcessRevenueOverExpensesAmt | 0 | 22283223 |
| IRS990PF/ChgInNetAssetsFundBalancesGrp/OtherIncreasesAmt | 0 | 991128 |
| IRS990PF/ChgInNetAssetsFundBalancesGrp/SubtotalAmt | 0 | 75077835 |
| IRS990PF/ChgInNetAssetsFundBalancesGrp/TotNetAstOrFundBalancesBOYAmt | 0 | 51803484 |
| IRS990PF/ChgInNetAssetsFundBalancesGrp/TotNetAstOrFundBalancesEOYAmt | 0 | 75077835 |
| IRS990PF/DistributableAmountGrp/DistributableAsAdjustedAmt | 0 | 3262155 |
| IRS990PF/DistributableAmountGrp/DistributableBeforeAdjAmt | 0 | 3262155 |
| IRS990PF/DistributableAmountGrp/DistributableBeforeDedAmt | 0 | 3262155 |
| IRS990PF/DistributableAmountGrp/IncomeTaxAmt | 0 | 2090 |
| IRS990PF/DistributableAmountGrp/MinimumInvestmentReturnAmt | 0 | 3480340 |
| IRS990PF/DistributableAmountGrp/TaxBasedOnInvestmentIncomeAmt | 0 | 216095 |
| IRS990PF/DistributableAmountGrp/TotalTaxAmt | 0 | 218185 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/AppliedToESTaxAmt | 0 | 1502 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/EsPenaltyAmt | 0 | 0 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/EstimatedPlusOvpmtIncmTxAmt | 0 | 54197 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/ExemptFrgnOrgTaxWthldAtSrceAmt | 0 | 0 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/ExtsnRequestIncomeTaxPaidAmt | 0 | 163400 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/Form2220AttachedInd | 0 | X |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/InvestmentIncomeExciseTaxAmt | 0 | 216095 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/OverpaymentAmt | 0 | 1502 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/SubtotalAmt | 0 | 216095 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/TaxBasedOnInvestmentIncomeAmt | 0 | 216095 |
| IRS990PF/ExciseTaxBasedOnInvstIncmGrp/TotalPaymentsAndCreditsAmt | 0 | 217597 |
| IRS990PF/FMVAssetsEOYAmt | 0 | 83747700 |
| IRS990PF/Form990PFBalanceSheetsGrp/CorporateStockBOYAmt | 0 | 37372723 |
| IRS990PF/Form990PFBalanceSheetsGrp/CorporateStockEOYAmt | 0 | 47075320 |
| IRS990PF/Form990PFBalanceSheetsGrp/CorporateStockEOYFMVAmt | 0 | 49020241 |
| IRS990PF/Form990PFBalanceSheetsGrp/OrgDoesNotFollowFASB117Ind | 0 | X |
| IRS990PF/Form990PFBalanceSheetsGrp/OtherInvestmentsBOYAmt | 0 | 7783546 |
| IRS990PF/Form990PFBalanceSheetsGrp/OtherInvestmentsEOYAmt | 0 | 8515011 |
| IRS990PF/Form990PFBalanceSheetsGrp/OtherInvestmentsEOYFMVAmt | 0 | 15092377 |
| IRS990PF/Form990PFBalanceSheetsGrp/RetainedEarningBOYAmt | 0 | 51803484 |
| IRS990PF/Form990PFBalanceSheetsGrp/RetainedEarningEOYAmt | 0 | 75077835 |
| IRS990PF/Form990PFBalanceSheetsGrp/SavAndTempCashInvstBOYAmt | 0 | 436083 |
| IRS990PF/Form990PFBalanceSheetsGrp/SavAndTempCashInvstEOYAmt | 0 | 441716 |
| IRS990PF/Form990PFBalanceSheetsGrp/SavAndTempCashInvstEOYFMVAmt | 0 | 441716 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalAssetsBOYAmt | 0 | 51803484 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalAssetsEOYAmt | 0 | 75077835 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalAssetsEOYFMVAmt | 0 | 83747700 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalLiabilitiesBOYAmt | 0 | 0 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalLiabilitiesEOYAmt | 0 | 0 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalLiabilitiesNetAstBOYAmt | 0 | 51803484 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotalLiabilitiesNetAstEOYAmt | 0 | 75077835 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotNetAstOrFundBalancesBOYAmt | 0 | 51803484 |
| IRS990PF/Form990PFBalanceSheetsGrp/TotNetAstOrFundBalancesEOYAmt | 0 | 75077835 |
| IRS990PF/Form990PFBalanceSheetsGrp/USGovernmentObligationsBOYAmt | 0 | 6211132 |
| IRS990PF/Form990PFBalanceSheetsGrp/USGovernmentObligationsEOYAmt | 0 | 19045788 |
| IRS990PF/Form990PFBalanceSheetsGrp/USGovtObligationsEOYFMVAmt | 0 | 19193366 |
| IRS990PF/MethodOfAccountingCashInd | 0 | X |
| IRS990PF/MinimumInvestmentReturnGrp/AcquisitionIndebtednessAmt | 0 | 0 |
| IRS990PF/MinimumInvestmentReturnGrp/AdjustedTotalFMVOfUnusedAstAmt | 0 | 70666802 |
| IRS990PF/MinimumInvestmentReturnGrp/AverageMonthlyCashBalancesAmt | 0 | 622221 |
| IRS990PF/MinimumInvestmentReturnGrp/AverageMonthlyFMVOfSecAmt | 0 | 58573370 |
| IRS990PF/MinimumInvestmentReturnGrp/CashDeemedCharitableAmt | 0 | 1060002 |
| IRS990PF/MinimumInvestmentReturnGrp/FMVAllOtherNoncharitableAstAmt | 0 | 11471211 |
| IRS990PF/MinimumInvestmentReturnGrp/MinimumInvestmentReturnAmt | 0 | 3480340 |
| IRS990PF/MinimumInvestmentReturnGrp/NetVlNoncharitableAssetsAmt | 0 | 69606800 |
| IRS990PF/MinimumInvestmentReturnGrp/TotalFMVOfUnusedAssetsAmt | 0 | 70666802 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationHighestPaidEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 40.0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationHighestPaidEmplGrp/CompensationAmt | 0 | 166042 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationHighestPaidEmplGrp/EmployeeBenefitsAmt | 0 | 13452 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationHighestPaidEmplGrp/PersonNm | 0 | SOFIA GARCELON |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationHighestPaidEmplGrp/TitleTxt | 0 | EXECUTIVE DIRECTOR |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationHighestPaidEmplGrp/USAddress/AddressLine1Txt | 0 | PO BOX 855 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationHighestPaidEmplGrp/USAddress/CityNm | 0 | OLD LYME |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationHighestPaidEmplGrp/USAddress/StateAbbreviationCd | 0 | CT |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationHighestPaidEmplGrp/USAddress/ZIPCd | 0 | 06371 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationOfHghstPdCntrctGrp/BusinessName/BusinessNameLine1Txt | 0 | Fidelity |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationOfHghstPdCntrctGrp/BusinessName/BusinessNameLine1Txt | 1 | Foundation Source |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationOfHghstPdCntrctGrp/CompensationAmt | 0 | 97616 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationOfHghstPdCntrctGrp/CompensationAmt | 1 | 78628 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationOfHghstPdCntrctGrp/ServiceTypeTxt | 0 | Investment Mgmt |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationOfHghstPdCntrctGrp/ServiceTypeTxt | 1 | Administrative |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationOfHghstPdCntrctGrp/USAddress/AddressLine1Txt | 0 | 1261 Post Road |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationOfHghstPdCntrctGrp/USAddress/AddressLine1Txt | 1 | 55 Walls Drive Suite 302 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationOfHghstPdCntrctGrp/USAddress/CityNm | 0 | FAIRFIELD |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationOfHghstPdCntrctGrp/USAddress/CityNm | 1 | Fairfield |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationOfHghstPdCntrctGrp/USAddress/StateAbbreviationCd | 0 | CT |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationOfHghstPdCntrctGrp/USAddress/StateAbbreviationCd | 1 | CT |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationOfHghstPdCntrctGrp/USAddress/ZIPCd | 0 | 06824 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/CompensationOfHghstPdCntrctGrp/USAddress/ZIPCd | 1 | 06824 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/AverageHrsPerWkDevotedToPosRt | 0 | 1.0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/AverageHrsPerWkDevotedToPosRt | 1 | 1.0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt | 0 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/CompensationAmt | 1 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/EmployeeBenefitProgramAmt | 0 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/EmployeeBenefitProgramAmt | 1 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/ExpenseAccountOtherAllwncAmt | 0 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/ExpenseAccountOtherAllwncAmt | 1 | 0 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm | 0 | Mary Buttrick Burnham |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/PersonNm | 1 | R Bradford Burnham III |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt | 0 | Trustee |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/TitleTxt | 1 | Trustee |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt | 0 | Foundation Source 501 Silverside Rd |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/AddressLine1Txt | 1 | Foundation Source 501 Silverside Rd |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm | 0 | Wilmington |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/CityNm | 1 | Wilmington |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd | 0 | DE |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/StateAbbreviationCd | 1 | DE |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd | 0 | 198091377 |
| IRS990PF/OfficerDirTrstKeyEmplInfoGrp/OfficerDirTrstKeyEmplGrp/USAddress/ZIPCd | 1 | 198091377 |
| IRS990PF/Organization501c3ExemptPFInd | 0 | X |
| IRS990PF/PFQualifyingDistributionsGrp/CharitableAssetsAcquisPaidAmt | 0 | 0 |
| IRS990PF/PFQualifyingDistributionsGrp/ExpensesAndContributionsAmt | 0 | 2623331 |
| IRS990PF/PFQualifyingDistributionsGrp/ProgramRelatedInvstTotalAmt | 0 | 0 |
| IRS990PF/PFQualifyingDistributionsGrp/QualifyingDistributionsAmt | 0 | 2623331 |
| IRS990PF/PFQualifyingDistributionsGrp/SetAsideCashDistriTestAmt | 0 | 0 |
| IRS990PF/PFQualifyingDistributionsGrp/SetAsideSuitabilityTestAmt | 0 | 0 |
| IRS990PF/StatementsRegardingActy4720Grp/ActsFailToQlfyAsExceptionsInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/BrrwOrLendDisqualifiedPrsnInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/BusinessHoldingsInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/FurnGoodsDisqualifiedPrsnInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/GrantsToIndividualsInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/GrantsToOrganizationsInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/InfluenceElectionInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/InfluenceLegislationInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/JeopardyInvestmentsInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/NoncharitablePurposeInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/PayCompDisqualifiedPrsnInd | 0 | true |
| IRS990PF/StatementsRegardingActy4720Grp/PaymentToGovernmentOfficialInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/PayPremiumsPrsnlBnftCntrctInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/ProhibitedTaxShelterTransInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/RcvFndsToPayPrsnlBnftCntrctInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/SaleOrExchDisqualifiedPrsnInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/SubjToTaxRmnrtnExPrchtPymtInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/TransferAstDisqualifiedPrsnInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/UncorrectedPriorActsInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/UncorrectedPYJeopardyInvstInd | 0 | false |
| IRS990PF/StatementsRegardingActy4720Grp/UndistributedIncomePYInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/ActivitiesNotPreviouslyRptInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/AtLeast5000InAssetsInd | 0 | true |
| IRS990PF/StatementsRegardingActyGrp/ChangesToArticlesOrBylawsInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/ComplyWithPublicInspRqrInd | 0 | true |
| IRS990PF/StatementsRegardingActyGrp/DonorAdvisedFundInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/ForeignAccountsQuestionInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/Form1120POLFiledInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/Form990PFFiledWithAttyGenInd | 0 | true |
| IRS990PF/StatementsRegardingActyGrp/Form990TFiledInd | 0 | true |
| IRS990PF/StatementsRegardingActyGrp/LegislativePoliticalActyInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/AddressLine1Txt | 0 | 501 Silverside Road Suite 123 |
| IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/CityNm | 0 | Wilmington |
| IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/StateAbbreviationCd | 0 | DE |
| IRS990PF/StatementsRegardingActyGrp/LocationOfBooksUSAddress/ZIPCd | 0 | 198091377 |
| IRS990PF/StatementsRegardingActyGrp/MoreThan100SpentInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/NewSubstantialContributorsInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/OrganizationDissolvedEtcInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/OrgReportOrRegisterStateCd | 0 | NY |
| IRS990PF/StatementsRegardingActyGrp/OwnControlledEntityInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/PersonsWithBooksName/BusinessNameLine1Txt | 0 | Foundation Source |
| IRS990PF/StatementsRegardingActyGrp/PhoneNum | 0 | 8008391754 |
| IRS990PF/StatementsRegardingActyGrp/PrivateOperatingFoundationInd | 0 | false |
| IRS990PF/StatementsRegardingActyGrp/Section508eRqrSatisfiedInd | 0 | true |
| IRS990PF/StatementsRegardingActyGrp/UnrelatedBusIncmOverLimitInd | 0 | true |
| IRS990PF/SupplementaryInformationGrp/ContributingManagerNm | 0 | Mary Buttrick Burnham |
| IRS990PF/SupplementaryInformationGrp/ContributingManagerNm | 1 | R Bradford Burnham III |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 0 | 50000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 1 | 49533 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 2 | 100907 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 3 | 155499 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 4 | 40505 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 5 | 50000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 6 | 24842 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 7 | 10000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 8 | 10304 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 9 | 74154 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 10 | 24842 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 11 | 24842 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 12 | 49533 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 13 | 24842 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 14 | 24767 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 15 | 24842 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 16 | 35000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 17 | 73931 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 18 | 25000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 19 | 10011 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 20 | 25000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 21 | 25000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 22 | 120804 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 23 | 155499 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 24 | 25227 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 25 | 60402 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 26 | 200000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 27 | 24842 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 28 | 98697 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 29 | 50000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 30 | 15000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 31 | 25227 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 32 | 8157 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 33 | 20022 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 34 | 20000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 35 | 98697 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 36 | 98996 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 37 | 50000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 38 | 15000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 39 | 42500 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 40 | 20022 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 41 | 10000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 42 | 100000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 43 | 100000 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/Amt | 44 | 29662 |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 0 | General & Unrestricted |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 1 | General & Unrestricted (see general explanation) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 2 | General & Unrestricted (see general explanation) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 3 | Mitigation Bank Development Fund (see general explanation) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 4 | Scholarship Fund; General & Unrestricted (see general explanation) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 5 | FBO Magpie Literacy for ROAR Integration Work |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 6 | Catalyst Fund and Data Visualization Fund (see general explanation) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 7 | Artist in Residence Program |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 8 | General & Unrestricted (see general explanation) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 9 | General & Unrestricted (see general explanation) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 10 | General & Unrestricted (see general explanation) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 11 | General & Unrestricted (see general explanation) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 12 | General & Unrestricted (see general explanation) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 13 | General & Unrestricted (see general explanation) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 14 | General & Unrestricted (see general explanation) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 15 | General & Unrestricted (see general explanation) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 16 | General & Unrestricted |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 17 | General & Unrestricted (see general explanation) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 18 | NYC Public Schools Educator and Student Programming at the Arts Hub - Studio Artist Stipends and Fund for Public Schools' Administrative Fee |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 19 | General & Unrestricted (see general explanation) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 20 | General & unrestricted; Seagrass coalition |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 21 | Exploring Creative Futures |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 22 | General & Unrestricted (see general explanation) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 23 | Hoffort House Maintenance Reserve Fund (see general explanation) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 24 | General & Unrestricted (see general explanation) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 25 | Wetland Mitigation (see general explanation) |
| IRS990PF/SupplementaryInformationGrp/GrantOrContributionPdDurYrGrp/GrantOrContributionPurposeTxt | 26 | General & Unrestricted |
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