Liabilities / Assets
54th percentile
Higher debt load relative to assets than 54% of similar nonprofits.
The Southampton Hospital Foundation Inc
EIN 11-3466516 • 501(c)3 • Southampton, NY
Profile
The southampton hospital foundation, inc., a separate nonprofit corporation with an independent board of trustees, supports stony brook southampton hospital's mission to deliver healthcare services and expand clinical programs to meet the needs of its east endcommunities. Although the southampton hospital foundation, inc., has existed for some time, recent changes to its structure and mission have put greater emphasis on fund raising for and increased public awareness of the hospital's programs and services. The foundation concentrates its efforts on increasing critical philanthropic support to ensure high-quality healthcare for all our neighbors on the east end. In 2023, we anticipate furthering monies raised toward the new goal for the east hampton emergency department of $50m resulting from post-covid supply cost increases, as well as furthering the capital campaign to build a new stony brook southampton hospital.
Siviq Scores
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
0.38x
Liabilities / Revenue
45th percentile
Higher debt load relative to revenue than 45% of similar nonprofits.
Net Margin
7th percentile
Higher net margin than 7% of similar nonprofits.
Top Officer Pay
6th percentile
Higher top officer pay than 6% of similar nonprofits.
Top officer pay equals 1.4% of source-year revenue.
Asset Growth
3rd percentile
Faster asset growth than 3% of similar nonprofits.
Revenue Growth
62nd percentile
Faster revenue growth than 62% of similar nonprofits.
Balance Sheet
Assets
Down$13,997,166
Down $7,670,520 (-35%) from 2023
Liabilities
Up$5,267,365
Up $1,560,980 (+42%) from 2023
Net Assets
Down$8,729,801
Down $9,231,500 (-51%) from 2023
Revenue
Up$19,953,326
Up $2,227,408 (+13%) from 2023
Expenses
Up$28,288,454
Up $6,881,222 (+32%) from 2023
Net Income
Down-$8,335,128
Down $4,653,814 (-126%) from 2023
Trend Graphs
Filings
Most recent year
2024 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
- Assets
- $13,997,166
- Liabilities
- $5,267,365
- Net assets
- $8,729,801
- Revenue
- $19,953,326
- Expenses
- $28,288,454
- Net income
- -$8,335,128
Latest Filing Detail
Jump To
Filing Snapshot
- Filing Period
- Jan 1, 2024 to Dec 31, 2024
- Signed
- Nov 12, 2025
- Return Version
- 2024v5.2
- Gross Receipts
- $58,961,724
Mission and Program Overview
Mission
The Southampton Hospital Foundation, Inc., a separate nonprofit corporation with an independent Board of Trustees, supports Stony Brook Southampton Hospital's mission to deliver healthcare services and expand clinical programs to meet the needs of its East End communities. Although the Southampton Hospital Foundation, Inc., has existed for some time, recent changes to its structure and mission have put greater emphasis on fund raising for and increased public awareness of the hospital's programs and services. The Foundation concentrates its efforts on increasing critical philanthropic support to ensure high-quality healthcare for all of our neighbors on the East End. In 2021 we reached our fundraising goal of $35 including securing a match of $6M thanks to the Shelby Cullom Davis Foundation. We also began the quiet phase of our Capital Campaign for the new Stony Brook Southampton Hospital.
To heighten awareness, promote goodwill and maximize private philanthropy to advance and strengthen the mission and vision of stony brook southampton hospital as well as southampton hospitalassociation, a related 501(c)(3) organization.
Balance Sheet Detail
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Savings and Temporary Cash Investments | $19,645,781 | $8,358,518 | ▼ $11,287,263 |
| Pledges and Grants Receivable | $1,439,578 | $3,057,350 | ▲ $1,617,772 |
| Cash and Non-Interest-Bearing Accounts | $582,327 | $2,485,210 | ▲ $1,902,883 |
| Prepaid Expenses and Deferred Charges | - | $96,088 | - |
| Total Assets | $21,667,686 | $13,997,166 | ▼ $7,670,520 |
| Liabilities | |||
| Other Liabilities | $3,706,385 | $5,263,403 | ▲ $1,557,018 |
| Accounts Payable and Accrued Expenses | - | $3,962 | - |
| Total Liabilities | $3,706,385 | $5,267,365 | ▲ $1,560,980 |
| Net Assets / Fund Balance | |||
| Net Assets With Donor Restrictions | $15,245,201 | $5,916,013 | ▼ $9,329,188 |
| Net Assets Without Donor Restrictions | $2,716,100 | $2,813,788 | ▲ $97,688 |
| Total Net Assets Fund Balance | $17,961,301 | $8,729,801 | ▼ $9,231,500 |
| Total Liabilities and Net Assets / Fund Balance | $21,667,686 | $13,997,166 | ▼ $7,670,520 |
Compensation and Service Providers
Employees
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Julia Mccormack | President & CDO | FT | $247,360 | $32,469 | $279,829 |
Board Members and Trustees
| Name | Title |
|---|---|
| Howard M Lorber | Chairman Thru 6/24 |
| Emily Mastaler | President & CAO, Ex-officio |
| Adam Miller | Trustee |
| Bettina a Stelle | Trustee |
| Charles B Krusen | Trustee |
| Fr Alex Karloutsos | Trustee |
| Jackie Mitchell | Trustee |
| Jean Shafiroff | Trustee |
| John M Hadlock Esq | Trustee |
| Laura Lofaro Freeman | Trustee |
| Paul C Brennan | Trustee |
| Sarah J Wetenhall | Trustee |
| Christopher J Schultheis | Chief Financial Officer |
| Jim Forbes | Ex-officio |
| Kenneth B Wright | Ex-officio |
| Jean Remmel Little | Secretary Thru 5/24 |
| Gilbert W Harrison | Treasurer Thru 6/24 |
Highest Paid Contractors
| Contractor | Services | Location | Compensation |
|---|---|---|---|
| Rsa Catering LLC | Catering Services | DBA ELEGANT AFFAIRS, Glen Cove, NY 11542 | $192,097 |
| Dejuan Stroud INC | Event Design Services | 348 WEST 36TH ST, New York, NY 10018 | $138,000 |
| Orr Group INC | Fundraising Services | 3000 K STREET NW, Washington, DC 20007 | $129,429 |
| Luminous Designs | Event Lighting Services | 141 CENTRAL AVE UNIT F, Farmingdale, NY 11735 | $106,350 |
Revenue and Support
Revenue Composition
- Contributions and Grants
- $19,093,240
- Program Service Revenue
- $0
- Investment Income
- $1,487,353
- Other Revenue
- $-627,267
- All Other Contributions
- $17,295,335
- Change in Net Assets
- $-8,335,128
Noncash Contribution Practices
- Property subject to holding requirements
- No
- Reviewed unusual noncash gifts
- No
- Third parties used for noncash contributions
- No
Noncash Contributions
| Contribution Type | Contribution Count | Reported Amount | Valuation Method |
|---|---|---|---|
| Securities Publicly Traded | 29 | $1,395,560 | Market Quotation |
| Total Noncash Contributions | 29 | $1,395,560 | - |
Expenses and Functional Allocation
Major Expense Lines
| Line Item | Amount |
|---|---|
| Grants and Similar Amounts Paid | $26,537,160 |
| Total Fundraising Expense | $1,728,387 |
| Salaries, Compensation, and Employee Benefits | $963,738 |
| Other Expenses | $658,127 |
| Professional Fundraising Fees | $129,429 |
Functional Expense Allocation
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Grants to Domestic Orgs | $26,537,160 | - | - | $26,537,160 |
| Other Salaries and Wages | - | - | $485,088 | $485,088 |
| Current Officers, Directors, Trustees, and Key Employees | - | - | $274,360 | $274,360 |
| Fees for Services Professional Fundraising | - | - | $129,429 | $129,429 |
| Fees for Services Other | - | - | $114,788 | $114,788 |
| Comp Disqual Persons | - | - | $77,939 | $77,939 |
| Other Employee Benefits | - | - | $57,745 | $57,745 |
| Payroll Taxes | - | - | $53,934 | $53,934 |
| Occupancy | - | - | $36,607 | $36,607 |
| Other Expenses | - | - | $23,054 | $23,054 |
| Fees for Service Investment Mgmnt Fees | - | $22,907 | - | $22,907 |
| Pension Plan Contributions | - | - | $14,672 | $14,672 |
| Office Expenses | - | - | $4,957 | $4,957 |
| Travel | - | - | $4,450 | $4,450 |
| Total Functional Expenses | $26,537,160 | $22,907 | $1,728,387 | $28,288,454 |
International Activity
Grant and Assistance Recipients
| Recipient | Location | Category | Purpose | Amount |
|---|---|---|---|---|
| Southampton Hospital Association | Southampton, NY | 501 (c) (3) | General Support | $23,542,917 |
| Stony Brook Southampton Hospital | Southampton, NY | - | General Support | $2,994,243 |
Fundraising, Events, and Gaming
- Fundraising activities
- Yes
- Gaming activities
- No
- Professional fundraiser used
- Yes
Fundraising and Gaming Totals
| Line Item | Amount |
|---|---|
| Fundraising Direct Expenses | $825,932 |
| Fundraising Gross Income | $198,665 |
| Professional Fundraising Fees | $129,429 |
Fundraising Events
| Event | Gross Receipts | Gross Revenue | Direct Expenses | Net Income |
|---|---|---|---|---|
| Summer Party | $1,515,593 | $152,520 | $67,905 | $84,615 |
| Golf Tournament | $225,332 | $8,305 | $1,499 | $6,806 |
| Total Events | $1,996,570 | $198,665 | $825,932 | $-627,267 |
Political and Lobbying Activity
- Political campaign activity
- No
- Lobbying activity
- No
- Subject to proxy tax
- No
Insider Transactions and Loans
Interested-Person Transactions
| Interested Party | Relationship | Description | Shared Revenue | Amount |
|---|---|---|---|---|
| - | See Part V | Employment | No | $77,939 |
Debt and Bond Financing
Other Reported Liabilities
| Liability | Amount |
|---|---|
| Refundable Advances | $4,883,816 |
| Due to Stony Brook Southhampton | $379,587 |
Governance and Compliance
Governance Checklist
- Compiled or reviewed by an accountant
- No
- Annual disclosure for covered persons
- Yes
- Audit committee
- Yes
- Backup withholding compliance
- Yes
- Business relationship with 35% controlled entity
- No
- Business relationship with family members
- Yes
- Business relationship with organization members
- No
- Material changes to governing documents
- No
- Compensation from other sources disclosed
- No
- CEO compensation reviewed
- No
- Other officer compensation reviewed
- Yes
- Conflict-of-interest policy
- Yes
- Audited financial statements prepared
- Yes
- Key decisions subject to board approval
- Yes
- Management duties delegated
- No
Governance Explanations
FORM 990, PART I, LINE 5; PART V, LINE 2A; PART VII, SECTION A:
“Line 1 and schedule j: the southampton hospital foundation, inc. Does not employ any employees directly. The form w-2 for julia mccormack, president & cdo of the organization, is issued by the southampton professional employer organization (peo).”
Form 990, Part VI, Section A, Line 6
“Southampton hospital association is the parent company of the southampton hospital foundation, inc. The organization was incorporated as a member corporation with southampton hospital association as its sole member.”
Form 990, Part VI, Section A, Line 7A
“The member shall have the power to elect members of the board of trustees of the corporation and hereby delegates to the board of trustees the authority to elect members of the board of trustees.”
Form 990, Part VI, Section A, Line 7B
“The sole member of southampton hospital foundation, inc., shall be the southampton hospital association (the member). The member shall have the power to: i. Elect members of the board of trustees of the corporation and hereby delegates to the board of trustees the authority to elect members of the board of trustees; ii. Approve any dissolution, merger or sale of substantially all the assets of the corporation; iii. Authorize any amendment to the corporation's certificate of incorporation and amend or repeal any provision of the corporation's bylaws; iv. Take any other action required by law.”
Form 990, Part VI, Section B, Line 11B
“The organization has its form 990 prepared by an outside accounting firm and has established the following review process to ensure that the information reported is complete and accurate. Upon completion, the form 990 is reviewed by management and is then forwarded electronically to the members of the board of trustees for their review. Any questions or issues are then addressed by the appropriate parties prior to the filing of the return.”
Form 990, Part VI, Section B, Line 12C
“The southampton hospital foundation utilizes the southampton professional employer organization's employees to carry out its mission. Therefore, the foundation follows stony brook southampton's conflict of interest policy, as well as their whistleblower policy. Both policies are currently in place.”
Form 990, Part VI, Section B, Line 15B
“On a periodic basis, human resources conducts a salary survey/comparison for the interim chief development officer. The survey is then reviewed and any changes to compensation are approved by the chairman and treasurer of the southampton hospital foundation and the president of southampton hospital association.”
Form 990, Part VI, Section C, Line 19
“Southampton hospital foundation's form 990, as well as its financial statements and conflict of interest policy, are available for public inspection upon request, as required under section 6104 of the internal revenue code. Interested parties may request the documents at 240 meeting house lane, southampton, ny 11968 or by calling the organization directly at (631)726-8300.”
Filing and Contact Details
Filer
- Filer Name
- The Southampton Hospital Foundation Inc
- EIN
- 11-3466516
- Phone
- 6317268301
- Address
- 240 MEETING HOUSE LANE, SOUTHAMPTON, NY 11968
Signing Officer
- Name
- Christopher Schultheis
- Title
- CFO
- Phone
- 6317268301
- Signed
- 2025-11-12
- Discuss with paid preparer
- Yes
Organization Details
- Principal Officer
- Emily Mastaler
- Formed
- 1996
- Legal Domicile
- Ny
- Voting Board Members
- 9
- Independent Board Members
- 9
- Employees
- 0
- Volunteers
- 9
Preparer
- Firm
- Fustcharles Llp
- Address
- 220 S WARREN STREET, SYRACUSE, NY 13202
- Preparer
- Thomas J Giufre
- Phone
- 3154463600
Supplemental Narrative
Additional Explanations
FORM 990, PART XII, LINE 2C:
“No changes from the prior year.”
Financial Statement Notes
PART X, LINE 2:
“The southampton hospital foundation is incorporated in the state of new york and is exempt from federal, state, and local income taxes under section 501(c)(3) of the internal revenue code (the code), and therefore has made no provision for income taxes in the accompanying consolidated financial statements. In addition, the foundation has been determined by the internal revenue service (irs) not to be "private foundations" within the meaning of section 509(a) of the code. The foundation has not taken an unsubstantiated tax position that would require provision of a liability under asc 740, income taxes. Under asc 740, an organization must recognize the tax effects associated with tax positions taken for tax return purposes when it is more-likely-than-not that the position will be sustained upon examination. The foundation does not believe there are any material uncertain tax positions and, accordingly, has not recognized any liability for unrecognized tax benefits. The foundation has filed irs form 990 tax returns, as required, and all other applicable returns in jurisdictions when it is required. Tax years open to examination by federal and state taxing authorities are 2021 through 2024.”
Raw XML AppendixShowing 400 of 662 raw XML fields
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 3962 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | TO HEIGHTEN AWARENESS, PROMOTE GOODWILL AND MAXIMIZE PRIVATE PHILANTHROPY TO ADVANCE AND STRENGTHEN THE MISSION AND VISION OF STONY BROOK SOUTHAMPTON HOSPITAL AS WELL AS SOUTHAMPTON HOSPITALASSOCIATION, A RELATED 501(C)(3) ORGANIZATION. |
| IRS990/AllOtherContributionsAmt | 0 | 17295335 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | CHRISTOPHER J SCHULTHEIS |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6317268301 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 240 MEETING HOUSE LANE |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | SOUTHAMPTON |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NY |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 11968 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 1 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 582327 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 2485210 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 4 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 274360 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 274360 |
| IRS990/CompDisqualPersonsGrp/FundraisingAmt | 0 | 77939 |
| IRS990/CompDisqualPersonsGrp/TotalAmt | 0 | 77939 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 0 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 1 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 192097 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 138000 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 2 | 129429 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 3 | 106350 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | DBA ELEGANT AFFAIRS |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 348 WEST 36TH ST |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 2 | 3000 K STREET NW |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 3 | 141 CENTRAL AVE UNIT F |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | GLEN COVE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | NEW YORK |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 2 | WASHINGTON |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 3 | FARMINGDALE |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | NY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | NY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 2 | DC |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 3 | NY |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 11542 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 10018 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 2 | 20007 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 3 | 11735 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | RSA CATERING LLC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 1 | DEJUAN STROUD INC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 2 | ORR GROUP INC |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 3 | LUMINOUS DESIGNS |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | CATERING SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | EVENT DESIGN SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 2 | FUNDRAISING SERVICES |
| IRS990/ContractorCompensationGrp/ServicesDesc | 3 | EVENT LIGHTING SERVICES |
| IRS990/ContriRptFundraisingEventAmt | 0 | 1797905 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 19093240 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 26537160 |
| IRS990/CYInvestmentIncomeAmt | 0 | 1487353 |
| IRS990/CYOtherExpensesAmt | 0 | 658127 |
| IRS990/CYOtherRevenueAmt | 0 | -627267 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | -8335128 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 963738 |
| IRS990/CYTotalExpensesAmt | 0 | 28288454 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 1728387 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 129429 |
| IRS990/CYTotalRevenueAmt | 0 | 19953326 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 1 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 1 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/Desc | 0 | SEE SCHEDULE OSOUTHAMPTON HOSPITAL FOUNDATION IS THE FUND-RAISING ORGANIZATION OF THE SOUTHAMPTON HOSPITAL ASSOCIATION. A SEPARATE, NOT-FOR-PROFIT CORPORATION, THE FOUNDATION SEEKS TO HEIGHTEN AWARENESS AND MAXIMIZE PRIVATE PHILANTHROPY TO ADVANCE AND STRENGTHEN THE MISSION AND VISION OF STONY BROOK SOUTHAMPTON HOSPITAL.IN CALENDAR YEAR 2024, THE FOUNDATION RAISED A TOTAL OF $19,291,905 IN CASH AND PLEDGES, FROM PRIVATE FOUNDATIONS, BUSINESSES, AND INDIVIDUALS IN SUPPORT OF STONY BROOK SOUTHAMPTON HOSPITAL'S GENERAL AND RESTRICTED PURPOSES. OF THIS TOTAL, $17,295,335 WERE CASH CONTRIBUTIONS. CONTRIBUTIONS ARE USED TO SUPPORT GENERAL OPERATING NEEDS AS WELL AS A RANGE OF SPECIFIC CLINICAL PROGRAMS AND SERVICES, MEDICAL TECHNOLOGY, AND EQUIPMENT AS WELL AS UNCOMPENSATED CARE AND SUPPORT SERVICES FOR VULNERABLE POPULATIONS.THE FOUNDATION RAISES FUNDS THROUGH A BROAD ARRAY OF FUNDRAISING ACTIVITIES INCLUDING SPECIAL EVENTS, GRANTS, DIRECT MAIL, CAPITAL CAMPAIGNS, PLANNED GIFTS, MAJOR GIFT SOLICITATIONS AND SOCIAL NETWORKING. THE FOUNDATION ALSO COLLABORATES WITH LOCAL AND REGIONAL COMMUNITY AND FRATERNAL ORGANIZATIONS TO RAISE FUNDS TO ADVANCE THE MISSION OF STONY BROOK SOUTHAMPTON HOSPITAL.IN 2024, IN ADDITION TO UNRESTRICTED FUNDS, THE FOUNDATION UNDERTOOK FUND RAISING INITIATIVES IN SUPPORT OF KEY CLINICAL INITIATIVES THAT WERE SUPPORTIVE OF THE HOSPITAL'S STRATEGIC PLAN. THESE CLINICAL INITIATIVES INCLUDED THE STONY BROOK EAST HAMPTON EMERGENCY DEPARTMENT, THE PAULSON FAMILY EMERGENCY DEPARTMENT, THE AUDREY AND MARTIN GRUSS HEART & STROKE CENTER, THE ED & PHYLLIS DAVIS WELLNESS INSTITUTE, THE ELLEN HERMANSON BREAST CENTER, THE KATHLEEN D. ALLEN MATERNITY CENTER, THE EDIE WINDSOR HEALTHCARE CENTER, THE REGIONAL TICK-BORNE DISEASE RESOURCE CENTER, AND THE PHILLIPS FAMILY CANCER CENTER. THE FOUNDATION ALSO PLANNED AND IMPLEMENTED ITS 66TH ANNUAL SUMMER PARTY THE OBJECTIVE OF WHICH IS TO HEIGHTEN AWARENESS OF AND RAISE FUNDS IN SUPPORT OF THE HOSPITAL'S NEEDS. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 15245201 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 5916013 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 1 |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 26537160 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 114788 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 114788 |
| IRS990/FeesForServicesProfFundraising/FundraisingAmt | 0 | 129429 |
| IRS990/FeesForServicesProfFundraising/TotalAmt | 0 | 129429 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 22907 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 22907 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 1.25 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 2.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 2.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 37.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 15 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 16 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 17 | 0.50 |
| 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/IndividualTrusteeOrDirectorInd | 16 | 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 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 27000 |
| 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 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | JACKIE MITCHELL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | JEAN SHAFIROFF |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | SARAH J WETENHALL |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | LAURA LOFARO FREEMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | JIM FORBES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | FR ALEX KARLOUTSOS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | EMILY MASTALER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | ADAM MILLER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | JULIA MCCORMACK |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | PAUL C BRENNAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | BETTINA A STELLE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | KENNETH B WRIGHT |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | HOWARD M LORBER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | GILBERT W HARRISON |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | JEAN REMMEL LITTLE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 15 | JOHN M HADLOCK ESQ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 16 | CHARLES B KRUSEN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 17 | CHRISTOPHER J SCHULTHEIS |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 252829 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 15 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 16 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 17 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| 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/TitleTxt | 0 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | EX-OFFICIO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | PRESIDENT & CAO, EX-OFFICIO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | PRESIDENT & CDO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | EX-OFFICIO |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | CHAIRMAN THRU 6/24 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | TREASURER THRU 6/24 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | SECRETARY THRU 5/24 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 15 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 16 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 17 | CHIEF FINANCIAL OFFICER |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1996 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/ConsolidatedBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 1 |
| IRS990/FundraisingAmt | 0 | 1797905 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 825932 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 198665 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 878829 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 9 |
| IRS990/GrantAmt | 0 | 26537160 |
| IRS990/GrantsToDomesticOrgsGrp/ProgramServicesAmt | 0 | 26537160 |
| IRS990/GrantsToDomesticOrgsGrp/TotalAmt | 0 | 26537160 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 1 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 39061295 |
| IRS990/GrossReceiptsAmt | 0 | 58961724 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 9 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIIInd | 0 | X |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 608524 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 608524 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 20 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LegalDomicileStateCd | 0 | NY |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 38182466 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 1 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | THE SOUTHAMPTON HOSPITAL FOUNDATION, INC., A SEPARATE NONPROFIT CORPORATION WITH AN INDEPENDENT BOARD OF TRUSTEES, SUPPORTS STONY BROOK SOUTHAMPTON HOSPITAL'S MISSION TO DELIVER HEALTHCARE SERVICES AND EXPAND CLINICAL PROGRAMS TO MEET THE NEEDS OF ITS EAST ENDCOMMUNITIES. ALTHOUGH THE SOUTHAMPTON HOSPITAL FOUNDATION, INC., HAS EXISTED FOR SOME TIME, RECENT CHANGES TO ITS STRUCTURE AND MISSION HAVE PUT GREATER EMPHASIS ON FUND RAISING FOR AND INCREASED PUBLIC AWARENESS OF THE HOSPITAL'S PROGRAMS AND SERVICES. THE FOUNDATION CONCENTRATES ITS EFFORTS ON INCREASING CRITICAL PHILANTHROPIC SUPPORT TO ENSURE HIGH-QUALITY HEALTHCARE FOR ALL OUR NEIGHBORS ON THE EAST END. IN 2025, WE ANTICIPATE FURTHERING MONIES RAISED TOWARD THE NEW GOAL FOR THE EAST HAMPTON EMERGENCY DEPARTMENT OF $50M RESULTING FROM POST-COVID SUPPLY COST INCREASES, AS WELL AS FURTHERING THE CAPITAL CAMPAIGN TO BUILD A NEW STONY BROOK SOUTHAMPTON HOSPITAL. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 17961301 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 8729801 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 878829 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 878829 |
| IRS990/NetIncmFromFundraisingEvtGrp/ExclusionAmt | 0 | -627267 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | -627267 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | -896372 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 2716100 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 2813788 |
| IRS990/NoncashContributionsAmt | 0 | 1395561 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 36607 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 36607 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 4957 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 4957 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 57745 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 57745 |
| IRS990/OtherExpensesGrp/Desc | 0 | OTHER DIRECT EXPENSES |
| IRS990/OtherExpensesGrp/Desc | 1 | EVENT EXPENSES |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 451364 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 23054 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 451364 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 23054 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 3706385 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 5263403 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 485088 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 485088 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 53934 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 53934 |
| IRS990/PensionPlanContributionsGrp/FundraisingAmt | 0 | 14672 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 14672 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 1439578 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 3057350 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 96088 |
| IRS990/PrincipalOfficerNm | 0 | EMILY MASTALER |
| IRS990/ProfessionalFundraisingInd | 0 | 1 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 17452733 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 19415592 |
| IRS990/PYInvestmentIncomeAmt | 0 | 750487 |
| IRS990/PYOtherExpensesAmt | 0 | 730809 |
| IRS990/PYOtherRevenueAmt | 0 | -477302 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | -3681314 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 746335 |
| IRS990/PYTotalExpensesAmt | 0 | 21407232 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 514496 |
| IRS990/PYTotalRevenueAmt | 0 | 17725918 |
| IRS990/QuidProQuoContributionsInd | 0 | 1 |
| IRS990/QuidProQuoContriDisclInd | 0 | 1 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | -8335128 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 1 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 0 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 19645781 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 8358518 |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/ExplanationTxt | 0 | DESCRIPTION: BEQUEST DATE: 01/17/24 AMOUNT: 4793215. |
| IRS990ScheduleA/Form990ScheduleAPartVIGrp/FormAndLineReferenceDesc | 0 | SCHEDULE A, PART VI, LIST OF UNUSUAL GRANTS: |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 14300025 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 10972733 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 11393853 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 6362285 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 11488853 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 54517749 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 608524 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 479471 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 269697 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 814 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 7443 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 1365949 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.94390 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.98280 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 52750933 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 1766816 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 14300025 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 10972733 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 11393853 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 6362285 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 11488853 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 54517749 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 55883698 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | 1 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 379587 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 1 | 4883816 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | DUE TO STONY BROOK SOUTHHAMPTON |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 1 | REFUNDABLE ADVANCES |
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