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| IRS990/IndoorTanningServicesInd | 0 | false |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
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| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 0 |
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| IRS990/OtherExpensesGrp/Desc | 2 | CAM |
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| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | Taxpayer is included in a consolidated audit report with related entities (See Schedule R) and no liability for uncertain tax positions under FASB ASC 740 has been included. What follows is the text of the footnote included in such financial statements with respect to income taxes:Income Taxes - The Account has been classified as a qualified trust under Section 401(a) of the Internal Revenue Code of 1986 (the Code), and Management believes it continues to comply with the requirements of Section 501(a) of the Code. Accordingly, the Account is exempt from income taxes and no income tax provision is provided. If an uncertain tax position were to be identified, the Account would account for such in accordance with Accounting Standards Codification (ASC) Topic 740, Income Taxes. No uncertain positions were identified in the current and prior year. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Part X : FIN48 Footnote |
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| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | Client Note 1 - Form 990Part VII, Section AAs provided in the corporate bylaws of the taxpayer, all authorized officers and director of the taxpayer serve as such without compensation and, as a result, the taxpayer is precluded from paying any compensation to any of the following authorized officers/director.DIRECTOR Marc L. FelicianoAUTHORIZED OFFICERS:Marc FelicianoDarrell J. CamposJohn Casasante Timothy E. EllsworthSandra FungStephen J. GeorgeAndrew HarperW. Todd HendersonKristin StrangeJames E. ToneyVikram MehraWilliam SwiderskiPortia Guerin |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | All management duties and management decision making of the taxpayer is delegated to Rreef America, LLC and Rreef Management, LLC pursuant to the terms of certain management agreements. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | Taxpayer is organized as a nonprofit corporation under the laws of the state of Delaware. Each stockholder of the taxpayer shall at all times be either (1) a qualified pension, profit-sharing or stock bonus plan that meets the requirements of Section 401(a) of the IRC; (2) a governmental plan (within the meaning of Section 414(d) of the Code); (3) the United States, any State or political subdivision thereof, or any agency or instrumentality of the foregoing; or (4) any organization described in Section 501(c)(3) of the Code. Taxpayer has only one class of stock and such class is entitled to vote or execute consents either in person or by agent or agents authorized by written proxy. Such class of stockholder is entitled to distributions of profits or a share of the net assets upon dissolution. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | Form 990 is reviewed annually prior to filing by an officer of the management company engaged by the taxpayer to manage the operations of the taxpayer. The return is then signed by a member of the taxpayer's governing body. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | All employees of RReef Management, LLC, which includes the members of the taxpayer's governing body, are required to at least annually disclose and certify via an electronic reporting system that they have: received, read and understand all of the conflict of interest and other related policies and that understand and agree to conform with such policies. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | The corporate bylaws of the taxpayer provide that no officers of the taxpayer shall receive any compensation. All voting members of the governing body are independent as detailed in Part VI, Section A, lines 1a and 1b above. The governing body insures that this policy and corporate bylaw is enforced and none of its members nor any officer or employee of the taxpayer receives any compensation from the taxpayer. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 6 | No documents available to the public. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 7 | Depreciation = $473000 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 8 | Distribution of earnings = -$1475000 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | Client Note 1 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | Form 990, Part VI, Line 3: Description of Delegated Duties to Management Company |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | Form 990, Part VI, Line 6: Explanation of Classes of Members or Shareholder |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | Form 990, Part VI, Line 11b: Form 990 Review Process |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | Form 990, Part VI, Line 12c: Explanation of Monitoring and Enforcement of Conflicts |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | Form 990, Part VI, Line 15b: Compensation Review and Approval Process for Officers and Key Employees |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 6 | Form 990, Part VI, Line 19: Other Organization Documents Publicly Available |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 7 | Other Changes In Net Assets Or Fund Balances - Other Increases |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 8 | Other Changes In Net Assets Or Fund Balances - Other Decreases |
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| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/AddressLine1Txt | 0 | 222 South Riverside Plaza 26th Flr |
| IRS990ScheduleR/IdRelatedTaxExemptOrgGrp/USAddress/CityNm | 0 | Chicago |
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| IRS990/SubjectToProxyTaxInd | 0 | false |
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| IRS990/TotalEmployeeCnt | 0 | 0 |
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| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 0 |
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| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 1292414 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 12055549 |
| IRS990/TotalLiabilitiesEOYAmt | 0 | 11988085 |
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| IRS990/TotalLiabilitiesGrp/EOYAmt | 0 | 11988085 |
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| IRS990/TotalNetAssetsFundBalanceGrp/EOYAmt | 0 | 23115286 |
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| IRS990/TotLiabNetAssetsFundBalanceGrp/EOYAmt | 0 | 35103371 |
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| IRS990/UponRequestInd | 0 | X |
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| IRS990/VotingMembersIndependentCnt | 0 | 13 |
| IRS990/WebsiteAddressTxt | 0 | N/A |
| IRS990/WhistleblowerPolicyInd | 0 | true |
| ReturnHeader/BuildTS | 0 | 2019-02-21 02:37:17Z |
| ReturnHeader/BusinessOfficerGrp/DiscussWithPaidPreparerInd | 0 | true |
| ReturnHeader/BusinessOfficerGrp/PersonNm | 0 | William Swiderski |
| ReturnHeader/BusinessOfficerGrp/PersonTitleTxt | 0 | Vice President |
| ReturnHeader/BusinessOfficerGrp/SignatureDt | 0 | 2019-05-07 |
| ReturnHeader/Filer/BusinessName/BusinessNameLine1Txt | 0 | SDCO 5200 Patrick Henry Dr |
| ReturnHeader/Filer/BusinessNameControlTxt | 0 | SDCO |
| ReturnHeader/Filer/EIN | 0 | 471261062 |
| ReturnHeader/Filer/PhoneNum | 0 | 3125377000 |
| ReturnHeader/Filer/USAddress/AddressLine1Txt | 0 | 222 South Riverside Plaza 26th Flr |
| ReturnHeader/Filer/USAddress/CityNm | 0 | Chicago |
| ReturnHeader/Filer/USAddress/StateAbbreviationCd | 0 | IL |
| ReturnHeader/Filer/USAddress/ZIPCd | 0 | 60606 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmEIN | 0 | 680307221 |
| ReturnHeader/PreparerFirmGrp/PreparerFirmName/BusinessNameLine1Txt | 0 | Comyns Smith McCleary & Deaver LLP |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/AddressLine1Txt | 0 | 1777 Botelho Drive Suite 350 |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/CityNm | 0 | Walnut Creek |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/StateAbbreviationCd | 0 | CA |
| ReturnHeader/PreparerFirmGrp/PreparerUSAddress/ZIPCd | 0 | 94596 |
| ReturnHeader/PreparerPersonGrp/PhoneNum | 0 | 9252991040 |
| ReturnHeader/PreparerPersonGrp/PreparerPersonNm | 0 | Dan K Deaver |
| ReturnHeader/ReturnTs | 0 | 2019-05-07T12:32:32-07:00 |
| ReturnHeader/ReturnTypeCd | 0 | 990 |
| ReturnHeader/TaxPeriodBeginDt | 0 | 2018-01-01 |
| ReturnHeader/TaxPeriodEndDt | 0 | 2018-12-31 |
| ReturnHeader/TaxYr | 0 | 2018 |