Legal Entity [Axis] Equity Cumulative Dividends Fund [Member] U.S. Equity Ex-Dividends Fund-Series 2027 Us Equity Cumulative Dividends Fund [Member] Us Equity Ex Dividend Fund [Member] Financial Instrument [Axis] Us Treasury Obligations [Member] Fair Value, Hierarchy [Axis] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Investment Type [Axis] US Treasury Notes Securities [Member] Us Treasury Notes Securities One [Member] Us Treasury Notes Securities Two [Member] Us Treasury Notes Securities Three [Member] Us Treasury Notes Securities Four [Member] Us Treasury Notes Securities Five [Member] Us Treasury Notes Securities Six [Member] Us Treasury Notes Securities Seven [Member] Us Treasury Notes Securities Eight [Member] Us Treasury Notes Securities Ten [Member] Asset Class [Axis] Investments [Member] US Treasury Securities [Member] Type Of Contract [Axis] Type On Contract One [Member] Type On Contract Two [Member] Type On Contract Three [Member] Type On Contract Four [Member] Type On Contract Five [Member] Type On Contract Six [Member] Type On Contract Seven [Member] Type On Contract Eight [Member] Type On Contract Nine [Member] Type On Contract Eleven [Member] Type On Contract Ten [Member] Related Party [Axis] Sponsor [Member] Unrealized Appreciation [Member] Unrealized Depreciation [Member] Long Futures Contracts [Member] Short Futures Contracts [Member] Futures Contracts [Member] Type Of Fund [Axis] Dividend Fund [Member] Ex Dividend Fund [Member] Equity Components [Axis] Us Treasury Notes Securities Twelve [Member] Us Treasury Notes Securities Thirteen [Member] Document and Entity Information [Abstract] Entity Registrant Name Entity Central Index Key Amendment Flag Current Fiscal Year End Date Document Type Document Period End Date Document Fiscal Year Focus Entity Current Reporting Status Entity Filer Category Document Fiscal Period Focus Entity Small Business Entity Shell Company Entity Emerging Growth Company Entity Ex Transition Period Entity File Number Entity Interactive Data Current Entity Incorporation State Country Code Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Public Float Statement [Table] Statement [Line Items] U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] U.S. Equity Ex-Dividends Fund-Series 2027 [Member] Assets Investments, at Fair Value (Cost) Cash and Cash Equivalents Cash pledged as collateral for Futures Contracts Interest Receivable Receivable from Advisor Variation Margin Receivable Deferred Offering Costs Total Assets Liabilities Due to Advisor Payable to Administrator Variation Margin Payable Income Distribution Payable Other Accrued Expenses Total Liabilities Shareholders' Equity Authorized Participants (Shares Outstanding) Net Asset Value Per Share Market Price Per Share U.S. Equity Cumulative Dividends Fund-Series 2027 U.S. Equity Ex-Dividend Fund-Series 2027 Investment cost Shares Shares Outstanding Investment Holdings [Table] Net Investment Income [Line Items] 6.125%, 11/15/2027 2.250%, 12/31/2023 2.250%, 11/15/2024 2.250%, 11/15/2025 2.125%, 12/31/2022 2.000%, 12/31/2021 2.000%, 11/15/2026 1.750%, 12/31/2020 1.537%, 05/28/2020 1.625%, 12/31/2019 2.414%, 4/11/2019 U.S. Treasury Notes Principal Amount Total U.S. Treasury Obligations Total Investments 2.250%, 11/15/2024 2.250%, 11/15/2025 2.414%, 4/11/2019 U.S. Treasury Obligations Investments Investment percentage Coupon rate for this security Cost, total Percentages are based on net assets Total market value of securities pledged as collateral Percentage of net assets S&P 500 Annl Div Dec20 S&P 500 Annl Div Dec21 S&P 500 Annl Div Dec22 S&P 500 Annl Div Dec23 S&P 500 Annl Div Dec24 S&P 500 Annl Div Dec25 S&P 500 Annl Div Dec26 S&P 500 Annl Div Dec27 S&P 500 Index Mar20 S&P 500 Annl Div Dec19 S&P 500 Index Mar19 Open Futures Contracts Number of Contracts Long/(Short) Expiration Date Notional Amount Notional Value Unrealized Appreciation (Depreciation) Investment Income Interest Income Expenses Advisory Fees Administration Fees Professional Fees Custody Fees Tax Preparation Fees Other Expenses Total Expenses Less Waivers/Reimbursement of: Voluntary Waivers Net Expenses Net Investment Income Net Realized and Unrealized Gain (Loss) from Investment Activities Net Realized Gain (Loss) on Investments Net Realized Gain (Loss) on Futures Contracts Net Change in Unrealized Appreciation (Depreciation) on Investments Net Change in Unrealized Appreciation (Depreciation) on Futures Contracts Net Realized and Unrealized Gain (Loss) on Investments Net Increase (Decrease) in Net Assets Resulting from Operations Operations: Net Investment Income Net Realized Gain (Loss) on Investments and Futures Contracts Net Change in Unrealized Appreciation (Depreciation) on Investments and Futures Contracts Net Increase (Decrease) in Net Assets Resulting from Operations Distributions to Shareholders: Distributions Total Dividends and Distributions Capital Share Transactions: Issued Redeemed Net Increase (Decrease) in Net assets Resulting from Capital Share Transactions Total Increase (Decrease) in Net Assets Net Assets: Beginning of period End of period Capital Share Transactions: Beginning of Period Issued Redeemed Shares Outstanding from Capital Share Transactions Cash Flows from operating activities Net increase/(decrease) in net assets from operations Adjustments to reconcile net increase/(decrease) in net assets from operations to net cash provided by (used in) operating activities: Purchases of investments Proceeds from sale of investments Accretion of discounts and amortization of premiums Net realized (gain)/loss on investments Net change in unrealized (appreciation)/depreciation on investments (Increase)/decrease in operating assets Interest receivable Receivable from advisor Variation margin receivable Amortization of deferred offering costs Deferred offering costs Increase/(decrease) in operating liabilities Due to Advisor Payable to administrator Variation margin payable Other accrued expenses Net cash provided by (used in) operating activities Cash Flows from financing activities Proceeds from capital share issuances Capital share redemptions Dividends and distributions to shareholders Net cash provided by (used in) financing activities Net change in cash and cash equivalents Cash, cash equivalents and restricted cash, beginning of period Cash, cash equivalents and restricted cash, end of period Supplemental Disclosure of Cash Flow and Non-Cash Information: Income Distribution Payable Organization, Consolidation and Presentation of Financial Statements [Abstract] ORGANIZATION Accounting Policies [Abstract] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Investments, All Other Investments [Abstract] INVESTMENTS Agreements [Abstract] AGREEMENTS Offering and Organizational Costs [Abstract] OFFERING AND ORGANIZATIONAL COSTS Creation and Redemption of Creation Units [Abstract] CREATION AND REDEMPTION OF CREATION UNITS Investment Company, Financial Highlights [Abstract] FINANCIAL HIGHLIGHTS Risks and Uncertainties [Abstract] RISK New Accounting Pronouncements and Changes in Accounting Principles [Abstract] RECENTLY ISSUED ACCOUNTING PRONOUNCEMENT Subsequent Events [Abstract] SUBSEQUENT EVENTS Use of Estimates Concentration of Credit Risk Final Net Asset Value for Fiscal Period Fair Value of Financial Instruments Investment Transactions and Related Income Trading and Transaction Costs and Fees Income Taxes Distribution Policy Schedule of inputs used to value the funds' investments using the fair value hierarchy Schedule of futures contracts Schedule of offsetting assets and liabilities Schedule of financial highlights Organization (Textual) Capital contribution by sponsor Sale of shares, description Summary of Investment Holdings [Table] Summary of Investment Holdings [Line Items] U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] U.S. Equity Ex-Dividend Fund-Series 2027 [Member] U.S. Treasury Obligations [Member] Fair Value Hierarchy and NAV [Axis] Level 1 [Member] Level 2 [Member] Level 3 [Member] Total Investments in Securities Total Other Financial Instruments Offsetting Liabilities [Table] Offsetting Liabilities [Line Items] Long futures contracts [Member] Short futures contracts [Member] Derivative, Notional Amount Offsetting of Derivative Assets Gross Amounts of Recognized Assets Gross Amounts Offset in the Statements of Financial Condition Net Amounts Presented in the Statements of Financial Condition Gross Amounts Not Offset in the Statements of Financial Condition, Financial Instruments Gross Amounts Not Offset in the Statements of Financial Condition, Cash Collateral Pledged Gross Amounts Not Offset in the Statements of Financial Condition, Net Amount Offsetting of Derivative Liabilities Gross Amounts of Recognized Liabilities Gross Amounts Offset in the Statements of Financial Condition Net Amounts Presented in the Statements of Financial Condition Gross Amounts Not Offset in the Statements of Financial Condition, Financial Instruments Gross Amounts Not Offset in the Statements of Financial Condition, Cash collateral Pledged Gross Amounts Not Offset in the Statements of Financial Condition, Net Amount U.S. Cumulative Dividends Index-Series 2027 [Member] U.S. Equity Ex-Dividends Index-Series 2027 [Member] Investments (Textual) Description of dividend fund seeks investment Description of ex-dividend fund seeks investment Agreements [Table] Agreements [Line Items] Ex-Dividend Fund [Member] Agreements (Textual) Management fees payable, description Professional fees Management fees Dividends Payable Voluntarily waiving payments Description of dividend fund reimbursement Offering And Organizational Costs [Table] Offering And Organizational Costs [Line Items] Offering and Organizational Costs (Textual) Deferred offering costs Creation and Redemption of Creation Units (Textual) NAV in one or more large blocks Additional variable charge Investment Company, Financial Highlights [Table] Investment Company, Financial Highlights [Line Items] NAV Beginning of Period Net Investment Income/Loss Net Realized and Unrealized Gain/Loss Total from Operations Distributions from Net Investment Income Total Distributions NAV End of Period Total Return Market Price Net Assets End of Period Ratio of Expenses to Average Net Assets Ratio of Expenses to Average Net Assets (Excluding Waivers) Ratio of Net Investment Income/Loss to Average Net Assets Portfolio Turnover Recently Issued Accounting Pronouncement (Textual) Cash pledged as collateral on Futures contract It represents additional variable charge. Amount of expenses related to advisory fees. The entire disclosure of agreements related to the company during the period. It represents capital share transaction beginning of period. It represents shares issued. The amount of beginning period. Amount of capital share transactions redeemed. Amount of capital share transactions redeemed one. Cash pledged as collateral on futures contracts. The entire disclosure for creation and redemption of creation units. Describes the provision of a dividend fund reimbursement under the agreements will be paid the fund adoption of the unitary fee structure. It represents Distributions from Net Investment Income. The description of dividend fund seeks investment. An investment that pools funds from many investors to invest in a combination of underlying investments, primarily equity cumulative dividends fund. Equity Ex-dividend fund. The description of ex-dividend fund seeks investment. Financial instruments owned US Government obligations. It represents fund issue and redeem shares. Amount of Fund shares redeemed. Income distribution payable. Income distributions payable during the period. The net change during the reporting period in the aggregate amount of net assets. Amount of increase decrease in Payable to advisor. Increase decrease in receivable from advisor. The increase (decrease) during the reporting period in the amount of variation margin receivable. Amount of Variation margin payable. Net asset value of investment in certain entities that calculate net asset value per share. Includes, but is not limited to, by unit, membership interest, or other ownership interest. Investment includes, but is not limited to, investment in certain hedge funds, venture capital funds, private equity funds, real estate partnerships or funds. Excludes fair value disclosure. Investment notional amount. The entire disclosure for investment. Management fees monthly payable description. It represents market price. The market value of the securities pledged as collateral. Represents market value per share. Net change in unrealized appreciation and depreciation on futures contracts. It represents net change in unrealized appreciation (depreciation) on investments and futures contracts. Net expenses. It represents net increase in shares outstanding from share transactions. It represents net increase resulting from capital transactions. Net investment income(loss) divided by the average number of units outstanding during the period. Net realized and unrealized gain loss. It represents net realized gain on investments and futures contracts. The entire disclosure for offering and organizational costs. It repersents percentages are based on net assets. Percentage of net assets. It represents portfolio turner. Amount of cash inflow from the sale of investments during the period. The cash outflow associated with the purchase of all investments during the period. It represents Ratio of Expenses to Average Net Assets. Ratio of expenses to average net assets excluding waivers. It represents Ratio of Net Investment Income/Loss to Average Net Assets. Receivable from advisor. Schedule Of Futures Contracts. Tabular of offsetting assets and liabilities table text block. Tabular disclosure of valuation of investments. It represents total distributions. It represents total distributions. It represents total from operations. Total Return. Disclosure of accounting policy for trading and transaction costs and fees. It represents unrealized appreciation and depreciation. Unrealized appreciation member. Variation margin payable. Variation margin receivable. Voluntary waivers. Percentage of coupon rate. Amortization of deferred offering costs. Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities. The net realized gains or losses on investments during the period, not including gains or losses on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity. Net asset value per share or per unit of investments in certain entities that calculate net asset value per share. Includes, but is not limited to, by unit, membership interest, or other ownership interest. Investment includes, but is not limited to, investment in certain hedge funds, venture capital funds, private equity funds, real estate partnerships or funds. Excludes fair value disclosure. Assets [Default Label] Liabilities [Default Label] Operating Expenses Voluntary Waivers Net Expenses Gain (Loss) on Investments Net Assets Capital Share Transactions Issued One Capital Share Transactions Redeemed One Purchases Of Investments Accretion (Amortization) of Discounts and Premiums, Investments RealizedInvestmentGainsLosse UnrealizedGainLossOnInvestment Increase (Decrease) in Interest and Dividends Receivable Increase Decrease In Receivable From Advisor Increase Decrease In Variation Margin Receivable IncreaseDecreaseInAmortizationOfDeferredOfferingCosts Increase (Decrease) in Deferred Charges Increase Decrease In Payable To Advisor Net Cash Provided by (Used in) Operating Activities Fund Shares Redeemed Payments of Dividends Net Cash Provided by (Used in) Financing Activities Cash and Cash Equivalents, Period Increase (Decrease) Cash Income Distributions Payable Financial Instruments, Owned, Other, at Fair Value Derivative Liability, Fair Value, Amount Offset Against Collateral Derivative Liability Derivative, Collateral, Right to Reclaim Securities Derivative Liability, Fair Value, Amount Not Offset Against Collateral NetAssetValuePerShares