Summary of Significant Accounting Policies (Details) | Jun. 30, 2018USD ($) |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | $ 5,220,467 | |
Total Other Financial Instruments | (30,113) | |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | Level 1 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | 0 | |
Total Other Financial Instruments | (30,113) | |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | Level 2 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | 5,220,467 | |
Total Other Financial Instruments | 0 | |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | Level 3 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | 0 | |
Total Other Financial Instruments | 0 | |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | U.S. Treasury Obligations [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | 5,220,467 | |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | U.S. Treasury Obligations [Member] | Level 1 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | 0 | |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | U.S. Treasury Obligations [Member] | Level 2 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | 5,220,467 | |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | U.S. Treasury Obligations [Member] | Level 3 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | 0 | |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | Futures Contracts [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Other Financial Instruments | 0 | [1] |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | Futures Contracts [Member] | Level 1 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Other Financial Instruments | 0 | [1] |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | Futures Contracts [Member] | Level 2 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Other Financial Instruments | 0 | [1] |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | Futures Contracts [Member] | Level 3 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Other Financial Instruments | 0 | [1] |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | Unrealized Appreciation [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Other Financial Instruments | (30,113) | |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | Unrealized Appreciation [Member] | Level 1 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Other Financial Instruments | (30,113) | |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | Unrealized Appreciation [Member] | Level 2 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Other Financial Instruments | 0 | |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | Unrealized Appreciation [Member] | Level 3 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Other Financial Instruments | 0 | |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | 13,186,431 | |
Total Other Financial Instruments | (341,514) | |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | Level 1 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | 0 | |
Total Other Financial Instruments | (341,514) | |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | Level 2 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | 13,186,431 | |
Total Other Financial Instruments | 0 | |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | Level 3 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | 0 | |
Total Other Financial Instruments | 0 | |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | U.S. Treasury Obligations [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | 13,186,431 | |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | U.S. Treasury Obligations [Member] | Level 1 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | 0 | |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | U.S. Treasury Obligations [Member] | Level 2 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | 13,186,431 | |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | U.S. Treasury Obligations [Member] | Level 3 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | 0 | |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | Futures Contracts [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Other Financial Instruments | 0 | [1] |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | Futures Contracts [Member] | Level 1 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Other Financial Instruments | 0 | [1] |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | Futures Contracts [Member] | Level 2 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Other Financial Instruments | 0 | [1] |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | Futures Contracts [Member] | Level 3 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Other Financial Instruments | 0 | [1] |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | Unrealized Depreciation [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Other Financial Instruments | (341,514) | |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | Unrealized Depreciation [Member] | Level 1 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Other Financial Instruments | (341,514) | |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | Unrealized Depreciation [Member] | Level 2 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Other Financial Instruments | 0 | |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | Unrealized Depreciation [Member] | Level 3 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Other Financial Instruments | $ 0 | |
|
[1] | Futures contracts are valued at unrealized appreciation (depreciation) on the instrument. |