Summary of Significant Accounting Policies (Details) | Mar. 31, 2018USD ($) |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | $ 3,385,315 | |
Total Other Financial Instruments | 78,701 | |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | Level 1 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | | |
Total Other Financial Instruments | 78,701 | |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | Level 2 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | 3,385,315 | |
Total Other Financial Instruments | | |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | Level 3 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | | |
Total Other Financial Instruments | | |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | U.S. Treasury Obligations [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | 3,385,315 | |
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 | | |
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 | 3,385,315 | |
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 | | |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | Futures Contracts [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Other Financial Instruments | | [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 | | [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 | | [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 | | [1] |
U.S. Equity Cumulative Dividends Fund-Series 2027 [Member] | Unrealized Appreciation [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Other Financial Instruments | 78,701 | |
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 | 78,701 | |
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 | | |
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 | | |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | 12,318,576 | |
Total Other Financial Instruments | (613,075) | |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | Level 1 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | | |
Total Other Financial Instruments | (613,075) | |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | Level 2 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | 12,318,576 | |
Total Other Financial Instruments | | |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | Level 3 [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | | |
Total Other Financial Instruments | | |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | U.S. Treasury Obligations [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Investments in Securities | 12,318,576 | |
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 | | |
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 | 12,318,576 | |
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 | | |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | Futures Contracts [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Other Financial Instruments | | [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 | | [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 | | [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 | | [1] |
U.S. Equity Ex-Dividend Fund-Series 2027 [Member] | Unrealized Depreciation [Member] | | |
Summary of Investment Holdings [Line Items] | | |
Total Other Financial Instruments | (613,075) | |
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 | (613,075) | |
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 | | |
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 | | |
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[1] | Futures contracts are presented at unrealized appreciation (depreciation) on the instrument. |