Recently Issued Accounting Pronouncement (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Equity Cumulative Dividends Fund [Member]
Recently Issued Accounting Pronouncement (Textual)
Cash pledged as collateral on Futures contract	$ 518,511	$ 70,768
U.S. Equity Ex-Dividends Fund-Series 2027
Recently Issued Accounting Pronouncement (Textual)
Cash pledged as collateral on Futures contract	$ 1,024,173	$ 1,218,374