Statements of Financial Condition (Parenthetical) - USD ($)	Sep. 30, 2016	Dec. 31, 2015
Statement of Financial Position [Abstract]
Investment in U.S. Treasury bills, amortized cost	$ 8,993,980	$ 16,996,479
General Partner, Units outstanding	19,760.617	21,455.532
Limited Partners, Units outstanding	1,758,226.645	1,907,271.893