Statements of Financial Condition (Parenthetical) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
General Partner, Units outstanding	28,084.145	28,084.145
Limited Partners, Units outstanding	2,330,804.321	2,520,753.466
U.S. Treasury Bills [Member]
Investments in U.S. Treasury bills, amortized cost	$ 0	$ 12,989,784