Statements of Changes in Partners' Capital - USD ($)	Total	General Partner [Member]	Limited Partners [Member]
Balances at Dec. 31, 2014	$ 16,426,468	$ 0	$ 16,426,468
Addition of partnership share	11,129,688	0	11,129,688
Redemption of partnership shares	(9,882,640)	0	(9,882,640)
Net income (loss)	(4,548,413)	0	(4,548,413)
Balances at Dec. 31, 2015	$ 13,125,103	0	13,125,103
Net asset value, beginning of year at Dec. 31, 2014	$ 13.69
Net asset value, end of year at Dec. 31, 2015	$ 9.72
Addition of partnership share	$ 1,418,858	0	1,418,858
Redemption of partnership shares	(967,707)	0	(967,707)
Net income (loss)	2,869,424	0	2,869,424
Balances at Dec. 31, 2016	$ 16,445,678	0	16,445,678
Net asset value, end of year at Dec. 31, 2016	$ 11.75
Addition of partnership share	$ 1,021,619	0	1,021,619
Redemption of partnership shares	(5,986,374)	0	(5,986,374)
Net income (loss)	(3,146,483)	0	(3,146,483)
Balances at Dec. 31, 2017	$ 8,334,440	$ 0	$ 8,334,440
Net asset value, end of year at Dec. 31, 2017	$ 9.26