Investment in Funds - Summary of Partnership's Investment in Operations of Funds (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Investment In Funds Disclosure [Line Items]
Investment in Funds	$ 18,321,947	$ 22,884,691
Income (Loss)	(724,037)	(710,738)
Brokerage Fees Expenses	53,175	80,659
Other Expenses	26,049	30,770
Net Income (Loss)	(803,261)	(822,167)
Aspect Master [Member]
Investment In Funds Disclosure [Line Items]
Investment in Funds, Partners' Capital Percentage	27.36%	25.09%
Investment in Funds	4,929,627	5,625,837
Income (Loss)	(435,449)	544,997
Brokerage Fees Expenses	6,983	5,455
Other Expenses	4,273	2,490
Net Income (Loss)	(446,705)	537,052
Investment Objective	Commodity Portfolio	Commodity Portfolio
Redemptions Permitted	Monthly	Monthly
Altis Master [Member]
Investment In Funds Disclosure [Line Items]
Investment in Funds, Partners' Capital Percentage	22.07%	20.95%
Investment in Funds	3,977,782	4,697,554
Income (Loss)	(344,023)	(1,549,987)
Brokerage Fees Expenses	14,150	12,315
Other Expenses	3,053	4,804
Net Income (Loss)	(361,226)	(1,567,106)
Investment Objective	Commodity Portfolio	Commodity Portfolio
Redemptions Permitted	Monthly	Monthly
Waypoint Master [Member]
Investment In Funds Disclosure [Line Items]
Investment in Funds, Partners' Capital Percentage	26.81%	27.59%
Investment in Funds	4,830,703	6,185,970
Income (Loss)	626,390	(246,858)
Brokerage Fees Expenses	18,826	24,864
Other Expenses	11,834	11,069
Net Income (Loss)	595,730	(282,791)
Investment Objective	Commodity Portfolio	Commodity Portfolio
Redemptions Permitted	Monthly	Monthly
Blackwater Master [Member]
Investment In Funds Disclosure [Line Items]
Investment in Funds, Partners' Capital Percentage	25.44%	28.43%
Investment in Funds	4,583,835	6,375,330
Income (Loss)	(570,955)	433,319
Brokerage Fees Expenses	13,216	13,356
Other Expenses	6,889	7,790
Net Income (Loss)	(591,060)	412,173
Investment Objective	Commodity Portfolio	Commodity Portfolio
Redemptions Permitted	Monthly	Monthly
Sasco Master [Member]
Investment In Funds Disclosure [Line Items]
Investment in Funds, Partners' Capital Percentage
Investment in Funds
Income (Loss)		107,791
Brokerage Fees Expenses		24,669
Other Expenses		4,617
Net Income (Loss)		$ 78,505
Investment Objective		Energy Portfolio
Redemptions Permitted		Monthly