Consolidated Statements of Financial Condition (USD $)	Mar. 31, 2013	Dec. 31, 2012
Equity in brokers' trading accounts:
Cash	$ 88,482,247	$ 94,093,764
Unrealized gain (loss) on open contracts, net	4,428,390	3,681,219
Total equity in brokers' trading accounts	92,910,637	97,774,983
Cash and cash equivalents	193,343,365	204,384,040
Securities owned, at fair value (cost $339,021,137 and $358,405,739, respectively)	339,268,358	358,679,830
Interest receivable	42,483	34,479
Total assets	625,564,843	660,873,332
Liabilities
Brokerage commission payable	3,565,080	3,785,102
Accrued incentive fees	318,449
Organization and offering costs payable	149,948	158,430
Accrued operating expenses	129,626	136,985
Pending limited partner additions	3,134,376	3,226,078
Redemptions payable to limited partners	14,647,094	16,826,687
Total liabilities	21,944,573	24,133,282
Partners' Capital (Net Asset Value)
Total partners' capital (net asset value)	603,620,270	636,740,050
Total liabilities and partners' capital (net asset value)	625,564,843	660,873,332
Class A
Partners' Capital (Net Asset Value)
General Partner	3,033,711	3,040,653
Limited Partners	29,083,828	31,269,640
Class B
Partners' Capital (Net Asset Value)
Limited Partners	307,532,362	330,303,791
Legacy 1 Class
Partners' Capital (Net Asset Value)
General Partner	900,930	897,998
Limited Partners	3,510,876	3,851,016
Legacy 2 Class
Partners' Capital (Net Asset Value)
General Partner	866,965	864,602
Limited Partners	9,821,239	11,061,307
Global 1 Class
Partners' Capital (Net Asset Value)
General Partner	1,166,402	1,160,812
Limited Partners	10,199,226	10,526,414
Global 2 Class
Partners' Capital (Net Asset Value)
General Partner	1,656,746	1,649,835
Limited Partners	22,189,865	23,335,702
Global 3 Class
Partners' Capital (Net Asset Value)
Limited Partners	$ 213,658,120	$ 218,778,280