STATEMENTS OF FINANCIAL CONDITION (USD $)	Dec. 31, 2012	Dec. 31, 2011
Investments in Affiliated Trading Companies:
Investments in Affiliated Trading Companies, at fair values	$ 168,705,774	$ 224,043,186
Total Assets	168,705,774	224,043,186
LIABILITIES
Redemptions payable	7,321,946	5,623,578
Total Liabilities	7,321,946	5,623,578
PARTNERS' CAPITAL
Partners' Capital	161,383,828	218,419,608
Total Liabilities and Partners' Capital	168,705,774	224,043,186
Class A [Member]
PARTNERS' CAPITAL
Partners' Capital	103,514,417	134,606,952
NET ASSET VALUE PER UNIT
Net Asset Value Per Unit (in dollars per unit)	$ 1,031.36	$ 1,140.84
Class B [Member]
PARTNERS' CAPITAL
Partners' Capital	19,925,811	29,596,967
NET ASSET VALUE PER UNIT
Net Asset Value Per Unit (in dollars per unit)	$ 1,059.67	$ 1,166.26
Class C [Member]
PARTNERS' CAPITAL
Partners' Capital	23,548,722	38,388,320
NET ASSET VALUE PER UNIT
Net Asset Value Per Unit (in dollars per unit)	$ 1,088.75	$ 1,192.24
Class D [Member]
PARTNERS' CAPITAL
Partners' Capital	9,650,670	10,541,476
NET ASSET VALUE PER UNIT
Net Asset Value Per Unit (in dollars per unit)	$ 1,103.49	$ 1,205.34
Class Z [Member]
PARTNERS' CAPITAL
Partners' Capital	4,744,208	5,285,893
NET ASSET VALUE PER UNIT
Net Asset Value Per Unit (in dollars per unit)	$ 1,149.28	$ 1,245.91
BHM I, LLC [Member]
Investments in Affiliated Trading Companies:
Investments in Affiliated Trading Companies, at fair values	60,469,759	76,958,099
Altis I, LLC [Member]
Investments in Affiliated Trading Companies:
Investments in Affiliated Trading Companies, at fair values	34,093,815	41,215,261
AHL I, LLC [Member]
Investments in Affiliated Trading Companies:
Investments in Affiliated Trading Companies, at fair values	31,866,973	36,925,484
Aspect I, LLC [Member]
Investments in Affiliated Trading Companies:
Investments in Affiliated Trading Companies, at fair values	29,322,751	39,678,211
Boronia I, LLC [Member]
Investments in Affiliated Trading Companies:
Investments in Affiliated Trading Companies, at fair values	$ 12,952,476	$ 29,266,131