Consolidated Statements of Financial Condition (USD $)	Jun. 30, 2011	Dec. 31, 2010
Assets
Total assets	$ 194,731,374	$ 171,052,375
Liabilities:
Accrued redemptions	1,581,153	1,865,265
Total liabilities	1,581,153	1,865,265
Members' capital:
Members' capital	193,150,221	169,187,110
Total liabilities and members' capital	194,731,374	171,052,375
Graham Alternative Investment Trading LLC [Member]
Assets
Investment, at fair value	165,358,661	147,900,169
Redemption receivable	1,462,215	1,136,034
Graham Alternative Investment Trading II LLC [Member]
Assets
Investment, at fair value	27,791,560	21,286,941
Redemption receivable	118,938	729,231
Blended Strategies Portfolio [Member]
Members' capital:
Members' capital	165,358,661	147,900,169
Blended Strategies Portfolio [Member] \| Class 0 Units [Member]
Members' capital:
Members' capital	135,026,360	121,701,356
Blended Strategies Portfolio [Member] \| Class 2 Units [Member]
Members' capital:
Members' capital	30,332,301	26,198,813
Systematic Strategies Portfolio [Member]
Members' capital:
Members' capital	27,791,560	21,286,941
Systematic Strategies Portfolio [Member] \| Class 0 Units [Member]
Members' capital:
Members' capital	14,145,788	12,648,247
Systematic Strategies Portfolio [Member] \| Class 2 Units [Member]
Members' capital:
Members' capital	$ 13,645,772	$ 8,638,694

Amounts due for shareholder redemptions at the end of the reporting period.

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