Consolidated Statements of Cash Flows (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Cash flows provided by operating activities
Net income	$ 10,496,665us-gaap_IncomeLossAttributableToParent	$ 8,558,426us-gaap_IncomeLossAttributableToParent
Adjustments to reconcile net income to net cash provided by operating activities:
Net cash provided by operating activities	7,670,133	32,431,858
Cash flows used in financing activities
Subscriptions	11,652,795gaifb_ProceedsFromSubscriptions	2,467,801gaifb_ProceedsFromSubscriptions
Redemptions	(19,322,928)gaifb_PaymentsOfRedemptions	(34,899,659)gaifb_PaymentsOfRedemptions
Net cash used in financing activities	(7,670,133)	(32,431,858)
Net change in cash and cash equivalents	0	0
Cash and cash equivalents, beginning of year	0	0
Cash and cash equivalents, end of year	0	0
Graham Alternative Investment Trading LLC [Member]
Cash flows provided by operating activities
Net income	(10,496,665)	(8,558,426)
Adjustments to reconcile net income to net cash provided by operating activities:
Proceeds from sale of investments	19,322,928	34,899,659
Investments	$ (11,652,795)	$ (2,467,801)

Investments made in other funds.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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