Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows provided by operating activities
Net income (loss)	$ 612,464	$ (1,244,298)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Net cash provided by operating activities	841,424	6,991,819
Cash flows used in financing activities
Subscriptions	0	309,000
Redemptions	(841,424)	(7,300,819)
Net cash used in financing activities	(841,424)	(6,991,819)
Net change in cash and cash equivalents	0	0
Cash and cash equivalents, beginning of period	0	0
Cash and cash equivalents, end of period	0	0
Graham Alternative Investment Trading LLC [Member]
Cash flows provided by operating activities
Net income (loss)	(612,464)	1,244,298
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Proceeds from sale of investments in Graham Alternative Investment Trading LLC	841,424	7,300,819
Investments in Graham Alternative Investment Trading LLC	$ 0	$ (309,000)