Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Cash flows provided by operating activities
Net loss	$ (2,746,591)	$ (895,561)
Adjustments to reconcile net loss to net cash provided by operating activities:
Net cash provided by operating activities	23,831,420	12,720,516
Cash flows used in financing activities
Subscriptions	599,000	8,426,500
Redemptions	(24,430,420)	(21,147,016)
Net cash used in financing activities	(23,831,420)	(12,720,516)
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 loss	2,746,591	895,561
Adjustments to reconcile net loss to net cash provided by operating activities:
Proceeds from sale of investments	24,430,420	21,147,016
Investments in Graham Alternative Investment Trading LLC	$ (599,000)	$ (8,426,500)