Consolidated Statements of Financial Condition - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Assets
Investment in Graham Alternative Investment Trading LLC, at fair value	$ 37,181,465	$ 63,499,240
Redemption receivable from Graham Alternative Investment Trading LLC	102,320	362,556
Total assets	37,283,785	63,861,796
Liabilities:
Accrued redemptions	102,320	362,556
Total liabilities	102,320	362,556
Members' capital:
Members' capital	37,181,465	63,499,240
Total liabilities and members' capital	37,283,785	63,861,796
Class 0 Units [Member]
Members' capital:
Members' capital	23,163,675	46,912,306
Class 2 Units [Member]
Members' capital:
Members' capital	$ 14,017,790	$ 16,586,934