Fair Value Measurements and Disclosures (Details) (Fair Value Measurement on Recurring Basis [Member], USD $)	Dec. 31, 2013	Dec. 31, 2012
Investment in TT II, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	$ 6,221,176	$ 12,246,448
Investment in Augustus I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	4,318,716	2,433,314
Investment in Rotella I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	4,039,384	3,383,788
Investment in WNT I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	3,816,627	7,072,401
Investment in Chesapeake I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value		4,408,930
Investment in Boronia I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	2,237,602
Investment in Kaiser I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	1,861,138	3,186,918
Investment in GLC I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value		2,359,140
Unadjusted Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Investment in TT II, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	0	0
Unadjusted Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Investment in Augustus I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	0	0
Unadjusted Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Investment in Rotella I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	0	0
Unadjusted Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Investment in WNT I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	0	0
Unadjusted Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Investment in Chesapeake I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value		0
Unadjusted Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Investment in Boronia I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	0
Unadjusted Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Investment in Kaiser I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	0	0
Unadjusted Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Investment in GLC I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value		0
Significant Other Observable Inputs (Level 2) [Member] | Investment in TT II, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	6,221,176	12,246,448
Significant Other Observable Inputs (Level 2) [Member] | Investment in Augustus I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	4,318,716	2,433,314
Significant Other Observable Inputs (Level 2) [Member] | Investment in Rotella I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	4,039,384	3,383,788
Significant Other Observable Inputs (Level 2) [Member] | Investment in WNT I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	3,816,627	7,072,401
Significant Other Observable Inputs (Level 2) [Member] | Investment in Chesapeake I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value		4,408,930
Significant Other Observable Inputs (Level 2) [Member] | Investment in Boronia I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	2,237,602
Significant Other Observable Inputs (Level 2) [Member] | Investment in Kaiser I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	1,861,138	3,186,918
Significant Other Observable Inputs (Level 2) [Member] | Investment in GLC I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value		2,359,140
Significant Unobservable Inputs (Level 3) [Member] | Investment in TT II, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	0	0
Significant Unobservable Inputs (Level 3) [Member] | Investment in Augustus I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	0	0
Significant Unobservable Inputs (Level 3) [Member] | Investment in Rotella I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	0	0
Significant Unobservable Inputs (Level 3) [Member] | Investment in WNT I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	0	0
Significant Unobservable Inputs (Level 3) [Member] | Investment in Chesapeake I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value		0
Significant Unobservable Inputs (Level 3) [Member] | Investment in Boronia I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	0
Significant Unobservable Inputs (Level 3) [Member] | Investment in Kaiser I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value	0	0
Significant Unobservable Inputs (Level 3) [Member] | Investment in GLC I, LLC [Member]
Assets [Abstract]
Investments in Affiliated Trading Companies, at fair value		$ 0