Fair Value Measurements and Disclosures, Summarized Income Statement (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Summary of income statement [Abstract]
Net Investment Loss	$ (199,694)	$ (323,684)	$ (673,677)	$ (1,052,491)
Net Income (Loss)			(678,012)	(1,510,461)
TT II, LLC [Member]
Summary of income statement [Abstract]
Investment Income (Loss)	0	0	0	1,279
Net Investment Loss	(2,643,512)	(3,021,720)	(8,199,723)	(9,527,037)
Total Trading Results	(14,467,982)	(6,472,573)	(23,194,871)	32,450,682
Net Income (Loss)	(17,111,494)	(9,494,293)	(31,394,594)	22,923,645
WNT I, LLC [Member]
Summary of income statement [Abstract]
Investment Income (Loss)		0	0	(58)
Net Investment Loss		(57,816)	(129,226)	(183,570)
Total Trading Results		243,174	425,274	(383,493)
Net Income (Loss)		185,358	296,048	(567,063)
Boronia I, LLC [Member]
Summary of income statement [Abstract]
Investment Income (Loss)			0
Net Investment Loss			(3,220,183)
Total Trading Results			7,664,761
Net Income (Loss)			4,444,578
Kaiser I, LLC [Member]
Summary of income statement [Abstract]
Investment Income (Loss)			0
Net Investment Loss			(2,368,666)
Total Trading Results			5,929,623
Net Income (Loss)			3,560,957
Chesapeake I, LLC [Member]
Summary of income statement [Abstract]
Investment Income (Loss)		0		622
Net Investment Loss		(84,094)		(247,592)
Total Trading Results		(230,361)		(1,909,394)
Net Income (Loss)		(314,455)		(2,156,986)
Rotella I, LLC [Member]
Summary of income statement [Abstract]
Investment Income (Loss)		0
Net Investment Loss		(31,867)
Total Trading Results		309,891
Net Income (Loss)		278,024
Augustus I, LLC [Member]
Summary of income statement [Abstract]
Investment Income (Loss)	0		0
Net Investment Loss	(81,614)		(261,400)
Total Trading Results	(576,891)		(5,061)
Net Income (Loss)	$ (658,505)		$ (266,461)