Consolidated Statements of Changes in Members' Equity (Unaudited) (USD $)	Class 0 Units [Member]	Class 2 Units [Member]	Total
Members' capital, beginning balance at Dec. 31, 2012	$ 75,558,523	$ 18,388,877	$ 93,947,400
Members' capital, beginning balance (in units) at Dec. 31, 2012	657,725.570	203,657.512
Subscriptions	370,000	730,551	1,100,551
Subscriptions (in units)	3,000.060	7,672.954
Redemptions	(13,524,675)	(1,510,717)	(15,035,392)
Redemptions (in units)	(111,776.539)	(15,953.583)
Net income (loss)	4,091,927	811,825	4,903,752
Members' capital, ending balance at Jun. 30, 2013	66,495,775	18,420,536	84,916,311
Members' capital, ending balance (in units) at Jun. 30, 2013	548,949.091	195,376.883
Members' capital, beginning balance at Dec. 31, 2013	58,310,022	18,349,524	76,659,546
Members' capital, beginning balance (in units) at Dec. 31, 2013	456,544.588	186,461.512
Subscriptions	438,000	2,227,795	2,665,795
Subscriptions (in units)	3,761.712	23,989.020
Redemptions	(8,620,876)	(1,652,803)	(10,273,679)
Redemptions (in units)	(74,997.401)	(18,603.858)
Net income (loss)	(5,815,474)	(2,093,156)	(7,908,630)
Members' capital, ending balance at Jun. 30, 2014	$ 44,311,672	$ 16,831,360	$ 61,143,032
Members' capital, ending balance (in units) at Jun. 30, 2014	385,308.899	191,846.674