Operations (Details)	9 Months Ended
	Sep. 30, 2013
Operations (Details) [Line Items]
Written Notice Period for Redemption	5 days
Payment Period for Redemption of Units	10 days
Capital Unit, Class A [Member] | Annual Rate [Member]
Operations (Details) [Line Items]
Brokerage Fee	4.67%
Capital Unit, Class A [Member] | Monthly Rate [Member]
Operations (Details) [Line Items]
Brokerage Fee	0.38917%
Capital Unit, Class B [Member] | Annual Rate [Member]
Operations (Details) [Line Items]
Brokerage Fee	2.67%
Capital Unit, Class B [Member] | Monthly Rate [Member]
Operations (Details) [Line Items]
Brokerage Fee	0.2225%
First 11 Months [Member]
Operations (Details) [Line Items]
Unit Redemption Fee	1.50%