Members' Capital (Narrative) (Details) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Other Members Capital Account [Line Items]
Other Members capital account, units issued	13,560,188		13,560,188
Other Members capital account, units outstanding	13,560,188		13,560,188
Other Members capital account, units authorized	15,000,000		15,000,000
Potential repurchase price of Units as a percentage of holder's capital account	100.00%
Distributions declared or paid	$ 0.00	$ 0.00	$ 0.25
Initial [Member]
Other Members Capital Account [Line Items]
Other Members capital account, units issued	50		50
Other Members [Member]
Other Members Capital Account [Line Items]
Allocation of net income, net losses and distribution allocation percentage	92.50%
Managing Member [Member]
Other Members Capital Account [Line Items]
Allocation of net income, net losses and distribution allocation percentage	7.50%