Members' Capital (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended		28 Months Ended	193 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Nov. 30, 2000	Dec. 31, 2016	Dec. 31, 2014
Other Members Capital Account [Line Items]
Members capital account, Units issued	13,560,188	13,560,188		13,560,188
Members capital account, Units outstanding	13,560,188	13,560,188		13,560,188	13,560,188
Other Members capital account, Units authorized	15,000,000	15,000,000		15,000,000
Potential repurchase price of Units as a percentage of holder's capital account	100.00%
Allocation of net income, net losses and distribution allocation percentage	100.00%
Distributions declared	$ 1,356	$ 4,068
Initial [Member]
Other Members Capital Account [Line Items]
Allocation of net income, net losses and distribution allocation percentage			1.00%
Managing Member [Member]
Other Members Capital Account [Line Items]
Members capital account, Units issued	50	50		50
Allocation of net income, net losses and distribution allocation percentage	7.50%		99.00%	7.50%
Other Members [Member]
Other Members Capital Account [Line Items]
Members capital account, Units outstanding	13,560,188	13,560,188		13,560,188	13,560,188
Allocation of net income, net losses and distribution allocation percentage	92.50%			92.50%
Distributions declared	$ 1,356	$ 4,068