Members' Capital (Distributions to Other Members) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Members' Capital [Abstract]
Distributions declared	$ 4,068	$ 3,390
Weighted average number of Units outstanding	13,560,188	13,560,188
Weighted average distributions per Unit	$ 0.30	$ 0.25