Related Party Transactions (Affiliates Earned Commissions and Billed for Reimbursements Pursuant to Operating Agreement (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Related Party Transactions [Abstract]
Asset management fees to Managing Member	$ 33	$ 23	$ 71	$ 43
Cost reimbursements to Managing Member	92	64	172	127
Related party transaction, total	$ 125	$ 87	$ 243	$ 170