Investments in Equipment and Leases (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Investments in Equipment and Leases [Abstract]
Depreciation of operating lease assets	$ 42	$ 34	$ 84	$ 68
Average estimated residual value for assets on operating leases			13.00%		13.00%
Impairment losses			$ 0		$ 0
Contingent rental revenue	$ 6	$ 2	$ 12	$ 12