Investment in Equipment and Leases, Net (Investment in Leases) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Leases Disclosure [Line Items]
Balance December 31, 2016	$ 3,466
Reclassifications & Additions/ Dispositions	(115)
Depreciation/ Amortization Expense or Amortization of Leases	(92)
Balance September 30, 2017	3,259
Initial direct costs, accumulated amortization	2	$ 1
Operating Leases [Member]
Leases Disclosure [Line Items]
Balance December 31, 2016	2,757
Reclassifications & Additions/ Dispositions	(92)
Depreciation/ Amortization Expense or Amortization of Leases	(90)
Balance September 30, 2017	2,575
Assets Held For Sale or Lease [Member]
Leases Disclosure [Line Items]
Balance December 31, 2016	697
Reclassifications & Additions/ Dispositions	(23)
Balance September 30, 2017	674
Initial Direct Cost [Member]
Leases Disclosure [Line Items]
Balance December 31, 2016	12
Depreciation/ Amortization Expense or Amortization of Leases	(2)
Balance September 30, 2017	$ 10