Investments in Equipment and Leases, Net (Property on Operating Leases) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Property Subject to or Available for Operating Lease [Line Items]
Property on operating leases, gross	$ 23,722	$ 26,216
Less accumulated depreciation	(20,575)	(22,519)
Property on operating leases, net	3,147	3,697
Additions, less accumulated depreciation	(244)
Additions, net	(244)
Reclassifications or dispositions, gross	(2,494)
Reclassifications or dispositions, less accumulated depreciation	2,188
Reclassifications or dispositions, net	(306)
Transportation, Containers [Member]
Property Subject to or Available for Operating Lease [Line Items]
Property on operating leases, gross	9,223	11,603
Reclassifications or dispositions, gross	(2,380)
Transportation, Rail [Member]
Property Subject to or Available for Operating Lease [Line Items]
Property on operating leases, gross	14,499	14,263
Reclassifications or dispositions, gross	$ 236
Transportation, Other [Member]
Property Subject to or Available for Operating Lease [Line Items]
Property on operating leases, gross		$ 350
Additions, gross
Reclassifications or dispositions, gross	$ (350)