Investments in Equipment and Leases, Net (Property on Operating Leases) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Property Subject to or Available for Operating Lease [Line Items]
Property on operating leases, gross	$ 22,092	$ 23,682
Less accumulated depreciation	(19,335)	(20,490)
Property on operating leases, net	2,757	3,192
Additions, less accumulated depreciation	(287)
Additions, net	(287)
Reclassifications or dispositions, gross	(1,590)
Reclassifications or dispositions, less accumulated depreciation	1,442
Reclassifications or dispositions, net	(148)
Transportation, Rail [Member]
Property Subject to or Available for Operating Lease [Line Items]
Property on operating leases, gross	15,111	14,714
Reclassifications or dispositions, gross	397
Transportation, Containers [Member]
Property Subject to or Available for Operating Lease [Line Items]
Property on operating leases, gross	6,970	$ 8,968
Reclassifications or dispositions, gross	(1,998)
Aviation [Member]
Property Subject to or Available for Operating Lease [Line Items]
Property on operating leases, gross	11
Reclassifications or dispositions, gross	$ 11