Investments in Equipment and Leases, Net (Property on Operating Leases) (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2015 USD ($)
Property Subject to or Available for Operating Lease [Line Items]
Balance December 31, 2014	$ 3,697
Additions	(168)
Reclassifications or Dispositions	(284)
Balance June 30, 2015	3,245
Transportation, Containers [Member]
Property Subject to or Available for Operating Lease [Line Items]
Balance December 31, 2014	11,603
Reclassifications or Dispositions	(1,913)
Balance June 30, 2015	9,690
Transportation, Rail [Member]
Property Subject to or Available for Operating Lease [Line Items]
Balance December 31, 2014	14,263
Reclassifications or Dispositions	(310)
Balance June 30, 2015	13,953
Transportation, Other [Member]
Property Subject to or Available for Operating Lease [Line Items]
Balance December 31, 2014	350
Reclassifications or Dispositions	(350)
Total Property Subject to or Available For Operating Lease [Member]
Property Subject to or Available for Operating Lease [Line Items]
Balance December 31, 2014	26,216
Reclassifications or Dispositions	(2,573)
Balance June 30, 2015	23,643
Less Accumulated Depreciation [Member]
Property Subject to or Available for Operating Lease [Line Items]
Balance December 31, 2014	(22,519)
Additions	(168)
Reclassifications or Dispositions	2,289
Balance June 30, 2015	$ (20,398)