Investments in Equipment and Leases, Net (Property on Operating Leases) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended						12 Months Ended
	Dec. 31, 2013	Dec. 31, 2013 Transportation, Containers [Member]	Dec. 31, 2013 Transportation, Rail [Member]	Dec. 31, 2013 Marine Vessels [Member]	Dec. 31, 2013 Transportation, Other [Member]	Dec. 31, 2012 Transportation, Other [Member]	Dec. 31, 2013 Total Property Subject to or Available for Operating Lease [Member]	Dec. 31, 2013 Less Accumulated Depreciation [Member]
Property Subject to or Available for Operating Lease [Line Items]
Balance December 31, 2012	$ 6,230	$ 19,380	$ 13,125	$ 4,793	$ 640	$ 640	$ 37,938	$ (31,708)
Additions	(638)							(638)
Reclassifications or Dispositions	(1,361)	(3,506)	(1,772)	(4,793)			(10,071)	8,710
Balance December 31, 2013	$ 4,231	$ 15,874	$ 11,353		$ 640	$ 640	$ 27,867	$ (23,636)