Investments in Equipment and Leases (Property on Operating Leases) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2013 Transportation [Member]	Dec. 31, 2013 Materials Handling [Member]	Dec. 31, 2012 Materials Handling [Member]	Dec. 31, 2013 Marine Vessels [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	$ 5,284	$ 28,689	$ 83	$ 83	$ 7,400	$ 36,172	$ (30,888)
Additions	(305)						(305)
Reclassifications & Additions / Dispositions	(1,817)	(5,932)			(7,400)	(13,332)	11,515
Balance December 31, 2013	$ 3,162	$ 22,757	$ 83	$ 83		$ 22,840	$ (19,678)