Investments in Equipment and Leases (Investment in Leases) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Leases Disclosure [Line Items]
Balance December 31, 2013	$ 5,643
Reclassifications, Additions/ Dispositions	(111)
Depreciation/ Amortization Expense or Amortization of Leases	(154)
Balance December 31, 2014	5,378
Operating Leases [Member]
Leases Disclosure [Line Items]
Balance December 31, 2013	3,162
Reclassifications, Additions/ Dispositions	(108)
Depreciation/ Amortization Expense or Amortization of Leases	(154)
Balance December 31, 2014	2,900
Assets Held For Sale or Lease [Member]
Leases Disclosure [Line Items]
Balance December 31, 2013	2,481
Reclassifications, Additions/ Dispositions	(3)
Balance December 31, 2014	$ 2,478