Investments In Equipment And Leases, Net (Investment In Leases) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Leases Disclosure [Line Items]
Balance December 31, 2012	$ 6,959	$ 6,959
Reclassifications, Additions/ Dispositions	(40)
Depreciation/ Amortization Expense or Amortization of Leases	(238)
Balance March 31, 2013	6,681	6,959
Operating Leases [Member]
Leases Disclosure [Line Items]
Balance December 31, 2012	6,230
Reclassifications, Additions/ Dispositions	(733)
Depreciation/ Amortization Expense or Amortization of Leases	(176)
Balance March 31, 2013	5,321
Direct Financing Leases [Member]
Leases Disclosure [Line Items]
Balance December 31, 2012	100
Reclassifications, Additions/ Dispositions	(42)
Depreciation/ Amortization Expense or Amortization of Leases	(24)
Balance March 31, 2013	34
Assets Held For Sale or Lease [Member]
Leases Disclosure [Line Items]
Balance December 31, 2012	629
Reclassifications, Additions/ Dispositions	735
Depreciation/ Amortization Expense or Amortization of Leases	(38)
Balance March 31, 2013	$ 1,326