Investments In Equipment And Leases, Net (Investment In Leases) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Leases Disclosure [Line Items]
Balance December 31, 2011	$ 8,276
Reclassifications, Additions/ Dispositions	(76)
Depreciation/ Amortization Expense or Amortization of Leases	(1,241)
Balance December 31, 2012	6,959
Operating Leases [Member]
Leases Disclosure [Line Items]
Balance December 31, 2011	7,867
Reclassifications, Additions/ Dispositions	(568)
Depreciation/ Amortization Expense or Amortization of Leases	(1,069)
Balance December 31, 2012	6,230
Direct Financing Leases [Member]
Leases Disclosure [Line Items]
Balance December 31, 2011	256
Reclassifications, Additions/ Dispositions	(4)
Depreciation/ Amortization Expense or Amortization of Leases	(152)
Balance December 31, 2012	100
Assets Held For Sale or Lease [Member]
Leases Disclosure [Line Items]
Balance December 31, 2011	153
Reclassifications, Additions/ Dispositions	496
Depreciation/ Amortization Expense or Amortization of Leases	(20)
Balance December 31, 2012	$ 629