Investments in Equipment and Leases, Net (Components of Partnership's Investment in Direct Financing Leases) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Investments in Equipment and Leases, Net [Abstract]
Total minimum lease payments receivable		$ 48
Estimated residual values of leased, equipment (unguaranteed)	10	52
Investment in direct financing leases	10	100
Less unearned income
Net investment in direct financing leases	$ 10	$ 100