Investments in Equipment and Leases, Net (Schedule of Future Minimum Rental Payments for Operating Leases) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013
Operating Leases
Six months ending December 31, 2013	$ 963
Year ending December 31, 2014	1,139
2015	86
Operating Leases, Future Minimum Payments Receivable, Total	$ 2,188

Future rental payments receivable within the third year from the balance sheet date under an operating lease.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6454179&loc=d3e41551-112718

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 13

-Paragraph 23

-Subparagraph b(ii)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInThreeYears
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant