Investments in Equipment and Leases, Net (Property on Operating Leases) (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2016	Dec. 31, 2015
Property Subject to or Available for Operating Lease [Line Items]
Property on operating leases, gross	$ 22,623	$ 23,682
Less accumulated depreciation	(19,759)	(20,490)
Property on operating leases, net	2,864	3,192
Additions, less accumulated depreciation	(222)
Additions, net	(222)
Reclassifications or dispositions, gross	(1,059)
Reclassifications or dispositions, less accumulated depreciation	953
Reclassifications or dispositions, net	(106)
Transportation, Rail [Member]
Property Subject to or Available for Operating Lease [Line Items]
Property on operating leases, gross	15,111	14,714
Reclassifications or dispositions, gross	397
Containers [Member]
Property Subject to or Available for Operating Lease [Line Items]
Property on operating leases, gross	7,502	$ 8,968
Reclassifications or dispositions, gross	(1,466)
Aviation [Member]
Property Subject to or Available for Operating Lease [Line Items]
Property on operating leases, gross	10
Reclassifications or dispositions, gross	$ 10

The amount of accumulated depreciation, by major property class, recorded on property subject to or available for lease as of the balance sheet date.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6454179&loc=d3e41551-112718

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6453916&loc=d3e41460-112716

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- Definition

Amount before accumulated depreciation of physical assets used in the normal conduct of business to produce goods and services subject to or available for lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6453916&loc=d3e41457-112716

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6454179&loc=d3e41551-112718

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

The amount of property, by major property class, net of accumulated depreciation, subject to or available for lease as of the balance sheet date.

+ References

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- Definition

Property subject to or available for operating lease accumulated depreciation, additions.

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Property subject to or available for operating lease accumulated depreciation, reclassifications or dispositions.

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Property subject to or available for operating lease, additions.

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Property subject to or available for operating lease, reclassifications or dispositions.

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Property subject to or available for operating lease reclassifications or dispositions, gross.

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