Investment in Equipment and Leases, Net (Schedule of Useful Lives of Lease Assets) (Details)	3 Months Ended
	Mar. 31, 2017
Transportation, Rail [Member] | Minimum [Member]
Property Subject to or Available for Operating Lease [Line Items]
Useful lives of lease assets	35 years
Transportation, Rail [Member] | Maximum [Member]
Property Subject to or Available for Operating Lease [Line Items]
Useful lives of lease assets	40 years
Marine Vessel [Member] | Minimum [Member]
Property Subject to or Available for Operating Lease [Line Items]
Useful lives of lease assets	20 years
Marine Vessel [Member] | Maximum [Member]
Property Subject to or Available for Operating Lease [Line Items]
Useful lives of lease assets	30 years
Containers [Member] | Minimum [Member]
Property Subject to or Available for Operating Lease [Line Items]
Useful lives of lease assets	15 years
Containers [Member] | Maximum [Member]
Property Subject to or Available for Operating Lease [Line Items]
Useful lives of lease assets	20 years
Aviation [Member] | Minimum [Member]
Property Subject to or Available for Operating Lease [Line Items]
Useful lives of lease assets	15 years
Aviation [Member] | Maximum [Member]
Property Subject to or Available for Operating Lease [Line Items]
Useful lives of lease assets	20 years
Paper Processing [Member] | Minimum [Member]
Property Subject to or Available for Operating Lease [Line Items]
Useful lives of lease assets	10 years
Paper Processing [Member] | Maximum [Member]
Property Subject to or Available for Operating Lease [Line Items]
Useful lives of lease assets	15 years
Construction [Member] | Minimum [Member]
Property Subject to or Available for Operating Lease [Line Items]
Useful lives of lease assets	7 years
Construction [Member] | Maximum [Member]
Property Subject to or Available for Operating Lease [Line Items]
Useful lives of lease assets	10 years
Materials Handling [Member] | Minimum [Member]
Property Subject to or Available for Operating Lease [Line Items]
Useful lives of lease assets	7 years
Materials Handling [Member] | Maximum [Member]
Property Subject to or Available for Operating Lease [Line Items]
Useful lives of lease assets	10 years
Agriculture [Member] | Minimum [Member]
Property Subject to or Available for Operating Lease [Line Items]
Useful lives of lease assets	7 years
Agriculture [Member] | Maximum [Member]
Property Subject to or Available for Operating Lease [Line Items]
Useful lives of lease assets	10 years
Transportation [Member] | Minimum [Member]
Property Subject to or Available for Operating Lease [Line Items]
Useful lives of lease assets	7 years
Transportation [Member] | Maximum [Member]
Property Subject to or Available for Operating Lease [Line Items]
Useful lives of lease assets	10 years