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Investment in Equipment and Leases, Net (Schedule of Useful Lives of Assets) (Details)
3 Months Ended
Mar. 31, 2017
Minimum [Member] | Transportation, Rail [Member]  
Property Subject To Or Available For Operating Lease [Line Items]  
Useful lives of lease assets 35 years
Minimum [Member] | Containers [Member]  
Property Subject To Or Available For Operating Lease [Line Items]  
Useful lives of lease assets 15 years
Minimum [Member] | Aviation [Member]  
Property Subject To Or Available For Operating Lease [Line Items]  
Useful lives of lease assets 15 years
Maximum [Member] | Transportation, Rail [Member]  
Property Subject To Or Available For Operating Lease [Line Items]  
Useful lives of lease assets 40 years
Maximum [Member] | Containers [Member]  
Property Subject To Or Available For Operating Lease [Line Items]  
Useful lives of lease assets 20 years
Maximum [Member] | Aviation [Member]  
Property Subject To Or Available For Operating Lease [Line Items]  
Useful lives of lease assets 20 years