Concentration of Credit Risk and Major Customers (Schedule of Leasing and Lending Revenues) (Details)	12 Months Ended
	Dec. 31, 2016
Materials Handling [Member] | Schenker, Inc. [Member] | Operating Revenues [Member]
Concentration Risk [Line Items]
Percentage of concentration risk from customers domiciled in North America	10.00%
Railroad [Member] | Equipment Cost [Member]
Concentration Risk [Line Items]
Percentage of concentration risk from customers domiciled in North America	28.00%
Agriculture [Member] | Equipment Cost [Member]
Concentration Risk [Line Items]
Percentage of concentration risk from customers domiciled in North America	16.00%
Agriculture [Member] | Cargill, Inc. [Member] | Operating Revenues [Member]
Concentration Risk [Line Items]
Percentage of concentration risk from customers domiciled in North America	25.00%
Paper Processing [Member] | Equipment Cost [Member]
Concentration Risk [Line Items]
Percentage of concentration risk from customers domiciled in North America	15.00%
Marine Vessel [Member] | Indiana Michigan Power Company [Member] | Operating Revenues [Member]
Concentration Risk [Line Items]
Percentage of concentration risk from customers domiciled in North America	20.00%
Utilities [Member] | Equipment Cost [Member]
Concentration Risk [Line Items]
Percentage of concentration risk from customers domiciled in North America	15.00%
Refuse Systems [Member] | Equipment Cost [Member]
Concentration Risk [Line Items]
Percentage of concentration risk from customers domiciled in North America	12.00%
Refuse Systems [Member] | Waste Management of New York, LLC [Member] | Operating Revenues [Member]
Concentration Risk [Line Items]
Percentage of concentration risk from customers domiciled in North America	18.00%