Concentration Of Credit Risk And Major Customers (Schedule Of Leasing And Lending Revenues) (Details)	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011
Transportation, Containers [Member] | Equipment Cost [Member]
Percentage of concentration risk	46.00%		46.00%
Transportation, Rail [Member] | Equipment Cost [Member]
Percentage of concentration risk	42.00%		42.00%
Transportation, Rail [Member] | Leasing and Lending Revenues [Member] | Bartlett Grain Company, L.P. [Member]
Percentage of concentration risk		[1]	11.00%
Marine Vessels [Member] | Leasing and Lending Revenues [Member] | Bee Mar, LLC [Member]
Percentage of concentration risk	22.00%		19.00%
Transportation, Other [Member] | Equipment Cost [Member]
Percentage of concentration risk	12.00%		11.00%
Transportation, Other [Member] | Leasing and Lending Revenues [Member] | Exsif Worldwide Inc. [Member]
Percentage of concentration risk	37.00%		36.00%

[1] Less than 10%