Consolidation Of Variable Interest Entities As A Non-Controlling Interest (Details) (USD $)	12 Months Ended						36 Months Ended
	Dec. 31, 2013 item	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Variable Interest Entity, Primary Beneficiary [Member] item	Dec. 31, 2010 Variable Interest Entity, Primary Beneficiary [Member]	Dec. 31, 2012 Variable Interest Entity, Primary Beneficiary [Member]	Dec. 31, 2013 Container [Member]	Dec. 31, 2013 Collateralized Financing Obligation [Member]
Variable Interest Entity [Line Items]
Number of types of container fund arrangements	2
Number of specific Japanese funds	2
Net proceeds from sale of equipment portfolios		$ 10,320,000	$ 24,886,000
Gain on sale of equipment portfolios		1,256,000	2,345,000
Number of container portfolios sold				0
Containers transferred to specific Japanese funds					16,000,000
Contribution of cash and other asserts	31,141,000	13,976,000				15,300,000
Fair value of net investment in direct finance leases	81,208,000	85,554,000
Contribution of cash and other assets	130,967,000	95,114,000				4,200,000
Non-controlling interest	594,000					19,500,000
Net income attributable to non-controlling interest	594,000	816,000	625,000
Collateralized financing obligations	1,058,628,000	888,990,000						101,269,000
Total net book value during period							94,900,000
Net book value	1,465,092,000	1,210,234,000					84,200,000
Cash held by investor funds	$ 14,600,000