Consolidation Of Variable Interest Entities As A Non-Controlling Interest (Details) (USD $)	3 Months Ended	9 Months Ended		36 Months Ended
	Sep. 30, 2014	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2014 Variable Interest Entity, Primary Beneficiary [Member]	Sep. 30, 2014 Variable Interest Entity, Primary Beneficiary [Member] Collateralized Financing Obligation [Member]	Sep. 30, 2014 Variable Interest Entity, Primary Beneficiary [Member] Term Loan [Member]
Variable Interest Entity [Line Items]
Cash	$ 19,048,000	$ 19,048,000	$ 31,141,000
Contribution of cash and other assets	138,022,000	138,022,000	130,967,000
Non-controlling interest	724,000	724,000	594,000
Net income attributable to non-controlling interest	38,000	46,000
Net book value of equipment transfered				130,800,000
Net book value of containers transferred	1,058,000	1,058,000	1,390,000	102,000,000
Cash held by investor funds				31,400,000
Long-term debt	$ 1,055,335,000	$ 1,055,335,000	$ 1,058,628,000		$ 121,800,000	$ 10,300,000