Consolidation Of Variable Interest Entities As A Non-Controlling Interest (Details) (USD $)	3 Months Ended	6 Months Ended		33 Months Ended
	Jun. 30, 2014	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Variable Interest Entity, Primary Beneficiary [Member]	Jun. 30, 2014 Variable Interest Entity, Primary Beneficiary [Member] Collateralized Financing Obligation [Member]	Jun. 30, 2014 Variable Interest Entity, Primary Beneficiary [Member] Term Loan [Member]
Variable Interest Entity [Line Items]
Cash	$ 19,814,000	$ 19,814,000	$ 31,141,000
Contribution of cash and other assets	137,280,000	137,280,000	130,967,000
Non-controlling interest	686,000	686,000	594,000
Net income attributable to non-controlling interest	48,000	8,000
Net book value of equipment transfered				123,600,000
Net book value of containers transferred	1,155,000	1,155,000	1,390,000	102,100,000
Cash held by investor funds				27,200,000
Long-term debt	$ 985,860,000	$ 985,860,000	$ 1,058,628,000		$ 119,400,000	$ 10,800,000