Consolidation Of Variable Interest Entities As A Non-Controlling Interest (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2016 USD ($) item	Jun. 30, 2015 USD ($) item	Jun. 30, 2016 USD ($) item	Jun. 30, 2015 USD ($) item	Dec. 31, 2015 USD ($)
Variable Interest Entity [Line Items]
Total net book value	$ 701,000		$ 701,000		$ 674,000
Net book value	1,795,851,000		1,795,851,000		1,748,211,000
Proceeds from containers sold			29,944,000	$ 28,133,000
Collateralized Financing Obligations [Member]
Variable Interest Entity [Line Items]
Long-term debt	83,700,000		83,700,000
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Net book value	65,682,000		65,682,000		85,101,000
Cash	15,903,000		15,903,000		$ 35,106,000
Variable Interest Entity, Primary Beneficiary [Member] | Term Loan [Member]
Variable Interest Entity [Line Items]
Long-term debt	$ 6,300,000		$ 6,300,000
Variable Interest Entity, Primary Beneficiary [Member] | Containers [Member]
Variable Interest Entity [Line Items]
Number of types of container fund arrangements | item			2
Number of container portfolios sold | item	0	0	0	0
Total net book value	$ 182,600,000		$ 182,600,000
Net book value	71,200,000		71,200,000
Gain (loss) recognized on initial consolidation of VIEs			0
Proceeds from containers sold	$ 6,200,000	$ 8,000,000	$ 16,900,000	$ 14,800,000