Segment Information (Segment Reporting Information By Container Leasing And Container Management Segments ) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012	Sep. 30, 2013		Sep. 30, 2012	Dec. 31, 2012
Segment Reporting Information [Line Items]
Total revenue	$ 53,898		$ 44,939	$ 157,844		$ 124,071
Total operating expenses	27,695		18,893	75,950		50,771
Operating income	26,203		26,046	81,894		73,300
Net interest expense	9,546		7,178	28,009		19,427
Net income before income taxes and non-controlling interest	16,657		18,868	53,885		53,873
Total assets	1,628,723	[1]	1,285,858	1,628,723	[1]	1,285,858	1,387,941	[1]
Equipment Leasing [Member]
Segment Reporting Information [Line Items]
Total revenue	52,395		42,447	151,817		113,116
Total operating expenses	26,345		17,493	71,877		45,207
Operating income	26,050		24,954	79,940		67,909
Net interest expense	9,546		7,179	28,013		19,435
Net income before income taxes and non-controlling interest	16,504		17,775	51,927		48,474
Total assets	1,618,009		1,264,242	1,618,009		1,264,242
Equipment Management [Member]
Segment Reporting Information [Line Items]
Total revenue	1,503		2,492	6,027		10,955
Total operating expenses	1,350		1,400	4,073		5,564
Operating income	153		1,092	1,954		5,391
Net income before income taxes and non-controlling interest	153		1,092	1,954		5,391
Total assets	10,714		21,616	10,714		21,616
Unallocated [Member]
Segment Reporting Information [Line Items]
Net interest expense			(1)	(4)		(8)
Net income before income taxes and non-controlling interest			$ 1	$ 4		$ 8

[1] Total assets at September 30, 2013 and December 31, 2012, include the following assets of certain variable interest entities (VIEs) that can only be used to settle the liabilities of those VIEs: Cash, $13,941 and $3,695; Net investment in direct finance leases, $112 and $0; and Rental equipment net of accumulated depreciation, $76,979 and $62,286, respectively.