Segment Information (Segment Reporting Information By Container Leasing And Container Management Segments ) (Details) (USD $)	3 Months Ended			9 Months Ended
	Sep. 30, 2014		Sep. 30, 2013	Sep. 30, 2014		Sep. 30, 2013	Dec. 31, 2013
Segment Reporting Information [Line Items]
Total revenue	$ 59,203,000		$ 53,898,000	$ 168,779,000		$ 157,844,000
Total operating expenses	32,024,000		27,695,000	92,827,000		75,950,000
Operating income	27,179,000		26,203,000	75,952,000		81,894,000
Net interest expense	9,264,000		9,546,000	26,937,000		28,009,000
Net income before income taxes and non-controlling interest	17,915,000		16,657,000	49,015,000		53,885,000
Total assets	1,792,975,000	[1]	1,628,723,000	1,792,975,000	[1]	1,628,723,000	1,675,589,000	[1]
Equipment Leasing [Member]
Segment Reporting Information [Line Items]
Total revenue	57,642,000		52,395,000	164,098,000		151,817,000
Total operating expenses	31,350,000		26,345,000	90,827,000		71,877,000
Operating income	26,292,000		26,050,000	73,271,000		79,940,000
Net interest expense	9,265,000		9,546,000	26,943,000		28,013,000
Net income before income taxes and non-controlling interest	17,027,000		16,504,000	46,328,000		51,927,000
Total assets	1,784,305,000		1,618,009,000	1,784,305,000		1,618,009,000
Equipment Management [Member]
Segment Reporting Information [Line Items]
Total revenue	1,561,000		1,503,000	4,681,000		6,027,000
Total operating expenses	674,000		1,350,000	2,000,000		4,073,000
Operating income	887,000		153,000	2,681,000		1,954,000
Net income before income taxes and non-controlling interest	887,000		153,000	2,681,000		1,954,000
Total assets	8,670,000		10,714,000	8,670,000		10,714,000
Unallocated [Member]
Segment Reporting Information [Line Items]
Net interest expense	(1,000)			(6,000)		(4,000)
Net income before income taxes and non-controlling interest	$ 1,000			$ 6,000		$ 4,000

[1] Total assets at September 30, 2014 and December 31, 2013 include the following assets of certain variable interest entities (VIEs) that can only be used to settle the liabilities of those VIEs: Cash, $31,402 and $14,600; Net investment in direct finance leases, $154 and $137; and Rental equipment net of accumulated depreciation, $101,893 and $84,107, respectively.