Segment Information (Segment Reporting Information By Container Leasing And Container Management Segments ) (Details) (USD $)	3 Months Ended			6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013	Jun. 30, 2014		Jun. 30, 2013	Dec. 31, 2013
Segment Reporting Information [Line Items]
Total revenue	$ 55,312,000		$ 52,987,000	$ 109,576,000		$ 103,946,000
Total operating expenses	30,968,000		25,144,000	60,803,000		48,255,000
Operating income	24,344,000		27,843,000	48,773,000		55,691,000
Net interest expense	8,882,000		8,954,000	17,673,000		18,463,000
Net income before income taxes and non-controlling interest	15,462,000		18,889,000	31,100,000		37,228,000
Total assets	1,747,429,000	[1]	1,615,982,000	1,747,429,000	[1]	1,615,982,000	1,675,589,000	[1]
Equipment Leasing [Member]
Segment Reporting Information [Line Items]
Total revenue	53,717,000		50,693,000	106,456,000		99,422,000
Total operating expenses	30,321,000		23,799,000	59,478,000		45,532,000
Operating income	23,396,000		26,894,000	46,978,000		53,890,000
Net interest expense	8,883,000		8,955,000	17,678,000		18,467,000
Net income before income taxes and non-controlling interest	14,513,000		17,939,000	29,300,000		35,423,000
Total assets	1,737,112,000		1,606,728,000	1,737,112,000		1,606,728,000
Equipment Management [Member]
Segment Reporting Information [Line Items]
Total revenue	1,595,000		2,294,000	3,120,000		4,524,000
Total operating expenses	647,000		1,345,000	1,325,000		2,723,000
Operating income	948,000		949,000	1,795,000		1,801,000
Net income before income taxes and non-controlling interest	948,000		949,000	1,795,000		1,801,000
Total assets	10,317,000		9,254,000	10,317,000		9,254,000
Unallocated [Member]
Segment Reporting Information [Line Items]
Net interest expense	(1,000)		(1,000)	(5,000)		(4,000)
Net income before income taxes and non-controlling interest	$ 1,000		$ 1,000	$ 5,000		$ 4,000

[1] Total assets at June 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, $27,171 and $14,600; Net investment in direct finance leases, $141 and $137; and Rental equipment net of accumulated depreciation, $101,952 and $84,107, respectively.