Segment And Geographic Information (Schedule Of Segment Information) (Details) - USD ($) $ in Thousands		3 Months Ended			6 Months Ended
		Jun. 30, 2017		Jun. 30, 2016	Jun. 30, 2017		Jun. 30, 2016	Dec. 31, 2016
Segment Reporting Information [Line Items]
Container lease income		$ 54,960		$ 51,669	$ 107,914		$ 103,214
Rail lease income		8,127		7,591	16,180		14,848
Logistics revenue		19,605		12,382	40,104		20,546
Total revenue		82,692		71,642	164,198		138,608
Depreciation of rental equipment		27,054		24,494	55,026		47,528
Storage, handling and other expenses		6,192		9,323	13,145		18,374
Logistics transportation costs		16,682		10,140	33,753		17,082
(Gain) loss on sale of used rental equipment		(1,749)		3,894	(876)		4,627
Administrative expenses		9,745		8,933	20,431		17,683
Total operating expenses		57,924		56,784	121,479		105,294
Operating income		24,768		14,858	42,719		33,314
Net interest expense		12,285		10,591	23,957		20,633
Other (income) expense		(112)		192	202		322
Total other expenses		12,173		10,783	24,159		20,955
Net income before income taxes and non-controlling interest		12,595		4,075	18,560		12,359
Goodwill		15,794		15,482	15,794		15,482	$ 15,794
Total assets		2,110,704	[1]	2,035,127	2,110,704	[1]	2,035,127	$ 2,055,934	[1]
Purchase of rental equipment	[2]	80,477		84,395	128,593		130,239
Inter-Segment [Member]
Segment Reporting Information [Line Items]
Total revenue					0
Operating Segments [Member] | Container Leasing [Member]
Segment Reporting Information [Line Items]
Total revenue		54,960		51,669	107,914		103,214
Total operating expenses		32,234		40,048	69,518		76,335
Operating income		22,726		11,621	38,396		26,879
Total other expenses		9,395		9,274	18,809		18,044
Net income before income taxes and non-controlling interest		13,331		2,347	19,587		8,835
Total assets		1,684,166		1,672,310	1,684,166		1,672,310
Purchase of rental equipment	[2]	76,479		28,235	113,973		48,453
Operating Segments [Member] | Rail Leasing [Member]
Segment Reporting Information [Line Items]
Total revenue		8,127		7,591	16,180		14,848
Total operating expenses		5,375		4,202	10,504		7,996
Operating income		2,752		3,389	5,676		6,852
Total other expenses		2,778		1,509	5,349		2,911
Net income before income taxes and non-controlling interest		(26)		1,880	327		3,941
Total assets		386,648		323,456	386,648		323,456
Purchase of rental equipment	[2]	3,998		56,160	14,620		81,786
Operating Segments [Member] | Logistics [Member]
Segment Reporting Information [Line Items]
Total revenue		19,605		12,382	40,104		20,546
Total operating expenses		20,315		12,534	41,457		20,963
Operating income		(710)		(152)	(1,353)		(417)
Total other expenses					1
Net income before income taxes and non-controlling interest		(710)		(152)	(1,354)		(417)
Goodwill		15,794		15,482	15,794		15,482
Total assets		$ 39,890		39,361	$ 39,890		$ 39,361
Purchase of rental equipment	[2]

[1] Total assets at June 30, 2017 and December 31, 2016 include the following assets of certain variable interest entities (VIEs) that can only be used to settle the liabilities of those VIEs: Cash, $15,461 and $30,449; Net investment in direct finance leases, $8,204 and $7,331; and Rental equipment, net of accumulated depreciation, $57,697 and $62,477, respectively.

[2] Represents cash disbursements for purchasing of rental equipment as reflected in the consolidated statements of cash flows for the periods indicated.