Segment And Geographic Information (Schedule Of Segment Information) (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
		Sep. 30, 2017		Sep. 30, 2016	Sep. 30, 2017		Sep. 30, 2016	Dec. 31, 2016
Segment Reporting Information [Line Items]
Container lease income		$ 61,870		$ 49,661	$ 169,784		$ 152,875
Rail lease income		7,279		7,614	23,459		22,462
Logistics revenue		21,012		21,197	61,116		41,743
Total revenue		90,161		78,472	254,359		217,080
Depreciation of rental equipment		27,788		29,873	82,814		77,401
Storage, handling and other expenses		3,506		8,802	16,651		27,176
Logistics transportation costs		17,855		18,045	51,608		35,127
(Gain) loss on sale of used rental equipment		(1,663)		3,323	(2,539)		7,950
Administrative expenses		10,781		11,067	31,212		28,750
Total operating expenses		58,267		71,110	179,746		176,404
Operating income		31,894		7,362	74,613		40,676
Net interest expense		13,959		10,902	37,916		31,535
Other expense		449		85	651		407
Total other expenses		14,408		10,987	38,567		31,942
Income (loss) before income taxes and non-controlling interest		17,486		(3,625)	36,046		8,734
Goodwill		15,794		15,579	15,794		15,579	$ 15,794
Total assets		2,356,157	[1]	2,027,202	2,356,157	[1]	2,027,202	$ 2,055,934	[1]
Purchase of rental equipment	[2]	149,176		40,343	277,769		170,582
Inter-Segment [Member]
Segment Reporting Information [Line Items]
Total revenue					0
Operating Segments [Member] | Container Leasing [Member]
Segment Reporting Information [Line Items]
Total revenue		61,870		49,661	169,784		152,875
Total operating expenses		30,270		45,184	99,788		121,519
Operating income		31,600		4,477	69,996		31,356
Total other expenses		11,537		9,159	30,346		27,203
Income (loss) before income taxes and non-controlling interest		20,063		(4,682)	39,650		4,153
Total assets		1,910,899		1,643,929	1,910,899		1,643,929
Purchase of rental equipment	[2]	132,405		19,730	246,378		68,183
Operating Segments [Member] | Rail Leasing [Member]
Segment Reporting Information [Line Items]
Total revenue		7,279		7,614	23,459		22,462
Total operating expenses		5,534		4,367	16,038		12,363
Operating income		1,745		3,247	7,421		10,099
Total other expenses		2,871		1,827	8,220		4,738
Income (loss) before income taxes and non-controlling interest		(1,126)		1,420	(799)		5,361
Total assets		405,118		343,214	405,118		343,214
Purchase of rental equipment	[2]	16,771		20,613	31,391		102,399
Operating Segments [Member] | Logistics [Member]
Segment Reporting Information [Line Items]
Total revenue		21,012		21,197	61,116		41,743
Total operating expenses		22,463		21,559	63,920		42,522
Operating income		(1,451)		(362)	(2,804)		(779)
Total other expenses				1	1		1
Income (loss) before income taxes and non-controlling interest		(1,451)		(363)	(2,805)		(780)
Goodwill		15,794		15,579	15,794		15,579
Total assets		$ 40,140		40,059	$ 40,140		$ 40,059
Purchase of rental equipment	[2]

[1] Total assets at September 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, $22,445 and $30,449; Net investment in direct finance leases, $4,423 and $7,331; and Rental equipment, net of accumulated depreciation, $58,075 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.