Segment And Geographic Information (Schedule Of Segment Information) (Details) - USD ($) $ in Thousands		3 Months Ended								12 Months Ended
		Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Container lease income										$ 217,505	$ 210,756	$ 197,360
Rail lease income										17,433	10,336	7,179
Logistics revenue										11,502
Management fee revenue										3,227	6,497	7,866
Total revenue		$ 65,692	$ 66,117	$ 59,366	$ 58,492	$ 58,810	$ 59,203	$ 55,312	$ 54,264	249,667	227,589	212,405
Depreciation of rental equipment										113,590	77,976	67,109
Storage, handling and other expenses										30,194	26,043	19,257
Logistics transportation costs										10,172
Loss (gain) on sale of used rental equipment										654	(6,522)	(7,356)
Administrative expenses										27,617	26,538	24,628
Total operating expenses		68,292	42,861	36,232	34,842	31,595	31,954	30,815	29,671	182,227	124,035	103,638
Operating income		(2,600)	$ 23,256	$ 23,134	$ 23,650	27,215	$ 27,249	$ 24,497	$ 24,593	67,440	103,554	108,767
Net interest expense										36,034	35,205	36,000
Other expense										182	773	1,190
Other expense										36,216	35,978	37,190
Net income before income taxes and non-controlling interest										31,224	67,576	71,577
Goodwill		2,905								2,905
Total assets	[1]	1,986,544				1,795,840				1,986,544	1,795,840
Purchase of rental equipment										389,331	307,283	312,144
Operating Segments [Member] | Container Leasing [Member]
Segment Reporting Information [Line Items]
Container lease income										217,505	210,756	197,360
Management fee revenue										3,227	6,497	7,866
Total revenue										220,732	217,253	205,226
Depreciation of rental equipment										108,996	75,150	65,122
Storage, handling and other expenses										27,653	23,841	17,293
Loss (gain) on sale of used rental equipment										2,276	(6,506)	(7,342)
Administrative expenses										21,969	24,180	23,369
Total operating expenses										160,894	116,665	98,442
Operating income										59,838	100,588	106,784
Net interest expense										32,919	33,212	34,501
Other expense										182	773	1,190
Other expense										33,101	33,985	35,691
Net income before income taxes and non-controlling interest										26,737	66,603	71,093
Total assets		1,738,829				1,708,266				1,738,829	1,708,266
Purchase of rental equipment										226,469	289,921	293,379
Operating Segments [Member] | Rail Leasing [Member]
Segment Reporting Information [Line Items]
Rail lease income										17,433	10,336	7,179
Total revenue										17,433	10,336	7,179
Depreciation of rental equipment										4,594	2,826	1,987
Storage, handling and other expenses										2,540	2,202	1,964
Loss (gain) on sale of used rental equipment										(1,622)	(16)	(14)
Administrative expenses										3,131	2,358	1,259
Total operating expenses										8,643	7,370	5,196
Operating income										8,790	2,966	1,983
Net interest expense										3,109	1,993	1,499
Other expense										3,109	1,993	1,499
Net income before income taxes and non-controlling interest										5,681	973	484
Total assets		241,415				$ 87,574				241,415	87,574
Purchase of rental equipment										162,862	$ 17,362	$ 18,765
Operating Segments [Member] | Logistics [Member]
Segment Reporting Information [Line Items]
Container lease income
Rail lease income
Logistics revenue										11,502
Management fee revenue
Total revenue										11,502
Depreciation of rental equipment
Storage, handling and other expenses										1
Logistics transportation costs										10,172
Loss (gain) on sale of used rental equipment
Administrative expenses										2,517
Total operating expenses										12,690
Operating income										(1,188)
Net interest expense										6
Other expense
Other expense										6
Net income before income taxes and non-controlling interest										(1,194)
Goodwill		2,905								2,905
Total assets		$ 6,300								$ 6,300
Purchase of rental equipment

[1] Total assets at December 31, 2015 and December 31, 2014 include the following assets of certain variable interest entities (VIEs) that can only be used to settle the liabilities of those VIEs: Cash, $35,106 and $26,011; Net investment in direct finance leases, $1,915 and $156; and Rental equipment net of accumulated depreciation, $85,101 and $102,100, respectively.