Segment And Geographic Information (Schedule Of Segment Information) (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2018		Mar. 31, 2017	Dec. 31, 2017
Segment Reporting Information [Line Items]
Total revenue		$ 95,374		$ 81,506
Total operating expenses		60,658		63,555
Operating income		34,716		17,951
Total other expenses		16,864		11,986
Income before income taxes		17,852		5,965
Goodwill		15,794		15,794	$ 15,794
Total assets		2,555,131	[1]	2,068,310	$ 2,428,128	[1]
Purchase of rental equipment	[2]	112,763		48,116
Inter-Segment [Member]
Segment Reporting Information [Line Items]
Total revenue		0
Operating Segments [Member] | Container Leasing [Member]
Segment Reporting Information [Line Items]
Total revenue		64,634		52,954
Total operating expenses		31,349		37,284
Operating income		33,285		15,670
Total other expenses		13,322		9,414
Income before income taxes		19,963		6,256
Total assets		2,056,550		1,643,211
Purchase of rental equipment	[2]	77,116		37,494
Operating Segments [Member] | Rail Leasing [Member]
Segment Reporting Information [Line Items]
Total revenue		9,104		8,053
Total operating expenses		6,906		5,129
Operating income		2,198		2,924
Total other expenses		3,545		2,571
Income before income taxes		(1,347)		353
Total assets		458,412		385,958
Purchase of rental equipment	[2]	35,647		10,622
Operating Segments [Member] | Logistics [Member]
Segment Reporting Information [Line Items]
Total revenue		21,636		20,499
Total operating expenses		22,403		21,142
Operating income		(767)		(643)
Total other expenses		(3)		1
Income before income taxes		(764)		(644)
Goodwill		15,794		15,794
Total assets		$ 40,169		$ 39,141

[1] Total assets at March 31, 2018 and December 31, 2017 include the following assets of certain variable interest entities (VIEs) that can only be used to settle the liabilities of those VIEs: Cash, $22,765 and $20,685; Net investment in direct finance leases, $7,052 and $4,423; and Rental equipment, net of accumulated depreciation, $61,920 and $61,842, respectively.

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