Segment And Geographic Information (Schedule Of Segment Information) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting Information [Line Items]
Total revenue		$ 75,725	$ 80,748	$ 150,641	$ 164,140
Total operating expenses		41,158	50,122	99,171	87,367
Operating income		34,567	30,626	51,470	76,773
Net interest and other expenses		17,498	23,328	38,123	47,220
Income before income taxes		17,069	7,298	13,347	29,553
Purchase of rental equipment	[1]	5,120	90,383	32,620	231,595
Operating Segments [Member] | Container Leasing [Member]
Segment Reporting Information [Line Items]
Total revenue		69,443	74,286	138,556	149,797
Total operating expenses		36,757	40,026	73,396	78,740
Operating income		32,686	34,260	65,160	71,057
Net interest and other expenses		16,037	20,144	34,557	40,091
Income before income taxes		16,649	14,116	30,603	30,966
Purchase of rental equipment	[1]	5,120	59,352	32,620	167,442
Operating Segments [Member] | Rail Leasing [Member]
Segment Reporting Information [Line Items]
Total revenue		6,282	6,462	12,085	14,343
Total operating expenses		4,401	10,096	25,775	8,627
Operating income		1,881	(3,634)	(13,690)	5,716
Net interest and other expenses		1,461	3,184	3,566	7,129
Income before income taxes		$ 420	(6,818)	$ (17,256)	(1,413)
Purchase of rental equipment	[1]		$ 31,031		$ 64,153

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