Segment And Geographic Information (Schedule Of Segment Information) (Details) - USD ($) $ in Thousands		3 Months Ended																12 Months Ended
		Dec. 31, 2016		Sep. 30, 2016	[3]	Jun. 30, 2016	[3]	Mar. 31, 2016	[3]	Dec. 31, 2015		Sep. 30, 2015	[3]	Jun. 30, 2015	[3]	Mar. 31, 2015	[3]	Dec. 31, 2016		Dec. 31, 2015		Dec. 31, 2014
Segment Reporting Information [Line Items]
Container lease income	[1]																	$ 200,186		$ 217,505		$ 210,756	[2]
Rail lease income	[1]																	30,490		17,433		10,336	[2]
Logistics revenue	[1]																	61,536		11,502
Management fee revenue	[1]																	2,142		3,227		6,497	[2]
Total revenue		$ 77,274	[3]	$ 78,472		$ 71,642		$ 66,966		$ 65,692	[3]	$ 66,117		$ 59,366		$ 58,492		294,354	[1]	249,667	[1]	227,589	[1],[2]
Depreciation of rental equipment	[1]																	104,877		113,590		77,976	[2]
Storage, handling and other expenses	[1]																	35,862		30,194		26,043	[2]
Logistics transportation costs	[1]																	51,980		10,172
Loss (gain) on sale of used rental equipment	[1]																	12,671		654		(6,522)	[2]
Administrative expenses	[1]																	35,678		27,617		26,538	[2]
Total operating expenses		64,664	[3]	71,110		56,784		48,510		68,292	[3]	42,861		36,232		34,842		241,068	[1]	182,227	[1]	124,035	[1],[2]
Operating income		12,610	[3]	$ 7,362		$ 14,858		$ 18,456		(2,600)	[3]	$ 23,256		$ 23,134		$ 23,650		53,286	[1]	67,440	[1]	103,554	[1],[2]
Net interest expense	[1]																	42,754		36,271		35,592	[2]
Other expense	[1]																	654		182		773	[2]
Total other expenses	[1]																	43,408		36,453		36,365	[2]
Net income before income taxes and non-controlling interest	[1]																	9,878		30,987		67,189	[2]
Goodwill	[1]	15,794								2,905	[4]							15,794		2,905	[4]
Total assets	[1],[5]	2,055,934								1,973,585	[4]							2,055,934		1,973,585	[4]
Purchase of rental equipment	[1],[6]																	251,165		389,331		307,283	[2]
Inter-Segment [Member]
Segment Reporting Information [Line Items]
Total revenue																		0
Operating Segments [Member] | Container Leasing [Member]
Segment Reporting Information [Line Items]
Container lease income	[1]																	200,186		217,505		210,756
Management fee revenue	[1]																	2,142		3,227		6,497
Total revenue	[1]																	202,328		220,732		217,253
Depreciation of rental equipment	[1]																	95,755		108,996		75,150
Storage, handling and other expenses	[1]																	32,465		27,653		23,841
Loss (gain) on sale of used rental equipment	[1]																	12,750		2,276		(6,506)
Administrative expenses	[1]																	20,453		21,969		24,180
Total operating expenses	[1]																	161,423		160,894		116,665
Operating income	[1]																	40,905		59,838		100,588
Net interest expense	[1]																	35,784		33,156		33,599
Other expense	[1]																	654		182		773
Total other expenses	[1]																	36,438		33,338		34,372
Net income before income taxes and non-controlling interest	[1]																	4,467		26,500		66,216
Total assets	[1]	1,638,263								1,728,389								1,638,263		1,728,389
Purchase of rental equipment	[1],[6]																	118,374		226,469		289,921
Operating Segments [Member] | Rail Leasing [Member]
Segment Reporting Information [Line Items]
Rail lease income	[1]																	30,490		17,433		10,336
Total revenue	[1]																	30,490		17,433		10,336
Depreciation of rental equipment	[1]																	9,122		4,594		2,826
Storage, handling and other expenses	[1]																	3,386		2,540		2,202
Loss (gain) on sale of used rental equipment	[1]																	33		(1,622)		(16)
Administrative expenses	[1]																	3,759		3,131		2,358
Total operating expenses	[1]																	16,300		8,643		7,370
Operating income	[1]																	14,190		8,790		2,966
Net interest expense	[1]																	6,970		3,109		1,993
Total other expenses	[1]																	6,970		3,109		1,993
Net income before income taxes and non-controlling interest	[1]																	7,220		5,681		973
Total assets	[1]	378,059								238,896								378,059		238,896
Purchase of rental equipment	[1],[6]																	132,791		162,862		17,362
Operating Segments [Member] | Logistics [Member]
Segment Reporting Information [Line Items]
Container lease income	[1]
Rail lease income	[1]
Logistics revenue	[1]																	61,536		11,502
Management fee revenue	[1]
Total revenue	[1]																	61,536		11,502
Depreciation of rental equipment	[1]
Storage, handling and other expenses	[1]																	11		1
Logistics transportation costs	[1]																	51,980		10,172
Loss (gain) on sale of used rental equipment	[1]																	(112)
Administrative expenses	[1]																	11,466		2,517
Total operating expenses	[1]																	63,345		12,690
Operating income	[1]																	(1,809)		(1,188)
Net interest expense	[1]																			6
Other expense	[1]
Total other expenses	[1]																			6
Net income before income taxes and non-controlling interest	[1]																	(1,809)		(1,194)
Goodwill	[1]	15,794								2,905								15,794		2,905
Total assets	[1]	$ 39,612								$ 6,300								$ 39,612		6,300
Purchase of rental equipment	[1],[6]

[1] Amounts for the years ended December 31, 2015 and 2014 have been restated for immaterial corrections of identified errors relating to prepaid loan fees (see Note 2 (b) "Correction of Immaterial Errors").

[2] At the inception of the lease, the Company records the total minimum lease payments, executory costs, if any, and unguaranteed residual value as gross finance lease receivables. The gross finance lease receivables are reduced as customer payments are received. There was $2.1 million and no unguaranteed residual value, respectively, at December 31, 2016 and 2015, included in gross finance lease receivables. There were no executory costs included in gross finance lease receivables as of December 31, 2016 and 2015.

[3] Amounts for the quarters ended March 31, 2016 and 2015, June 30, 2016 and 2015, September 30, 2016 and 2015, and December 31, 2015 have been restated for immaterial corrections of identified errors relating to prepaid loan fees (see Note 2 (b) "Correction of Immaterial Errors")

[4] Amounts for the year ended December 31, 2015 have been restated for immaterial corrections of identified errors relating to prepaid loan fees (see Note 2 (b) "Correction of Immaterial Errors").

[5] Total assets at December 31, 2016 and December 31, 2015 include the following assets of certain variable interest entities (VIEs) that can only be used to settle the liabilities of those VIEs: Cash, $30,449 and $35,106; Net investment in direct finance leases, $7,331 and $1,915; and Rental equipment net of accumulated depreciation, $62,477 and $85,101, respectively.

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