Amount classified as assets attributable to disposal group held for sale or disposed of.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Discontinued Operations (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2019	Sep. 30, 2019	Dec. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss on assets reclassified as held for sale	$ 7,300
Railcar Assets [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Railcar assets, held for sale		$ 284,791	$ 449,730
Impairment of rental equipment		$ 25,632