Discontinued Operations (Summary Of Held For Sale Railcar Assets) (Details) - Discontinued Operations, Held-for-sale [Member] - Railcar Assets [Member] - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Rental equipment	$ 315,059	$ 448,466
Other assets	2,409	1,264
Loss on classification held for sale	(7,323)
Impairment of rental equipment	(25,632)
Assets held for sale	$ 284,513	$ 449,730

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

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