Discontinued Operations (Narrative) (Details) - Railcar Assets [Member] - Discontinued Operations, Held-for-sale [Member] - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Railcar assets, held for sale	$ 284,513	$ 449,730
Impairment and reclassification Charge	33,000
Impairment of rental equipment	$ 25,632
Estimated useful life	40 years
Residual value percentage	10.00%

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

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