Rental Equipment (Narrative) (Details) $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($)
Property, Plant and Equipment [Line Items]
Impairment of rental equipment	$ 19,167
Railcar Equipment [Member]
Property, Plant and Equipment [Line Items]
Estimated useful life	40 years
Residual Value, Percentage	10.00%

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

No definition available.

Name:	us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration