Goodwill and Other Intangible Assets (Goodwill Narrative) (Details) $ in Millions	9 Months Ended	12 Months Ended
Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Goodwill [Line Items]
Goodwill impairment		$ 73.5
Logistics
Goodwill [Line Items]
Goodwill impairment	$ 73.5	$ 73.5
Logistics \| Discount Rate
Goodwill [Line Items]
Discount rate	0.12

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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