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Goodwill and Other Intangible Assets (Intangible Assets Narrative) (Details) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2019 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Long-lived asset and goodwill impairment |  | $ 0.0 | $ 247.4 | $ 0.0
Total amortization expense of intangible assets |  | $ 2.5 | $ 8.8 | $ 11.1
Permits |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Useful life |  | 22 years |  |
Convent Marine Terminal |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Impairment of property, plants and equipments | $ 113.3 |  |  |
Convent Marine Terminal | Permits |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Useful life |  | 27 years |  |
Average remaining renewal term |  | 3 years 4 months 24 days |  |
Convent Marine Terminal | Discount Rate |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Discount rate | 0.11 |  |  |
Long-lived assets | Logistics |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Long-lived asset and goodwill impairment | $ 173.9 |  |  |
Long-lived assets | Convent Marine Terminal |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Fair value of long-lived assets | 112.1 |  |  |
Long-lived asset and goodwill impairment | $ 60.6 |  |  |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228 + Details
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