Property, Plant and Equipment - Additional Information (Details) |
3 Months Ended | 9 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
|
Mar. 31, 2019
USD ($)
|
Sep. 30, 2018
business_line
|
Dec. 31, 2019
USD ($)
|
Sep. 30, 2019
business_line
|
Dec. 31, 2019
USD ($)
business_line
|
Dec. 31, 2018
USD ($)
|
|
| Property, Plant and Equipment [Line Items] | ||||||
| Loss on impairment | $ 0 | $ 0 | $ 50,698,000 | |||
| Number of business lines | business_line | 2 | 2 | 2 | |||
| Estimated fair value | 355,930,000 | $ 355,930,000 | 1,486,169,000 | |||
| Net gains (loss) on asset disposition | $ 384,000 | 226,000 | (1,724,000) | |||
| Barge asset group | ||||||
| Property, Plant and Equipment [Line Items] | ||||||
| Loss on impairment | 44,000,000.0 | |||||
| Gulf of Mexico | Barge asset group | ||||||
| Property, Plant and Equipment [Line Items] | ||||||
| Loss on impairment | 34,200,000 | |||||
| Estimated fair value | 19,700,000 | 19,700,000 | ||||
| International | Barge asset group | ||||||
| Property, Plant and Equipment [Line Items] | ||||||
| Loss on impairment | $ 9,800,000 | |||||
| Estimated fair value | $ 3,400,000 | $ 3,400,000 | ||||
| X | ||||||||||
- Definition Number Of Business Lines No definition available.
|
| X | ||||||||||
- 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|