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v3.21.1

Segment Data (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 USD ($) Segment | Mar. 31, 2020 USD ($) | Dec. 31, 2020 USD ($)
Segment Data [Abstract] |  |  |
Number of reportable segments | Segment | 2 |  |
Revenues [Abstract] |  |  |
Revenues | $ 496,850,000 | $ 643,926,000 |
Segment profit (loss) | (4,011,000) | (519,772,000) |
Total assets | 5,788,086,000 |  | $ 5,924,174,000
Other segment disclosures [Abstract] |  |  |
Gain on disposition of assets | 2,133,000 | 492,000 |
Interest expense | (10,966,000) | (12,799,000) |
Loss before taxes on income | (4,011,000) | (519,772,000) |
Marine Transportation [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 300,951,000 | 403,257,000 |
Distribution and Services [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 195,899,000 | 240,669,000 |
Other [Member] |  |  |
Revenues [Abstract] |  |  |
Segment profit (loss) | (8,862,000) | (574,206,000) |
Total assets | 211,688,000 |  | 357,894,000
Other segment disclosures [Abstract] |  |  |
General corporate expenses | (3,820,000) | (3,348,000) |
Gain on disposition of assets | 2,133,000 | 492,000 |
Impairments and other charges | 0 | (561,274,000) |
Interest expense | (10,966,000) | (12,799,000) |
Other income | 3,791,000 | 2,723,000 |
Loss before taxes on income | (8,862,000) | (574,206,000) |
Details of "Other" total assets [Abstract] |  |  |
General corporate assets | 209,971,000 |  | 355,205,000
Investment in affiliates | 1,717,000 |  | 2,689,000
Total other assets | 211,688,000 |  | 357,894,000
Reporting Segments [Member] | Marine Transportation [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 300,951,000 | 403,257,000 |
Segment profit (loss) | 1,940,000 | 50,716,000 |
Total assets | 4,742,604,000 |  | 4,760,449,000
Other segment disclosures [Abstract] |  |  |
Loss before taxes on income | 1,940,000 | 50,716,000 |
Reporting Segments [Member] | Distribution and Services [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 195,899,000 | 240,669,000 |
Segment profit (loss) | 2,911,000 | 3,718,000 |
Total assets | 833,794,000 |  | $ 805,831,000
Other segment disclosures [Abstract] |  |  |
Loss before taxes on income | 2,911,000 | 3,718,000 |
Intersegment Eliminations [Member] |  |  |
Revenues [Abstract] |  |  |
Revenues | 4,903,000 | 10,286,000 |
Segment profit (loss) | 490,000 | 1,029,000 |
Other segment disclosures [Abstract] |  |  |
Loss before taxes on income | $ 490,000 | $ 1,029,000 |

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