Segment Information (Details Narrative) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Segment Reporting Information [Line Items] | |||
| Property, Plant and Equipment, Net | $ 950,002 | $ 1,139,539 | |
| Repayments of Advances for Construction | 19,498 | 5,153 | $ 4,504 |
| Dry bulk vessels [Member] | |||
| Segment Reporting Information [Line Items] | |||
| Property, Plant and Equipment, Net | 427,385 | 627,569 | |
| Logistics Business [Member] | |||
| Segment Reporting Information [Line Items] | |||
| Property, Plant and Equipment, Net | 520,036 | $ 509,283 | |
| Repayments of Advances for Construction | $ 4,046 | ||