| Revenue per category |
| | Dry Bulk Vessel Operations for the Three Month Period Ended June 30, 2020 | | Logistics Business for the Three Month Period Ended June 30, 2020 | | Total for the Three Month Period Ended June 30, 2020 | COA/Voyage revenue | | $ | 2,793 | | $ | 14,496 | | $ | 17,289 | Time chartering revenue | | $ | 35,680 | | $ | 16,286 | | $ | 51,966 | Port terminal revenue | | $ | — | | $ | 21,636 | | $ | 21,636 | Storage fees (dry port) revenue | | $ | — | | $ | 19 | | $ | 19 | Dockage revenue | | $ | — | | $ | 1,476 | | $ | 1,476 | Sale of products revenue | | $ | — | | $ | 3,409 | | $ | 3,409 | Liquid port terminal revenue | | $ | — | | $ | 1,271 | | $ | 1,271 | Other | | $ | (171) | | $ | 232 | | $ | 61 | Total | | $ | 38,302 | | $ | 58,825 | | $ | 97,127 |
| | Dry Bulk Vessel Operations for the Three Month Period Ended June 30, 2019 | | Logistics Business for the Three Month Period Ended June 30, 2019 | | Total for the Three Month Period Ended June 30, 2019 | COA/Voyage revenue | | $ | — | | $ | 15,364 | | $ | 15,364 | Time chartering revenue | | $ | 52,856 | | $ | 20,661 | | $ | 73,517 | Port terminal revenue | | $ | — | | $ | 19,683 | | $ | 19,683 | Storage fees (dry port) revenue | | $ | — | | $ | 437 | | $ | 437 | Dockage revenue | | $ | — | | $ | 1,083 | | $ | 1,083 | Sale of products revenue | | $ | — | | $ | 2,097 | | $ | 2,097 | Liquid port terminal revenue | | $ | — | | $ | 932 | | $ | 932 | Other | | $ | 44 | | $ | 354 | | $ | 398 | Total | | $ | 52,900 | | $ | 60,611 | | $ | 113,511 |
| | Dry Bulk Vessel Operations for the Six Month Period Ended June 30, 2020 | | Logistics Business for the Six Month Period Ended June 30, 2020 | | Total for the Six Month Period Ended June 30, 2020 | COA/Voyage revenue | | $ | 2,793 | | $ | 25,946 | | $ | 28,739 | Time chartering revenue | | $ | 69,705 | | $ | 35,312 | | $ | 105,017 | Port terminal revenue | | $ | — | | $ | 35,828 | | $ | 35,828 | Storage fees (dry port) revenue | | $ | — | | $ | 2,842 | | $ | 2,842 | Dockage revenue | | $ | — | | $ | 1,909 | | $ | 1,909 | Sale of products revenue | | $ | — | | $ | 11,257 | | $ | 11,257 | Liquid port terminal revenue | | $ | — | | $ | 2,267 | | $ | 2,267 | Other | | $ | 64 | | $ | 287 | | $ | 351 | Total | | $ | 72,562 | | $ | 115,648 | | $ | 188,210 |
| | Dry Bulk Vessel Operations for the Six Month Period Ended June 30, 2019 | | Logistics Business for the Six Month Period Ended June 30, 2019 | | Total for the Six Month Period Ended June 30, 2019 | COA/Voyage revenue | | $ | — | | $ | 27,793 | | $ | 27,793 | Time chartering revenue | | $ | 105,521 | | $ | 38,615 | | $ | 144,136 | Port terminal revenue | | $ | — | | $ | 36,657 | | $ | 36,657 | Storage fees (dry port) revenue | | $ | — | | $ | 896 | | $ | 896 | Dockage revenue | | $ | — | | $ | 1,603 | | $ | 1,603 | Sale of products revenue | | $ | — | | $ | 8,156 | | $ | 8,156 | Liquid port terminal revenue | | $ | — | | $ | 2,159 | | $ | 2,159 | Other | | $ | 61 | | $ | 498 | | $ | 559 | Total | | $ | 105,582 | | $ | 116,377 | | $ | 221,959 |
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