Summary of Significant Accounting Policies - Revenue per Category (Table) (Details) - USD ($)
$ in Thousands |
12 Months Ended |
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
| Revenue |
$ 585,818
|
$ 416,718
|
$ 482,449
|
| COA/Voyage revenue [Member] |
|
|
|
| Revenue |
101,840
|
60,665
|
53,215
|
| Time chartering revenue [Member] |
|
|
|
| Revenue |
378,464
|
253,241
|
326,867
|
| Port terminal revenue [Member] |
|
|
|
| Revenue |
78,740
|
73,112
|
80,180
|
| Storage fees (dry port) revenue [Member] |
|
|
|
| Revenue |
1,518
|
3,364
|
3,452
|
| Dockage revenue [Member] |
|
|
|
| Revenue |
3,876
|
3,948
|
4,310
|
| Sale of products revenue [Member] |
|
|
|
| Revenue |
13,776
|
17,272
|
9,384
|
| Liquid port terminal revenue [Member] |
|
|
|
| Revenue |
5,734
|
4,606
|
4,032
|
| Other [Member] |
|
|
|
| Revenue |
1,870
|
510
|
1,009
|
| Dry Bulk Vessel Operations [Member] |
|
|
|
| Revenue |
362,342
|
200,793
|
254,178
|
| Dry Bulk Vessel Operations [Member] | COA/Voyage revenue [Member] |
|
|
|
| Revenue |
24,355
|
6,660
|
3,727
|
| Dry Bulk Vessel Operations [Member] | Time chartering revenue [Member] |
|
|
|
| Revenue |
337,018
|
194,005
|
250,187
|
| Dry Bulk Vessel Operations [Member] | Port terminal revenue [Member] |
|
|
|
| Revenue |
0
|
0
|
0
|
| Dry Bulk Vessel Operations [Member] | Storage fees (dry port) revenue [Member] |
|
|
|
| Revenue |
0
|
0
|
0
|
| Dry Bulk Vessel Operations [Member] | Dockage revenue [Member] |
|
|
|
| Revenue |
0
|
0
|
0
|
| Dry Bulk Vessel Operations [Member] | Sale of products revenue [Member] |
|
|
|
| Revenue |
0
|
0
|
0
|
| Dry Bulk Vessel Operations [Member] | Liquid port terminal revenue [Member] |
|
|
|
| Revenue |
0
|
0
|
0
|
| Dry Bulk Vessel Operations [Member] | Other [Member] |
|
|
|
| Revenue |
969
|
128
|
264
|
| Logistics Business [Member] |
|
|
|
| Revenue |
223,476
|
215,925
|
228,271
|
| Logistics Business [Member] | COA/Voyage revenue [Member] |
|
|
|
| Revenue |
77,485
|
54,005
|
49,488
|
| Logistics Business [Member] | Time chartering revenue [Member] |
|
|
|
| Revenue |
41,446
|
59,236
|
76,680
|
| Logistics Business [Member] | Port terminal revenue [Member] |
|
|
|
| Revenue |
78,740
|
73,112
|
80,180
|
| Logistics Business [Member] | Storage fees (dry port) revenue [Member] |
|
|
|
| Revenue |
1,518
|
3,364
|
3,452
|
| Logistics Business [Member] | Dockage revenue [Member] |
|
|
|
| Revenue |
3,876
|
3,948
|
4,310
|
| Logistics Business [Member] | Sale of products revenue [Member] |
|
|
|
| Revenue |
13,776
|
17,272
|
9,384
|
| Logistics Business [Member] | Liquid port terminal revenue [Member] |
|
|
|
| Revenue |
5,734
|
4,606
|
4,032
|
| Logistics Business [Member] | Other [Member] |
|
|
|
| Revenue |
$ 901
|
$ 382
|
$ 745
|