Vessels, Port Terminal and Other Fixed Assets, Net (Table) (Details) - USD ($)
$ in Thousands |
6 Months Ended |
Jun. 30, 2018 |
Jun. 30, 2017 |
| Property Plant And Equipment [Line Items] |
|
|
| Balance |
$ 1,809,225
|
|
| Additions |
(42,707)
|
|
| Impairment losses |
(12,081)
|
|
| Vessel disposals |
(7,682)
|
|
| Other disposals |
(19)
|
|
| Write offs |
(34)
|
|
| Vessel acquisition |
10,202
|
|
| Revaluation of vessels due to termination of capital lease obligation |
0
|
$ 5,243
|
| Transfers from deposits for vessels, port terminals and other fixed assets, net |
32,032
|
$ 137,357
|
| Balance |
1,788,936
|
|
| Cost |
|
|
| Property Plant And Equipment [Line Items] |
|
|
| Balance |
2,553,047
|
|
| Additions |
5,111
|
|
| Impairment losses |
(48,007)
|
|
| Vessel disposals |
(7,682)
|
|
| Other disposals |
(156)
|
|
| Write offs |
(34)
|
|
| Vessel acquisition |
10,255
|
|
| Transfers from deposits for vessels, port terminals and other fixed assets, net |
32,032
|
|
| Balance |
2,544,566
|
|
| Accumulated Depreciation |
|
|
| Property Plant And Equipment [Line Items] |
|
|
| Balance |
(743,822)
|
|
| Additions |
(47,818)
|
|
| Impairment losses |
35,926
|
|
| Other disposals |
137
|
|
| Vessel acquisition |
(53)
|
|
| Balance |
(755,630)
|
|
| Net Book Value |
|
|
| Property Plant And Equipment [Line Items] |
|
|
| Balance |
1,809,225
|
|
| Additions |
(42,707)
|
|
| Impairment losses |
(12,081)
|
|
| Vessel disposals |
(7,682)
|
|
| Other disposals |
(19)
|
|
| Write offs |
(34)
|
|
| Vessel acquisition |
10,202
|
|
| Transfers from deposits for vessels, port terminals and other fixed assets, net |
32,032
|
|
| Balance |
$ 1,788,936
|
|