Intangible Assets/Liabilities Other Than Goodwill - Amortization Schedule (Table) (Details) $ in Thousands |
Dec. 31, 2017
USD ($)
|
|---|---|
| Acquired Finite Lived Intangible Assets [Line Items] | |
| Within one year | $ 5,571 |
| Year Two | 5,571 |
| Year Three | 5,578 |
| Year Four | 5,571 |
| Year Five | 5,571 |
| Thereafter | 87,410 |
| Total amortization | 115,272 |
| Trade name | |
| Acquired Finite Lived Intangible Assets [Line Items] | |
| Within one year | 2,811 |
| Year Two | 2,811 |
| Year Three | 2,818 |
| Year Four | 2,811 |
| Year Five | 2,811 |
| Thereafter | 41,202 |
| Total amortization | 55,264 |
| Port terminal operating rights | |
| Acquired Finite Lived Intangible Assets [Line Items] | |
| Within one year | 985 |
| Year Two | 985 |
| Year Three | 985 |
| Year Four | 985 |
| Year Five | 985 |
| Thereafter | 37,338 |
| Total amortization | 42,263 |
| Customer relationships | |
| Acquired Finite Lived Intangible Assets [Line Items] | |
| Within one year | 1,775 |
| Year Two | 1,775 |
| Year Three | 1,775 |
| Year Four | 1,775 |
| Year Five | 1,775 |
| Thereafter | 8,870 |
| Total amortization | $ 17,745 |