Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Future Commitments to Pay for Usage of Port Facilities (Details 2)

v3.10.0.1
Commitments and Contingencies - Future Commitments to Pay for Usage of Port Facilities (Details 2) - Port Facility Commitments
$ in Thousands
Dec. 31, 2018
USD ($)
Other Commitments [Line Items]  
2019 $ 62,388
2020 73,853
2021 77,829
2022 77,546
2023 79,784
Thereafter 1,366,636
Total minimum annual payments $ 1,738,036