| Vessels, Port Terminals and Other Fixed Assets, net |
| | | | | | | | | | | | | Vessels, Port Terminals and Other Fixed Assets, net | | Cost | | | Accumulated Depreciation | | | Net Book Value | | Balance December 31, 2017 | | $ | 2,553,047 | | | $ | (743,822 | ) | | $ | 1,809,225 | | Additions | | | 6,493 | | | | (71,062 | ) | | | (64,569 | ) | Impairment losses | | | (59,003 | ) | | | 43,999 | | | | (15,004 | ) | Vessel disposals | | | (94,767 | ) | | | — | | | | (94,767 | ) | Other disposals | | | (156 | ) | | | 137 | | | | (19 | ) | Write offs | | | (55 | ) | | | 21 | | | | (34 | ) | Vessel acquisition | | | 10,255 | | | | (53 | ) | | | 10,202 | | Transfers from deposits for vessels, port terminal and other fixed assets, net | | | 49,421 | | | | — | | | | 49,421 | | Transfers to other long term-assets | | | (26 | ) | | | — | | | | (26 | ) | | | | | | | | | | | | | | Balance September 30, 2018 | | $ | 2,465,209 | | | $ | (770,780 | ) | | $ | 1,694,429 | | | | | | | | | | | | | | |
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| | | | | | | | | | Vessels | | Cost | | Accumulated Depreciation | | Net Book Value | Balance December 31, 2014 | | $ | 1,841,140 | | $ | (376,794) | | $ | 1,464,346 | Additions | | | — | | | (70,894) | | | (70,894) | Balance December 31, 2015 | | | 1,841,140 | | | (447,688) | | | 1,393,452 | Additions | | | 60,115 | | | (73,847) | | | (13,732) | Transfers | | | 29,695 | | | — | | | 29,695 | Balance December 31, 2016 | | | 1,930,950 | | | (521,535) | | | 1,409,415 | Additions | | | — | | | (73,017) | | | (73,017) | Impairment losses | | | (104,157) | | | 58,034 | | | (46,123) | Disposals | | | (11,828) | | | — | | | (11,828) | Balance December 31, 2017 | | $ | 1,814,965 | | $ | (536,518) | | $ | 1,278,447 | | | | | | | | | | | Port Terminals (Navios Logistics) | | Cost | | Accumulated Depreciation | | Net Book Value | Balance December 31, 2014 | | $ | 106,399 | | $ | (20,467) | | $ | 85,932 | Additions | | | 2,287 | | | (3,431) | | | (1,144) | Balance December 31, 2015 | | | 108,686 | | | (23,898) | | | 84,788 | Additions | | | 2,051 | | | (3,493) | | | (1,442) | Transfers | | | (1,513) | | | — | | | (1,513) | Balance December 31, 2016 | | | 109,224 | | | (27,391) | | | 81,833 | Additions | | | 5,060 | | | (5,237) | | | (177) | Transfers from deposits for vessels, port terminals and other fixed assets | | | 137,357 | | | — | | | 137,357 | Balance December 31, 2017 | | $ | 251,641 | | $ | (32,628) | | $ | 219,013 | | | | | | | | | | | | | | | | | Tanker vessels, barges and pushboats (Navios Logistics) | | Cost | | Accumulated Depreciation | | Net Book Value | Balance December 31, 2014 | | $ | 464,966 | | $ | (111,137) | | $ | 353,829 | Additions | | | 6,188 | | | (20,007) | | | (13,819) | Restructure of capital lease | | | (210) | | | — | | | (210) | Balance December 31, 2015 | | | 470,944 | | | (131,144) | | | 339,800 | Additions | | | 738 | | | (18,894) | | | (18,156) | Transfers | | | 3,696 | | | — | | | 3,696 | Balance December 31, 2016 | | | 475,378 | | | (150,038) | | | 325,340 | Additions | | | 5,531 | | | (17,603) | | | (12,072) | Disposals | | | (3,585) | | | 3,585 | | | — | Revaluation of vessels due to termination of capital lease obligation | | | (5,243) | | | — | | | (5,243) | Balance December 31, 2017 | | $ | 472,081 | | $ | (164,056) | | $ | 308,025 | | | | | | | | | | | | | | | | | | | | |
| | | | | | | | | | Other fixed assets | | Cost | | Accumulated Depreciation | | Net Book Value | Balance December 31, 2014 | | $ | 13,426 | | $ | (6,390) | | $ | 7,036 | Additions | | | 443 | | | (1,558) | | | (1,115) | Balance December 31, 2015 | | | 13,869 | | | (7,948) | | | 5,921 | Additions | | | 2,250 | | | (1,475) | | | 775 | Transfers | | | (2,183) | | | — | | | (2,183) | Balance December 31, 2016 | | | 13,936 | | | (9,423) | | | 4,513 | Additions | | | 531 | | | (1,257) | | | (726) | Disposals | | | (75) | | | 28 | | | (47) | Write offs | | | (32) | | | 32 | | | — | Balance December 31, 2017 | | $ | 14,360 | | $ | (10,620) | | $ | 3,740 | | | | | | | | | | | | | | | | | | Total | | Cost | | Accumulated Depreciation | | Net Book Value | Balance December 31, 2014 | | $ | 2,425,931 | | $ | (514,788) | | $ | 1,911,143 | Additions | | | 8,918 | | | (95,890) | | | (86,972) | Restructure of capital lease | | | (210) | | | — | | | (210) | Balance December 31, 2015 | | | 2,434,639 | | | (610,678) | | | 1,823,961 | Additions | | | 65,154 | | | (97,709) | | | (32,555) | Transfers | | | 29,695 | | | — | | | 29,695 | Balance December 31, 2016 | | | 2,529,488 | | | (708,387) | | | 1,821,101 | Additions | | | 11,122 | | | (97,114) | | | (85,992) | Impairment losses | | | (104,157) | | | 58,034 | | | (46,123) | Disposals | | | (15,488) | | | 3,613 | | | (11,875) | Write offs | | | (32) | | | 32 | | | — | Revaluation of vessels due to termination of capital lease obligation | | | (5,243) | | | — | | | (5,243) | Transfers from deposits for vessels, port terminals and other fixed assets | | | 137,357 | | | — | | | 137,357 | Balance December 31, 2017 | | $ | 2,553,047 | | $ | (743,822) | | $ | 1,809,225 | | | | | | | | | | | | | | | | | | | | | |
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