| Accrued expenses and Other Liabilities |
| | | | | | | | | | December 31, 2017 | | | December 31, 2016 | Payroll | | $ | 18,889 | | | $ | 14,730 | Accrued interest | | | 32,555 | | | | 36,273 | Accrued voyage expenses | | | 4,843 | | | | 2,217 | Accrued running costs | | | 23,812 | | | | 21,394 | Provision for estimated losses on vessels under time charter | | | 2,631 | | | | 3,129 | Audit fees and related services | | | 364 | | | | 266 | Accrued taxes | | | 5,376 | | | | 5,092 | Professional fees | | | 2,236 | | | | 1,707 | Other accrued expenses | | | 4,153 | | | | 6,941 | Total accrued expenses | | $ | 94,859 | | | $ | 91,749 |
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