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Vessel Operating Expenses (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Operating Expenses [Abstract] |  |  |
Crew wages and related costs | $ 33,655 | $ 33,340 | $ 30,948
Insurance | 3,409 | 3,163 | 3,148
Repairs, maintenance and drydocking costs | 8,922 | 6,606 | 3,729
Spares, stores and provisions | 14,776 | 13,855 | 9,345
Lubricants | 4,565 | 3,901 | 3,220
Taxes | 608 | 842 | 941
Miscellaneous | 2,634 | 1,805 | 1,463
Total | $ 68,569 | $ 63,512 | $ 52,794

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- Definition Lubricant costs incurred that are directly related to goods produced and sold and services rendered during the reporting period. + References No definition available. + Details
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- Definition The aggregate costs of keeping the property in good condition including the repairs, maintenance and drydocking costs. + References No definition available. + Details
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- Definition Amount of tax incurred and cost of license directly related to good produced or service rendered. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(b)(2)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
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- Definition Insurance and claims costs directly related to goods produced and sold, or services rendered, during the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a),(d)) -URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227 + Details
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