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Transactions with Related Parties - Statements of Operations (Table) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Related Party Transaction [Line Items] |  |  |
Voyage expenses | $ (200,058) | $ (222,962) | $ (121,596)
General and administrative expense | (31,881) | (34,819) | (33,972)
Management fees | (18,405) | (17,500) | (11,321)
Charter - in hire expenses | (32,055) | (126,813) | (92,896)
Sydelle [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Charter - in hire expenses | (540) | (5,505) | 0
Sydelle [Member] | Profit Sharing Agreement [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Voyage revenues | 0 | 0 | (875)
Interchart [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Voyage expenses | (3,780) | (3,850) | (3,400)
Augustea Technoservices Ltd. [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Voyage expenses | (95) | 0 | 0
Management fees | (6,588) | (6,564) | (2,309)
Executive Officer [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Consultancy fees | (598) | (655) | (534)
Directors [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Directors compensation | (179) | (179) | (159)
Combine Marine Ltd. and Alma Properties [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Office rent | (40) | (39) | (41)
Oceanbulk Maritime and its affiliates [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
General and administrative expense | (268) | (324) | (322)
Songa Shipmanagement Ltd. [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Management fees | 0 | (32) | (376)
AOM [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Charter - in hire expenses | (5,442) | (2,589) | 0
Coromel Maritime Limited [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Charter - in hire expenses | (249) | (5,723) | 0
Eagle Bulk [Member] |  |  |
Related Party Transaction [Line Items] |  |  |
Charter - in hire expenses | $ 0 | $ (1,908) | $ 0

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- Definition The fees related to receiving management consultancy services during the reporting period. + References No definition available. + Details
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- Definition Expenditures for compensation for non executive officers.Examples include, but not limited to, Board of Director's attendance fees. + References No definition available. + Details
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- Definition Costs relating to the voyages performed by the vessels and may include port, canal, bunker expenses, commissions and other. + References No definition available. + Details
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- Definition The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + 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 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227 + Details
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- Definition Amount of operating lease expense. Excludes sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918638-209977 + Details
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