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Transactions with Related Parties - Statements of Operations (Table) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Related Party Transaction [Line Items]
Office rent	$ (40,763)	$ (1,736)
Voyage revenues	253,661	143,471
Interchart
Related Party Transaction [Line Items]
Voyage expenses	(1,650)	(1,650)
Executive directors
Related Party Transaction [Line Items]
Consultancy fees	(262)	(250)
Non-executive directors
Related Party Transaction [Line Items]
Compensation	(72)	(72)
Combine Marine Ltd. & Alma Properties
Related Party Transaction [Line Items]
Office rent	(19)	(19)
Sydelle Marine Limited | Profit sharing agreement
Related Party Transaction [Line Items]
Voyage revenues	$ (4)	$ (159)

X

- 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

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+ Details

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X

- Definition

Revenues arising from services provided to charterers according to the terms and conditions included in charter agreements. Voyage revenues may include the amortization of above/below market acquired time charter.

+ References

No definition available.

+ Details

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X

- Definition

Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

+ References

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X

- Definition

Direct costs arising from transactions with related parties who are not affiliates or joint Ventures. These costs are categorized as cost of goods sold.

+ 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)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(k)(1))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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