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Advances for vessels under construction and acquisition of vessels (Table) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Total	$ 46,480	$ 48,574
Advances for vessels under construction and acquisition of vessels
Property, Plant and Equipment [Line Items]
Pre-delivery yard installments and Fair value adjustment	0	30,402
Shares issued for OCC Vessels	42,962	0
Bareboat capital leases - upfront hire & handling fees	1,044	10,460
Capitalized interest and finance costs	318	4,753
Other capitalized costs	159	2,959
Advances for secondhand vessels	1,997	0
Total	$ 46,480	$ 48,574

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- Definition

Amount of accumulated interest and finance costs as part of vessels under construction and acquisitions cost basis.

+ References

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- Definition

Accumulated amount of pre-delivery installments to the yard, for vessels under construction.

+ References

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- Definition

Accumulated amount of upfront hire & handling fees for vessels under capital leases.

+ References

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- Definition

Discloses the period end balance amount of advances for Secondhand vessels.

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- Definition

Amount of accumulated other capitalized costs for vessels under construction and acquisition.

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- Definition

Value of stock issued in lieu of cash for the acquisition of three newbuilding Newcastlemax dry bulk vessels, from Oceanbulk Container Carriers LLC contributed to the entity.

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- Definition

Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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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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