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Transactions With Related Parties - Capitalized Expenses (Table) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Advances for vessels under construction and acquisition of vessels and other assets
Commision fee for newbuilding vessels (d)	$ 454,612us-gaap_ConstructionInProgressGross	$ 67,932us-gaap_ConstructionInProgressGross
Oceanbulk Maritime S.A. (d)
Advances for vessels under construction and acquisition of vessels and other assets
Commision fee for newbuilding vessels (d)	$ 1,038us-gaap_ConstructionInProgressGross / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sblk_OceanbulkMaritimeMember	$ 519us-gaap_ConstructionInProgressGross / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = sblk_OceanbulkMaritimeMember

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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://www.xbrl.org/2003/role/presentationRef

-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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