Transactions with Related Parties - Statements of Operations (Table) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Related Party Transaction [Line Items]
Voyage expenses	$ 867	$ 947	$ 1,347
Management fee income	1,598	478	153
Oceanbulk (e)
Related Party Transaction [Line Items]
Commission on sale of vessel	90	91	0
Office setup expenses	0	0	148
Interchart (a)
Related Party Transaction [Line Items]
Voyage expenses	773	1,134	1,237
Executive directors (b)
Related Party Transaction [Line Items]
Consultancy fees	528	453	3,505
Non-executive directors (b)
Related Party Transaction [Line Items]
Compensation	114	124	151
Combine Marine Inc (c)
Related Party Transaction [Line Items]
Office rent	0	0	48
Combine Marine Ltd. (d)
Related Party Transaction [Line Items]
Office rent	41	40	0
Maiden Voyage LLC (f)
Related Party Transaction [Line Items]
Management fee income	(163)	(128)	0
OOCAPE1 Holdings LLC (h)
Related Party Transaction [Line Items]
Management fee income	(274)	(76)	0
Premier Voyage LLC (g)
Related Party Transaction [Line Items]
Management fee income	(111)	0	0
Sea Cape Shipping LLC (i)
Related Party Transaction [Line Items]
Management fee income	(93)	0	0
Glory Supra Shipping LLC (k)
Related Party Transaction [Line Items]
Management fee income	(74)	0	0
Sky Cape Shipping LLC (j)
Related Party Transaction [Line Items]
Management fee income	(56)	0	0
Pacific Cape Shipping LLC (l)
Related Party Transaction [Line Items]
Management fee income	(52)	0	0
Product Shipping & Trading S.A (n)
Related Party Transaction [Line Items]
Management fee income	$ (242)	$ 0	$ 0

Commisions on sale of assets.

No definition available.

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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

The payments made by related parties on behalf of reporting entity.

+ References

No definition available.

+ Details

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Namespace Prefix:	sblk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

Base revenue, as contractually stipulated, for operating and managing another entity's business during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(d))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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- Details

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- Definition

Primarily represents commissions incurred in the period based upon the sale by commissioned employees or third parties of the entity's goods or services, and fees for sales assistance or product enhancements performed by third parties (such as a distributor or value added reseller).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.4)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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- Definition

The aggregate costs related to delivering management services during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2(d))

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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