The fee rate charged daily, persuant to the management agreement.

No definition available.

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- Definition

Flat fee charged per each newbuilding vessel, as commission fee relative to the negotiations with the shipyards on the construction of the Company's contracted newbuilding vessels.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

The amount of monthly rent.

+ References

No definition available.

+ Details

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

Description of the shareholders agreement under which the shareholders have the right to nominate specific number of directors, according to the percentage of voting securities.

+ References

No definition available.

+ Details

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- Definition

Commission paid to an entity related to negotiations made, with a shipyard, regarding a vessel acquisition.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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Balance Type:	na
Period Type:	instant

- Definition

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 830

-SubTopic 30

-Section S99

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521

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- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

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- Definition

Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 5A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=28200181&loc=SL6759159-111685

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Transactions with Related Parties - Additional Information - Other (Details)	12 Months Ended				12 Months Ended		0 Months Ended	1 Months Ended							6 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Feb. 25, 2014	Dec. 31, 2014 Combine Marine Ltd. USD ($)	Dec. 31, 2014 Combine Marine Ltd. EUR (€)	Nov. 25, 2013 Oceanbulk Maritime S.A. (d) USD ($)	Apr. 30, 2014 Oceanbulk Maritime S.A. (d) USD ($)	Dec. 31, 2013 Oceanbulk Maritime S.A. (d) USD ($)	Jun. 01, 2014 Oceanbulk Maritime S.A. (d) USD ($)	Mar. 22, 2014 Oceanbulk Maritime S.A. (d) USD ($)	Dec. 31, 2014 Managed Vessels of Oceanbulk Shipping LLC USD ($)	Oct. 01, 2013 Product Shipping & Trading S.A USD ($)	Jun. 07, 2013 Product Shipping & Trading S.A USD ($)	Jul. 11, 2014 Oaktree Shareholder Agreement
Related Party Transaction [Line Items]
Rent expense per month					$ 3,000	€ 2,500
Exchange rate EUR/USD	1.22
Daily fixed management fee	750sblk_DailyManagementFee									110	170	750	20	130
Vessel acquisition commission percentage							0.50%
Pre-delivery installments	518,447,000	127,814,000	91,000					519,000	519,000
Related Parties Commissions Fees	1,997,000sblk_RelatedPartiesCommissionsFees	773,000sblk_RelatedPartiesCommissionsFees	1,134,000sblk_RelatedPartiesCommissionsFees				2,077,000
Flat fee per vessel							$ 200,000
Voting percentage															33.00%
Equity Method Investment Ownership Percentage				33.00%											61.30%
Shareholder Agreement Directors Nomination Right															Under the Oaktree Shareholders Agreement, Oaktree has the right to nominate four of the Company's nine directors so long as it beneficially owns 40% or more of the Company's outstanding voting securities. The number of directors able to be designated by Oaktree is reduced to three directors if Oaktree beneficially owns 25% or more but less than 40% of the Company's outstanding voting securities, to two directors if Oaktree beneficially owns 15% or more but less than 25%, and to one director if Oaktree beneficially owns 5% or more but less than 15%. Oaktree's designation rights terminate if it beneficially owns less than 5% of the Company's outstanding voting securities.