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Transactions with Related Parties - Additional Information (Details) | 6 Months Ended
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Jun. 30, 2015 USD ($)
Transactions with Related Parties [Abstract] |
Monthly lump sum management fee per vessel | $ 17,500

X
- Definition Monthly lump fee per vessel, as part of an agreement for commercial, technical, crewing or brokering services. + References No definition available. + Details
Name: | sblk_ServicesAgreementMonthlyLumpFeeRemunerationPerVessel
Namespace Prefix: | sblk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration