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Transactions with Related Parties - Additional Information (Details)	6 Months Ended
	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