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v2.4.0.6

Transactions with Related Parties - Additional Information - Other (Details) | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2011 Combine Marine Inc. USD ($) | Dec. 31, 2011 Combine Marine Inc. EUR (€) | Dec. 31, 2012 Combine Marine Ltd. USD ($) | Dec. 31, 2012 Combine Marine Ltd. EUR (€) | Sep. 28, 2012 Maiden Voyage LLC USD ($) | Oct. 19, 2012 OOCAPE1 Holdings LLC USD ($)
Related Party Transaction [Line Items] |  |  |  |  |  |
Rent expense per month | $ 6,600 | € 5,000 | $ 3,300 | € 2,500 |  |
Daily fixed management fee |  |  |  |  | $ 750 | $ 750

X
- Definition The fee rate charged daily, persuant to the management agreement. + References No definition available. + Details
Name: | sblk_DailyManagementFee
Namespace Prefix: | sblk_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of monthly rental. + References No definition available. + Details
Name: | sblk_RentExpensePerMonth
Namespace Prefix: | sblk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration