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Income taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Tonnage taxes	$ 3,717	$ 1,360	$ 797
Greece
Tonnage taxes	3,302	$ 1,260	$ 668
Cyprus
Tonnage taxes	$ 11

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- Definition

The tonnage taxes for the period.

+ References

No definition available.

+ Details

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

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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- Details

Name:	us-gaap_IncomeTaxAuthorityAxis=sblk_CyprusMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: