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Earnings / (Loss) per share (Details Narrative) - shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share [Abstract]
Denominator of diluted earnings	383,711	295,243	153,216

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- Definition

The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

+ References

No definition available.

+ Details

Name:	sblk_WeightedAverageNumberDilutedSharesOutstandingAdjustment1
Namespace Prefix:	sblk_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

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- References

No definition available.

+ Details

Name:	us-gaap_EarningsPerShareAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration