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Fair Value Measurements and Hedging - Schedule of Derivative Instrument (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)
ING [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Trading date	Mar-20
Inception	Mar-20
Expiry	Mar-26
Derivative, Fixed Interest Rate	0.70%
ING [Member] | Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Derivative, Notional Amount	$ 29,960
ING [Member] | Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Derivative, Notional Amount	$ 21,935
ING 2 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Trading date	Mar-20
Inception	Apr-20
Expiry	Oct-25
Derivative, Fixed Interest Rate	0.70%
ING 2 [Member] | Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Derivative, Notional Amount	$ 39,375
ING 2 [Member] | Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Derivative, Notional Amount	$ 26,250
SEB [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Trading date	Mar-20
Inception	Apr-20
Expiry	Jan-25
Derivative, Fixed Interest Rate	0.727%
SEB [Member] | Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Derivative, Notional Amount	$ 58,885
SEB [Member] | Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Derivative, Notional Amount	$ 42,687
Citi [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Trading date	Jun-20
Inception	Aug-20
Expiry	May-24
Derivative, Fixed Interest Rate	0.1293%
Citi [Member] | Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Derivative, Notional Amount	$ 56,075
Citi [Member] | Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Derivative, Notional Amount	$ 39,206
Citi 2 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Trading date	Jun-20
Inception	Aug-20
Expiry	May-24
Derivative, Fixed Interest Rate	0.338%
Citi 2 [Member] | Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Derivative, Notional Amount	$ 31,350
Citi 2 [Member] | Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Derivative, Notional Amount	$ 21,860
Citi 3 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Trading date	Jun-20
Inception	Sep-20
Expiry	Mar-24
Derivative, Fixed Interest Rate	0.289%
Citi 3 [Member] | Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Derivative, Notional Amount	$ 33,390
Citi 3 [Member] | Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Derivative, Notional Amount	$ 25,352
ING 2 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Trading date	Jul-20
Inception	Jul-20
Expiry	Jul-26
Derivative, Fixed Interest Rate	0.37%
ING 2 [Member] | Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Derivative, Notional Amount	$ 70,000
ING 2 [Member] | Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Derivative, Notional Amount	$ 32,083
SEB 2 [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Trading date	Feb-21
Inception	Apr-21
Expiry	Jan-26
Derivative, Fixed Interest Rate	0.4525%
SEB 2 [Member] | Initial Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Derivative, Notional Amount	$ 37,050
SEB 2 [Member] | Current Notional [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Derivative, Notional Amount	$ 17,550

X

- Definition

Date the entity entered into the derivative contract, in YYYY-MM format.

+ References

No definition available.

+ Details

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Balance Type:	na
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X

- Definition

Date the derivative contract matures, in YYYY-MM format.

+ References

No definition available.

+ Details

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Namespace Prefix:	sblk_
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X

- Definition

Trading date of interest rate swaps.

+ References

No definition available.

+ Details

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 808
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479402/808-10-50-1

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X

- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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Balance Type:	na
Period Type:	instant

X

- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1A

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- Details

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