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Basis of Presentation and General Information - List of time charter-in vessel and time charter-in newbuilding vessels (Table) (Details) | 12 Months Ended
--- | ---
Dec. 31, 2023
Star Shibumi [Member] |
Property, Plant and Equipment [Line Items] |
DWT | 180,000
Built | 2021
Yard | JMU
Country | Japan
Delivery/ Estimated Delivery | November 30, 2021
Minimum Period | November 2028
NB Kamsarmax #1 (tbn Star Voyager) [Member] |
Property, Plant and Equipment [Line Items] |
DWT | 82,000
Built | 2024
Yard | Tsuneishi, Zhousan
Country | Japan
Delivery/ Estimated Delivery | January 11, 2024 (Note 19b)
Minimum Period | 7 years
NB Kamsarmax #2 [Member] |
Property, Plant and Equipment [Line Items] |
DWT | 82,000
Built | 2024
Yard | Tsuneishi, Zhousan
Country | Japan
Delivery/ Estimated Delivery | Q4 - 2024
Minimum Period | 7 years
NB Kamsarmax #3 (tbn Star Explorer) [Member] |
Property, Plant and Equipment [Line Items] |
DWT | 82,000
Built | 2024
Yard | JMU
Country | Japan
Delivery/ Estimated Delivery | March 8, 2024 (Note 19b)
Minimum Period | 7 years
NB Kamsarmax #4 [Member] |
Property, Plant and Equipment [Line Items] |
DWT | 82,000
Built | 2024
Yard | JMU
Country | Japan
Delivery/ Estimated Delivery | Q3 - 2024
Minimum Period | 7 years
NB Ultramax #1 (tbn Stargazer) [Member] |
Property, Plant and Equipment [Line Items] |
DWT | 66,000
Built | 2024
Yard | Tsuneishi, Cebu
Country | Philippines
Delivery/ Estimated Delivery | January 16, 2024 (Note 19b)
Minimum Period | 7 years
NB Ultramax #2 [Member] |
Property, Plant and Equipment [Line Items] |
DWT | 66,000
Built | 2024
Yard | Tsuneishi, Cebu
Country | Philippines
Delivery/ Estimated Delivery | Q4 - 2024
Minimum Period | 7 years
Time charter-in newbuilding vessels [Member] |
Property, Plant and Equipment [Line Items] |
DWT | 640,000

X
- Definition The country of the yard of the new building vessel. + References No definition available. + Details
Name: | sblk_Country
Namespace Prefix: | sblk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The delively or estimated delivery date of the vessel. + References No definition available. + Details
Name: | sblk_DeliveryEstimatedDelivery
Namespace Prefix: | sblk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The minimum period of the time charter-in agreement. + References No definition available. + Details
Name: | sblk_MinimumPeriod
Namespace Prefix: | sblk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The vessel's capacity in deadweight tonnage. + References No definition available. + Details
Name: | sblk_VesselCapacity1
Namespace Prefix: | sblk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The yard of the charter-in new building vessels. + References No definition available. + Details
Name: | sblk_Yard
Namespace Prefix: | sblk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The year which the vessel was built. + References No definition available. + Details
Name: | sblk_YearBuilt
Namespace Prefix: | sblk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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 No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=sblk_NBKamsarmax1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=sblk_NBKamsarmax2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=sblk_NBKamsarmax3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=sblk_NBKamsarmax4Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Balance Type: |
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- Details
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |