XML 65 R52.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Transactions with related parties (Details Narrative) | 7 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Aug. 03, 2018 | Dec. 31, 2023 USD ($) shares | Dec. 31, 2023 EUR (€) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2022 USD ($) | Dec. 30, 2020 | Dec. 31, 2014
Vessels acquired |  |  |  |  |  | 0 |  |
Long-Term Investments |  | $ 1,736,000 |  |  |  | $ 1,676,000 |  |
Augustea Technoservices Ltd. and affiliates [Member] |  |  |  |  |  |  |  |
Vessels acquired | 16 |  |  |  |  |  |  |
Expiration date of agreement | June 2022 |  |  |  |  |  |  |
Common stock [Member] | Oaktree Share Repurchase Program [Member] |  |  |  |  |  |  |  |
Stock Repurchase Program, Number of Shares Authorized to be Repurchased | shares |  | 20,000,000 |  |  |  |  |  |
Oaktree Capital Management L.P. [Member] |  |  |  |  |  |  |  |
Number of directors |  | 1 | 1 |  |  |  |  |
Euro Member Countries, Euro |  |  |  |  |  |  |  |
Foreign Currency Exchange Rate, Translation |  | 1.10 |  |  |  |  |  |
Management and Directors Fees [Member] |  |  |  |  |  |  |  |
Executive consultancy fees |  | $ 564,000 |  |  |  |  |  |
Management and Directors Fees [Member] | Non - Employee Directors [Member] |  |  |  |  |  |  |  |
Annual cash retainer |  | 15,000 |  |  |  |  |  |
Management and Directors Fees [Member] | Chairman of Audit Committee [Member] |  |  |  |  |  |  |  |
Annual cash retainer |  | 15,000 |  |  |  |  |  |
Management and Directors Fees [Member] | Audit Committee Member [Member] |  |  |  |  |  |  |  |
Annual cash retainer |  | 7,500 |  |  |  |  |  |
Management and Directors Fees [Member] | Attendance Of Meetings [Member] |  |  |  |  |  |  |  |
Annual cash retainer |  | 5,000 |  |  |  |  |  |
Combine Marine Ltd [Member] |  |  |  |  |  |  |  |
Rent expense per month |  | 2,800 | € 2,500 |  |  |  |  |
Alma Properties [Member] |  |  |  |  |  |  |  |
Rent expense per month |  | $ 300 | € 300 |  |  |  |  |
Oaktree Shareholder Agreement [Member] | Oaktree Capital Management L.P. [Member] |  |  |  |  |  |  |  |
Number of directors |  | 9 | 9 |  |  |  |  |
Oaktree Shareholder Agreement [Member] | Beneficial ownership of 40% or more [Member] | Oaktree Capital Management L.P. [Member] |  |  |  |  |  |  |  |
Number of directors |  | 4 | 4 |  |  |  |  |
Oaktree Shareholder Agreement [Member] | Beneficial Ownership of 25% or more but less than 40% [Member] | Oaktree Capital Management L.P. [Member] |  |  |  |  |  |  |  |
Number of directors |  | 3 | 3 |  |  |  |  |
Oaktree Shareholder Agreement [Member] | Beneficial Ownership of 15% or more but less than 25% [Member] | Oaktree Capital Management L.P. [Member] |  |  |  |  |  |  |  |
Number of directors |  | 2 | 2 |  |  |  |  |
Oaktree Shareholder Agreement [Member] | Beneficial ownership of 5% or more but less than 15% [Member] | Oaktree Capital Management L.P. [Member] |  |  |  |  |  |  |  |
Number of directors |  | 1 | 1 |  |  |  |  |
Interchart [Member] |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  |  |  | 33.00%
Monthly lump sum fee |  | $ 345,000 |  | $ 315,000 | $ 325,000 |  |  |
Expiration date of agreement |  | Dec. 31, 2023 | Dec. 31, 2023 |  |  |  |  |
Starocean [Member] |  |  |  |  |  |  |  |
Ownership percentage |  | 25.00% |  |  |  |  |  |
Starocean [Member] | Held By Local Entrepreneurs [Member] |  |  |  |  |  |  |  |
Ownership percentage |  | 75.00% |  |  |  |  |  |
CCL Pool [Member] |  |  |  |  |  |  |  |
Ownership percentage |  | 33.00% |  |  |  |  | 25.00% |
Long-Term Investments |  | $ 125,000 |  |  |  |  |  |

X
- Definition Annual cash retainer for non employee and committee members. + References No definition available. + Details
Name: | sblk_AnnualCashRetainer
Namespace Prefix: | sblk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate consultancy fees related to executive officers of the company. + References No definition available. + Details
Name: | sblk_ExecutiveConsultancyFees1
Namespace Prefix: | sblk_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The date when the agreement expired. + References No definition available. + Details
Name: | sblk_ExpirationdateofAgreement
Namespace Prefix: | sblk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of directors constituting the Board of Directors. + References No definition available. + Details
Name: | sblk_NumberOfDirectors
Namespace Prefix: | sblk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition Monthly lump fee payable to Interchart, as part of the Services Agreement for brokering and commercial services. + References No definition available. + Details
Name: | sblk_ServicesAgreementMonthlyLumpFeeRemuneration
Namespace Prefix: | sblk_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of vessels acquired + References No definition available. + Details
Name: | sblk_VesselsAcquired
Namespace Prefix: | sblk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481687/323-10-50-3 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481674/830-30-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479424/830-30-S99-1 + Details
Name: | us-gaap_ForeignCurrencyExchangeRateTranslation1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(12)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_LongTermInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Date of maturity or expiration of arrangements with a related party (for example, but not limited to, leasing and debt arrangements between related parties), in YYYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionDate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
Name: | us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

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

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=sblk_CommonStockIMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ShareRepurchaseProgramAxis=sblk_OaktreeShareRepurchaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=sblk_OaktreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CurrencyAxis=currency_EUR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=sblk_ManagementAndDirectorsFees1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=sblk_NonEmployeeDirectorsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=sblk_ChairmanForAuditCommitteeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=sblk_EachMemberForAuditCommitteeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=sblk_AttendanceOfMeetingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=sblk_CombineMarineLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=sblk_AlmaPropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=sblk_OaktreeShareholderAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=sblk_BeneficialOwnershipOf40OrMoreMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=sblk_BeneficialOwnershipOf25OrMoreButLessThan40Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=sblk_BeneficialOwnershipOf15OrMoreButLessThan25Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=sblk_BeneficialOwnershipOf5OrMoreButLessThan15Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=sblk_InterchartShippingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=sblk_StarOceanManningPhilipinesIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=sblk_HeldByLocalEntrepreneursMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=sblk_CCLPoolMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |