3.26.1 html 663 511 1 true 351 0 false 6 false false R1.htm 00000001 - Document - Cover Sheet http://starbulk.com/role/Cover Cover Cover 1 false false R2.htm 00000002 - Statement - Consolidated Balance Sheets Sheet http://starbulk.com/role/BalanceSheets Consolidated Balance Sheets Statements 2 false false R3.htm 00000003 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://starbulk.com/role/BalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 00000004 - Statement - Consolidated Income Statements Sheet http://starbulk.com/role/IncomeStatements Consolidated Income Statements Statements 4 false false R5.htm 00000005 - Statement - Consolidated Statements of Comprehensive Income/ (Loss) Sheet http://starbulk.com/role/StatementsOfComprehensiveIncomeLoss Consolidated Statements of Comprehensive Income/ (Loss) Statements 5 false false R6.htm 00000006 - Statement - Consolidated Statements of Shareholders' Equity Sheet http://starbulk.com/role/StatementsOfShareholdersEquity Consolidated Statements of Shareholders' Equity Statements 6 false false R7.htm 00000007 - Statement - Consolidated Statements of Shareholders' Equity (Parenthetical) Sheet http://starbulk.com/role/StatementsOfShareholdersEquityParenthetical Consolidated Statements of Shareholders' Equity (Parenthetical) Statements 7 false false R8.htm 00000008 - Statement - Consolidated Statements of Cash Flows Sheet http://starbulk.com/role/StatementsOfCashFlows Consolidated Statements of Cash Flows Statements 8 false false R9.htm 999009 - Disclosure - Basis of Presentation and General Information Sheet http://starbulk.com/role/BasisOfPresentationAndGeneralInformation Basis of Presentation and General Information Notes 9 false false R10.htm 999010 - Disclosure - Significant Accounting policies Sheet http://starbulk.com/role/SignificantAccountingPolicies Significant Accounting policies Notes 10 false false R11.htm 999011 - Disclosure - Transactions with related parties Sheet http://starbulk.com/role/TransactionsWithRelatedParties Transactions with related parties Notes 11 false false R12.htm 999012 - Disclosure - Equity Method Investments Sheet http://starbulk.com/role/EquityMethodInvestments Equity Method Investments Notes 12 false false R13.htm 999013 - Disclosure - Inventories Sheet http://starbulk.com/role/Inventories Inventories Notes 13 false false R14.htm 999014 - Disclosure - Vessels and other fixed assets, net and Advances for vessels under construction Sheet http://starbulk.com/role/VesselsAndOtherFixedAssetsNetAndAdvancesForVesselsUnderConstruction Vessels and other fixed assets, net and Advances for vessels under construction Notes 14 false false R15.htm 999015 - Disclosure - Operating leases Sheet http://starbulk.com/role/OperatingLeases Operating leases Notes 15 false false R16.htm 999016 - Disclosure - Lease financing Sheet http://starbulk.com/role/LeaseFinancing Lease financing Notes 16 false false R17.htm 999017 - Disclosure - Long-term bank loans & Revolving facilities - New Financing Activities during the year ended December 31, 2025 Sheet http://starbulk.com/role/Long-termBankLoansRevolvingFacilities-NewFinancingActivitiesDuringYearEndedDecember312025 Long-term bank loans & Revolving facilities - New Financing Activities during the year ended December 31, 2025 Notes 17 false false R18.htm 999018 - Disclosure - Long-term bank loans & Revolving facilities - Pre-existing Loan Facilities Part I Sheet http://starbulk.com/role/Long-termBankLoansRevolvingFacilities-Pre-existingLoanFacilitiesPartI Long-term bank loans & Revolving facilities - Pre-existing Loan Facilities Part I Notes 18 false false R19.htm 999019 - Disclosure - Long-term bank loans & Revolving facilities - Pre-existing Loan Facilities Part II Sheet http://starbulk.com/role/Long-termBankLoansRevolvingFacilities-Pre-existingLoanFacilitiesPartIi Long-term bank loans & Revolving facilities - Pre-existing Loan Facilities Part II Notes 19 false false R20.htm 999020 - Disclosure - Long-term bank loans & Revolving facilities - Pre-existing Loan Facilities Part III Sheet http://starbulk.com/role/Long-termBankLoansRevolvingFacilities-Pre-existingLoanFacilitiesPartIii Long-term bank loans & Revolving facilities - Pre-existing Loan Facilities Part III Notes 20 false false R21.htm 999021 - Disclosure - Long-term bank loans & Revolving facilities - Terminated Loan Facilities Sheet http://starbulk.com/role/Long-termBankLoansRevolvingFacilities-TerminatedLoanFacilities Long-term bank loans & Revolving facilities - Terminated Loan Facilities Notes 21 false false R22.htm 999022 - Disclosure - Long-term bank loans & Revolving facilities - Part V Sheet http://starbulk.com/role/Long-termBankLoansRevolvingFacilities-PartV Long-term bank loans & Revolving facilities - Part V Notes 22 false false R23.htm 999023 - Disclosure - Preferred, Common Shares and Additional paid in capital Sheet http://starbulk.com/role/PreferredCommonSharesAndAdditionalPaidInCapital Preferred, Common Shares and Additional paid in capital Notes 23 false false R24.htm 999024 - Disclosure - Management fees Sheet http://starbulk.com/role/ManagementFees Management fees Notes 24 false false R25.htm 999025 - Disclosure - Equity Incentive Plans Sheet http://starbulk.com/role/EquityIncentivePlans Equity Incentive Plans Notes 25 false false R26.htm 999026 - Disclosure - Earnings per share Sheet http://starbulk.com/role/EarningsPerShare Earnings per share Notes 26 false false R27.htm 999027 - Disclosure - Accrued liabilities Sheet http://starbulk.com/role/AccruedLiabilities Accrued liabilities Notes 27 false false R28.htm 999028 - Disclosure - Income taxes Sheet http://starbulk.com/role/IncomeTaxes Income taxes Notes 28 false false R29.htm 999029 - Disclosure - Commitments and Contingencies Sheet http://starbulk.com/role/CommitmentsAndContingencies Commitments and Contingencies Notes 29 false false R30.htm 999030 - Disclosure - Voyage revenues Sheet http://starbulk.com/role/VoyageRevenues Voyage revenues Notes 30 false false R31.htm 999031 - Disclosure - Voyage and Vessel operating expenses: Sheet http://starbulk.com/role/VoyageAndVesselOperatingExpenses Voyage and Vessel operating expenses: Notes 31 false false R32.htm 999032 - Disclosure - Fair Value Measurements and Hedging Sheet http://starbulk.com/role/FairValueMeasurementsAndHedging Fair Value Measurements and Hedging Notes 32 false false R33.htm 999033 - Disclosure - Other operational gain Sheet http://starbulk.com/role/OtherOperationalGain Other operational gain Notes 33 false false R34.htm 999034 - Disclosure - Segment Reporting Sheet http://starbulk.com/role/SegmentReporting Segment Reporting Notes 34 false false R35.htm 999035 - Disclosure - Subsequent Events Sheet http://starbulk.com/role/SubsequentEvents Subsequent Events Notes 35 false false R36.htm 999036 - Disclosure - Significant Accounting policies (Policies) Sheet http://starbulk.com/role/SignificantAccountingPoliciesPolicies Significant Accounting policies (Policies) Policies http://starbulk.com/role/SignificantAccountingPolicies 36 false false R37.htm 999037 - Disclosure - Basis of Presentation and General Information (Tables) Sheet http://starbulk.com/role/BasisOfPresentationAndGeneralInformationTables Basis of Presentation and General Information (Tables) Tables http://starbulk.com/role/BasisOfPresentationAndGeneralInformation 37 false false R38.htm 999038 - Disclosure - Inventories (Tables) Sheet http://starbulk.com/role/InventoriesTables Inventories (Tables) Tables http://starbulk.com/role/Inventories 38 false false R39.htm 999039 - Disclosure - Vessels and other fixed assets, net and Advances for vessels under construction (Tables) Sheet http://starbulk.com/role/VesselsAndOtherFixedAssetsNetAndAdvancesForVesselsUnderConstructionTables Vessels and other fixed assets, net and Advances for vessels under construction (Tables) Tables http://starbulk.com/role/VesselsAndOtherFixedAssetsNetAndAdvancesForVesselsUnderConstruction 39 false false R40.htm 999040 - Disclosure - Operating leases (Tables) Sheet http://starbulk.com/role/OperatingLeasesTables Operating leases (Tables) Tables http://starbulk.com/role/OperatingLeases 40 false false R41.htm 999041 - Disclosure - Lease financing (Tables) Sheet http://starbulk.com/role/LeaseFinancingTables Lease financing (Tables) Tables http://starbulk.com/role/LeaseFinancing 41 false false R42.htm 999042 - Disclosure - Long-term bank loans & Revolving facilities - Part V (Tables) Sheet http://starbulk.com/role/Long-termBankLoansRevolvingFacilities-PartVTables Long-term bank loans & Revolving facilities - Part V (Tables) Tables http://starbulk.com/role/Long-termBankLoansRevolvingFacilities-NewFinancingActivitiesDuringYearEndedDecember312025 42 false false R43.htm 999043 - Disclosure - Equity Incentive Plans (Tables) Sheet http://starbulk.com/role/EquityIncentivePlansTables Equity Incentive Plans (Tables) Tables http://starbulk.com/role/EquityIncentivePlans 43 false false R44.htm 999044 - Disclosure - Earnings per share (Tables) Sheet http://starbulk.com/role/EarningsPerShareTables Earnings per share (Tables) Tables http://starbulk.com/role/EarningsPerShare 44 false false R45.htm 999045 - Disclosure - Accrued liabilities (Tables) Sheet http://starbulk.com/role/AccruedLiabilitiesTables Accrued liabilities (Tables) Tables http://starbulk.com/role/AccruedLiabilities 45 false false R46.htm 999046 - Disclosure - Commitments and Contingencies (Tables) Sheet http://starbulk.com/role/CommitmentsAndContingenciesTables Commitments and Contingencies (Tables) Tables http://starbulk.com/role/CommitmentsAndContingencies 46 false false R47.htm 999047 - Disclosure - Voyage revenues (Tables) Sheet http://starbulk.com/role/VoyageRevenuesTables Voyage revenues (Tables) Tables http://starbulk.com/role/VoyageRevenues 47 false false R48.htm 999048 - Disclosure - Voyage and Vessel operating expenses: (Tables) Sheet http://starbulk.com/role/VoyageAndVesselOperatingExpensesTables Voyage and Vessel operating expenses: (Tables) Tables http://starbulk.com/role/VoyageAndVesselOperatingExpenses 48 false false R49.htm 999049 - Disclosure - Fair Value Measurements and Hedging (Tables) Sheet http://starbulk.com/role/FairValueMeasurementsAndHedgingTables Fair Value Measurements and Hedging (Tables) Tables http://starbulk.com/role/FairValueMeasurementsAndHedging 49 false false R50.htm 999050 - Disclosure - Basis of Presentation and General Information - Results of operation of Star Bulk and Eagle (Table) (Details) Sheet http://starbulk.com/role/BasisOfPresentationAndGeneralInformation-ResultsOfOperationOfStarBulkAndEagleTableDetails Basis of Presentation and General Information - Results of operation of Star Bulk and Eagle (Table) (Details) Details 50 false false R51.htm 999051 - Disclosure - Basis of Presentation and General Information - Proforma (Table) (Details) Sheet http://starbulk.com/role/BasisOfPresentationAndGeneralInformation-ProformaTableDetails Basis of Presentation and General Information - Proforma (Table) (Details) Details http://starbulk.com/role/BasisOfPresentationAndGeneralInformationTables 51 false false R52.htm 999052 - Disclosure - Basis of Presentation and General Information - Accounting for the Eagle Merger (Table) (Details) Sheet http://starbulk.com/role/BasisOfPresentationAndGeneralInformation-AccountingForEagleMergerTableDetails Basis of Presentation and General Information - Accounting for the Eagle Merger (Table) (Details) Details 52 false false R53.htm 999053 - Disclosure - Basis of Presentation and General Information - Fair Value Tangible Assets Acquired And Liabilities Assumed (Table) (Details) Sheet http://starbulk.com/role/BasisOfPresentationAndGeneralInformation-FairValueTangibleAssetsAcquiredAndLiabilitiesAssumedTableDetails Basis of Presentation and General Information - Fair Value Tangible Assets Acquired And Liabilities Assumed (Table) (Details) Details 53 false false R54.htm 999054 - Disclosure - Basis of Presentation and General Information - List of subsidiaries (Table) (Details) Sheet http://starbulk.com/role/BasisOfPresentationAndGeneralInformation-ListOfSubsidiariesTableDetails Basis of Presentation and General Information - List of subsidiaries (Table) (Details) Details 54 false false R55.htm 999055 - Disclosure - Basis of Presentation and General Information - List of subsidiaries owning vessels under construction (Table) (Details) Sheet http://starbulk.com/role/BasisOfPresentationAndGeneralInformation-ListOfSubsidiariesOwningVesselsUnderConstructionTableDetails Basis of Presentation and General Information - List of subsidiaries owning vessels under construction (Table) (Details) Details 55 false false R56.htm 999056 - Disclosure - Basis of Presentation and General Information - List of time charter-in vessel and time charter-in newbuilding vessels (Table) (Details) Sheet http://starbulk.com/role/BasisOfPresentationAndGeneralInformation-ListOfTimeCharter-inVesselAndTimeCharter-inNewbuildingVesselsTableDetails Basis of Presentation and General Information - List of time charter-in vessel and time charter-in newbuilding vessels (Table) (Details) Details 56 false false R57.htm 999057 - Disclosure - Basis of Presentation and General Information (Details Narrative) Sheet http://starbulk.com/role/BasisOfPresentationAndGeneralInformationDetailsNarrative Basis of Presentation and General Information (Details Narrative) Details http://starbulk.com/role/BasisOfPresentationAndGeneralInformationTables 57 false false R58.htm 999058 - Disclosure - Significant Accounting policies (Details Narrative) Sheet http://starbulk.com/role/SignificantAccountingPoliciesDetailsNarrative Significant Accounting policies (Details Narrative) Details http://starbulk.com/role/SignificantAccountingPoliciesPolicies 58 false false R59.htm 999059 - Disclosure - Transactions with related parties (Details Narrative) Sheet http://starbulk.com/role/TransactionsWithRelatedPartiesDetailsNarrative Transactions with related parties (Details Narrative) Details http://starbulk.com/role/TransactionsWithRelatedParties 59 false false R60.htm 999060 - Disclosure - Equity Method Investments (Details Narrative) Sheet http://starbulk.com/role/EquityMethodInvestmentsDetailsNarrative Equity Method Investments (Details Narrative) Details http://starbulk.com/role/EquityMethodInvestments 60 false false R61.htm 999061 - Disclosure - Inventories (Table) (Details) Sheet http://starbulk.com/role/InventoriesTableDetails Inventories (Table) (Details) Details http://starbulk.com/role/InventoriesTables 61 false false R62.htm 999062 - Disclosure - Vessels and other fixed assets, net - Schedules of vessels and other fixed assets, net (Table) (Details) Sheet http://starbulk.com/role/VesselsAndOtherFixedAssetsNet-SchedulesOfVesselsAndOtherFixedAssetsNetTableDetails Vessels and other fixed assets, net - Schedules of vessels and other fixed assets, net (Table) (Details) Details 62 false false R63.htm 999063 - Disclosure - Vessels and other fixed assets, net and Advances for vessels under construction - Vessels under construction (Table) (Details) Sheet http://starbulk.com/role/VesselsAndOtherFixedAssetsNetAndAdvancesForVesselsUnderConstruction-VesselsUnderConstructionTableDetails Vessels and other fixed assets, net and Advances for vessels under construction - Vessels under construction (Table) (Details) Details 63 false false R64.htm 999064 - Disclosure - Vessels and other fixed assets, net and Advances for vessels under construction (Details Narrative) Sheet http://starbulk.com/role/VesselsAndOtherFixedAssetsNetAndAdvancesForVesselsUnderConstructionDetailsNarrative Vessels and other fixed assets, net and Advances for vessels under construction (Details Narrative) Details http://starbulk.com/role/VesselsAndOtherFixedAssetsNetAndAdvancesForVesselsUnderConstructionTables 64 false false R65.htm 999065 - Disclosure - Operating leases - Operating lease liabilities of time charter-in vessel agreements ( Table) (Details) Sheet http://starbulk.com/role/OperatingLeases-OperatingLeaseLiabilitiesOfTimeCharter-inVesselAgreementsTableDetails Operating leases - Operating lease liabilities of time charter-in vessel agreements ( Table) (Details) Details 65 false false R66.htm 999066 - Disclosure - Operating leases - Operating lease liabilities of office rental arrangements (Table) (Details) Sheet http://starbulk.com/role/OperatingLeases-OperatingLeaseLiabilitiesOfOfficeRentalArrangementsTableDetails Operating leases - Operating lease liabilities of office rental arrangements (Table) (Details) Details 66 false false R67.htm 999067 - Disclosure - Operating leases (Details Narrative) Sheet http://starbulk.com/role/OperatingLeasesDetailsNarrative Operating leases (Details Narrative) Details http://starbulk.com/role/OperatingLeasesTables 67 false false R68.htm 999068 - Disclosure - Lease financing - Capital lease obligations, Principal payments (Table) (Details) Sheet http://starbulk.com/role/LeaseFinancing-CapitalLeaseObligationsPrincipalPaymentsTableDetails Lease financing - Capital lease obligations, Principal payments (Table) (Details) Details 68 false false R69.htm 999069 - Disclosure - Lease financing (Details Narrative) Sheet http://starbulk.com/role/LeaseFinancingDetailsNarrative Lease financing (Details Narrative) Details http://starbulk.com/role/LeaseFinancingTables 69 false false R70.htm 999070 - Disclosure - Long-term bank loans & Revolving facilities - New Financing Activities during the year ended December 31, 2025 (Details Narrative) Sheet http://starbulk.com/role/Long-termBankLoansRevolvingFacilities-NewFinancingActivitiesDuringYearEndedDecember312025DetailsNarrative Long-term bank loans & Revolving facilities - New Financing Activities during the year ended December 31, 2025 (Details Narrative) Details http://starbulk.com/role/Long-termBankLoansRevolvingFacilities-NewFinancingActivitiesDuringYearEndedDecember312025 70 false false R71.htm 999071 - Disclosure - Long-term bank loans & Revolving facilities - Pre-existing Loan Facilities Part I (Details Narrative) Sheet http://starbulk.com/role/Long-termBankLoansRevolvingFacilities-Pre-existingLoanFacilitiesPartIDetailsNarrative Long-term bank loans & Revolving facilities - Pre-existing Loan Facilities Part I (Details Narrative) Details http://starbulk.com/role/Long-termBankLoansRevolvingFacilities-Pre-existingLoanFacilitiesPartI 71 false false R72.htm 999072 - Disclosure - Long-term bank loans & Revolving facilities - Pre-existing Loan Facilities Part II (Details Narrative) Sheet http://starbulk.com/role/Long-termBankLoansRevolvingFacilities-Pre-existingLoanFacilitiesPartIiDetailsNarrative Long-term bank loans & Revolving facilities - Pre-existing Loan Facilities Part II (Details Narrative) Details http://starbulk.com/role/Long-termBankLoansRevolvingFacilities-Pre-existingLoanFacilitiesPartI 72 false false R73.htm 999073 - Disclosure - Long-term bank loans & Revolving facilities - Pre-existing Loan Facilities Part III (Details Narrative) Sheet http://starbulk.com/role/Long-termBankLoansRevolvingFacilities-Pre-existingLoanFacilitiesPartIiiDetailsNarrative Long-term bank loans & Revolving facilities - Pre-existing Loan Facilities Part III (Details Narrative) Details http://starbulk.com/role/Long-termBankLoansRevolvingFacilities-Pre-existingLoanFacilitiesPartI 73 false false R74.htm 999074 - Disclosure - Long-term bank loans & Revolving facilities - Terminated Loan Facilities (Details Narrative) Sheet http://starbulk.com/role/Long-termBankLoansRevolvingFacilities-TerminatedLoanFacilitiesDetailsNarrative Long-term bank loans & Revolving facilities - Terminated Loan Facilities (Details Narrative) Details http://starbulk.com/role/Long-termBankLoansRevolvingFacilities-TerminatedLoanFacilities 74 false false R75.htm 999075 - Disclosure - Long-term bank loans - Principal repayments (Table) (Details) Sheet http://starbulk.com/role/Long-termBankLoans-PrincipalRepaymentsTableDetails Long-term bank loans - Principal repayments (Table) (Details) Details 75 false false R76.htm 999076 - Disclosure - Long-term bank loans - Interest and finance costs (Table) (Details) Sheet http://starbulk.com/role/Long-termBankLoans-InterestAndFinanceCostsTableDetails Long-term bank loans - Interest and finance costs (Table) (Details) Details 76 false false R77.htm 999077 - Disclosure - Long-term bank loans & Revolving facilities - Part V (Details Narrative) Sheet http://starbulk.com/role/Long-termBankLoansRevolvingFacilities-PartVDetailsNarrative Long-term bank loans & Revolving facilities - Part V (Details Narrative) Details http://starbulk.com/role/Long-termBankLoansRevolvingFacilities-PartVTables 77 false false R78.htm 999078 - Disclosure - Preferred, Common Shares and Additional paid in capital (Details Narrative) Sheet http://starbulk.com/role/PreferredCommonSharesAndAdditionalPaidInCapitalDetailsNarrative Preferred, Common Shares and Additional paid in capital (Details Narrative) Details http://starbulk.com/role/PreferredCommonSharesAndAdditionalPaidInCapital 78 false false R79.htm 999079 - Disclosure - Management fees (Details Narrative) Sheet http://starbulk.com/role/ManagementFeesDetailsNarrative Management fees (Details Narrative) Details http://starbulk.com/role/ManagementFees 79 false false R80.htm 999080 - Disclosure - Equity Incentive Plants - Summary of non-vested restricted share options (Table) (Details) Sheet http://starbulk.com/role/EquityIncentivePlants-SummaryOfNon-vestedRestrictedShareOptionsTableDetails Equity Incentive Plants - Summary of non-vested restricted share options (Table) (Details) Details 80 false false R81.htm 999081 - Disclosure - Equity Incentive Plans (Details Narrative) Sheet http://starbulk.com/role/EquityIncentivePlansDetailsNarrative Equity Incentive Plans (Details Narrative) Details http://starbulk.com/role/EquityIncentivePlansTables 81 false false R82.htm 999082 - Disclosure - Earnings/ (Loss) per Share (Table) (Details) Sheet http://starbulk.com/role/EarningsLossPerShareTableDetails Earnings/ (Loss) per Share (Table) (Details) Details http://starbulk.com/role/EarningsPerShareTables 82 false false R83.htm 999083 - Disclosure - Earnings per share (Details Narrative) Sheet http://starbulk.com/role/EarningsPerShareDetailsNarrative Earnings per share (Details Narrative) Details http://starbulk.com/role/EarningsPerShareTables 83 false false R84.htm 999084 - Disclosure - Accrued liabilities (Table) (Details) Sheet http://starbulk.com/role/AccruedLiabilitiesTableDetails Accrued liabilities (Table) (Details) Details http://starbulk.com/role/AccruedLiabilitiesTables 84 false false R85.htm 999085 - Disclosure - Income taxes (Details Narrative) Sheet http://starbulk.com/role/IncomeTaxesDetailsNarrative Income taxes (Details Narrative) Details http://starbulk.com/role/IncomeTaxes 85 false false R86.htm 999086 - Disclosure - Commitments and Contingencies - Charter party agreements (Table) (Details) Sheet http://starbulk.com/role/CommitmentsAndContingencies-CharterPartyAgreementsTableDetails Commitments and Contingencies - Charter party agreements (Table) (Details) Details 86 false false R87.htm 999087 - Disclosure - Commitments and Contingencies - Other commitments (Table) (Details) Sheet http://starbulk.com/role/CommitmentsAndContingencies-OtherCommitmentsTableDetails Commitments and Contingencies - Other commitments (Table) (Details) Details 87 false false R88.htm 999088 - Disclosure - Voyage Revenues (Table) (Details) Sheet http://starbulk.com/role/VoyageRevenuesTableDetails Voyage Revenues (Table) (Details) Details 88 false false R89.htm 999089 - Disclosure - Voyage revenues (Details Narrative) Sheet http://starbulk.com/role/VoyageRevenuesDetailsNarrative Voyage revenues (Details Narrative) Details http://starbulk.com/role/VoyageRevenuesTables 89 false false R90.htm 999090 - Disclosure - Voyage and Vessel operating expenses - Vessel operating expenses (Table) (Details) Sheet http://starbulk.com/role/VoyageAndVesselOperatingExpenses-VesselOperatingExpensesTableDetails Voyage and Vessel operating expenses - Vessel operating expenses (Table) (Details) Details 90 false false R91.htm 999091 - Disclosure - Voyage and Vessel operating expenses - Voyage expenses (Table) (Details) Sheet http://starbulk.com/role/VoyageAndVesselOperatingExpenses-VoyageExpensesTableDetails Voyage and Vessel operating expenses - Voyage expenses (Table) (Details) Details 91 false false R92.htm 999092 - Disclosure - Fair Value Measurements and Hedging - Derivative instruments effect on statements of operations (Table) (Details) Sheet http://starbulk.com/role/FairValueMeasurementsAndHedging-DerivativeInstrumentsEffectOnStatementsOfOperationsTableDetails Fair Value Measurements and Hedging - Derivative instruments effect on statements of operations (Table) (Details) Details 92 false false R93.htm 999093 - Disclosure - Fair value measurements and Hedging -- Fair value on a recurring basis - Quoted Prices in Active Markets (Table) (Details) Sheet http://starbulk.com/role/FairValueMeasurementsAndHedging--FairValueOnRecurringBasis-QuotedPricesInActiveMarketsTableDetails Fair value measurements and Hedging -- Fair value on a recurring basis - Quoted Prices in Active Markets (Table) (Details) Details 93 false false R94.htm 999094 - Disclosure - Fair Value Measurements and Hedging - Fair value on a recurring basis - Significant Other Observable Inputs (Table) (Details) Sheet http://starbulk.com/role/FairValueMeasurementsAndHedging-FairValueOnRecurringBasis-SignificantOtherObservableInputsTableDetails Fair Value Measurements and Hedging - Fair value on a recurring basis - Significant Other Observable Inputs (Table) (Details) Details 94 false false R95.htm 999095 - Disclosure - Fair Value Measurements and Hedging- Amortized cost and fair value of AFS debt securities (Table) (Details) Sheet http://starbulk.com/role/FairValueMeasurementsAndHedging-AmortizedCostAndFairValueOfAfsDebtSecuritiesTableDetails Fair Value Measurements and Hedging- Amortized cost and fair value of AFS debt securities (Table) (Details) Details 95 false false R96.htm 999096 - Disclosure - Fair Value Measurements and Hedging (Details Narrative) Sheet http://starbulk.com/role/FairValueMeasurementsAndHedgingDetailsNarrative Fair Value Measurements and Hedging (Details Narrative) Details http://starbulk.com/role/FairValueMeasurementsAndHedgingTables 96 false false R97.htm 999097 - Disclosure - Other operational gain (Details Narrative) Sheet http://starbulk.com/role/OtherOperationalGainDetailsNarrative Other operational gain (Details Narrative) Details http://starbulk.com/role/OtherOperationalGain 97 false false R98.htm 999098 - Disclosure - Subsequent Events (Details Narrative) Sheet http://starbulk.com/role/SubsequentEventsDetailsNarrative Subsequent Events (Details Narrative) Details http://starbulk.com/role/SubsequentEvents 98 false false All Reports Book All Reports sblk-20251231.htm sblk-20251231.xsd sblk-20251231_cal.xml sblk-20251231_def.xml sblk-20251231_lab.xml sblk-20251231_pre.xml http://fasb.org/srt/2025 http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 true true