Document And Entity Information
Leaseback Vessel, October 2023 [Member]
Represents leaseback vessel.
OTHER INCOME / (EXPENSES):
Leaseback Vessel, September 2023, 2 [Member]
Represents leaseback vessel.
Note To Financial Statement Details Textual
Significant Accounting Policies
Leaseback Vessel, November 2023 [Member]
Represents leaseback vessel.
Note 1 - Basis of Presentation and General Information
Leaseback Vessel, August 2023 [Member]
Represents leaseback vessel.
Note 4 - Segmental Financial Information
Leaseback Vessel, July 2023, 4 [Member]
Represents leaseback vessel.
Note 7 - Vessels and Advances, Net
Leaseback Vessel, September 2023 [Member]
Represents leaseback vessel.
Note 8 - Deferred Charges, Net
Leaseback Vessel, August 2023, 2 [Member]
Represents leaseback vessel.
Note 10 - Equity Method Investments
Note 11 - Long-term Debt
NON-CURRENT LIABILITIES:
Note 12 - Right-of-Use Assets, Finance Lease Liabilities, Investments in Leaseback Vessels and Net Investment in Sales-type Leases
Leaseback Vessel, December 2023, 4 [Member]
Represents leaseback vessel.
Category of Item Purchased [Axis]
Note 13 - Operating Lease Right-of-use Assets and Liabilities
Long-Term Purchase Commitment, Category of Item Purchased [Domain]
Note 14 - Accrued Charter Revenue, Current and Non-current, Unearned Revenue, Current and Non-current and Time Charter Assumed, Current and Non-current
Leaseback Vessel, December 2023, 2 [Member]
Represents leaseback vessel.
Note 15 - Commitments and Contingencies
Leaseback Vessel, December 2023 [Member]
Represents leaseback vessel.
Note 16 - Redeemable Non-controlling Interest
Leaseback Vessel, December 2023, 3 [Member]
Represents leaseback vessel.
Note 18 - Earnings Per Share
Note 19 - Voyage Revenues
Current liabilities
us-gaap_LiabilitiesCurrent
Total current liabilities
Note 20 - Interest and Finance Costs
Note 22 - Derivatives
Note 23 - Financial Instruments
Note 1 - Basis of Presentation and General Information - Customer Concentration Risk (Details)
Other current liabilities
Note 1 - Basis of Presentation and General Information - Reconciliation of Cash, Cash Equivalents and Restricted Cash (Details)
Note 4 - Segmental Financial Information - Summary of Reportable Segments (Details)
Leaseback Vessel, December 2023, 5 [Member]
Represents leaseback vessel.
Note 7 - Vessels and Advances, Net - Summary of Vessels (Details)
Note 8 - Deferred Charges, Net - Schedule of Deferred Charges, Net (Details)
cmre_NumberOfVesselsInPoolAgreements
Number of Vessels in Pool Agreements
Represents the number of vessels in pool agreements.
Note 10 - Equity Method Investments - Companies Accounted for as Equity Method Investments (Details)
Note 10 - Equity Method Investments - Summarized Financial Information on Equity Method Investments (Details)
cmre_NumberOfSecondhandDryBulkVessels
Number of Secondhand Dry Bulk Vessels
Represents the number of secondhand dry bulk vessels.
Insurance claims receivable
Note 11 - Long-term Debt - Schedule of Long-term Debt (Details)
Note 11 - Long-term Debt - Annual Repayments Under Credit Facilities and Term Loans (Details)
Note 11 - Long-term Debt - Financing Costs Included in Loan Balances (Details)
Note 12 - Right-of-Use Assets, Finance Lease Liabilities, Investments in Leaseback Vessels and Net Investment in Sales-type Leases - Annual Lease Payments (Details)
Note 12 - Right-of-Use Assets, Finance Lease Liabilities, Investments in Leaseback Vessels and Net Investment in Sales-type Leases - Finance Lease Obligations (Details)
Other [Member]
Represents information related to other.
cmre_LongTermDebtGrossIncludingTermLoansAndOtherFinancingArrangements
Total
Represents the gross amount of long-term debt at the balance sheet date, including term loans and other financing arrangements.
Note 12 - Right-of-Use Assets, Finance Lease Liabilities, Investments in Leaseback Vessels and Net Investment in Sales-type Leases - Sales-type Lease (Details)
Note 12 - Right-of-Use Assets, Finance Lease Liabilities, Investments in Leaseback Vessels and Net Investment in Sales-type Leases - Maturity of Sales-type Lease Receivables (Details)
us-gaap_DerivativeNumberOfInstrumentsHeld
Derivative, Number of Instruments Held
Note 13 - Operating Lease Right-of-use Assets and Liabilities - Payments Required (Details)
Derivative liabilities - current
us-gaap_DerivativeLiabilitiesCurrent
Fair value of derivatives (Notes 22 and 23)
Note 14 - Accrued Charter Revenue, Current and Non-current, Unearned Revenue, Current and Non-current and Time Charter Assumed, Current and Non-current - Schedule of Accrued Revenue (Details)
Note 14 - Accrued Charter Revenue, Current and Non-current, Unearned Revenue, Current and Non-current and Time Charter Assumed, Current and Non-current - Schedule of Unearned Revenue (Details)
Note 15 - Commitments and Contingencies - Schedule of Time Charter Arrangements (Details)
Note 16 - Redeemable Non-controlling Interest - Redeemable Non-controlling Interest in Subsidiary (Details)
Note 18 - Earnings Per Share - Schedule of Earnings Per Share (Details)
Sale and Bareboat Agreements [Member]
Represents sale and bareboat agreements.
Note 19 - Voyage Revenues - Voyage Revenues (Details)
Schedule of Derivative Instruments [Table Text Block]
Note 20 - Interest and Finance Costs - Schedule of Income Statement Related Costs (Details)
cmre_AccruedCharterRevenueNet
Accrued Charter Revenue, Net
Represents net accrued charter revenue.
Note 22 - Derivatives - Cross Currency Swaps (Details)
Note 22 - Derivatives - Fair Value of Derivatives (Details)
Note 22 - Derivatives - Effect of Derivative Instruments (Details)
cmre_AssetAcquisitionPercentageOfVotingInterestsAcquired
Asset Acquisition, Percentage of Voting Interests Acquired
Percentage of voting equity interests acquired at the acquisition date in asset acquisition.
Note 22 - Derivatives - Derivatives Not Designated as Hedging Instruments and Ineffectiveness of Hedging Instruments (Details)
Note 23 - Financial Instruments - Fair Value of Assets and Liabilities (Details)
Current portion of long-term debt, net of deferred financing costs (Note 11)
Long-Term Debt, Current Maturities
Notes To Financial Statements
Notes To Financial Statements [Abstract]
Total
- Other comprehensive income (loss)
Other Comprehensive Income (Loss), Net of Tax
Other comprehensive income / (loss) for the period
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
Total stockholders’ equity
Balance
Balance
York [Member]
Represents information pertaining to York.
Financial Instruments [Domain]
Companies Owning Triton, Titan, Talos, Taurus and Theseus [Member]
Represents information pertaining to companies owning Triton, Titan, Talos, Taurus and Theseus.
Financial Instrument [Axis]
Leaseback Vessel, February 2024, 2 [Member]
Represents leaseback vessel.
cmre_NumberOfVesselsUnderSaleAndBareboatAgreement
Number of Vessels Under Sale and Bareboat Agreement
Represents the number of vessels under sale and bareboat agreement.
Accrued liabilities
Leaseback Vessel, February 2024 [Member]
Represents leaseback vessels.
LC LAW Stylianou & Associates LLC [Member]
Represents LC LAW Stylianou & Associates LLC.
Lessee, Operating Leases [Text Block]
Series E Preferred Stock (Notes 17 and 18)
Accounts payable
Accounts Payable, Current
Legal Service [Member]
Represents legal service.
us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance (in shares)
us-gaap_PolicyTextBlockAbstract
Accounting Policies
Arkadia [Member]
Represents Arkadia.
cmre_DebtInstrumentRedemptionPremiumPercentage
Debt Instrument, Redemption, Premium Percentage
The percentage of premium upon redemption of the debt instrument.
The Fifth or Sixth Coupon Payment Date [Member]
Represents the fifth or sixth coupon payment date.
The Seventh or Eighth Coupon Payment Date [Member]
Represents the seventh or eighth coupon payment date.
Loan Agreement with 11 Companies, Refinancing Tranche [Member]
Represents refinancing tranche of the loan agreement with Achilleas Maritime Corporation, Angistri Corporation, Fanakos Maritime Corporation, Fastsailing Maritime Co., Lindner Shipping Co., Miko Shipping Co., Saval Shipping Co., Spedding Shipping Co., Tanera Shipping Co., Timpson Shipping Co. and Wester Shipping Co.
Amortization of hedge effectiveness excluded component from cash flow hedges
Amortization of excluded component related to cash flow hedges
Amount of amortization of hedge effectiveness excluded component from cash flow hedges.
Novara Shipping Co., Finney Shipping Co., Alford Shipping Co. and Nisbet Shipping Co. Loan Agreement, Tranche C [Member]
Represents tranche C of the loan agreement with Novara Shipping Co., Finney Shipping Co., Alford Shipping Co. and Nisbet Shipping Co.
Novara Shipping Co., Finney Shipping Co., Alford Shipping Co. and Nisbet Shipping Co. Loan Agreement, Tranche D [Member]
Represents tranche D of the loan agreement with Novara Shipping Co., Finney Shipping Co., Alford Shipping Co. and Nisbet Shipping Co.
cmre_DebtInstrumentUndrawnValue
Debt Instrument, Undrawn Value
Represents the undrawn value of the debt instrument.
Financial Instruments Disclosure [Text Block]
CURRENT LIABILITIES:
The Ninth Coupon Payment Date [Member]
Represent the ninth coupon payment date.
cmre_DebtInstrumentEarlyRedemptionRequirementMinimumPrepaymentByIssuer
Debt Instrument, Early Redemption Requirement, Minimum Prepayment by Issuer
The minimum amount of prepayment by issuer allowed to be redeemed early under the debt instrument.
cmre_DebtInstrumentEarlyRedemptionRequirementMinimumNominalValueOfAfterPrepayment
Debt Instrument, Early Redemption Requirement, Minimum Nominal Value of After Prepayment
The minimum nominal value after prepayment that is required for early redemption by the issuer of the debt instrument.
cmre_NumberOfDrybulkVesselsWithIndexlinkedTimeCharterRate
Number of Dry-bulk Vessels with Index-linked Time Charter Rate
The number of dry-bulk vessels with index-linked time charter rate.
Total Assets
us-gaap_Assets
Total assets
cmre_NumberOfContainerVessels
Number of Container Vessels
The number of container vessels.
Neptune [Member]
Represents Neptune.
Loans Agreements, Two NML Subsidiaries [Member]
Represents loans agreements with 2 NML subsidiaries.
Loans Agreements 4 NML Subsidiaries [Member]
Represents loans agreements with 4 NML Subsidiaries.
Other Assets Disclosure [Text Block]
Loan Agreements with 6 Companies [Member]
Represents loan agreements with 6 companies.
Blue Net Chartering GmbH & Co. KG (Containerships Only) [Member]
Represents Blue Net Chartering GmbH & Co. KG (containerships only).
Costamare Bulkers Inc. (“CBI”) [Member]
Represents Costamare Bulkers Inc. (“CBI”).
Blue Net Asia Pte., Ltd. (“BNA”) (Containerships Only) [Member]
Represents Blue Net Asia Pte., Ltd. (“BNA”) (containerships only).
Intersegment voyage revenue
cmre_IntersegmentRevenues
Amount of intersegment revenues.
Costamare Shipping [Member]
Represents Costamare Shipping Company S.A. (“Costamare Shipping”).
Costamare Services [Member]
Costamare Shipping Services Ltd. (“Costamare Services”).
cmre_RelatedPartyTransactionPercentageMarkUp
Related Party Transaction, Percentage Mark Up
Percentage of mark up on related party transaction.
Local Agencies [Member]
Represents the local agencies.
Refinance Term Loan for Reddick Shipping and Verandi Shipping [Member]
Represents Refinance Term Loan for Reddick Shipping and Verandi Shipping.
Bunker Swap Agreements [Member]
Related to bunker swap agreements.
Refinance Term Loan for Greneta Marine Corp, Merle Marine Corp and Gassin Marine Corp [Member]
Represents Refinance Term Loan for Greneta Marine Corp, Merle Marine Corp and Gassin Marine Corp.
Refinance Term Loan for Quentin Shipping and Sander Shipping [Member]
Represents Refinance Term Loan for Quentin Shipping and Sander Shipping.
cmre_AmortizationOfTimeCharterAssumedLiability
Amortization of Time Charter Assumed, Liability
The amortization of the time charter assumed, liability.
cmre_AmortizationOfAssumedTimeCharterAsset
Amortization of Assumed Time Charter, Asset
The amount of amortization of the time charter assumed, asset.
NML [Member]
Represents NML.
Forward Freight Agreements [Member]
Related to forward freight agreements.
cmre_OwnershipPercentage
Ownership Percentage
Represents ownership percentage.
Secured Floating Interest Rate Loan Agreement With Thirteen Companies [Member]
Represents Secured Floating Interest Rate Loan Agreement With 13 Companies.
Refinance Term Loan for Ten Companies [Member]
Represents Refinance Term Loan for Ten Companies.
Note 11.B [Member]
Related to debt.
us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
- Dividends to non-controlling shareholders of subsidiary
Greneta Marine Corp. et al [Member]
Relating to Greneta Marine Corp. et al.
Bastian Shipping Co. et al [Member]
Relating to Bastian Shipping Co. et al.
Quentin Shipping Co. and Sander Shipping Co. 2 [Member]
Relating to the second set of loans to Quentin Shipping Co. and Sanders Shipping Co.
us-gaap_FiniteLivedIntangibleAssetsNet
Finite-Lived Intangible Assets, Net
Time charter assumed, non-current (Note 14)
Other Investors [Member]
Relating to other investors.
Costamare Inc. 3 [Member]
Represents information pertaining to a third Costamare loan agreement.
Costamare Inc. 1 [Member]
Represents information pertaining to a first Costamare Inc. term loan.
cmre_NumberOfVesselsCompletedDdDuringPeriod
Number of Vessels Completed DD During Period
The number of vessels completed dry-docking (DD) during the reporting period.
Forward Freight Agreements (“FFAs”) and Bunker Swap Agreements [Member]
Represents Forward Freight Agreements (“FFAs”) and Bunker swap agreements.
cmre_TermLoanValueMaintenanceClausesForSpecificOne
Term Loan, Value Maintenance Clauses for Specific One
Represents Term Loan, Value Maintenance Clauses for Specific One.
us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Net loss/(income) attributable to the non-controlling interest (Notes 16 and 18)
Costamare Inc. 2 [Member]
Represents information pertaining to a second Costamare loan facility.
cmre_InvestmentOwnedBalanceAdditionalSharesAcquired
Investment Owned Balance Additional Shares Acquired (in shares)
Represents Investment Owned Balance Additional Shares Acquired.
Costamare Inc. 5 [Member]
Represents information pertaining to a fifth Costamare loan agreement.
Costamare Inc. 4 [Member]
Represents information pertaining to a fourth Costamare loan agreement.
Net loss attributable to redeemable non-controlling interest
Net income, redeemable non-controlling interest
Foreign exchange gains/(losses)
Represents the amount of foreign exchange gains (losses) included in operating income (loss) during the period.
Term Loan and Other Financing Arrangements [Member]
Term loans and other financing arrangements classified as long term debt.
us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest
Comprehensive (income) / loss attributable to the non-controlling interest (Notes 16 and 18)
Commitments and Contingencies Disclosure [Text Block]
Beginning Balance, Accumulated Depreciation
Ending Balance, Accumulated Depreciation
us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
us-gaap_PropertyPlantAndEquipmentNet
Total fixed assets, net
-Acquisition of non-controlling interest (Note 1)
FIXED ASSETS, NET:
us-gaap_DerivativeAssets
Derivative Asset
Net Income/ (Loss) for the period
us-gaap_ProfitLoss
Net income
Net income:
us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
Total comprehensive income for the period
Cross Currency Interest Rate Contract [Member]
us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value
Net income (1)
us-gaap_NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest
Derivative Instrument [Axis]
Derivative Contract [Domain]
us-gaap_ForeignCurrencyFairValueHedgeDerivativeAtFairValueNet
Foreign Currency Fair Value Hedge Derivative at Fair Value, Net
us-gaap_GainLossOnForeignCurrencyFairValueHedgeDerivatives
Gain (Loss) on Foreign Currency Fair Value Hedge Derivatives
Income / (loss) from equity method investments (Note 10)
Income (Loss) from Equity Method Investments
(Income)/ Loss from equity method investments
us-gaap_ForeignCurrencyFairValueHedgeAssetAtFairValue
Foreign Currency Fair Value Hedge Asset at Fair Value
Equity method investments (Note 10)
Loans Payable [Member]
us-gaap_GainLossOnDerivativeInstrumentsNetPretax
Loss / (gain) on derivative instruments, net
Restricted cash – non-current portion
Restricted cash, non-current (Note 1)
us-gaap_GeneralAndAdministrativeExpense
General and administrative expenses
Restricted cash – current portion
us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue
Restricted cash (Note 1)
us-gaap_NumberOfForeignCurrencyDerivativesHeld
Number of Foreign Currency Derivatives Held
Cash and cash equivalents
Cash and cash equivalents (Note 1)
cmre_VesselsNet
Beginning Balance, Net Book Value
Ending Balance, Net Book Value
Cost of vessels, including contract price and any material expenses incurred upon acquisition (initial repairs, improvements and delivery expenses, interest and on-site supervision costs incurred during the construction periods), less accumulated depreciation.
Vessels held for sale (Note 7)
Vessel Held For Sale
Related to vessels held for sale.
Voyage revenue
Total voyage revenue
Voyage Revenues
Revenues generated from time charter and voyage charter agreements, recognized over the term of the charter, recorded as service is provided, when they become fixed and determinable.
us-gaap_InterestRateDerivativeLiabilitiesAtFairValue
Interest rate -liability position
Fair value of derivatives, non-current (Notes 22 and 23)
cmre_VoyageExpenses
Voyage expenses
Expenses paid to third parties primarily consisting of port, canal and bunker expenses, commissions that are unique to a particular charter and are paid for by the charterer under time charter arrangements or by the company under voyage charter arrangements, and commissions that are paid directly to brokers by the company.
cmre_ManagementFeesRelatedParties
Management Fees Related Parties
Management and agency fees-related parties (Note 3)
Fees paid to related parties for providing the company with technical, crewing, bunkering, accounting, provisions, sale, purchase services, as well as general administrative, certain commercial services, director and officer related insurance services.
cmre_AmortizationDeferredDrydockingSpecialSurvey
Amortization of dry-docking and special survey costs (Note 8)
Amortization of deferred dry-docking and special survey costs
Amortization of deferred drydocking and special survey costs.
cmre_VoyageExpensesRelatedParties
Voyage Expenses Related Parties
Voyage expenses-related parties (Note 3)
Expenses paid to related parties primarily consisting of commissions and fees, which are paid for by the company, regardless of the charter type.
cmre_GeneralAdministrativeExpensesRelatedParties
General Administrative Expenses Related Parties
General and administrative expenses – related parties (Note 3)
The total of expenses of managing and administering the affairs of an entity paid to related parties, including affiliates of the reporting entity, which are not directly or indirectly associated with vessel operations.
Interest rate -asset position
Loss on vessel held for sale (Note 7)
Gain (Loss) on Assets Held for Sale
Loss on vessel held for sale
Related to the gain (loss) on assets held for sale.
cmre_AmountsReclassifiedFromNetSettlementsOnInterestRateSwapsQualifyingForHedgeAccountingToDepreciation
Amounts Reclassified From Net Settlements on Interest Rate Swaps Qualifying for Hedge Accounting to Depreciation
Amounts reclassified from Net settlements on interest rate swaps qualifying for hedge accounting to Depreciation (Note 24)
Amounts reclassified from Net settlements on interest rate swaps qualifying for hedge accounting to Depreciation
This element represents the amounts reclassified from Net settlements on interest rate swaps qualifying for hedge accounting to Depreciation
Gain /(loss) on derivative instruments, net (Note 22)
Gain on sale of vessels, net (Note 7)
Gain (Loss) on Sale Vessels
Gain on sale of vessels, net
The difference between the sale price or salvage price and the book value of a vessel that was sold during the reporting period. This element refers to the gain (loss).
cmre_IncreaseDecreaseInAccruedCharterRevenue
Accrued charter revenue
The increase (decrease) during the reporting period, in revenue earned but not yet received, which were recognized in under the straight-line method in conformity with revenue recognition criteria based on specific contractual terms.
cmre_DrydockingCosts
Dry-dockings
Cash paid during the reporting period for vessel drydocking costs.
Amendment Flag
cmre_PaymentsToAcquireVessels
Vessel acquisition and advances/Additions to vessel cost
The cash outflow associated with the acquisition of vessel that are used in the normal conduct of business to produce goods and services and not intended for resale and or upgrades of existing vessels to increase their earnings capacity.
Proceeds from the sale of vessels, net
The cash inflow from the sale of vessels.
Major Customer C [Member]
Information pertaining to major customer C.
Major Customer A [Member]
Information pertaining to major customer A.
Major Customer B [Member]
Information pertaining to major customer B.
cmre_OfficersCompensationChargedPeriodEnd
Officers Compensation Charged, Period End
Portion of expenditures for salaries of officers charged at period end. Does not include allocated share-based compensation, pension and post-retirement benefit expense or other labor-related non-salary expense. For commercial and industrial companies, excludes any direct and overhead labor that is included in cost of goods sold.
us-gaap_InterestRateFairValueHedgeAssetAtFairValue
Interest Rate Fair Value Hedge Asset at Fair Value
Costamare Shipping Company SA and Costamare Shipping Services Ltd. [Member]
Information pertaining to Costamare Shipping Comany SA and Costamare Shipping Services Ltd.
cmre_ManagementFeePerDayPerVesselUnderBareboatCharter
Management Fee Per Day, Per Vessel Under Bareboat Charter
The amount of management fee per day, per vessel under bareboat charter.
us-gaap_GainLossOnSaleOfDerivatives
Gain (Loss) on Sale of Derivatives
cmre_ConstructionSupervisoryFee
Construction Supervisory Fee
This item represents the commission payable to Managers upfront in lieu of the fixed management fee.
cmre_ManagementFeePerDayPerVessel
Management Fee Per Day, Per Vessel
The amount of management fee per day per vessel.
Current Fiscal Year End Date
us-gaap_InterestRateCashFlowHedgeAssetAtFairValue
Interest Rate Cash Flow Hedge Asset at Fair Value
cmre_AnnualFeeToRelatedParties
Annual Fee to Related Parties
Annual fee for services provided by Costamare Shipping and/ or Costamare Services as at period end
cmre_CommissionChargedOnCharterHireAgreements
Commission Charged on Charter Hire Agreements
This item represents the commission as a percentage paid to Managers on charter hire agreements.
cmre_WorkingCapitalSecurityPerVessel
Working Capital Security Per Vessel
The per vessel amount hold by a third party manager as working capital security in accordance with the management agreement between the reporting entity and the third party manager.
Document Fiscal Period Focus
cmre_FairValueOfSharesIssuedToManager
Fair Value of Shares Issued to Manager
Represents the fair value of shares issued to managers.
Document Fiscal Year Focus
cmre_WorkingCapitalSecurity
Working Capital Security
The total amount hold by a third party manager as working capital security in accordance with the management agreement between the reporting entity and the third party manager.
us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net
cmre_TotalChargesByManagerToCompanysAffiliates
Total Charges by Manager to Companys Affiliates
Aggregate amount charged to the companies established pursuant to the Framework Agreement for services provided in accordance with the respective management agreements.
cmre_PercentageOwnership
Percentage Ownership
This item represents the percentage of ownership of a related party.
us-gaap_InvestmentOwnedAtCost
Investment Owned, Cost
Document Information [Line Items]
Document Information [Table]
us-gaap_NumberOfInterestRateDerivativesHeld
Number of Interest Rate Derivatives Held
Schedule of Derivative Assets and Liabilities at Fair Value [Table Text Block]
Tabular disclosure of derivative assets and liabilities at fair value.
us-gaap_InvestmentOwnedBalanceShares
Investment Owned, Balance, Shares (in shares)
us-gaap_InvestmentOwnedBalancePrincipalAmount
Investment Owned, Balance, Principal Amount
cmre_WriteoffAndOtherMovements
Write-off and other movements (Note 7)
Write-off of deferred charges and other movements.
us-gaap_AccountsReceivableNet
Accounts Receivable, after Allowance for Credit Loss
Concentration risk percentage
Statement of Comprehensive Income [Abstract]
Interest Rate Swaps That Meet the Criteria for Hedge Accounting [Member]
Refers to information regarding interest rate swaps that meet the criteria for hedge accounting.
Entity Central Index Key
Entity Registrant Name
Entity [Domain]
Legal Entity [Axis]
Customer Concentration Risk [Member]
cmre_NumberOfVesselsProvidedAsCollateralsToSecureLoans
Number of Vessels Provided as Collaterals to Secure Loans
The number of vessels provided as collaterals to secure loans as of the reporting period.
us-gaap_AmortizationOfDeferredCharges
Amortization
cmre_CarryingValueOfVesselsProvidedAsCollateralsToSecureLoans
Carrying Value of Vessels Provided as Collaterals to Secure Loans
The carrying value of vessels provided as collaterals to secure loans as of the reporting period.
cmre_VesselsAtCost
Beginning Balance, Vessel Cost
Ending Balance, Vessel Cost
Cost of vessels, including contract price and any material expenses incurred upon acquisition (initial repairs, improvements and delivery expenses, interest and on-site supervision costs incurred during the construction periods).
cmre_PropertyPlantAndEquipmentNetPeriodIncreaseDecrease
Vessel sales, transfers and other movements
Amount of increase (decrease) of long-lived, physical assets used in the normal conduct of business and not intended for resale net of accumulated depreciation.
Concentration Risk Type [Axis]
Concentration Risk Type [Domain]
Schedule of Deferred Charges [Table Text Block]
Tabular disclosure relating to deferred charges including additions, amortization and write-offs of financing cost and vessels drydocking costs. And if applicable transfers to assets held for sale.
Deferred Charges [Text Block]
The entire disclosure for deferred charges.
cmre_DeferredChargesAdditions
Additions
Represents the amount of additions to deferred charges.
cmre_USRelatedGrossTransportationIncomeThatTaxApplies
US Related Gross Transportation Income That Tax Applies
The percentage of United States related gross transportation income on which tax applied, unless an exemption applies.
Interest Finance Costs [Text Block]
Tabular disclosure of interest and finance costs and amortization of financing costs.
US Treasury Bill Securities [Member]
Costamare Ventures Inc. [Text Block]
The entire disclosure relating to the Framework Deed that Costamare Ventures Inc. (wholly owned subsidiary of the reporting Company) entered into, with York Capital Management Advisors LLC and its affiliate Sparrow Holdings LP.
Revenue from Contract with Customer Benchmark [Member]
Interest Finance Costs [Table Text Block]
Tabular disclosure of interest and debt related expenses.
cmre_NumberOfJointlyOwnedCompanies
Number of Jointly Owned Companies
The number of jointly owned companies formed pursuant to the Framework Agreement with York, that the Company holds a percentage of their capital stock as at the end of the reporting period.
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
cmre_ParticipationOfCompanysWhollyOwnedSubsidiary
Participation of Company's Wholly Owned Subsidiary
This element represents the percentage of the shareholding of the Company through Costamare Ventures, to each entity.
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
cmre_AnnualFeeToRelatedPartiesCharteredInCurrentPeriod
Annual Fee to Related Parties, Chartered in Current Period
Annual fee for services provided by Costamare Shipping and/ or Costamare Services chartered in the current period.
Common Stock Issued for the Services Agreement [Member]
Refers to information regarding common stock issued for the services agreement.
us-gaap_TableTextBlock
Notes Tables
Common Stock Issued for Dividend Reinvestment Plan [Member]
Refers to information regarding common stock issued for the dividend reinvestment plan.
Steadman Maritime Co. [Member]
Investment in Steadman Maritime Co.
Goodway Maritime Co. [Member]
Investment in Goodway Maritime Co.
Platt Maritime Co. [Member]
Investment in Platt Maritime Co.
Geyer Maritime Co. [Member]
Investments in Geyer Maritime Co.
Date of establishment
The dates of establishment or acquisition of the jointly owned companies formed pursuant to the Framework Agreement.
us-gaap_OperatingCostsAndExpenses
Vessels’ operating expenses
Equity Method Investments Summarized Financial Information [Table Text Block]
Tabular disclosure of the summarized financial information regarding equity method investments.
Sykes Maritime Co. [Member]
Investment in Sykes Maritime Co.
Related Party Transaction [Axis]
Related Party Transaction [Domain]
Effective portion of changes in fair value of cash flow hedges (Notes 22 and 24)
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net
Non-current assets
Interest expense
Interest Expense, Operating and Nonoperating
us-gaap_InterestExpenseDebt
Interest Expense, Debt
Amortization and write-off of financing costs
cmre_RevenueDaysPerAnnum
Revenue Days Per Annum (Day)
The number of assumed revenue days used in the calculation of the contracted revenue.
us-gaap_DisclosureTextBlockAbstract
Notes to Financial Statements
us-gaap_DerivativePremiumPaid
Derivative, Premium Paid
cmre_TimeCharterArrangementsRemainingTermsPeriod
Time Charter Arrangements Remaining Terms Period (Month)
The remaining terms period (in total months) of the contracted time charter agreements, including the contracted time charter agreements of vessels under construction, from the end of the reporting period.
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Inventory Disclosure [Text Block]
Subsequent Event [Member]
Schedule of Non Cancelable Long-Term Time Charter Contracts [Table Text Block]
Tabular disclosure of the long term time charter contracted revenue.
cmre_UnbilledReceivablesNotBillableAmountExpectedToBeCollectedInYearTwo
2026
Amount of receivables under long-term contracts that have not been billed and were not billable that are expected to be collected in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
Future Minimum Contractual Charter Revenues Assumptions [Member]
Refers to information regarding future minimum contractual charter revenues assumptions.
Unearned Revenues Regarding Hires Collected in Advance [Member]
Refers to information regarding unearned revenues regarding hires collected in advance.
Subsequent Event Type [Axis]
cmre_UnbilledReceivablesNotBillableAmountExpectedToBeCollectedInYearThree
2027
Amount of receivables under long-term contracts that have not been billed and were not billable that are expected to be collected in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
Time charter assumed (Note 14)
Subsequent Event Type [Domain]
Accrued Charter Revenue, Current and Non-Current and Unearned Revenue, Current and Non-Current [Text Block]
Includes entire disclosure for accrued and deferred revenue.
Deferred charges, net (Note 8)
Beginning Balance
Ending Balance
Unearned Revenues Regarding Charter Revenues Resulting from Varying Charter Rates [Member]
Refers to information regarding unearned revenues from charter revenues resulting from varying charter rates.
Subsequent Events [Text Block]
Schedule of Unbilled Receivables, Not Billable at Balance Sheet Date [Table Text Block]
A schedule of unbilled receivables under long-term contracts that have not been billed and were not billable.
Derivatives assets - noncurrent
us-gaap_DerivativeAssetsNoncurrent
cmre_PercentageToBePaidOnOfferedSharesFairValue
Percentage to be Paid on Offered Shares Fair Value
The percentage of fair value of offered shares to be paid in case that no third party accepts to buy them.
The Put Notice [Member]
Represents the put notice.
cmre_NumberOfMajorityOwnedSubsidiaries
Number of Majority Owned Subsidiaries
The number of majority owned subsidiaries.
Finance Lease Obligations Current and Non-Current [Table Text Block]
Tabular disclosure of the finance lease obligations presenting current and non-current balance as at the period end.
us-gaap_Revenues
Revenues
cmre_InvestmentAgreedAmount
Investment, Agreed Amount
Amount agreed to invest.
Accounts receivable, net, non-current (Note 3)
Termination of the Service Contract Without Cause [Member]
Represents termination of the service contract without cause.
Interest Rate Swap, Cross-currency Rate Swap and Interest Rate Cap [Member]
Represents interest rate swap, cross-currency rate swap and interest rate cap.
cmre_CarryingCapacityOfVesselsAtPeriodEndTEU
Carrying Capacity of Vessels at Period End (TEU)
This element represents the carrying capacity of vessels in TEUs (twenty-foot equivalet units) as at the end of each reporting period.
cmre_NumberOfSubsidiaries
Number of Subsidiaries
The number of subsidiaries owned by the entity.
us-gaap_SharesIssuedPricePerShare
Shares Issued, Price Per Share (in dollars per share)
cmre_NumberOfVessels
Number of Vessels
This element represents the number of vessels owned and operated as at the end of each reporting period.
Common Stock Issued to Costamare Shipping Services Ltd. [Member]
Refers to information regarding common stock issued for Costamare Shipping Services Ltd.
Current assets
us-gaap_AssetsCurrent
Total current assets
OTHER NON-CURRENT ASSETS:
cmre_TermLoanValueMaintenanceClauses
Term Loan, Value Maintenance Clauses
The required fair market value of vessels in relation to the outstanding principal amount on loans.
Equity [Text Block]
Schedule of Financing Costs [Table Text Block]
The tabular disclosure of financing costs associated with outstanding debts.
Additions
Finance costs that have been incurred and deferred during the period.
us-gaap_DirectFinancingLeaseLeaseReceivable
Direct Financing Lease, Lease Receivable
Konstantakopoulos Family [Member]
Refers to information regarding the Konstantakopoulos family.
Income from investment in leaseback vessels
Income from investments in leaseback vessels
Financing costs, non-current portion
Amount, after accumulated amortization, of debt and capital lease issuance costs classified as noncurrent.
cmre_LongtermDebtGrossCurrentMaturities
Long-term Debt, Gross, Current Maturities
Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.
cmre_DeferredFinancingCostsIncludingCapitalLeaseNet
Balance, at beginning of the period
Balance, at end of the period
Amount, after accumulated amortization, of debt and capital lease issuance costs.
cmre_DeferredFinanceCostsIncludingCapitalLeasesNetCurrent
Less: Current portion of financing costs
Amount, after accumulated amortization, of debt and capital lease issuance costs classified as current.
Stockholders' Equity Note, Redeemable Preferred Stock, Issue, Policy [Policy Text Block]
Derivatives assets - current
Fair value of derivatives (Notes 22 and 23)
Prepayments and other assets
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]
Inventories (Note 6)
Accrued charter revenue (Note 14)
Current portion of revenue earned, but not collected, resulting from charter agreements providing for varying annual charter rates over their terms, which were accounted for on a straight-line basis at their average rates.
Charters
Charters
Voyage revenue
Other Third-party Managers [Member]
Represents other third-party managers.
Frontier [Member]
Represents the vessel Frontier.
us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentPeriodIncreaseDecrease
Vessel sales, transfers and other movements
us-gaap_PropertyPlantAndEquipmentGrossPeriodIncreaseDecrease
Vessel sales, transfers and other movements
us-gaap_PropertyPlantAndEquipmentAdditions
Vessel acquisitions, advances and other vessels’ costs
NEW JERSEY
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Accounts receivable, net (Note 3)
Note 11.A.10 [Member]
Related to debt.
REVENUES:
Short-term investments (Note 5)
O 2023 Q1 Dividends [Member]
Information by distribution of earnings to shareholder. Includes, but is not limited to, distribution paid and declared.
O 2022 Q4 Dividends [Member]
Information by distribution of earnings to shareholder. Includes, but is not limited to, distribution paid and declared.
O, 2023, Q4October 15, 2023 to January 14, 2024, Dividends [Member]
Related to dividends.
us-gaap_InterestAndDebtExpense
Interest and finance costs (Note 20)
Total
O 2023 Q4 Dividends [Member]
Information by distribution of earnings to shareholder. Includes, but is not limited to, distribution paid and declared.
Long-Lived Tangible Asset [Axis]
O 2024 Q1 Dividends [Member]
Information by distribution of earnings to shareholder. Includes, but is not limited to, distribution paid and declared.
us-gaap_NonoperatingIncomeExpense
Total other expenses, net
Segment Reporting Disclosure [Text Block]
Long-Lived Tangible Asset [Domain]
Other, net
O, 2024, Q1, January 15, 2024 to April 14, 2024 Dividends [Member]
Related to dividends.
CURRENT ASSETS:
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
Total cash, cash equivalents and restricted cash
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations
Cash, cash equivalents and restricted cash at beginning of the period
Cash, cash equivalents and restricted cash at end of the period
Interest income
us-gaap_SaleLeasebackTransactionNetBookValue
Sale Leaseback Transaction, Net Book Value
us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
Net increase / (decrease) in cash, cash equivalents and restricted cash
us-gaap_NetCashProvidedByUsedInFinancingActivities
Net Cash used in Financing Activities
us-gaap_OperatingIncomeLoss
Operating income
us-gaap_NetCashProvidedByUsedInOperatingActivities
Net Cash provided by Operating Activities
us-gaap_NetCashProvidedByUsedInInvestingActivities
Net Cash provided by / (used in) Investing Activities
Oracle [Member]
Information pertaining to the vessel.
Schedule of Derivatives In ASC 815 Cash Flow Hedging Relationships [Table Text Block]
Tabular disclosure of the effective portion of the gains and losses on derivative instruments designated (and non-derivative instruments) designated and qualifying in cash flow hedges and net investment hedges that was recognized in other comprehensive income (loss) as well as the ineffective portion recognized in the income statement during the current period.
cmre_QuarterlyFeeToRelatedParties
Quarterly Fee to Related Parties
Quarterly fee for services provided by Costamare Shipping and/ or Costamare Services as at period end.
Sale Leaseback Transaction, Name [Domain]
Konstantinos, Progress, Adventure and Manzanillo [Member]
Information pertaining to the vessels.
Schedule of Derivatives Not Designated as Hedging Instruments under ASC 815 [Table Text Block]
Tabular disclosure of the gain and losses on derivative instruments not designated as hedging instruments that was recognized in the income statement during the current period.
Sale Leaseback Transaction, Description [Axis]
cmre_QuarterlyFeeToRelatedPartiesShares
Quarterly Fee to Related Parties, Shares (in shares)
Quarterly fee, in shares, for services provided by Costamare Shipping and/ or Costamare Services as at period end.
Nonrelated Party [Member]
us-gaap_PaymentsOfDividends
Dividends paid
Total derivative assets, June 30, 2024
us-gaap_DerivativeAssetAfterOffsetSubjectToMasterNettingArrangement
Three Interest Rate Swaps Relating to Loan Note 11.A.4 [Member]
Represents three interest rate swaps relating to the loan discussed in Note 11.A.4.
Forward Freight Agreements (“FFAs”), Bunker Swap Agreements, and EUAs[Member]
Represents Forward Freight(“FFAs”), Bunker swaps, and EUAs agreements.
Leaseback Vessel, April 2024 [Member]
Represents leaseback vessel.
Interest Rate Caps Related to Loans Note 11.A.3, 11.A.12, 11.A.15, 11.A.16 and 11.A.18 [Member]
Represents interest rate caps related to the loans discussed in Note 11.A.3, 11.A.12, 11.A.15, 11.A.16 and 11.A.18.
EXPENSES:
us-gaap_PaymentsForRepurchaseOfCommonStock
Repurchase of common stock
Scenario [Domain]
Navilands [Member]
Information pertaining to the related parties.
Leaseback Vessel, April 2024, 2 [Member]
Represents leaseback vessel.
Commission [Member]
Transaction between related party.
Related Party, Local Agency C [Member]
Information by related and nonrelated parties. Related party includes, but is not limited to, affiliate, other entity for which investment is accounted for under equity method, trust for benefit of employee, principal owner, management, and member of immediate family, and other party that may be prevented from pursuing separate interests because of control, significant influence, or ownership interest.
Scenario [Axis]
us-gaap_DerivativeLiabilityAfterOffsetSubjectToMasterNettingArrangement
Total derivative liabilities, June 30, 2024
Loans Agreements, One NML Subsidiary 2 [Member]
Represents loans agreements with 1 NML subsidiary.
Loans Agreements, One NML Subsidiary [Member]
Represents loans agreements with 1 NML subsidiary.
Loans Agreements, One NML Subsidiary 3 [Member]
Represents loans agreements with 1 NML subsidiary.
Loans Agreements, Two NML Subsidiaries 3 [Member]
Represents loans agreements with 2 NML subsidiaries.
Loans Agreements, Two NML Subsidiaries 2 [Member]
Represents loans agreements with 2 NML subsidiaries.
N M L Loan 5 [Member]
Represents NML Loan 5.
NML Loan 4 [Member]
Represents NML Loan 4
N M L Loan 7 [Member]
Represents NML Loan 7.
Capital contribution from non-controlling interest to subsidiary
N M L Loan 6 [Member]
Represents NML Loan 6
Loans Agreements, Three NML Subsidiaries [Member]
Represents loans agreements with 3 NML subsidiaries.
Loans Agreements, One NML Subsidiary 4 [Member]
Represents loans agreements with 1 NML subsidiary.
Loans Agreements, Two NML Subsidiaries 4 [Member]
Represents loans agreements with 2 NML subsidiaries.
Loans Agreement With Three Companies [Member]
Represents loan agreement with 3 companies.
O, 2024, Q3 Dividends [Member]
Information pert6aining to dividends.
us-gaap_PaymentsOfFinancingCosts
Payment of financing costs
N M L Loan 11 [Member]
Represents NML Loan 2.
Comprehensive Income (Loss) Note [Text Block]
Other comprehensive income:
N M L Loan 9 [Member]
Represents NML Loan 9.
N M L Loan 8 [Member]
Represents NML Loan 8.
Bermondi Marine Corp. et al. [Member]
Represents Bermondi Marine Corp. et al.
N M L Loan 10 [Member]
Represents NML Loan 10.
Income Tax Authority, Name [Axis]
Income Tax Authority, Name [Domain]
Disaggregation of Revenue [Table Text Block]
us-gaap_RepaymentsOfLongTermDebt
Repayments of Long-Term Debt
Revenue from Contract with Customer [Text Block]
us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities
Repayment of long-term debt and finance leases
Accounting Policies [Abstract]
Significant Accounting Policies [Text Block]
Related Party [Member]
us-gaap_CommonStockDividendsPerShareCashPaid
Common Stock, Dividends, Per Share, Cash Paid (in dollars per share)
Proceeds from long-term debt and finance leases
Equity Method Investment, Nonconsolidated Investee [Axis]
us-gaap_ProceedsFromIssuanceOfLongTermDebt
Proceeds from Issuance of Long-term Debt, Total
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Equity Method Investment, Nonconsolidated Investee [Domain]
2028
us-gaap_ContractReceivableDueThreeToFourYears
2029
2025
us-gaap_ContractReceivableDueOneYearOrLess
2026
us-gaap_ContractReceivableDueOneToTwoYears
2027
us-gaap_ContractReceivableDueTwoToThreeYears
Asset Class [Axis]
Asset Class [Domain]
Statement of Financial Position [Abstract]
Weighted average number of shares, basic and diluted (Note 18) (in shares)
Weighted average number of common shares, basic and diluted (in shares)
Business Acquisition [Axis]
Earnings per common share, basic and diluted (Note 18) (in dollars per share)
Earnings per common share, basic and diluted (in dollars per share)
Business Acquisition, Acquiree [Domain]
Statement of Cash Flows [Abstract]
us-gaap_EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings
Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Percent
Lease Contractual Term [Domain]
Statement of Stockholders' Equity [Abstract]
Lease Contractual Term [Axis]
us-gaap_PreferredStockDividendsPerShareCashPaid
Preferred Stock, Dividends, Per Share, Cash Paid (in dollars per share)
us-gaap_ProceedsFromIssuanceOfDebt
Proceeds from Issuance of Debt
us-gaap_RepaymentsOfDebt
Repayments of Debt
us-gaap_FinanceLeaseInterestExpense
Finance Lease, Interest Expense
us-gaap_FinanceLeaseLiabilityPaymentsDue
Total
us-gaap_FinanceLeaseRightOfUseAssetAmortization
Finance Lease, Right-of-Use Asset, Amortization
us-gaap_ProceedsFromContributionsFromParent
Proceeds from Contributions from Parent
us-gaap_FinanceLeaseLiabilityUndiscountedExcessAmount
Less: Discount
us-gaap_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths
2025
srt_StockRepurchaseProgramAuthorizedAmount1
Stock Repurchase Program, Authorized Amount
Finance Lease, Liability, to be Paid, Maturity [Table Text Block]
us-gaap_DividendPayableDateToBePaidDayMonthAndYear
Dividends Payable, Date to be Paid
Cash Flows From Financing Activities:
us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
us-gaap_DividendsPayableDateDeclaredDayMonthAndYear
Dividends Payable, Date Declared
us-gaap_DividendsPayableDateOfRecordDayMonthAndYear
Dividends Payable, Date of Record
us-gaap_DividendsPayableAmountPerShare
Dividends Payable, Amount Per Share (in dollars per share)
Return of capital from equity method investments
Dividends [Axis]
Dividends [Domain]
Series C Preferred Stock [Member]
us-gaap_AccountsReceivableBilledForLongTermContractsOrPrograms
Total
Series D Preferred Stock [Member]
Series E Preferred Stock [Member]
Series B Preferred Stock [Member]
us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
Acquisition of a subsidiary, net of cash acquired
Accounts Receivable, Net, Noncurrent [Member]
Related to accounts receivable, net, noncurrent.
Accounts Receivable, Net [Member]
Related to accounts receivable, net.
us-gaap_PaymentsToAcquireEquityMethodInvestments
Payments to Acquire Equity Method Investments
Capital provided to equity method investments
Capital collections from vessels’ leaseback arrangements
Class of Stock [Axis]
Class of Stock [Domain]
Alliance, Merida, Pegasus, and Adventure [Member]
Relating to Alliance, Merida, Pegasus, and Adventure.
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
us-gaap_PaymentsToAcquireBusinessesGross
Payments to Acquire Businesses, Gross
EUA Futures [Member]
Relating to EU Allowances for emissions futures.
Chairman and Chief Executive Officer, Konstantinos Konstantakopoulos [Member]
Related to Chairman and Chief Executive Officer, Konstantinos Konstantakopoulos.
us-gaap_ProceedsFromCollectionOfLoansReceivable
Proceeds from Collection of Loans Receivable
Leaseback Vessel, July 2024 [Member]
Relating to leaseback vessel, July 2024.
Notional amount
us-gaap_DerivativeNotionalAmount
Derivative, Notional Amount
Hedging Relationship [Domain]
Cash Flow Hedging [Member]
cmre_UnbilledReceivablesNotBillableAmountExpectedToBeCollectedInYearOne
2025
Amount of receivables under long-term contracts that have not been billed and were not billable that are expected to be collected in the first fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
Income Tax Disclosure [Text Block]
Hedging Relationship [Axis]
Hedging Designation [Axis]
Hedging Designation [Domain]
Designated as Hedging Instrument [Member]
Schedule of Maturities of Long-Term Debt [Table Text Block]
Schedule of Debt [Table Text Block]
us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life (Year)
us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired
Business Acquisition, Percentage of Voting Interests Acquired
us-gaap_DirectFinancingLeaseNetInvestmentInLeaseAfterAllowanceForCreditLoss
Direct Financing Lease, Net Investment in Lease, after Allowance for Credit Loss
Investment in leaseback vessels (Note 12(b))
Investment in leaseback vessels, non-current (Note 12(b))
us-gaap_PaymentsToAcquireInvestments
Payments to acquire short-term investments
Major Customers A, B, C, D and E [Member]
Represents major customer A, B, C, D and E.
us-gaap_PaymentsToAcquireLeaseReceivables
Payments to Acquire Lease Receivables
Settlements of short-term investments
Non-Cash Investing and Financing Activities:
Service Agreements [Member]
cmre_TotalPaymentsToThirdPartyManagersForCompanysAffiliates
Total Payments to Third Party Managers for Company's Affiliates
Represents the total payments to third party managers for company's affiliates.
cmre_AmountsPaidToThirdPartyManagers
Amounts Paid to Third Party Managers
Represents the amount paid to third party managers.
Supplemental Cash Information:
us-gaap_LongTermDebtFairValue
Long-Term Debt, Fair Value
Oakland [Member]
Relating to Oakland.
V.Ships Greece Ltd. [Member]
Related to V.Ships Greece Ltd.
us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Net income available to Common Stockholders
Net income available to common stockholders
Costamare Inc. 9 [Member]
Relating to Costamare Inc. 9.
Company Owning Arkadia [Member]
Relating to the company owning Arkadia.
Adstone Marine Corp. et al 2 [Member]
Relating to Adstone Marine Corp. et al 2.
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Capetaniss Maritime Corporation et al 2 [Member]
Relating to Capetaniss Maritime Corporation et al 2.
Kalamata Shipping Corporation et al [Member]
Relating to Kalamata Shipping Corporation et al.
CMRE Inc. [Member]
Relating to CMRE Inc.
us-gaap_PreferredStockDividendsIncomeStatementImpact
Earnings allocated to Preferred Stock (Note 18)
Less: paid and accrued earnings allocated to Preferred Stock
us-gaap_RedeemablePreferredStockDividends
Redeemable Preferred Stock Dividends
Deemed dividend in redemption of Series E Preferred Stock (Note 17)
Less: deemed dividend in redemption of Series E Preferred Stock
Net income/(loss)
us-gaap_NetIncomeLoss
Net income attributable to Costamare Inc.
Net income attributable to Costamare Inc.
Proceeds from the settlement of insurance claims
Net investment in sales-type lease vessels
us-gaap_SalesTypeLeaseNetInvestmentInLeaseAfterAllowanceForCreditLoss
Net investment in sales type lease vessels, current (Note 12(c))
Net investment in sales-type lease vessels, current
Unsecured Debt [Member]
Long-Term Debt, Type [Axis]
Long-Term Debt, Type [Domain]
Net investment in sales-type lease vessels, non-current
Net investment in sales type lease vessels, non-current (Note 12(c))
Capital Addition Purchase Commitments [Member]
Participation percentage
Equity Method Investment, Ownership Percentage
cmre_VesselsUnderTimeCharter
Vessels Under Time Charter
The number of vessels under time charter.
Cash Flows From Investing Activities:
Financing Arrangements [Member]
Related to financing arrangements.
Earnings Per Share [Text Block]
Other liabilities
Capetanissa Maritime Corporation et al. [Member]
Related to debt.
Caravokyra Maritime Corporation et al. [Member]
Related to debt.
us-gaap_RelatedPartyTransactionAmountsOfTransaction
Related Party Transaction, Amounts of Transaction
Achilleas Maritime Corporation et al. [Member]
Related to debt.
Debt Issuance Costs, Gross
us-gaap_DeferredFinanceCostsGross
Intersegment Eliminations [Member]
Related Party Transactions Disclosure [Text Block]
us-gaap_IncreaseDecreaseInAccruedLiabilities
Accrued liabilities
us-gaap_IncreaseDecreaseInAccountsPayable
Accounts payable
CYPRUS
us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount
Debt Instrument, Unused Borrowing Capacity, Amount
us-gaap_IncreaseDecreaseInDueToRelatedParties
Due to related parties
us-gaap_ComprehensiveIncomeNetOfTax
Total comprehensive income for the period attributable to Costamare Inc.
us-gaap_DebtInstrumentPeriodicPayment
Debt Instrument, Periodic Payment, Total
us-gaap_DebtInstrumentPeriodicPaymentTermsBalloonPaymentToBePaid
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid
us-gaap_TreasuryStockSharesAcquired
Treasury Stock, Shares, Acquired (in shares)
- Repurchase of common stock (Note 17) (in shares)
us-gaap_LongtermDebtWeightedAverageInterestRate
Long-Term Debt, Weighted Average Interest Rate, at Point in Time
us-gaap_SharesOutstanding
Balance (in shares)
Balance (in shares)
us-gaap_CommonStockSharesOutstanding
Common Stock, Shares, Outstanding (in shares)
us-gaap_PreferredStockSharesOutstanding
Preferred Stock, Shares Outstanding (in shares)
us-gaap_DebtInstrumentInterestRateDuringPeriod
Debt Instrument, Interest Rate During Period
us-gaap_DebtInstrumentInterestRateStatedPercentage
Debt Instrument, Interest Rate, Stated Percentage
us-gaap_DebtInstrumentFairValue
Debt Instrument, Fair Value Disclosure
Right-of-use assets obtained in exchange for operating lease obligations
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1
Operating Lease, Weighted Average Remaining Lease Term (Year)
us-gaap_IncreaseDecreaseInPrepaidExpense
Prepayments and other
Lease receivable
us-gaap_SalesTypeLeaseNetInvestmentInLease
us-gaap_DebtInstrumentFaceAmount
Debt Instrument, Face Amount
us-gaap_SalesTypeLeaseSellingProfitLoss
Sales-type Lease, Selling Profit (Loss)
us-gaap_DividendsCommonStockCash
Dividends, Common Stock, Cash
us-gaap_DividendsPreferredStockCash
Dividends, Preferred Stock, Cash
- Dividends – Preferred stock (Note 17)
LIBERIA
us-gaap_DividendsPreferredStock
Dividends, Preferred Stock
Amoroto et al. [Member]
Related to Amoroto et al.
Benedict et al. 2 [Member]
Related to debt.
Amoroto et al. 2 [Member]
Related to debt.
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
us-gaap_DividendsCommonStock
- Dividends – Common stock (Note 17)
MARSHALL ISLANDS
Reddick Shipping Co. and Verandi Shipping Co. 3 [Member]
Related to debt.
us-gaap_AdjustmentsToAdditionalPaidInCapitalDividendsInExcessOfRetainedEarnings
-Redemption of Preferred Stock (Series E)
us-gaap_IncreaseDecreaseInAccountsReceivable
Accounts receivable
Liability Class [Axis]
Fair Value by Liability Class [Domain]
us-gaap_IncreaseDecreaseInInsuranceSettlementsReceivable
Insurance claims receivable
us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived
Total undiscounted cash flows
us-gaap_SalesTypeAndDirectFinancingLeasesInterestIncome
Sales-type and Direct Financing Leases, Interest Income
us-gaap_TreasuryStockValueAcquiredCostMethod
Treasury Stock, Value, Acquired, Cost Method
- Repurchase of common stock (Note 17)
us-gaap_IncreaseDecreaseInDueFromRelatedParties
Due from related parties
us-gaap_TreasuryStockValue
Treasury stock (Note 17)
us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears
2028
us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths
2025
us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears
2026
us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears
2027
Sales-Type and Direct Financing Leases, Payment to be Received, Maturity [Table Text Block]
Dividend reinvested in common stock of the Company
us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan
Stock Issued During Period, Shares, Dividend Reinvestment Plan (in shares)
Long-Term Debt [Text Block]
us-gaap_IncreaseDecreaseInInventories
Inventories
us-gaap_CommonStockDividendsShares
Common Stock Dividends, Shares (in shares)
Unguaranteed residual value
us-gaap_SalesTypeLeaseNetInvestmentInLeaseAllowanceForCreditLoss
Related and Nonrelated Parties [Axis]
Related and Nonrelated Parties [Domain]
- Issuance of common stock (Notes 3 and 17) (in shares)
Stock Issued During Period, Shares, New Issues (in shares)
Cargo and Freight [Member]
Asset Management Arrangement [Member]
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities and stockholders’ equity
- Issuance of common stock (Notes 3 and 17)
us-gaap_LessorDirectFinancingLeaseTermOfContract1
Lessor, Direct Financing Lease, Term of Contract (Year)
Retained earnings
Accumulated other comprehensive income (Notes 22 and 24)
Changes in operating assets and liabilities:
Operating lease liabilities, non-current portion (Note 13)
Operating lease liabilities, including current portion
us-gaap_OperatingLeaseLiability
Operating lease liabilities, current portion (Note 13)
cmre_CharterinHireExpenses
Charter-in hire expenses
Amount of expense for charter-in hire.
Finance lease liabilities – current
Finance lease liability (Note 12 (a))
Finance lease liabilities – non-current
Finance lease liability, net of current portion (Note 12 (a))
cmre_NumberOfCharteredinThirdpartyVessels
Number of Chartered-in Third-party Vessels
The number of chartered-in third-party vessels.
Operating leases, right-of-use assets (Note 13)
Dividend from equity method investees
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue
Total
Total finance lease liability
us-gaap_FinanceLeaseLiability
Finance Lease, Liability
us-gaap_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
Discount based on incremental borrowing rate
Company Incorporated Under Laws of Jersey [Member]
Represents company incorporated under the laws of Jersey.
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree
2027
cmre_PaymentsForInvestmentsInLeasebackVesselsInvestingActivities
Issuance of investments in leaseback vessels
Amount of cash outflow for investments in leaseback vessels, classified as investing activities.
Finance leases, right-of-use assets (Note 12(a))
us-gaap_UnrealizedGainLossOnInvestments
Increase in short-term investments
cmre_CharterRatesIncreaseDecreaseInRatesPercentage
Charter Rates, Increase (Decrease) in Rates, Percentage
Percentage of increase (decrease) in charter rates.
Neptune Maritime Leasing Limited (“NML”) [Member]
Represents Neptune Maritime Leasing Limited (“NML”).
Neptune Global Finance Ltd. (“NGF”) [Member]
Represents Neptune Global Finance Ltd. (“NGF”).
cmre_FeePercentageOnCommittedCapitalToBeInvested
Fee Percentage on Committed Capital to be Invested
Percentage of fee on committed capital to be invested.
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
2025
cmre_FeePercentageOnContributedCapitalInvested
Fee Percentage on Contributed Capital Invested
Percentage of fee on contributed capital invested.
us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
2026
Codrus [Member]
Represents Codrus.
Adele Shipping Co Loan Agreement [Member]
Represents the Adele Shipping Co loan agreement.
Financial And Strategic Advice [Member]
Represents financial and strategic advice.
Bastian Shipping Co and Cadence Shipping Co Loan Agreement [Member]
Represents the Bastian Shipping Co and Cadence Shipping Co loan agreement.
Aquaenna (tbr. Enna) [Member]
Represents Aquaenna (tbr. Enna).
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
Equity based payments
Forward Currency Contracts [Member]
Represents forward currency contracts.
us-gaap_AmortizationOfFinancingCostsAndDiscounts
Amortization and write-off of financing costs
Voyage Charters and Contracts of Affreightment [Member]
Represents voyage charters and Contracts of Affreightment.
Time Charters [Member]
Represents time charters.
Lessee and Lessor, Finance Leases [Text Block]
The entire disclosure for finance leases of lessee and lessor.
Voyage Revenues [Member]
Represents voyage revenues.
O, 2022, Q4, October 15, 2022 to January 14, 2023, Dividends [Member]
Related to dividends.
O, 2023, Q1,January 15, 2023 to April 14, 2023, Dividends [Member]
Related to dividends.
Leaseback Vessel, April 2023 [Member]
Represents leaseback vessel.
Leaseback Vessel, March 2023, 1 [Member]
Represents leaseback vessel.
Leaseback Vessel, June 2023 [Member]
Represents leaseback vessel.
Leaseback Vessel, May 2023 [Member]
Represents leaseback vessel.
Leaseback Vessel, May 2022, 2 [Member]
Represents leaseback vessel.
us-gaap_FairValueNetAssetLiability
Total
Leaseback Vessel, December 2022, 2 [Member]
Represents leaseback vessel.
Leaseback Vessel, December 2022, 1 [Member]
Represents leaseback vessel.
us-gaap_Depreciation
Depreciation
us-gaap_DepreciationDepletionAndAmortization
Depreciation (Notes 7, 12 and 24)
Depreciation
Sales-type Lease, Net Investment in Lease [Table Text Block]
Tabular disclosure for sales-type lease, net investment in lease.
Vela and Vulpecula [Member]
Represents Vela and Vulpecula.
Charter-in Commitments [Member]
Represents charter-in commitments.
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Table Text Block]
Tabular disclosure of cash and cash equivalents unrestricted and restricted as to withdrawal or usage.
cmre_NumberOfVoyagesWithIndexlinkedRate
Number of Voyages With Index-linked Rate
The number of voyages with index-linked rate.
Capetanissa Maritime Corporation and Berg Shipping Co. Tranche B [Member]
Represents tranche B of Capetanissa Maritime Corporation and Berg Shipping Co. loan agreement.
Capetanissa Maritime Corporation and Berg Shipping Co. Tranche A [Member]
Represents tranche A of Capetanissa Maritime Corporation and Berg Shipping Co. loan agreements
Loans Agreement With 15 Companies [Member]
Represents loan agreement with 15 companies.
NML Loan Agreement [Member]
Represents the NML loan agreement.
Capetanissa Maritime Corporation and Berg Shipping Co. Loan Agreement [Member]
Represents loan agreement by Capetanissa Maritime Corporation and Berg Shipping Co.
Alford Shipping Co., Finney Shipping Co., Kalamata Shipping Corporation, Nisbet Shipping Co. and Novara Shipping Co. Loan Agreement [Member]
Represents loan agreement by Alford Shipping Co., Finney Shipping Co., Kalamata Shipping Corporation, Nisbet Shipping Co. and Novara Shipping Co.
Derivative Liability, Noncurrent [Member]
Represents derivative liability, noncurrent.
Derivative Liability, Current [Member]
Represents derivative liability, current.
Polar Argentina [Member]
Represents Polar Argentina.
Derivative Asset, Noncurrent [Member]
Represents derivative asset, noncurrent.
cmre_NumberOfUnencumberedVessels
Number of Unencumbered Vessels
The number of unencumbered vessels.
Derivative Assets, Current [Member]
Represents derivative assets, current.
cmre_DeferredFinanceCostsAmortizationAndWriteoff
Amortization and write-off
The amount of amortization and write-offs related to deferred finance costs.
Interest Rate Cap, Three-month or Daily Compounded SOFR Exceeds 2.53%-3.50% [Member]
Represents interest rate cap when three-month or Daily Compounded SOFR exceeds 2.53%-3.50%.
Polar Brasil [Member]
Represents Polar Brasil.
Common stock (Note 17)
Interest Rate Cap, Three-month or Daily Compounded SOFR Exceeds 2.74%-3.00% [Member]
Represents interest rate cap when three-month or Daily Compounded SOFR exceeds 2.74%-3.00%.
us-gaap_InvestmentOwnedAtFairValue
Investment Owned, Fair Value
Adjustments to reconcile net income to net cash provided by operating activities:
Measurement Frequency [Axis]
Measurement Frequency [Domain]
Fair Value, Recurring [Member]
- Issuance of subsidiary shares to non-controlling interest (Note 1)
Amount of increase (decrease) in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders.
us-gaap_CommonStockSharesIssued
Common Stock, Shares, Issued (in shares)
us-gaap_LesseeOperatingLeaseDiscountRate
Lessee, Operating Lease, Discount Rate
us-gaap_CommonStockParOrStatedValuePerShare
Common Stock, Par or Stated Value Per Share (in dollars per share)
Statistical Measurement [Domain]
cmre_NumberOfDryBulkVessels
Number of Dry-bulk Vessels
The number of dry-bulk vessels owned by the company.
Maximum [Member]
Minimum [Member]
Ownership [Domain]
Product and Service [Axis]
Product and Service [Domain]
Statistical Measurement [Axis]
Investment, Name [Domain]
cmre_DailyBrokerageCommissionOnTimeCharter
Daily Brokerage Commission on Time Charter
The daily brokerage commission per day on time charters.
us-gaap_PreferredStockLiquidationPreference
Preferred Stock, Liquidation Preference Per Share (in dollars per share)
Ownership [Axis]
Preferred stock (Note 17)
Cash paid during the period for interest, net of capitalized interest
Investment, Name [Axis]
Dry Bulk Vessels Segment [Member]
Represents dry bulk vessels segment.
Geographical [Axis]
Geographical [Domain]
cmre_DeadWeightTonnageOfVessels
Dead Weight Tonnage of Vessels
The DWT of vessels.
Container Vessels Segment [Member]
Represents container vessels segment.
cmre_NumberOfVesselsSurveyInProcess
Number of Vessels Survey in Process
The number of vessels that special survey for dry docking is still in process.
Berg Shipping Co. Loan Agreement [Member]
Represents the Berg Shipping Co. loan agreement.
Fair Value, Inputs, Level 3 [Member]
Ainsley Maritime Co. and Ambrose Maritime Co. Loan Agreement [Member]
Represents the Ainsley Maritime Co. and Ambrose Maritime Co. loan agreement.
Fair Value Hierarchy and NAV [Domain]
Customer [Axis]
Customer [Domain]
Fair Value, Inputs, Level 1 [Member]
Hyde Maritime Co. and Skerrett Maritime Co. Loan Agreement [Member]
Represents the Hyde Maritime Co. and Skerrett Maritime Co. loan agreement.
Fair Value, Inputs, Level 2 [Member]
Evantone Shipping Co. and Fortrose Shipping Co. Loan Agreement [Member]
Represents the Evantone Shipping Co. and Fortrose Shipping Co. loan agreement.
Fair Value Hierarchy and NAV [Axis]
Bank charges and other financing costs
The amount of bank charges and other financing costs.
us-gaap_ProceedsFromDividendsReceived
Proceeds from Dividends Received
Loan Agreement with 11 Companies [Member]
Represents the loan agreement with Achilleas Maritime Corporation, Angistri Corporation, Fanakos Maritime Corporation, Fastsailing Maritime Co., Lindner Shipping Co., Miko Shipping Co., Saval Shipping Co., Spedding Shipping Co., Tanera Shipping Co., Timpson Shipping Co. and Wester Shipping Co.
Loan Agreement with 11 Companies, Tranche A [Member]
Represents tranche A of the loan agreement with Achilleas Maritime Corporation, Angistri Corporation, Fanakos Maritime Corporation, Fastsailing Maritime Co., Lindner Shipping Co., Miko Shipping Co., Saval Shipping Co., Spedding Shipping Co., Tanera Shipping Co., Timpson Shipping Co. and Wester Shipping Co.
Loan Agreement with 11 Companies, Tranche C [Member]
Represents tranche C of the loan agreement with Achilleas Maritime Corporation, Angistri Corporation, Fanakos Maritime Corporation, Fastsailing Maritime Co., Lindner Shipping Co., Miko Shipping Co., Saval Shipping Co., Spedding Shipping Co., Tanera Shipping Co., Timpson Shipping Co. and Wester Shipping Co.
Loan Agreement with 11 Companies, Tranche B [Member]
Represents tranche B of the loan agreement with Achilleas Maritime Corporation, Angistri Corporation, Fanakos Maritime Corporation, Fastsailing Maritime Co., Lindner Shipping Co., Miko Shipping Co., Saval Shipping Co., Spedding Shipping Co., Tanera Shipping Co., Timpson Shipping Co. and Wester Shipping Co.
Hyde Maritime Co. and Skerrett Maritime Co. Loan Agreement, Tranche A [Member]
Represents tranche A of the Hyde Maritime Co. and Skerrett Maritime Co. loan agreement.
Hyde Maritime Co. and Skerrett Maritime Co. Loan Agreement, Tranche B [Member]
Represents tranche B of the Hyde Maritime Co. and Skerrett Maritime Co. loan agreement.
Kemp Maritime Co. Loan Agreement [Member]
Represents the Kemp Maritime Co. loan agreement.
The Bond [Member]
Represents the Bond.
cmre_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFiveAndThereafter
2030 and thereafter
Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year and thereafter. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
Company Owning Cape Artemisio [Member]
Represents the company owning Cape Artemisio.
us-gaap_IncreaseDecreaseInDeferredRevenue
Unearned revenue
us-gaap_PreferredStockDividendRatePercentage
Preferred Stock, Dividend Rate, Percentage
Non-controlling interest (Note 1)
Equity, Attributable to Noncontrolling Interest
Novara Shipping Co., Finney Shipping Co., Alford Shipping Co. and Nisbet Shipping Co. Loan Agreement [Member]
Represents the Novara Shipping Co., Finney Shipping Co., Alford Shipping Co. and Nisbet Shipping Co. loan agreement.
Novara Shipping Co., Finney Shipping Co., Alford Shipping Co. and Nisbet Shipping Co. Loan Agreement, Tranche A [Member]
Represents tranche A of the Novara Shipping Co., Finney Shipping Co., Alford Shipping Co. and Nisbet Shipping Co. loan agreement.
Cash Flows From Operating Activities:
Refinance Term Loans of 17 Companies [Member]
Represents the refinance term loan of 17 companies.
Statement [Line Items]
Sealand Illinois [Member]
Represents Sealand Illinois.
Unamortized Balance of Charters Assumed [Member]
Represents the unamortized balance of charters assumed.
Refinance Term Loan to Vulpecula, Volans, Virgo and Vela and Tranche C of 11 Companies Term Loan [Member]
Represents the refinance term loan for Vulpecula, Volans, Virgo and Vela and term loan of 11 companies tranche C.
2030 and thereafter
cmre_ConstructionContractorReceivableExcludingContractRetainageYearFiveAndAfter
Amount of right to consideration in exchange for good or service transferred to customer under long-term contract or program when right to consideration is unconditional, excluding amount withheld under retainage provision in contract, to be collected in fifth fiscal year following current fiscal year and thereafter. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
Refinance Term Loan for Merida, Bermondi, Titan I and Uruguay [Member]
Represents the refinance term loan for Merida, Bermondi, Titan I and Uruguay.
Additional paid-in capital
Cross Currency Interest Rate Contract, Effective 25/5/2021 [Member]
Derivative instrument whose primary underlying risk is tied to interest rates and foreign exchange rates.
Interest Rate Swap and Cross Currency Swap [Member]
Represents interest rate swaps and cross currency swap.
Derivative Cross Currency Interest Rate Contract, Euro, Effective 25/5/2021 [Member]
Derivative instrument whose primary underlying risk is tied to interest rates and foreign exchange rates.
Cross Currency Interest Rate Contract, Euro, Effective 21/5/2021 [Member]
Derivative instrument whose primary underlying risk is tied to interest rates and foreign exchange rates.
AOCI Attributable to Parent [Member]
Cross Currency Interest Rate Contract, Effective 21/5/2021 [Member]
Derivative instrument whose primary underlying risk is tied to interest rates and foreign exchange rates.
STOCKHOLDERS’ EQUITY:
Margin deposits (Note 22(d))
Margin Deposit Assets
Temporary equity – Redeemable non-controlling interest in subsidiary – (Note 16)
Balance, December 31, 2023
Balance, June 30, 2024
us-gaap_Liabilities
Total liabilities
COMMITMENTS AND CONTINGENCIES (Note 15)
Aquarange (tbr. Dorado) [Member]
Represents Aquarange (tbr. Dorado).
Sale Leaseback Transactions Regarding the Vessel Polar Brasil S&L [Member]
Represents ale leaseback transactions regarding the polar brasil S&L.
Leaseback Vessel, May 2021 [Member]
Represents the leaseback vessel.
Counterparty Name [Axis]
Counterparty Name [Domain]
Consolidation Items [Domain]
Time Charter Assumed Asset Position [Member]
Represents time charter assumed asset position.
Consolidation Items [Axis]
Consolidated Entities [Axis]
Consolidated Entities [Domain]
Equity Method Investments and Joint Ventures Disclosure [Text Block]
Equity Method Investments [Table Text Block]
Noncontrolling Interest [Member]
Sealand Washington, Maersk Kalamata, Miner, Taibo and Comity [Member]
Represents Sealand Washington, Maersk Kalamata, Miner, Taibo and Comity.
Retained Earnings [Member]
us-gaap_UnbilledReceivablesNotBillableAtBalanceSheetDate
Total
Four Leaseback Vessels [Member]
Represents four leaseback vessels.
Treasury Stock, Common [Member]
Additional Paid-in Capital [Member]
Parent [Member]
Common Stock [Member]
Preferred Stock [Member]
Equity Components [Axis]
Equity Component [Domain]
Other financing arrangements
us-gaap_OtherLongTermDebt
Other Long-Term Debt
us-gaap_LongTermDebt
Long-Term Debt
Unearned revenue (Note 14)
Less current portion
Unearned revenue, net of current portion (Note 14)
Non-current portion
Deferred Revenue [Member]
Represents deferred revenue.
Vessels and advances, net [Text block]
Disclosure of vessels net of accumulated depreciation, additions to vessels' cost and advances for vessel acquisitions and or vessels under construction.
Deferred Revenue, by Arrangement, Disclosure [Table Text Block]
Vessels and advances, net (Note 7)
This element includes vessels' book value net of accumulated depreciation and advances for vessel acquisitions and or under construction.
Schedule Vessels and Advances, Net [Table Text Block]
Tabular disclosure of the cost and accumulated depreciation of vessels that are used in the normal conduct of business to produce goods and services and not intended for resale and advances for vessel acquisitions and or vessels under construction.
cmre_AccruedCharterRevenueLiability
Accrued Charter Revenue Liability
The amount of accrued charter revenue liability.
cmre_AccruedCharterRevenueCurrent
Accrued Charter Revenue, Current
The amount of accrued charter revenue, classified as current.
Accrued charter revenue, non-current (Note 14)
Accrued Charter Revenue, Noncurrent
Non-Current portion of revenue earned, but not collected, resulting from charter agreements providing for varying annual charter rates over their terms, which were accounted for on a straight-line basis at their average rates.
Derivatives’ effect
Interest expense for interest rate swaps qualifying for cash flow hedge during the reporting period.
Unearned Revenue
us-gaap_DeferredRevenue
us-gaap_DeferredFinanceCostsCurrentNet
Debt Issuance Costs, Current, Net
Venetiko [Member]
Related to Venetiko.
Capetanissa Maritime Corporation et al 2 [Member]
Related to debt.
Acquisition of Pegasus, Eracle, Peace, Sauvan, Pride, Acuity, Comity and Athena [Member]
Related to Pegasus, Eracle, Peace, Sauvan, Pride, Acuity, Comity and Athena acquisition debt.
Statement of Financial Position Location, Balance [Axis]
ZIM Shanghai [Member]
Related to ZIM Shanghai.
Statement of Financial Position Location, Balance [Domain]
ZIM New York [Member]
Related to ZIM New York.
General and Administrative Expense [Member]
Long-term debt
us-gaap_DebtInstrumentCarryingAmount
Long-Term Debt, Gross
Refinance Term Loan for Bernis, Verity, Dawn, Discovery and Parity [Member]
Related to refinance term loan for Bernis, Verity, Dawn, Discovery and Parity.
Hunting License Facility Agreement for Pythias, Egyptian Mike, Phoenix, Belstar (tbr Oracle), Universal Bremen (tbr Libra) [Member]
Related to Hunting License Facility Agreement for Pythias, Egyptian Mike, Phoenix, Belstar (tbr Oracle), Universal Bremen (tbr Libra).
Hunting License Facility to Purchase Progress, Merida, Miner, Uruguay, Resource, Konstantinos, Cetus (ex. Charm), Titan I, Bermondi, Orion, Merchia and Damon [Member]
Related to Hunting License Facility to acquire Progress, Merida, Miner, Uruguay, Resource, Konstantinos, Cetus (ex. Charm), Titan I, Bermondi, Orion, Merchia and Damon.
Hunting License Facility Agreement to Acquire Bernis, Verity, Dawn, Discovery, Clara, Serena, Parity, Taibo, Thunder, Equity, Curacao and Rose [Member]
Related to Hunting License Facility to acquire Bernis, Verity, Dawn, Discovery, Clara, Serena, Parity, Taibo, Thunder, Equity, Curacao and Rose.
Ainsley Maritime Co. and Ambrose Maritime Co. Loan Agreement Each Tranche [Member]
Related to debt.
Statement of Income Location, Balance [Axis]
Statement of Income Location, Balance [Domain]
us-gaap_DerivativeAssetCollateralObligationToReturnCashOffset
Counterparty netting*
us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Subsidiary, Ownership Percentage, Noncontrolling Owner
us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
Total
Segments [Axis]
Segments [Domain]
Redeemable Noncontrolling Interest [Table Text Block]
Amortization of assumed time charter
Represents the amortization expense of Time charter assumed amounted and is included in Voyage revenue in the 2018 accompanying consolidated statement of income.
Statement [Table]
us-gaap_MinorityInterestOwnershipPercentageByParent
Subsidiary, Ownership Percentage, Parent
Noncontrolling Interest Disclosure [Text Block]
cmre_DeadWeightTonnageOfDrybulkVessels
Dead Weight Tonnage of Dry-bulk Vessels
Represents dead weight tonnage of dry-bulk vessels.
us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet
Derivative Assets (Liabilities), at Fair Value, Net
Income Statement [Abstract]
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
2027
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
2028
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
2029
Counterparty netting*
us-gaap_DerivativeLiabilityCollateralRightToReclaimCashOffset
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
2025
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
2026
Vessel Cost [Member]
Represents vessel cost.
Accumulated Depreciation [Member]
Represents accumulated depreciation.
Net Book Value [Member]
Represents net book value.
cmre_NumberOfVesselsAcquiredUnderSPA
Number of vessels acquired under SPA
Represents number of vessels acquired under SPA.
us-gaap_DerivativeAverageForwardExchangeRate1
Derivative, Average Forward Exchange Rate
cmre_DemandForSeaborneDryBulkTradeIncreaseDecreaseComparedToPreviousYearPercent
Demand for Seaborne Dry Bulk Trade, Increase (Decrease), Compared to Previous Year, Percent
Represents the percentage of increase (decrease) in demand for seaborne dry bulk trade.
Non-current liabilities
us-gaap_LiabilitiesNoncurrent
Total non-current liabilities
Other non-current liabilities
us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceSheetAmount
Unrecorded Unconditional Purchase Obligation
N M L Loan 2 [Member]
Represents NML Loan 2.
Fair value
us-gaap_DerivativeFairValueOfDerivativeNet
Derivative, Fair Value, Net
Barlestone Marine Corp. et al. [Member]
Represents the Barlestone Marine Corp.
N M L Loan 3 [Member]
Represents NML Loan 3.
Singleton Shipping Co. and Tatum Shipping Co. Term Loan [Member]
Represents information related to term loan issued by Singleton shipping Co and Tatum shipping Co.
Derivative liabilities - noncurrent
Fair value of derivatives, non-current portion (Notes 22 and 23)
Financial Arrangement, Share Purchase Agreement [Member]
Represents financing arrangement related to share purchase agreement.
Five Pre- and Post-delivery Financial Agreements [Member]
Represents information pertaining to five pre- and post-delivery financial agreements.
Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis]
Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain]
cmre_UnbilledReceivablesNotBillableAmountExpectedToBeCollectedInYearFour
2028
Amount of receivables under long-term contracts that have not been billed and were not billable that are expected to be collected in the forth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
us-gaap_StockholdersEquity
Total Costamare Inc. stockholders’ equity
Foreign Exchange Forward [Member]
Interest rate caps (excluded component) (1)
us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseBeforeAdjustmentsAfterTax
us-gaap_OtherComprehensiveIncomeLossDerivativeExcludedComponentIncreaseDecreaseAdjustmentsAfterTax
Other Comprehensive Income (Loss), Derivative, Excluded Component, Increase (Decrease), Adjustments, after Tax
Reclassification of amount excluded from the interest rate caps assessment of effectiveness based on an amortization approach to Interest and finance costs (Notes 20, 22 and 24)
Reclassification of amount excluded from the interest rate caps assessment of hedge effectiveness based on an amortization approach to Interest and finance costs
Eurodollar Future [Member]
Long-term debt, net of current portion and deferred financing costs (Note 11)
Long-Term Debt, Excluding Current Maturities
Leaseback Vessel, July 2023 [Member]
Represents leaseback vessel.
Option Indexed to Issuer's Equity, Type [Axis]
Option Indexed to Issuer's Equity, Type [Domain]
us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax
Reclassification to Interest and finance costs
Unrealized gain / (loss) on cash flow hedges, net (Notes 22 and 24)
Australian Taxation Office [Member]
Interest Rate Swap [Member]
Operating Segments [Member]
Fixed rate
us-gaap_DerivativeFixedInterestRate
Leaseback Vessel, July 2023, 3 [Member]
Represents leaseback vessel.
Interest rate swaps, cross-currency swaps, and interest rate caps (included component)
us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax
us-gaap_LongTermPurchaseCommitmentAmount
Long-Term Purchase Commitment, Amount
Leaseback Vessel, July 2023, 2 [Member]
Represents leaseback vessel.
Interest Rate Cap [Member]
Entity Address, Address Line One
Entity Address, City or Town
Entity Address, Country
Entity Address, Postal Zip Code
Document Period End Date
Entity File Number
Document Type