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 3 - Discontinued Operations
us-gaap_InsuranceSettlementsReceivable
Insurance claims receivable
Leaseback Vessel, July 2023, 4 [Member]
Represents leaseback vessel.
Note 5 - Segmental Financial Information
Leaseback Vessel, September 2023 [Member]
Represents leaseback vessel.
Note 8 - Vessels, Net
Leaseback Vessel, August 2023, 2 [Member]
Represents leaseback vessel.
Note 9 - Deferred Charges, Net
Note 10 - Long-term Debt
NON-CURRENT LIABILITIES:
Note 11 - Right-of-Use Assets, Finance Lease Liabilities, Investment 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 12 - Accrued Charter Revenue, Current and Non-current, Unearned Revenue, Current and Non-current and Time Charter Assumed, Current and Non-current
Long-Term Purchase Commitment, Category of Item Purchased [Domain]
Note 13 - Commitments and Contingencies
Leaseback Vessel, December 2023, 2 [Member]
Represents leaseback vessel.
Note 14 - Redeemable Non-controlling Interest
Leaseback Vessel, December 2023 [Member]
Represents leaseback vessel.
Note 16 - Earnings Per Share
Leaseback Vessel, December 2023, 3 [Member]
Represents leaseback vessel.
Note 17 - Interest and Finance Costs
Note 19 - Derivatives
us-gaap_LiabilitiesCurrent
Total current liabilities
Note 20 - Financial Instruments
Current liabilities of discontinued operations (Note 3)
Total current liabilities of discontinued operations
Note 1 - Basis of Presentation and General Information - Assets and Liabilities of Costamere Bulkers (Details)
Note 1 - Basis of Presentation and General Information - Customer Concentration Risk (Details)
Other current liabilities
Other current liabilities
Note 1 - Basis of Presentation and General Information - Reconciliation of Cash, Cash Equivalents and Restricted Cash (Details)
Note 3 - Discontinued Operations - Components (Details)
Note 5 - Segmental Financial Information - Summary of Reportable Segments (Details)
Leaseback Vessel, December 2023, 5 [Member]
Represents leaseback vessel.
Note 8 - Vessels, Net - Summary of Vessels (Details)
Note 9 - Deferred Charges, Net - Schedule of Deferred Charges, Net (Details)
Note 10 - Long-term Debt - Schedule of Long-term Debt (Details)
Note 10 - Long-term Debt - Annual Repayments Under Credit Facilities and Term Loans (Details)
cmre_NumberOfSecondhandDryBulkVessels
Number of Secondhand Dry Bulk Vessels
Represents the number of secondhand dry bulk vessels.
Note 10 - Long-term Debt - Financing Costs Included in Loan Balances (Details)
Insurance claims receivable
Note 11 - Right-of-Use Assets, Finance Lease Liabilities, Investment in Leaseback Vessels and Net Investment in Sales-type Leases - Sales-type Lease (Details)
Note 11 - Right-of-Use Assets, Finance Lease Liabilities, Investment in Leaseback Vessels and Net Investment in Sales-type Leases - Maturity of Sales-type Lease Receivables (Details)
Note 12 - 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 12 - 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)
cmre_LongTermDebtGrossIncludingTermLoansAndOtherFinancingArrangements
Total
Represents the gross amount of long-term debt at the balance sheet date, including term loans and other financing arrangements.
Note 13 - Commitments and Contingencies - Schedule of Time Charter Arrangements (Details)
Note 14 - Redeemable Non-controlling Interest - Redeemable Non-controlling Interest in Subsidiary (Details)
us-gaap_DerivativeNumberOfInstrumentsHeld
Derivative, Number of Instruments Held
us-gaap_DerivativeLiabilitiesCurrent
Fair value of derivatives (Notes 19 and 20)
Note 16 - Earnings Per Share - Schedule of Earnings Per Share (Details)
Note 17 - Interest and Finance Costs - Schedule of Income Statement Related Costs (Details)
Note 19 - Derivatives - Cross Currency Swaps (Details)
Note 19 - Derivatives - Effect of Derivative Instruments (Details)
Note 19 - Derivatives - Derivatives Not Designated as Hedging Instruments and Ineffectiveness of Hedging Instruments (Details)
Note 20 - Financial Instruments - Fair Value of Assets and Liabilities (Details)
Notes To Financial Statements
Schedule of Derivative Instruments [Table Text Block]
Notes To Financial Statements [Abstract]
cmre_AccruedCharterRevenueNet
Accrued Charter Revenue, Net
Represents net accrued charter revenue.
Current portion of long-term debt, net of deferred financing costs (Note 10)
Total
- Other comprehensive income (loss)
Other Comprehensive Income (Loss), Net of Tax
Other comprehensive income / (loss) for the period
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.
Accrued liabilities
Leaseback Vessel, February 2024 [Member]
Represents leaseback vessels.
LC LAW Stylianou & Associates LLC [Member]
Represents LC LAW Stylianou & Associates LLC.
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
cmre_DebtInstrumentRedemptionPremiumPercentage
Debt Instrument, Redemption, Premium Percentage
The percentage of premium upon redemption of the debt instrument.
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.
Financial Instruments Disclosure [Text Block]
CURRENT LIABILITIES:
Total Assets
us-gaap_Assets
Total assets
Neptune [Member]
Represents Neptune.
cmre_NumberOfContainerVessels
Number of Container Vessels
The number of container vessels.
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]
Blue Net Chartering GmbH & Co. KG (Containerships Only) [Member]
Represents Blue Net Chartering GmbH & Co. KG (containerships only).
us-gaap_DisposalGroupIncludingDiscontinuedOperationInventory1
Inventories
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).
Costamare Shipping [Member]
Represents Costamare Shipping Company S.A. (“Costamare Shipping”).
us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents
Cash and cash equivalents
us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet
Accounts receivable, net
Refinance Term Loan for Reddick Shipping and Verandi Shipping [Member]
Represents Refinance Term Loan for Reddick Shipping and Verandi Shipping.
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.
Refinance Term Loan for Ten Companies [Member]
Represents Refinance Term Loan for Ten Companies.
us-gaap_PrepaidExpenseCurrentAndNoncurrent
Prepayments and other assets
us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders
- Dividends to non-controlling shareholders of subsidiary
Bastian Shipping Co. et al [Member]
Relating to Bastian Shipping Co. et al.
us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest
Other comprehensive loss attributable to the non-controlling interest (Notes 19 and 21)
Quentin Shipping Co. and Sander Shipping Co. 2 [Member]
Relating to the second set of loans to Quentin Shipping Co. and Sanders Shipping Co.
Costamare Bulkers Holdings Limited (CBHL) [Member]
Relating to Costamare Bulkers Holdings Limited (CBHL).
us-gaap_FiniteLivedIntangibleAssetsNet
Finite-Lived Intangible Assets, Net
Time charter assumed, non-current (Note 12)
Other Investors [Member]
Relating to other investors.
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.
cmre_TermLoanValueMaintenanceClausesForSpecificOne
Term Loan, Value Maintenance Clauses for Specific One
Represents Term Loan, Value Maintenance Clauses for Specific One.
us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Net income attributable to the non-controlling interest (Notes 14 and 16)
cmre_InvestmentOwnedBalanceAdditionalSharesAcquired
Investment Owned Balance Additional Shares Acquired (in shares)
Represents Investment Owned Balance Additional Shares Acquired.
Net loss attributable to redeemable non-controlling interest
Foreign exchange gains
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 attributable to the non-controlling interest (Notes 14 and 16)
Commitments and Contingencies Disclosure [Text Block]
Beginning Balance, Accumulated Depreciation
Ending Balance, Accumulated Depreciation
us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
us-gaap_PropertyPlantAndEquipmentNet
Total fixed assets, net
FIXED ASSETS, NET:
us-gaap_DerivativeAssets
Fair value of derivatives
Segment profit/ (loss)
us-gaap_ProfitLoss
Net income
Net income:
us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest
Total comprehensive income for the period
Cross Currency Interest Rate Contract [Member]
Net loss from discontinued operations
Net Income / (Loss) from discontinued operations (Note 3)
Net income / (loss) from discontinued operations
Net Income / (Loss) from discontinued operations (Note 3)
Less: Net (income) /loss from discontinued operations
- 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 from equity method investments
Income from equity method investments
Income from equity method investments
Net income from continuing operations
us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
Net income from continuing operations
Net income from continuing operations
us-gaap_ForeignCurrencyFairValueHedgeAssetAtFairValue
Foreign Currency Fair Value Hedge Asset at Fair Value
us-gaap_ForeignCurrencyFairValueHedgeLiabilityAtFairValue
Foreign Currency Fair Value Hedge Liability at Fair Value
Loans Payable [Member]
us-gaap_GainLossOnDerivativeInstrumentsNetPretax
(Gain) / Loss on derivative instruments, net
Major Customer E [Member]
Represents customer D, a major customer of the company.
Restricted cash – non-current portion
Restricted cash, non-current (Note 1)
General and administrative expenses
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)
Cash and cash equivalents and restricted cash
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.
cmre_VesselHeldForSale
Vessels held for sale
Related to vessels held for sale.
Voyage revenue
Total voyage revenue
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 19 and 20)
Voyage expenses
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.
Management fees-related parties
cmre_ManagementFeesRelatedParties
Management Fees Related Parties
Management fees-related parties (Note 4)
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 9)
Amortization of deferred dry-docking and special survey costs
Amortization of deferred drydocking and special survey costs.
Voyage expenses-related parties
cmre_VoyageExpensesRelatedParties
Voyage Expenses Related Parties
Voyage expenses-related parties (Note 4)
Expenses paid to related parties primarily consisting of commissions and fees, which are paid for by the company, regardless of the charter type.
General and administrative expenses – related parties
cmre_GeneralAdministrativeExpensesRelatedParties
General Administrative Expenses Related Parties
General and administrative expenses – related parties (Note 4)
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
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 21)
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 on derivative instruments, net
Gain / (loss) on derivative instruments, net (Note 19)
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
Payments to Acquire Vessels
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.
Major Customer C [Member]
Information pertaining to major customer C.
Major Customer D [Member]
Information pertaining to major customer D.
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.
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.
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
Effective portion of changes in fair value of cash flow hedges (Notes 19 and 21)
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
us-gaap_AccountsReceivableNet
Accounts Receivable, after Allowance for Credit Loss
Concentration risk percentage
Statement of Comprehensive Income [Abstract]
Entity Central Index Key
Entity Registrant Name
us-gaap_DeferredCostsCurrentAndNoncurrent
Deferred charges, net
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).
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]
Revenue from Contract with Customer Benchmark [Member]
Interest Finance Costs [Table Text Block]
Tabular disclosure of interest and debt related expenses.
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Domain]
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.
Benedict Maritime Co. [Member]
Investment in Benedict Maritime Co.
Fairbank Maritime Co. [Member]
Investment in Fairbank Maritime Co.
Beardmore Maritime Co. [Member]
Investment in Beardmore Maritime Co.
Vessels’ operating expenses
us-gaap_OperatingCostsAndExpenses
Vessels’ operating expenses
Sykes Maritime Co. [Member]
Investment in Sykes Maritime Co.
Other segment items (2)
us-gaap_OtherCostAndExpenseOperating
Related Party Transaction [Axis]
Related Party Transaction [Domain]
Non-current assets of discontinued operations (Note 3)
Total non-current assets of discontinued operations
Fixed assets of discontinued operations (Note 3)
Fixed assets of discontinued operations
NON-CURRENT ASSETS, DISCONTINUED:
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
cmre_TimeCharterArrangementsRemainingTermsPeriod
Time Charter Arrangements Remaining Terms Period (Year)
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
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 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
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 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 12)
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 9)
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.
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.
Total revenues
us-gaap_Revenues
Revenues
cmre_InvestmentAgreedAmount
Investment, Agreed Amount
Amount agreed to invest.
Discontinued Operations, Policy [Policy Text Block]
Accounts receivable, non-current (Note 4)
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.
us-gaap_AssetsCurrent
Total current assets
OTHER NON-CURRENT ASSETS:
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.
Current assets of discontinued operations (Note 3)
Total current assets of discontinued operations
Long-term Debt, Gross, Current Maturities
cmre_LongtermDebtGrossCurrentMaturities
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.
us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent
Prepayments and other assets
CURRENT ASSETS, DISCONTINUED:
Fair value of derivatives (Notes 19 and 20)
Prepayments and other assets
Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block]
Inventories (Note 7)
Inventories
Accrued charter revenue (Note 12)
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.
Other Third-party Managers [Member]
Represents other third-party managers.
us-gaap_PropertyPlantAndEquipmentAdditions
Vessel acquisitions and other vessels’ costs
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Accounts receivable, net (Note 4)
REVENUES:
Short-term investments (Note 6)
O, 2023, Q4October 15, 2023 to January 14, 2024, Dividends [Member]
Related to dividends.
Interest and finance costs
us-gaap_InterestAndDebtExpense
Interest and finance costs (Note 17)
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
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
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_OperatingIncomeLoss
Operating income
Net cash provided by / (used in) Operating Activities from discontinued operations
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.
Net cash provided by Investing Activities from discontinued operations
Net cash used in Financing Activities from discontinued operations
cmre_QuarterlyFeeToRelatedParties
Quarterly Fee to Related Parties
Quarterly fee for services provided by Costamare Shipping and/ or Costamare Services as at period end.
us-gaap_NetCashProvidedByUsedInDiscontinuedOperations
Net cash provided by / (used in) discontinued operations
Sale Leaseback Transaction, Name [Domain]
us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Net Cash used in Investing Activities from Continuing Operations
us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Net Cash used in Financing Activities from Continuing Operations
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.
Cash flows of discontinued operations:
Sale Leaseback Transaction, Description [Axis]
us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Net Cash provided by Operating Activities from Continuing Operations
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.
us-gaap_PaymentsOfDistributionsToAffiliates
Payments of Distributions to Affiliates
Cash contribution to spun-off entities
us-gaap_PaymentsOfDebtExtinguishmentCosts
Payment for Debt Extinguishment or Debt Prepayment Cost
Nonrelated Party [Member]
us-gaap_PaymentsOfDividends
Dividends paid
Leaseback Vessel, April 2024 [Member]
Represents leaseback vessel.
EXPENSES:
Scenario [Domain]
Navilands [Member]
Information pertaining to the related parties.
Leaseback Vessel, April 2024, 2 [Member]
Represents leaseback vessel.
Title and Position [Domain]
Title and Position [Axis]
Scenario [Axis]
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.
O 2024 Q3 Dividends [Member]
Information pertaining 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 / (loss):
N M L Loan 9 [Member]
Represents NML Loan 9.
N M L Loan 8 [Member]
Represents NML Loan 8.
N M L Loan 10 [Member]
Represents NML Loan 10.
us-gaap_RepaymentsOfLongTermDebt
Repayments of Long-Term Debt, Total
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
us-gaap_ProceedsFromIssuanceOfLongTermDebt
Proceeds from Issuance of Long-term Debt, Total
2029
us-gaap_ContractReceivableDueThreeToFourYears
2030
us-gaap_ContractReceivableDueFourToFiveYears
2026
us-gaap_ContractReceivableDueOneYearOrLess
2027
us-gaap_ContractReceivableDueOneToTwoYears
2028
us-gaap_ContractReceivableDueTwoToThreeYears
Statement of Financial Position [Abstract]
Weighted average number of shares, basic and diluted (Note 16) (in shares)
Weighted average number of common shares, basic and diluted (in shares)
Earnings / (losses) per common share, basic and diluted – Discontinued operations (Note 16) (in dollars per share)
Earnings/ (losses) per common share, basic and diluted, discontinued operations (in dollars per share)
Business Combination [Axis]
Earnings per common share, basic and diluted - Total (Note 16) (in dollars per share)
Earnings per common share, basic and diluted (in dollars per share)
Business Combination [Domain]
Earnings per common share, basic and diluted – Continuing operations (Note 16) (in dollars per share)
Earnings per common share, basic and diluted, continuing operations (in dollars per share)
Statement of Cash Flows [Abstract]
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_FinanceLeaseRightOfUseAssetAmortization
Finance Lease, Right-of-Use Asset, Amortization
us-gaap_ProceedsFromContributionsFromParent
Proceeds from Contributions from Parent
srt_StockRepurchaseProgramAuthorizedAmount1
Stock Repurchase Program, Authorized Amount
Cash Flows From Financing Activities of Continuing Operations:
us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
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_PaymentsToAcquireInterestInSubsidiariesAndAffiliates
Acquisition of non-controlling interest in subsidiary
Accounts Receivable, Net, Noncurrent [Member]
Related to accounts receivable, net, noncurrent.
Accounts Receivable, Net [Member]
Related to accounts receivable, net.
Capital collections from vessels’ leaseback arrangements
Class of Stock [Axis]
Class of Stock [Domain]
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Chairman and Chief Executive Officer, Konstantinos Konstantakopoulos [Member]
Related to Chairman and Chief Executive Officer, Konstantinos Konstantakopoulos.
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]
Not Designated as Hedging Instrument [Member]
cmre_UnbilledReceivablesNotBillableAmountExpectedToBeCollectedInYearOne
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 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
cmre_LiabilitiesCurrentContinuingOperations
Total current liabilities of continuing operations
The total amount of current liabilities in the continuing operations of the business.
cmre_LiabilitiesNoncurrentContinuingOperations
Total non-current liabilities of continuing operations
The total amount of noncurrent liabilities in the continuing operations of the business.
cmre_AssetsNoncurrentContinuingOperations
Total non-current assets of continuing operations
The total amount of noncurrent assets in the continuing operations of the business.
cmre_AssetsCurrentContinuingOperations
Total current assets of continuing operations
The total amount of current assets in the continuing operations of the business.
Discontinued Operations [Text Block]
Information relating to the business' discontinued operations.
Investment in leaseback vessels (Note 11(b))
cmre_NumberOfControlledCompaniesDryBulkVesselsPreviouslyOwnedOrTobesold
Number of Controlled Companies, Dry Bulk Vessels Previously Owned or To-Be-Sold
The number of controlled companies that have previously owned and sold or have agreed to sell their dry bulk vessels.
cmre_NumberOfControlledCompaniesDryBulkVesselsOwned
Number of Controlled Companies, Dry Bulk Vessels Owned
The number of controlled companies that currently own dry bulk vessels.
cmre_NumberOfControlledCompaniesDryBulkVesselsTobeacquired
Number of Controlled Companies, Dry Bulk Vessels To-Be-Acquired
The number of controlled companies which will be used for future dry bulk vessel acquisitions.
cmre_MarginDepositAssetsDiscontinuedOperation
Margin deposits
The amount of cash or securities from discontinued operations placed with a broker or counterparty as security for a trading or derivatives securities position which was partially obtained with funds provided by the broker dealer.
cmre_RestrictedCashAndRestrictedCashEquivalentDiscontinuedOperation
Restricted cash
Amount of cash and cash equivalent restricted to withdrawal or usage; attributable to discontinued operation. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.
cmre_DerivativeAssetsCurrentDiscontinuedOperation
Fair value of derivatives
Fair value, after the effects of master netting arrangements, of a financial asset or other contract with (from discontinued operations) one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.
Dry Bulk-Related Business [Member]
The dry bulk-related business.
Investment in leaseback vessels, non-current (Note 11(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.
cmre_RestrictedCashAndRestrictedCashEquivalentsNoncurrentDiscontinuedOperation
Restricted cash, non-current
Amount of cash and cash equivalent restricted as to withdrawal or usage, classified as noncurrent from discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.
cmre_DerivativeAssetsNoncurrentDiscontinuedOperation
Fair value of derivatives, non-current
Fair value, after the effects of master netting arrangements, of a financial asset or other contract (from discontinued operations) with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.
cmre_DerivativeLiabilitiesCurrentDiscontinuedOperation
Fair value of derivatives
Fair value, after the effects of master netting arrangements, of a financial liability (from discontinued operations) or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.
cmre_OperatingLeaseRightofuseAssetDiscontinuedOperation
Operating leases, right-of-use assets
Amount of lessee's right to use underlying asset under operating lease, from discontinued operations.
cmre_InsuranceSettlementsReceivableCurrentDiscontinuedOperation
Insurance claims receivable
Amount due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an insurance policy, from discontinued operations. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.
us-gaap_PaymentsToAcquireLeaseReceivables
Payments to Acquire Lease Receivables
cmre_AccountsReceivableNetNoncurrentDiscontinuedOperation
Accounts receivable, net, non-current
Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as noncurrent, from discontinued operations.
cmre_DeferredCostsDiscontinuedOperation
Deferred charges, net
Amount of deferred cost, excluding capitalized cost related to contract with customer; classified as noncurrent from discontinued operations.
cmre_CharterinHireExpensesDiscontinuedOperation
Charter-in hire expenses
Amount of expense for charter-in hire from discontinued operations.
cmre_VoyageExpensesDiscontinuedOperation
Voyage expenses
Expenses paid (from discontinued operations) 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_ManagementFeesRelatedPartiesDiscontinuedOperation
Management and agency fees-related parties
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, from discontinued operations.
Settlements of short-term investments
cmre_VoyageExpensesRelatedPartiesDiscontinuedOperation
Voyage expenses-related parties
Expenses paid to related parties primarily consisting of commissions and fees, which are paid for by the company, regardless of the charter type, from discontinued operations.
cmre_LongtermDebtNoncurrentDiscontinuedOperation
Long-term debt, net of current portion and deferred financing costs
Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent, from discontinued operations. Excludes lease obligation.
cmre_LongtermDebtCurrentDiscontinuedOperation
Current portion of long-term debt, net of deferred financing costs
Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current, from discontinued operations. Excludes lease obligation.
cmre_DerivativeLiabilitiesNoncurrentDiscontinuedOperation
Fair value of derivatives, non-current portion
Fair value, after the effects of master netting arrangements, of a financial liability or contract (from discontinued operations) with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.
cmre_OperatingLeaseLiabilityNoncurrentDiscontinuedOperation
Operating lease liabilities, non-current portion
Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent, from discontinued operations.
cmre_NonoperatingIncomeExpenseDiscontinuedOperation
Total other income / (expenses), net
The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business), from discontinued operations.
cmre_ForeignExchangeGainsLossesInOperatingIncomeLossDiscontinuedOperation
Foreign exchange gains
Represents the amount of foreign exchange gains (losses) included in operating income (loss) during the period, from discontinued operations.
cmre_OtherNonoperatingIncomeExpenseDiscontinuedOperation
Other, net
Amount of income (expense) related to nonoperating activities, classified as other, from discontinued operations.
cmre_GainLossOnInterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsDiscontinuedOperation
Gain /(loss) on derivative instruments, net
Amount of gain (loss) included in earnings for the period from the increase (decrease) in fair value of interest rate derivatives not designated as hedging instruments, from discontinued operations.
cmre_GainLossOnSaleOfVesselsDiscontinuedOperation
Gain / (loss) 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, from discontinued operations. This element refers to the gain (loss).
cmre_AmortizationDeferredDrydockingAndSpecialSurveyDiscontinuedOperation
Amortization of dry-docking and special survey costs
Amortization of deferred drydocking and special survey costs from discontinued operations.
cmre_VesselImpairmentLossDiscontinuedOperation
Vessel impairment loss
Amount of write-down of vessels recognized in the income statement, from discontinued operations.
cmre_GainLossOnAssetsHeldForSaleDiscontinuedOperation
Loss on vessel held for sale
Related to the gain (loss) on assets held for sale, from discontinued operations.
Discontinued Operations [Member]
Discontinued operations.
Continuing Operations [Member]
Continuing operations.
Loans Agreement with Beardmore Maritime Co. [Member]
The loan agreement with Beardmore Maritime Co.
Loans Agreement with Sykes Maritime Co. [Member]
The loan agreement with Sykes Maritime Co.
N M L Loan 16 [Member]
The 16th NML Loan.
Loans Agreement with Fairbanks Maritime Co. [Member]
The loan agreement with Fairbanks Maritime Co.
N M L Loan 17 [Member]
The 17th NML Loan.
Leaseback Vessel, April 2025 [Member]
Represents the leaseback vessel.
Leaseback Vessel, May 2025 [Member]
Represents the leaseback vessel.
Leaseback Vessel, April 2025 2 [Member]
Represents the leaseback vessel.
Leaseback Vessel, June 2025 5 [Member]
Represents the leaseback vessel.
Non-Cash Investing and Financing Activities:
Leaseback Vessel, June 2025 4 [Member]
Represents the leaseback vessel.
Leaseback Vessel, June 2025 7 [Member]
Represents the leaseback vessel.
Leaseback Vessel, June 2025 6 [Member]
Represents the leaseback vessel.
Leaseback Vessel, June 2025 [Member]
Represents the leaseback vessel.
Leaseback Vessel, May 2025 2 [Member]
Represents the leaseback vessel.
Leaseback Vessel, June 2025 3 [Member]
Represents the leaseback vessel.
Leaseback Vessel, June 2025 2 [Member]
Represents the leaseback vessel.
Transferred to Additional Paid-in Capital
Change in noncontrolling interest during the period as a result of transference to additional paid-in capital.
cmre_NumberOfInterestRateDerivativesTerminated
Number of Interest Rate Derivatives Terminated
Number of interest rate derivative instruments terminated by the entity at the reporting date.
O 2024 Q4 Dividends [Member]
Information by distribution of earnings to shareholder. Includes, but is not limited to, distribution paid and declared.
Leaseback Vessel, June 2025 9 [Member]
Represents the leaseback vessel.
Leaseback Vessel, June 2025 8 [Member]
Represents the leaseback vessel.
Family Member of Konstantinos Konstantakopoulos [Member]
A member of Konstantinos Konstantakopoulos' family.
cmre_AmountsPaidToThirdPartyManagers
Amounts Paid to Third Party Managers
Represents the amount paid to third party managers.
cmre_JointVentureOwnershipPercent
Joint Venture, Ownership, Percent
The percent stake each party has in the joint venture.
Supplemental Cash Information:
Note 10.B [Member]
Represents Note 10.B.
Oakland [Member]
Relating to Oakland.
FX Option, Zero Cost Collar [Member]
The FX option with a zero cost collar.
Note 10.A.2 [Member]
Represents Note 10.A.2.
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
Cross-Currency Swap [Member]
A cross-currency swap.
Barkley and Conley Shipping Cos. and Bertrand and Schofield Maritime Cos. [Member]
The loan entered into by Barkley and Conley Shipping Cos. and the Bertrand and Schofield Maritime Cos.
cmre_AmountsReclassifiedFromNetSettlementsOnInterestRateSwapsQualifyingForHedgeAccountingToDepreciationAttributableToNoncontrollingInterest
Amounts Reclassified from Net Settlements on interest Rate Swaps, Qualifying for Hedge Accounting to Depreciation, Attributable to Noncontrolling Interest
This element represents the amounts reclassified from Net settlements on interest rate swaps qualifying for hedge accounting to Depreciation, attributable to noncontrolling interest.
Walston, Lockton, Glasserton, and Stewarton Shipping Cos. [Member]
Represents the Walston, Lockton, Glasserton, and Stewarton Shipping Cos.
Company Owning Arkadia [Member]
Relating to the company owning Arkadia.
Leaseback Vessel, July 2025 5 [Member]
Represents the leaseback vessel.
Leaseback Vessel, July 2025 2 [Member]
Represents the leaseback vessel.
Finite-Lived Intangible Assets by Major Class [Axis]
Leaseback Vessel, July 2025 [Member]
Represents the leaseback vessel.
Finite-Lived Intangible Assets, Major Class Name [Domain]
Leaseback Vessel, July 2025 4 [Member]
Represents the leaseback vessel.
Leaseback Vessel, July 2025 3 [Member]
Represents the leaseback vessel.
Kalamata Shipping Corporation et al [Member]
Relating to Kalamata Shipping Corporation et al.
cmre_OtherComprehensiveIncomeLossDerivativeEffectivePortionOfChangesInFairValueNet
Other Comprehensive Income (Loss), Derivative, Effective Portion of Changes in Fair Value, Net
The effective portion of changes in the fair value of cash flow hedges.
CMRE Inc. [Member]
Relating to CMRE Inc.
us-gaap_PreferredStockDividendsIncomeStatementImpact
Earnings allocated to Preferred Stock (Note 16)
Less: paid and accrued earnings allocated to Preferred Stock
us-gaap_RedeemablePreferredStockDividends
Redeemable Preferred Stock Dividends
Deemed dividend to Series E Preferred Stock
Less: deemed dividend in redemption of Series E Preferred Stock
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 11(c))
Foreign Exchange Forward and FX Option, Zero Cost Collar [Member]
The foreign exchange forwards and the zero cost collar FX option.
cmre_AdjustmentsToAdditionalPaidinCapitalChangeInNoncontrollingInterest
- Change in non-controling interest of the subsidiary (Note 14)
The change in noncontrolling interest as it relates to adjustments of additional paid-in capital.
Unsecured Debt [Member]
cmre_AdjustmentsToAdditionalPaidInCapitalDistributionsToShareholders
- Distribution to shareholders (Note 1)
The increase (decrease) to additional paid-in capital from issuances to shareholders.
Long-Term Debt, Type [Axis]
Long-Term Debt, Type [Domain]
Net investment in sales type lease vessels, non-current (Note 11(c))
Capital Addition Purchase Commitments [Member]
cmre_VesselsUnderTimeCharter
Vessels Under Time Charter
The number of vessels under time charter.
Cash Flows From Investing Activities of Continuing Operations:
Financing Arrangements [Member]
Related to financing arrangements.
us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest
Add: Net loss attributable to non-controlling interest in subsidiaries, discontinued operations
Earnings Per Share [Text Block]
Other liabilities
us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity
Less: Net income attributable to non-controlling interest in subsidiaries, continuing operations
Capetanissa Maritime Corporation et al. [Member]
Related to debt.
Achilleas Maritime Corporation et al. [Member]
Related to debt.
Debt Issuance Costs, Gross
us-gaap_DeferredFinanceCostsGross
Related Party Transactions Disclosure [Text Block]
us-gaap_IncreaseDecreaseInAccruedLiabilities
Accrued liabilities
cmre_TimeCharterDuration
Time Charter Duration (Year)
The duration of a time charter.
us-gaap_IncreaseDecreaseInAccountsPayable
Accounts payable
N M L Loan 13 [Member]
Represents information pertaining to NML Loan 13.
N M L Loan 12 [Member]
Represents NML Loan 12.
N M L Loan 15 [Member]
Represents information pertaining to NML loan 15.
NML Loan 14 [Member]
Represents information pertaining to NML Loan 14.
Loan Agreements 1 NML Subsidiary [Member]
Represents loan agreement with subsidiary.
O, 2025, Q1 Dividends [Member]
Information pertaining to dividends.
us-gaap_IncreaseDecreaseInDueToRelatedParties
Due to related parties
Loans Agreements, One NML Subsidiary 6 [Member]
Represents loans agreements with 1 NML subsidiary.
Loans Agreements, One NML Subsidiary 5 [Member]
Represents loans agreements with 1 NML subsidiary.
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
Leaseback Vessel, November 2024 [Member]
Represents leaseback vessels.
us-gaap_TreasuryStockSharesAcquired
Treasury Stock, Shares, Acquired (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)
Leaseback Vessel, October 2024 [Member]
Represents leaseback vessels.
us-gaap_PreferredStockSharesOutstanding
Preferred Stock, Shares Outstanding (in shares)
Leaseback Vessel, August 2024 [Member]
Represents leaseback vessels.
us-gaap_DebtInstrumentInterestRateDuringPeriod
Debt Instrument, Interest Rate During Period
JERSEY
us-gaap_DebtInstrumentInterestRateStatedPercentage
Debt Instrument, Interest Rate, Stated Percentage
us-gaap_DebtInstrumentFairValue
Debt Instrument, Fair Value Disclosure
us-gaap_IncreaseDecreaseInPrepaidExpense
Prepayments and other
Lease receivable
us-gaap_SalesTypeLeaseNetInvestmentInLease
us-gaap_DebtInstrumentFaceAmount
Debt Instrument, Face Amount
us-gaap_DividendsCommonStockCash
Dividends, Common Stock, Cash
us-gaap_DividendsPreferredStockCash
Dividends, Preferred Stock, Cash
- Dividends – Preferred stock (Note 15)
LIBERIA
us-gaap_DividendsPreferredStock
Dividends, Preferred Stock
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
us-gaap_DividendsCommonStock
- Dividends – Common stock (Note 15)
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_IncreaseDecreaseInDueFromRelatedParties
Due from related parties
us-gaap_TreasuryStockValue
Treasury stock (Note 15)
us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears
2028
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 4 and 16) (in shares)
Stock Issued During Period, Shares, New Issues (in shares)
Asset Management Arrangement [Member]
us-gaap_LiabilitiesAndStockholdersEquity
Total liabilities and stockholders’ equity
- Issuance of common stock (Notes 4 and 16)
us-gaap_LessorDirectFinancingLeaseTermOfContract1
Lessor, Direct Financing Lease, Term of Contract (Year)
cmre_NumberOfControlledCompanies
Number of Controlled Companies
Information pertaining to the number of controlled entities.
Retained earnings
Accumulated other comprehensive income (Notes 19 and 20)
Changes in operating assets and liabilities of continuing operations:
Costamare Shareholders [Member]
Relating to Costamare Shareholders.
us-gaap_OperatingLeaseLiability
Operating lease liabilities
O, 2025, Q1, January 15, 2025 to April 14, 2025 Dividends [Member]
Relating to dividends from January 15, 2025 to April 14, 2025.
Finance lease liability (Note 11(a))
O, 2024, Q4 October 15, 2024 to January 14, 2025, Dividends [Member]
Relating to ordinary dividends from October 15, 2024 to January 14, 2025.
Due from related parties, non-current (Note 4)
Operating leases, right-of-use assets
us-gaap_FinanceLeaseLiability
Finance Lease, Liability
Company Incorporated Under Laws of Jersey [Member]
Represents company incorporated under the laws of Jersey.
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 11(a))
us-gaap_UnrealizedGainLossOnInvestments
Increase in short-term investments
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.
cmre_FeePercentageOnContributedCapitalInvested
Fee Percentage on Contributed Capital Invested
Percentage of fee on contributed capital invested.
Codrus [Member]
Represents Codrus.
Financial And Strategic Advice [Member]
Represents financial and strategic advice.
Equity based payments
us-gaap_AmortizationOfFinancingCostsAndDiscounts
Amortization and write-off of financing costs
Lessee and Lessor, Finance Leases [Text Block]
The entire disclosure for finance leases of lessee and lessor.
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_ConversionOfStockSharesIssued1
Conversion of Stock, Shares Issued (in shares)
us-gaap_DepreciationDepletionAndAmortization
Depreciation (Notes 8, 11 and 21)
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.
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.
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
cmre_NumberOfVesselsOrdered
Number of Vessels Ordered
The number of vessels ordered during the period.
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.
cmre_NumberOfUnencumberedVessels
Number of Unencumbered Vessels
The number of unencumbered vessels.
cmre_DeferredFinanceCostsAmortizationAndWriteoff
Amortization and write-off
The amount of amortization and write-offs related to deferred finance costs.
us-gaap_TreasuryStockCommonShares
Balance (in shares)
Balance (in shares)
us-gaap_AssetsNet
Net Assets
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.
us-gaap_AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment
Total non-current assets
Common stock (Note 15)
Adjustments to reconcile net income from Continuing operations 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_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]
Statistical Measurement [Axis]
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 15)
Cash paid during the period for interest
Geographical [Axis]
Geographical [Domain]
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.
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]
Fair Value Hierarchy and NAV [Axis]
Bank charges and other financing costs
The amount of bank charges and other financing costs.
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.
Kemp Maritime Co. Loan Agreement [Member]
Represents the Kemp Maritime Co. loan agreement.
The Bond [Member]
Represents the Bond.
cmre_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFiveAndThereafter
2031 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
Cash Flows From Operating Activities of Continuing Operations:
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.
2031 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).
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:
us-gaap_MarginDepositAssets
Margin deposits
Temporary equity – Redeemable non-controlling interest in subsidiary – (Note 14)
Balance, December 31, 2024
Balance, June 30, 2025
us-gaap_Liabilities
Total liabilities
COMMITMENTS AND CONTINGENCIES (Note 13)
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.
us-gaap_DerivativeLiabilities
Fair value of derivatives
Consolidation Items [Axis]
Consolidated Entities [Axis]
Consolidated Entities [Domain]
us-gaap_AccountsPayableCurrentAndNoncurrent
Accounts payable
us-gaap_AccruedLiabilitiesCurrentAndNoncurrent
Accrued liabilities
Noncontrolling Interest [Member]
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
Long-Term Debt
us-gaap_LongTermDebt
Unearned revenue (Note 12)
Less current portion
Unearned revenue, net of current portion (Note 12)
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, net (Note 8)
Vessels and advances, net
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 12)
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
Unearned revenue
Debt Issuance Costs, Current, Net
us-gaap_DeferredFinanceCostsCurrentNet
Venetiko [Member]
Related to Venetiko.
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
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_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Subsidiary, Ownership Percentage, Noncontrolling Owner
us-gaap_DerivativeFairValueOfDerivativeAssetAmountNotOffsetAgainstCollateral
Total
Segments [Axis]
Segments [Domain]
us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayable
Operating lease liabilities, current portion
Redeemable Noncontrolling Interest [Table Text Block]
us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentLiabilities
Other current liabilities
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.
NON-CURRENT LIABILITIES, DISCONTINUED:
us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent
Unearned revenue
us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent
Accounts payable
us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent
Accrued liabilities
Statement [Table]
us-gaap_MinorityInterestOwnershipPercentageByParent
Subsidiary, Ownership Percentage, Parent
CURRENT LIABILITIES, DISCONTINUED:
us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestIncome
Interest income
Noncontrolling Interest Disclosure [Text Block]
us-gaap_DisposalGroupIncludingDiscontinuedOperationInterestExpense
Interest and finance costs
us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense
Vessels’ operating expenses
us-gaap_DisposalGroupIncludingDiscontinuedOperationDepreciationAndAmortization
Depreciation
us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense
General and administrative expenses
us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss
Operating loss
us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue
Voyage revenue
us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet
Derivative Assets (Liabilities), at Fair Value, Net
Income Statement [Abstract]
us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
Other comprehensive income / (loss) attributable to Costamare Inc.
Disposal Groups, Including Discontinued Operations [Table Text Block]
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
2028
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
2029
Disposal Group Name [Axis]
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
2030
Disposal Group Name [Domain]
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
2026
us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
2027
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
us-gaap_LiabilitiesNoncurrent
Total non-current liabilities
Non-current liabilities of discontinued operations (Note 3)
Total non-current liabilities of discontinued operations
Other non-current liabilities
N M L Loan 2 [Member]
Represents NML Loan 2.
Fair value
us-gaap_DerivativeFairValueOfDerivativeNet
Derivative, Fair Value, Net
N M L Loan 3 [Member]
Represents NML Loan 3.
Fair value of derivatives, non-current portion (Notes 19 and 20)
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.
cmre_UnbilledReceivablesNotBillableAmountExpectedToBeCollectedInYearFive
2030
Amount of receivables under long-term contracts that have not been billed and were not billable that are expected to be collected in the fifith 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.
cmre_UnbilledReceivablesNotBillableAmountExpectedToBeCollectedInYearFour
2029
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.
Foreign Exchange Forward [Member]
us-gaap_StockholdersEquity
Total Costamare Inc. stockholders’ equity
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 17, 19 and 21)
Reclassification of amount excluded from the interest rate caps assessment of hedge effectiveness based on an amortization approach to Interest and finance costs
Long-Term Debt, Excluding Current Maturities
Long-term debt, net of current portion and deferred financing costs (Note 10)
Long-term debt, net of deferred financing costs
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 19 and 21)
Interest Rate Swap [Member]
Operating Segments [Member]
Fixed rate
us-gaap_DerivativeFixedInterestRate
Leaseback Vessel, July 2023, 3 [Member]
Represents leaseback vessel.
Foreign Exchange Option [Member]
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