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attributable to common shareholders, basic (in dollars per share) Earnings Per Share, Basic Cash and cash equivalents Cash and Cash Equivalent Cash and Cash Equivalents and Restricted Cash [Abstract] Cash and Cash Equivalent [Abstract] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Interest Interest Paid, Excluding Capitalized Interest, Operating Activity Accounts receivable trade, net Increase (Decrease) in Accounts Receivable Deferred charges, non-current Increase (Decrease) in Deferred Charges Intangible assets, current Increase (Decrease) in Intangible Assets, Current Inventories Increase (Decrease) in Inventories Prepaid expenses Increase (Decrease) in Prepaid Expense Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Trade accounts and other payables Increase (Decrease) in Accounts Payable Accrued liabilities Increase (Decrease) in Accrued Liabilities Due (to) / from related parties Increase (Decrease) in Due from Related Parties Commissions Commissions, Policy [Policy Text Block] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Common stock, shares authorized (in shares) Common stock, shares issued (in shares) Common Stock, Shares, Issued Common stock, shares outstanding (in shares) Common stock, $0.0001 par value; 500,000,000 authorized shares as at December 31, 2025 and 2024; 21,114,098 and 20,374,165 shares issued and outstanding as at December 31, 2025 and 2024, respectively Equity Incentive Plan [Abstract] Share-Based Payment Arrangement, Recognized Amount [Abstract] Concentration Risk Type [Axis] Concentration Risk [Line Items] Concentration Risk [Table] Concentration Risk Type [Domain] Convertible Notes [Member] Convertible Debt [Member] 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Inventory, Net Inventories [Abstract] Inventory, Net [Abstract] Inventories Inventory, Policy [Policy Text Block] Term Deposits Investment, Policy [Policy Text Block] Total liabilities Liabilities TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Less - current portion Long-Term Debt, Current Maturities Long-term portion Long-Term Debt, Excluding Current Maturities Total debt net of deferred finance costs and debt discounts Long-Term Debt Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Related and Nonrelated Parties [Axis] Net cash (used in) / provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Net cash (used in) / provided by investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Cash flows from investing activities: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Net cash provided by operating activities Cash flow from operations Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Net income Net income Net income attributable to common shareholders, basic Net Income (Loss) Available to Common Stockholders, Basic Total other expenses, net Nonoperating Income (Expense) Interest and Finance Costs [Abstract] Non-current liabilities: Liabilities, Noncurrent [Abstract] Note receivable Operating income Operating Income (Loss) Revenue, net Revenues Vessel Revenue and Voyage Expenses [Abstract] Revenues [Abstract] Loan to related party Origination of Notes Receivable from Related Parties Other current assets Proceeds from other non-current liabilities Proceeds from (Payment for) Other Financing Activity Dividend payments Dividends paid Payments of Ordinary Dividends, Common Stock Common Stock [Abstract] Payments of Dividends [Abstract] Preferred stock, shares authorized (in shares) Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Preferred stock, shares outstanding (in shares) Preferred stock, shares outstanding (in shares) Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Prepaid expenses Prepaid Expense, Current Prepayment of rent Proceeds from sale of vessels/assets held for sale Down payment received for sale of vessel Proceeds from Sale of Property, Plant, and Equipment Proceeds from long-term debt and other financial liabilities Proceeds from drawdown Ending balance Beginning balance Property, Plant and Equipment, Gross Net book value Property, Plant and Equipment, Net Vessels, Net [Abstract] Vessels Property, Plant and Equipment, Policy [Policy Text Block] European Union's Emissions Trading System Purchase of other 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Sale of Stock [Domain] Inventories Inventory Disclosure [Text Block] Vessels, Net Property, Plant and Equipment [Table Text Block] Current portion of long-term debt and other financial liabilities, net of deferred finance costs and debt discounts of $1,963 and $1,627, respectively Secured Debt, Current Long-term debt and other financial liabilities, net of current portion and deferred finance costs and debt discounts of $1,835 and $2,237, respectively Series B Preferred Stock [Member] Series B [Member] Series B Preferred Shares [Member] Series A Participating Preferred Share [Member] Equity Incentive Plan [Abstract] Share-Based Payment Arrangement, Disclosure [Abstract] Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Shares granted (in shares) Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period 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Award [Line Items] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Consolidated Statements of Cash Flows [Abstract] Consolidated Statements of Stockholders' Equity [Abstract] Stock-based Compensation Share-Based Payment Arrangement [Policy Text Block] Offering expenses Payments of Stock Issuance Costs STOCKHOLDERS' EQUITY Equity, Attributable to Parent [Abstract] Capital Structure [Abstract] Number of warrants outstanding (in shares) Outstanding warrants (in shares) Capital Structure Equity [Text Block] Subsequent Event Type [Axis] Subsequent Event [Line Items] Subsequent Event [Table] Subsequent Event Type [Domain] Sale of Stock [Axis] Subsidiary, Sale of Stock [Line Items] SUPPLEMENTAL CASH FLOW INFORMATION Supplemental Cash Flow Information [Abstract] Total current assets Assets, Current Current assets: Insurance Claims Unpaid Policy Claims and Claims Adjustment Expense, Policy [Policy Text Block] Inventory [Domain] Inventory [Axis] Out-of-the-Money Warrants [Member] Weighted average common shares outstanding, diluted (in shares) Weighted average common shares outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Weighted average common shares outstanding, basic (in shares) Weighted average common shares outstanding, basic (in shares) Restricted cash, non-current Common Stock [Member] Vessels, Net Property, Plant and Equipment Disclosure [Text Block] Long-Lived Tangible Asset [Domain] Additions Addition to vessels, net Property, Plant and Equipment, Additions Disposals Property, Plant and Equipment, Disposals Fixed assets: Commitments under Shipbuilding Contracts [Abstract] Vessels, Net [Abstract] Preferred Stock [Member] TOTAL ASSETS Assets Other current liabilities Other liabilities, non-current Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Equity Incentive Plan Share-Based Payment Arrangement [Text Block] Cost [Abstract] Movement in Property, Plant and Equipment [Roll Forward] Accumulated Depreciation [Abstract] Movement in Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment [Roll Forward] Plan [Member] Statement [Table] Antidilutive Securities, Name [Domain] ASSETS Assets [Abstract] Statement [Line Items] Class of Warrant or Right [Table] Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Subsidiary or Equity Method Investee, Sale of Stock, Type [Table] Class of Warrant or Right [Line Items] Class of Stock [Domain] Warrants [Abstract] Warrants and Rights Note Disclosure [Abstract] Increase (Decrease) in Stockholders' Equity [Roll Forward] Redemption of fractional shares due to reverse stock split Adjustments to Additional Paid in Capital, Stock Split Other non-current assets Earnings per Share [Abstract] Earnings Per Share Reconciliation [Abstract] Antidilutive securities excluded from computation of earnings per share (in shares) Antidilutive Securities Excluded from Computation 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Preferred stock, $0.0001 par value; 25,000,000 shares authorized; 20,000 and 20,000 shares issued and outstanding as at December 31, 2025 and 2024, respectively Preferred stock value Preferred Stock [Abstract] Preferred Stock, Number of Shares, Par Value and Other Disclosure [Abstract] Dividends paid (in dollars per share) Dividend paid per share (in dollars per share) Equity Components [Axis] Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Accumulated Deficit [Member] Retained Earnings [Member] Equity Component [Domain] Vessels acquisitions and improvements Capital Expenditures Incurred but Not yet Paid Long-Term Debt and Other Financial Liabilities Long-Term Debt [Text Block] Issuance of common stock (including the exercise of warrants) (Note 11) Stock Issued During Period, Value, New Issues Share buyback Repurchase of common stock Stock Repurchased and Retired During Period, Value Issuance of common stock (including the exercise of warrants) (Note 11) (in shares) Shares issued (in shares) Stock based compensation (Note 15) (in shares) Redemption of fractional shares due to reverse stock split (in shares) Stock Issued During Period, Shares, Reverse Stock Splits Share buyback (in shares) Repurchase of common stock (in shares) Stock Repurchased and Retired During Period, Shares Share and Warrant Repurchases Stockholders' Equity, Policy [Policy Text Block] Commitments and Contingencies Commitments and Contingencies, Policy [Policy Text Block] Net income attributable to common shareholders, diluted Net Income (Loss) Available to Common Stockholders, Diluted Payments of financing and stock issuance costs Payment of Financing and Stock Issuance Costs Dividend payable, date of record Expenses: Costs and Expenses [Abstract] Number of Shares [Roll Forward] Effect of Dilutive Securities [Abstract] Earnings per Share Non-vested participating shares (in shares) Class of Stock [Line Items] Stock, Class of Stock [Table] Finance Lease, Right-of-use Assets and Finance Lease Liabilities [Abstract] Commitments and contingencies Dividends Dividends declared Dividends, Common Stock, Cash Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Senior Long-Term Debt [Abstract] Long-Term Debt and Other Financial Liabilities [Abstract] Secured Debt [Abstract] Long-term Debt, Type [Axis] Basis of Presentation and General Information Nature of Operations [Text Block] Dividends declared but not paid (Note 11) Dividends payable Trade accounts and other payables Accounts Payable, Current Accrued liabilities Accrued Liabilities, Current Long-term Debt, Type [Domain] Stock based compensation (Note 15) Other non-current assets: Deferred charges and other investments, non-current Gross proceeds from exercise of warrants Proceeds from Warrant Exercises Significant Accounting Policies Other income / (expenses), net: Cash and Cash Equivalents and Restricted Cash [Abstract] Basis of Presentation and General Information [Abstract] Balance (in shares) Balance (in shares) Shares, Outstanding Revenue from Charterers Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] Annual Principal Payments Schedule of Maturities of Long-Term Debt [Table Text Block] Cash and Cash Equivalents and Restricted Cash Schedule of Cash and Cash Equivalents [Table Text Block] Commitments and Contingencies [Abstract] Financial Instruments [Abstract] Subsequent Events Inventories [Abstract] Other fixed assets, net Property, Plant and Equipment, Other, Net Financial Instruments Financial Instruments Disclosure [Text Block] Restricted Shares Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Equity Incentive Plan [Abstract] Use of Estimates Segment Reporting Segment Reporting, Policy [Policy Text Block] Long-Term Debt and Other Financial Liabilities Schedule of Debt [Table Text Block] Significant Accounting Policies [Abstract] Transactions with Related Parties [Abstract] Subsequent Events [Abstract] Accounting Standards Update [Domain] Due from related parties Due from related parties Cash paid during the period for: Dividend payable, date to be paid Other current assets Increase (Decrease) in Other Current Assets Other non-current assets Increase (Decrease) in Other Noncurrent Assets Other liabilities, non-current Increase (Decrease) in Other Noncurrent Liabilities Noncash Investing and Financing Items [Abstract] Net Income per Common Share Accounting Standards Update [Axis] Weighted Average Grant Date Price [Roll Forward] Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Unrecognized Cost for Non-vested Shares [Abstract] Statement of Financial Position Location, Balance [Axis] 2027 Contractual Obligation, to be Paid, Year Two 2028 Contractual Obligation, to be Paid, Year Three Total Contractual Obligation Dividends [Axis] Dividends [Domain] Plan Name [Axis] Plan Name [Domain] Award Type [Axis] Cash and Cash Equivalent [Table] Cash and Cash Equivalents [Line Items] Subsequent Event [Member] Subsequent Event [Member] Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Domain] Vessel Depreciation Depreciation, Depletion, and Amortization [Policy Text Block] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Concentration of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Estimated useful life Property, Plant and Equipment, Useful Life Annual Principal Payments [Abstract] Twelve-month periods ending December 31, 2026 Long-Term Debt, Maturities, Repayments of Principal in Next Rolling 12 Months Twelve-month periods ending December 31, 2027 Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Two Twelve-month periods ending December 31, 2028 Twelve-month periods ending December 31, 2029 Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Four Contractual Annual Payments [Abstract] Recognition period for unrecognized cost for non-vested shares Number of operating segments Number of reportable segments Other Current Assets [Member] Other Current Assets [Member] Purchase obligation Purchase Obligation Exchange rate 2026 Contractual Obligation, to be Paid, Year One Concentration risk percentage Concentration Risk, Percentage Reverse stock split ratio Statement of Financial Position Location, Balance [Domain] Margin on variable rate Margin on variable rate Accrued Liabilities [Member] Accounts Payable and Accrued Liabilities [Member] Other Current Liabilities [Member] Other Liabilities, Non-current [Member] Revenues [Member] Number of shares called by each warrant/Right held (in shares) Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Domain] Adjustment to interest rate Debt Instrument, Interest Rate, Increase (Decrease) Term of loan Principal repayment term Award Date [Axis] Award Date [Domain] Inventory, Current [Table] Inventory [Line Items] Related Party Transaction [Axis] Related Party Transaction [Domain] Variable Rate [Axis] Variable Rate [Domain] Final balloon payment Balloon payment Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid Less: Undistributed earnings to non-vested participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Basic Undistributed earnings to non-vested participating securities Undistributed Earnings (Loss) Allocated to Participating Securities, Diluted Exercise price of Rights (in dollars per share) Class of Warrant or Right, Exercise Price of Warrants or Rights Disposals Less: Deferred finance costs and debt discounts Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Vessel Revenue and Voyage Expenses [Abstract] Disaggregation of Revenue [Abstract] Revenue from Spot Charters and Time Charters Disaggregation of Revenue [Table] Disaggregation of Revenue [Line Items] Amortization of contract costs Finance Lease, Right-of-use Assets and Finance Lease Liabilities [Abstract] Lessee Disclosure [Abstract] Right-of-use asset Finance Lease, Right-of-Use Asset, after Accumulated Amortization Operating lease, right-of-use asset Operating Lease, Right-of-Use Asset Office Rental Obligations [Abstract] Incremental borrowing rate Lessee, Finance Lease, Discount Rate Lessee, Lease, Description [Table] Lessee, Lease, Description [Line Items] Lease Payments - Office Space [Abstract] Lessee, Operating Lease, Description [Abstract] Voyage Revenue [Abstract] Net increase / (decrease) in cash and cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Cash and cash equivalents and restricted cash at beginning of period Cash and cash equivalents and restricted cash Cash and cash equivalents and restricted cash at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Lessor, Lease, Description [Table] Lessor, Lease, Description [Line Items] Payments of finance lease liabilities Finance Lease, Principal Payments Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Total Lessee, Operating Lease, Liability, to be Paid 2026 2028 2027 Office Rental Obligations Rent expense Operating Lease, Expense Vessel revenue, net Vessel revenues, net of commissions 2026 Lessor, Operating Lease, Payment to be Received, Year One Total Lessor, Operating Lease, Payment to be Received 2027 Lessor, Operating Lease, Payment to be Received, Year Two Future Minimum Contractual Charter Revenue Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block] Amortization of right-of use asset Finance lease liability, current Finance Lease, Liability, Current Impairment charge Interest expense on finance lease liability Interest on finance lease liability Finance Lease, Interest Expense Present value of operating lease liability Operating Lease, Liability Operating lease liability, current Operating lease liability, current Operating Lease, Liability, Current Less: discount based on incremental borrowing rate Lessee, Operating Lease, Liability, Undiscounted Excess Amount Operating lease liability, non-current Operating lease liability, non-current Operating Lease, Liability, Noncurrent Future Minimum Contractual Charter Revenue [Abstract] Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Finance Lease, Right-of-use Assets and Finance Lease Liabilities Leases Lessee, Leases [Policy Text Block] Term of bareboat charter agreement Lessee, Finance Lease, Term of Contract Lease term of new office spaces Lessee, Operating Lease, Term of Contract Renewal term of new office spaces Term of time charter agreements Lessor, Operating Lease, Term of Contract Term of bareboat charter agreement Lessor, Sales-type Lease, Term of Contract Investment in equity securities Equity Securities without Readily Determinable Fair Value [Policy Text Block] Investment in equity securities Equity Securities without Readily Determinable Fair Value, Amount Deferred revenue Increase (Decrease) in Contract with Customer, Liability Grantee Status [Axis] Grantee Status [Domain] Board of Directors and Certain Employees [Member] Share-Based Payment Arrangement, Employee [Member] Non-Employee [Member] Share-Based Payment Arrangement, Nonemployee [Member] Fees from related parties Revenue Not from Contract with Customer Deferred revenue Deferred revenue, current Deferred revenue, non-current Total fixed assets Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization ASU 2020-06 [Member] Accounting Standards Update 2020-06 [Member] Term of charter contract Sale Leaseback Transaction, Lease Term Related Party [Member] Nonrelated Party [Member] Revenue, Related Party, Type [Extensible Enumeration] SOFR [Member] Secured Overnight Financing Rate (SOFR) [Member] Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Interest and finance costs Total Interest Expense, Nonoperating Cover [Abstract] Document Type Document Annual Report Document Transition Report Document Shell Company Report Document Financial Statement Error Correction [Flag] Entity Interactive Data Current Document Registration Statement Document Accounting Standard Amendment Flag ICFR Auditor Attestation Flag Document Fiscal Year Focus Document Fiscal Period Focus Document Period End Date Entity Registrant Name Entity Central Index Key Entity File Number Entity Incorporation, State or Country Code Country of incorporation Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Shell Company Entity Filer Category Entity Emerging Growth Company Entity Addresses, Address Type [Axis] Address Type [Domain] Business Contact [Member] Contact Personnel Name Contact Personnel Fax Number Entity Address, Address Line One Entity Address, City or Town Entity Address, Country Entity Address, Postal Zip Code Country Region City Area Code Local Phone Number Entity Listings [Table] Entity Listings [Line Items] Title of 12(b) Security No Trading Symbol Flag Trading Symbol Security Exchange Name Entity Common Stock, Shares Outstanding Auditor Name Auditor Firm ID Auditor Location External customer with whom the Company does business. Customer E [Member] Customer E [Member] External customer with whom the Company does business. Customer B [Member] Customer B [Member] External customer with whom the Company does business. Customer D [Member] Customer D [Member] External customer with whom the Company does business. Customer C [Member] Customer C [Member] External customer with whom the Company does business. Customer A [Member] Customer A [Member] External customer with whom the Company does business that account for more than 10% of revenues. Customers Accounting for More than 10 Percent of Revenues [Member] Customers Accounting for More than 10% of Revenues [Member] A spot charter is a contract to carry specific cargo from a load port to a discharge port at a per-day rate or a per-ton carry amount, depending on the agreement. Spot Charter [Member] Spot Charter [Member] A time charter is a contract to charter a vessel for a fixed period at a set daily rate. Time Charter [Member] Time Charter [Member] Expense for bonus payments made to the charterer by the vessel owner when loading or discharging time is faster than the stipulated time in the voyage charter agreement. Despatch Expense Despatch expense Income from penalty fees paid by the charterer to the vessel owner when loading or discharging time exceeds the stipulated time in the voyage charter agreement. Demurrage Income Demurrage income Term of charterparties used as security for loan facility, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Term of charterparties used as security for loan facility Term of charterparties used as security for loan facility Facility agreement entered into on December 15, 2022 with Alpha Bank S.A. for a $16,500 term loan. December 2022 Alpha Bank Loan Facility [Member] December 2022 Alpha Bank Loan Facility [Member] Sale and leaseback agreement with an affiliate of China Huarong Shipping Financial Leasing Company Ltd. (Huarong) to refinance the Tranche B of the August 2021 Alpha Bank Loan Facility, secured by the Friendship. Friendship Huarong Sale and Leaseback Agreement [Member] Huarong Friendship Sale and Leaseback [Member] Sale and leaseback agreement with Hinode Kaiun Co., Ltd and Sunmarine Maritime S.A. (collectively, "Hinode") for the purpose of financing part of the acquisition cost of the Kaizenship. Hinode Sale and Leaseback [Member] Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fourth rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Long-term Debt, Maturities, Repayments of Principal in Rolling after Year Four Thereafter The required security cover threshold (expressed as a percentage) until the second anniversary of the facility's utilization date as defined in the loan facility agreement. Debt Instrument, Security Cover Ratio Until Second Anniversary of Facility's Utilization Date Security cover ratio until second anniversary of facility's utilization date The minimum threshold value maintenance ratio (expressed as a percentage) as defined in the additional clauses of the bareboat charter to be maintained by the Company. Value Maintenance Ratio to be Maintained Minimum value maintenance ratio to be maintained Sale and leaseback agreement with Evahline Inc. in order to refinance the Hanchen Sale and Leaseback. Evahline Sale and Leaseback [Member] Evahline Sale and Leaseback [Member] The third tranche (Tranche C) of a term loan agreement dated December 12, 2025 with Danish Ship Finance A/S ("DSF") secured by the Championship. December 2025 Danish Ship Finance Loan Facility, Tranche C [Member] Tranche C [Member] The corporate leverage ratio threshold (expressed as a percentage) as defined in the loan facility. Corporate Leverage Ratio Threshold Corporate leverage ratio The minimum required security cover ratio (expressed as a percentage) as defined in the loan facility agreement. Debt Instrument, Minimum Security Cover Ratio, Condition Two Minimum security cover ratio if leverage ratio is more than 65% The required security cover threshold (expressed as a percentage) after the second anniversary of the facility's utilization date until maturity as defined in the loan facility agreement. Debt Instrument, Security Cover Ratio After Second Anniversary of Facility's Utilization Date Until Maturity Security cover ratio after second anniversary of facility's utilization date until maturity Minimum liquidity to be maintained in earnings account The minimum required security cover ratio (expressed as a percentage) as defined in the loan facility agreement. Debt Instrument, Minimum Security Cover Ratio, Condition One Minimum security cover ratio if leverage ratio is less than or equal to 65% The fifth tranche (Tranche E) of a term loan agreement dated December 12, 2025 with Danish Ship Finance A/S ("DSF") secured by the Fellowship, Premiership and Championship. December 2025 Danish Ship Finance Loan Facility, Tranche E [Member] Tranche E [Member] The fourth tranche (Tranche D) of a term loan agreement dated December 12, 2025 with Danish Ship Finance A/S ("DSF") secured by the Flagship. December 2025 Danish Ship Finance Loan Facility, Tranche D [Member] Tranche D [Member] The first tranche (Tranche A) of a term loan agreement dated December 12, 2025 with Danish Ship Finance A/S ("DSF") secured by the Fellowship. December 2025 Danish Ship Finance Loan Facility, Tranche A [Member] Tranche A [Member] The second tranche (Tranche B) of a term loan agreement dated December 12, 2025 with Danish Ship Finance A/S ("DSF") secured by the Premiership. December 2025 Danish Ship Finance Loan Facility, Tranche B [Member] Tranche B [Member] Name of the share December 2023 repurchase plan of the entity. December 2023 Repurchase Plan [Member] December 2023 Repurchase Plan [Member] Name of the share June 2022 repurchase plan of the entity. June 2022 Repurchase Plan [Member] June 2022 Repurchase Plan [Member] Average cost of shares repurchased and retired during the period. Stock Repurchased and Retired During Period, Average Cost Per Share Average price of repurchased shares (in dollars per share) An "at-the-market" offering is an offering of securities into an existing trading market for outstanding shares of the same class at other than a fixed price on, or through the facilities of, a national securities exchange, or to or through a market maker otherwise than on an exchange. At-the-market Offering [Member] At-the-Market Offering Program [Member] Threshold beneficial ownership percentage of common shares held by an individual that is required under the Shareholders Rights Agreement. Class of Warrant or Right, Threshold Beneficial Ownership Percentage, Individual Threshold beneficial ownership percentage by individual Redemption price per share or per unit of warrants or rights outstanding. Class of Warrant or Right, Redemption Price of Warrants or Rights Redemption price of Rights (in dollars per share) Number of rights exercised during the period. Class of Warrant or Right, Rights Exercised Number of Rights exercised (in shares) Holding period before rights can become exercisable after a public announcement that a person or group has become an "Acquiring Person" by obtaining beneficial ownership of 10% (15% in the case of a passive institutional investor) or more of the Company's outstanding common shares under the Shareholders Rights Agreement, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Class of Warrant or Right, Holding Period for Exercise After Announcement Holding period before Rights become exercisable after announcement Threshold percentage of assets, cash flow or earning power sold or transferred that entitles the holder of each Right to purchase, for the Exercise Price, a number of common shares of the person engaging in the transaction having a then-current market value of twice the Exercise Price. Class of Warrant or Right, Percentage of assets, cash flow or earning power sold or transferred Threshold percentage of assets, cash flow or earning power sold or transferred Number of rights declared as a dividend for each share of the Company's common stock. Dividends, Common Stock, Right Dividend payable (in shares) Threshold beneficial ownership percentage of common shares held by a passive institutional investor that is required under the Shareholders Rights Agreement. Class of Warrant or Right, Threshold Beneficial Ownership Percentage, Passive Institutional Investor Threshold beneficial ownership percentage by passive institutional investor Maximum value of common shares the Company may offer and sell a number at any time and from time to time through a sales agent, as agent or principal, in an at-the-market program. Offering Price of At the Market Program Aggregate offering price Distribution of earnings in the form of cash declared by the board of directors to be distributed to shareholders as a special dividend for the fourth quarter ending December 31, 2023. S 2023-Q4 Dividends [Member] Special Dividend for Q4-2023 [Member] Distribution of earnings in the form of cash declared by the board of directors to be distributed to shareholders for the first quarter ending March 31, 2025. O 2025-Q1 Dividends [Member] Regular Quarterly Dividend for Q1-2025 [Member] Distribution of earnings in the form of cash declared by the board of directors to be distributed to shareholders for the second quarter ending June 30, 2025. O 2025-Q2 Dividends [Member] Regular Quarterly Dividend for Q2-2025 [Member] Distribution of earnings in the form of cash declared by the board of directors to be distributed to shareholders for the fourth quarter ending December 31, 2023. O 2023-Q4 Dividends [Member] Regular Quarterly Dividend for Q4-2023 [Member] Distribution of earnings in the form of cash declared by the board of directors to be distributed to shareholders for the second quarter ending June 30, 2024. O 2024-Q2 Dividends [Member] Regular Quarterly Dividend for Q2-2024 [Member] Distribution of earnings in the form of cash declared by the board of directors to be distributed to shareholders as a special dividend for the first quarter ending March 31, 2024. S 2024-Q1 Dividends [Member] Special Dividend for Q1-2024 [Member] Distribution of earnings in the form of cash declared by the board of directors to be distributed to shareholders for the third quarter ending September 30, 2023. O 2023-Q3 Dividends [Member] Regular Quarterly Dividend for Q3-2023 [Member] Distribution of earnings in the form of cash declared by the board of directors to be distributed to shareholders for the first quarter ending March 31, 2024. O 2024-Q1 Dividends [Member] Regular Quarterly Dividend for Q1-2024 [Member] Distribution of earnings in the form of cash declared by the board of directors to be distributed to shareholders for the fourth quarter ending December 31, 2024. O 2024-Q4 Dividends [Member] Regular Quarterly Dividend for Q4-2024 [Member] Distribution of earnings in the form of cash declared by the board of directors to be distributed to shareholders for the third quarter ending September 30, 2024. O 2024-Q3 Dividends [Member] Regular Quarterly Dividend for Q3-2024 [Member] Sale and leaseback agreement Iconship with an affiliate of China Huarong Shipping Financial Leasing Company Ltd. ("Huarong") to refinance the AVIC Iconship Sale and Leaseback. Huarong Iconship Sale and Leaseback Agreement [Member] Huarong Iconship Sale and Leaseback [Member] The average quarterly minimum free liquidity requirement to be maintained by the borrower owning the vessel secured under the loan agreement. Debt Instrument, Average Quarterly Minimum Free Liquidity Requirement Average quarterly minimum free liquidity required to be maintained The second tranche (Tranche B) of a term loan agreement dated August 09, 2021 with Alpha Bank S.A. (Alpha Bank) secured by and corresponding to the Friendship. August 2021 Alpha Bank Loan Facility, Tranche B [Member] Tranche B [Member] The first tranche (Tranche A) of a term loan agreement dated May 20, 2021 with Alpha Bank S.A. (Alpha Bank) for the financing of the Squireship and the Lordship. August 2021 Alpha Bank Loan Facility, Tranche A [Member] Tranche A [Member] Loan agreement with Alpha Bank A.E. dated August 09, 2021 for a term loan for the (i) refinancing of the loan facility with Alpha Bank secured by the Leadership, the Squireship and the Lordship and (ii) financing of the previously unencumbered Friendship, effectively replacing the Leadership with the Friendship in the security structure and increasing the loan amount. August 2021 Alpha Bank Loan Facility [Member] August 2021 Alpha Bank Loan Facility [Member] First seven installments of debt redemption features under terms of the debt agreement. Debt Instrument, Redemption, First Seven Installments [Member] Seven Installments [Member] Last eight installments of debt redemption features under terms of the debt agreement. Debt Instrument, Redemption, Last Eight Installments [Member] Last Eight Installments [Member] Sale and leaseback agreements dated June 22, 2021 with CMB Financial Leasing Co., Ltd. (CMBFL) for the Hellasship and the Patriotship for the purpose of financing the outstanding acquisition price of both vessels. CMBFL Sale and Leaseback [Member] CMBFL Sale and Leaseback [Member] Sale and leaseback agreement Hellasship with an affiliate of China Huarong Shipping Financial Leasing Company Ltd. ("Huarong") to refinance the AVIC Hellasship Sale and Leaseback. Huarong Hellasship Sale and Leaseback Agreement [Member] Huarong Hellasship Sale and Leaseback [Member] A capesize vessel acquired on May 31, 2017. MV Partnership [Member] Partnership [Member] Sale and leaseback agreement dated March 9, 2022 with Chugoku Bank, Ltd. to refinance the vessel which was previously financed by the February 2019 ATB Loan Facility and the Second JDH Loan secured by the Partnership through first and second priority mortgages respectively. Chugoku Bank Sale and Leaseback [Member] Chugoku Bank Sale and Leaseback [Member] Sale and leaseback agreement with Hao Cancer Limited, an affiliate of AVIC International Leasing Co., Ltd. to partially finance the acquisition of the vessel Iconship. AVIC Iconship Sale and Leaseback [Member] AVIC Iconship Sale and Leaseback [Member] Amount of participation liability for 15% of the difference between the market price and certain threshold prices, as set forth in the agreement, to the buyer-lessor of the sale and leaseback agreement that will be applied against the vessel's hire in future years under the extended time charter agreement. Participation Liability to be Applied Against Hire Participation liability to be applied against vessel's future hire A capesize vessel acquired on May 6, 2021. Flagship [Member] Flagship [Member] Liability for 15% of the difference between the market price and certain threshold prices, as set forth in the agreement, to the buyer-lessor of the sale and leaseback agreement. Participation Liability Participation liability Sale and leaseback agreement dated May 11, 2021 with Cargill International S.A. for the purpose of financing part of the acquisition cost of the Flagship. Flagship Cargill Sale and Leaseback [Member] Flagship Cargill Sale and Leaseback [Member] The implied average applicable interest rate under the transaction involving the sale of the property to another party and the lease of the property back to the seller. Sale Leaseback Transaction, Implied Interest Rate Implied average interest rate The additional percentage payment for difference between the market price and the floor price the company needs to pay at the time of purchase, if the market value of the vessel is greater than a floor price. Additional Percentage Payment for Difference Between Market Price and Floor Price Additional percentage payment for difference between market price and floor price Contractual facility interest rate for financing receivable. Financing Receivable, Interest Rate Interest rate On July 5, 2022, Seanergy entered into a Right of First Refusal Agreement with United. Pursuant to the agreement, Seanergy has a right of first refusal with respect to any opportunity available to United to sell, acquire or charter-in any Capesize vessel as well as with respect to chartering opportunities, other than short-term charters with a term of 13 months or less, available to United for Capesize vessels. Right of First Refusal Agreement [Member] Right of First Refusal Agreement [Member] Technical management agreement for arranging (directly or by subcontracting) for the day-to-day operations, inspections, maintenance, repairs, drydocking, purchasing, insurance and claims handling for vessels owned by United Maritime Corporation ("United"). Technical Management Agreement [Member] Technical Management Agreement [Member] On July 5, 2022, the Company entered into a master management agreement with United Maritime Corporation ("United") for the provision of technical, administrative, commercial, brokerage and certain other services. Master Management Agreement [Member] Master Management Agreement [Member] Percentage of the gross freight, demurrage and charter hire collected from the employment of vessels paid to a relate party as a commercial management fee. Related Party Transaction, Commercial Management Fee Commercial management fee Number of vessels charged a monthly fixed management fee for services provided. Related Party Transaction, Number of Vessels Charged Monthly Fixed Management Fee Number of vessels charged monthly fixed management fee Daily fee per vessel charged for the provision of technical, administrative, commercial, brokerage and certain other services. Related Party Transaction, Daily Fixed Administration Fee Daily fixed administration fee per vessel Term of short-term charter, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Short-term Charter, Term Term of short-term charters Notice period for termination of agreement, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Notice Period for Termination of Agreement Notice period for termination of agreement Term of automatic extension periods of the agreement, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Automatic Extension Period of Agreement Automatic extension period of agreement The number of vessels whose technical management services were terminated during the period. Number of Managed Vessels whose Technical Management Services were Terminated Number of managed vessels whose technical management services were terminated Transactions with Related Party [Abstract] Transactions with Related Parties [Abstract] Primary financial statement caption encompassing voyage expenses. Voyage Expenses [Member] Voyage Expenses [Member] Awards granted on March 27, 2024. Awarded March 27, 2024 [Member] Awarded March 27, 2024 [Member] Awards granted on March 27, 2023. Awarded March 27, 2023 [Member] Awarded March 27, 2023 [Member] Awards granted on March 12, 2025. Awarded March 12, 2025 [Member] Awarded March 12, 2025 [Member] Wholly-owned subsidiary of the Company. Fellow Shipping Co. [Member] Fellow Shipping Co. [Member] Date the vessel was delivered to the entity. Date of Delivery Date of delivery The name of vessel. Vessel Name Vessel name Date the vessel was sold or disposed of by the entity. Date of Sale/Disposal Date of sale/disposal Subsidiaries in Consolidation [Abstract] Subsidiaries in Consolidation [Abstract] Wholly-owned subsidiary of the Company. Duke Shipping Co. [Member] Duke Shipping Co. [Member] Wholly-owned subsidiary of the Company. Premier Marine Co. [Member] Premier Marine Co. [Member] Wholly-owned subsidiary of the Company. Titan Ocean Navigation Co. [Member] Titan Ocean Navigation Co. [Member] Chartering services company. Pembroke Chartering Services Limited [Member] Pembroke Chartering Services Limited [Member] Wholly-owned subsidiary of the Company and bareboat charterer. Hellas Ocean Navigation Co. [Member] Hellas Ocean Navigation Co. [Member] Wholly-owned subsidiary of the Company. Friend Ocean Navigation Co. [Member] Friend Ocean Navigation Co. [Member] Wholly-owned subsidiary of the Company and bareboat charterer. Patriot Shipping Co. [Member] Patriot Shipping Co. [Member] Wholly-owned subsidiary of the Company. Blue Shipping Co. [Member] Blue Shipping Co. [Member] Wholly-owned subsidiary of the Company. Good Ocean Navigation Co. [Member] Good Ocean Navigation Co. [Member] The number of sale and leaseback agreements entered into by the entity. Number of Sale and Leaseback Agreements Entered Into Number of sale and leaseback agreements entered into Current assets minus current liabilities. Working Capital Working capital deficit Basis of Presentation [Abstract] Basis of Presentation and General Information [Abstract] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Subsidiaries in Consolidation [Line Items] Subsidiaries in Consolidation [Line Items] Wholly-owned subsidiary of the Company. Emperor Holding Ltd. [Member] Emperor Holding Ltd. [Member] Wholly-owned subsidiary of the Company. Sea Genius Shipping Co. [Member] Sea Genius Shipping Co. [Member] Wholly-owned subsidiary of the Company. Paros Ocean Navigation Co. [Member] Paros Ocean Navigation Co. [Member] Wholly-owned subsidiary of the Company. World Shipping Co. [Member] World Shipping Co. [Member] Wholly-owned subsidiary of the Company and bareboat charterer. Knight Ocean Navigation Co. [Member] Knight Ocean Navigation Co. [Member] Wholly-owned subsidiary of the Company. Kaizen Shipping Co. [Member] Kaizen Shipping Co. [Member] Wholly-owned subsidiary of the Company. Lord Ocean Navigation Co. [Member] Lord Ocean Navigation Co. [Member] Bareboat charterer. Flag Marine Co. [Member] Flag Marine Co. [Member] Wholly-owned subsidiary of the Company. Prime Ocean Navigation Co. [Member] Prime Ocean Navigation Co. [Member] Wholly-owned subsidiary of the Company. Honor Shipping Co. [Member] Honor Shipping Co. [Member] Wholly-owned subsidiary of the Company. Traders Shipping Co. [Member] Traders Shipping Co. [Member] Wholly-owned subsidiary of the Company. Partner Marine Co. [Member] Partner Marine Co. [Member] Wholly-owned subsidiary of the Company. Icon Ocean Navigation Co. [Member] Icon Ocean Navigation Co. [Member] Wholly-owned subsidiary of the Company. King Marine Co. [Member] King Marine Co. [Member] Wholly-owned subsidiary of the Company. Mei Shipping Co. [Member] Mei Shipping Co. [Member] Wholly-owned subsidiary of the Company. Squire Ocean Navigation Co. [Member] Squire Ocean Navigation Co. [Member] Wholly-owned subsidiary of the Company. Partner Shipping Co. Limited [Member] Partner Shipping Co. Limited [Member] Wholly-owned subsidiary of the Company. Atsea Ventures Corp. [Member] Atsea Ventures Corp. [Member] Wholly-owned subsidiary of the Company and bareboat charterer. Champion Marine Co. [Member] Champion Marine Co. [Member] Summarization of information for subsidiaries included in the consolidated financial statements. Subsidiaries in Consolidation [Table] Subsidiaries in Consolidation [Table] The next two installments of debt redemption under terms of the debt agreement. Debt Instrument, Redemption, Next Two Installments [Member] Next Two Installments [Member] Additional two installments of debt redemption under terms of the second supplemental debt agreement. Debt Instrument, Redemption, Additional Two Installments [Member] Additional Two Installments [Member] Tabular disclosure of disaggregation of voyage expenses by revenue source. Disaggregation of Voyage Expenses by Revenue Source [Table Text Block] Voyage Expenses from Spot Charters and Time Charters Sale and leaseback agreement with an affiliate of China Huarong Shipping Financial Leasing Company Ltd. (Huarong) to refinance the Tranche A of the August 2021 Alpha Bank Loan Facility, secured by the Squireship. Squireship Huarong Sale and Leaseback Agreement [Member] Huarong Squireship Sale and Leaseback [Member] Amount of undistributed earnings (loss) reallocated to nonvested participating securities for the diluted earnings (loss) per share or per unit calculation under the two-class method. Undistributed Earnings (Loss) Reallocated to Nonvested Participating Securities, Diluted Undistributed earnings reallocated to non-vested participating securities The aggregate value of dividends to non-vested participating securities. Dividends to Non-vested Participating Securities Less: Dividends to non-vested participating securities Sale and leaseback agreement with an Patriotship with an affiliate of China Huarong Shipping Financial Leasing Company Ltd. ("Huarong") to refinance the AVIC Patriotship Sale and Leaseback. Huarong Patriotship Sale and Leaseback Agreement [Member] Huarong Patriotship Sale and Leaseback [Member] Tabular disclosure of subsidiaries included in the consolidated financial statements. Subsidiaries in Consolidation [Table Text Block] Subsidiaries in Consolidation Sale and leaseback agreement with an affiliate of Kowa Kaiun Co. Ltd. dated xx, 2025 to finance the purchase option of Blueship under existing bareboat charter. Kowa Kaiun Sale and Leaseback Agreement [Member] Kowa Blueship Sale and Leaseback [Member] Next twelve installments after the first four installments of debt redemption features under terms of the debt agreement. Debt Instrument, Redemption, Next Twelve Installments [Member] Next Twelve Installments [Member] Under the facility agreement entered into on June 21, 2022 with Alpha Bank S.A. for a $21,000 term loan for the financing of the Dukeship, the Company has the option to pledge cash in the form of time deposits, up to the aggregate amount of the loan outstanding at that time. Pledged Amount of June 2022 Alpha Bank Loan Facility [Member] Pledged Amount of June 2022 Alpha Bank Loan Facility [Member] Tabular disclosure of interest and finance costs. Interest and Finance Costs [Table Text Block] Interest and Finance Costs The minimum liquidity requirement to be maintained at all times by the borrower owning the vessel secured under the loan agreement. Debt Instrument, Minimum Liquidity Requirement Minimum liquidity required to be maintained Minimum liquidity required to be maintained at all times Last fourteen of twenty installments of debt redemption features under terms of the debt agreement. Debt Instrument, Redemption, Last Fourteen Installments [Member] Last Fourteen Installments [Member] First six of twenty installments of debt redemption features under terms of the debt agreement. Debt Instrument, Redemption, First Six Installments [Member] First Six Installments [Member] First eight of twenty installments of debt redemption features under terms of the debt agreement. Debt Instrument, Redemption, First Eight Installments [Member] Eight Installments [Member] Last twelve of sixteen installments of debt redemption features under terms of the debt agreement. Debt Instrument, Redemption, Last Twelve Installments [Member] Last Twelve Installments [Member] The number of tranches the advance is available to be drawn down under the loan. Debt Instrument, Number of tranches Number of tranches The carrying amount of minimum liquidity requirement to be maintained in an earnings account by the borrower under the loan agreement. Debt Instrument, Minimum Liquidity Requirement in Earnings Account Minimum liquidity to be maintained in earnings account On April 18, 2023, the Company amended and restated the loan facility with Danish Ship Finance entered in October 2022 to refinance the Championship Cargill Sale and Leaseback. The amended and restated facility includes a new tranche secured by the Championship. New Tranche Secured by Championship [Member] New Tranche [Member] A capesize vessel acquired on November 30, 2016. Lordship [Member] Lordship [Member] Sale and leaseback agreement to partially refinance the August 2021 Alpha Bank Loan Facility, secured by the Lordship, as well as the Squireship and Friendship. Village Seven Sale and Leaseback [Member] Village Seven Sale and Leaseback [Member] Purchase price of vessel under a sale leaseback agreement. Sale Leaseback Agreement, Purchase Price of Vessel Purchase price of vessel The required security cover threshold (expressed as a percentage) as defined in the loan facility agreement. Debt Instrument, Security Cover Ratio Security cover ratio All long-term debt and other financial liabilities of the Company, excluding convertible notes. Long-Term Debt and Other Financial Liabilities [Member] Long-Term Debt and Other Financial Liabilities [Member] Amount of amortization expense attributable to the fair market value of the shares issued to a third party in lieu of cash fees. Amortization of Debt Issuance Costs and Debt Discounts, Shares Issued to Third Party Amortization of deferred finance costs and debt discounts (shares issued to third party - non-cash) Amount of amortization expense attributable to third party debt discount (premium) and debt issuance costs. Amortization of Debt Issuance Costs and Debt Discounts, Third Party Amortization of deferred finance costs and debt discounts Class of security that gives the holder the right to purchase shares of stock in accordance with the terms of the instrument, usually upon payment of a specified amount. Class E Warrants [Member] Class E Warrants [Member] Price paid per share or per unit of warrants or rights under a tender offer to purchase all outstanding warrants. Class of Warrant or Right, Tender Offer Price Tender offer price per share (in dollars per share) Percentage of outstanding warrants or rights repurchased under a tender offer to purchase all outstanding warrants. Class of Warrants or Rights, Percentage Repurchased Percentage of warrants tendered Number of warrants or rights repurchased during the period. Class of Warrant or Right, Repurchases Number of warrants tendered (in shares) Amount of unamortized debt discount (premium) and debt issuance costs classified as noncurrent. Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, Noncurrent Deferred finance costs and debt discounts, noncurrent Amount of unamortized debt discount (premium) and debt issuance costs classified as current. Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, Current Deferred finance costs and debt discounts, current Sale and leaseback agreement with Hao Virgo Limited, an affiliate of AVIC International Leasing Co., Ltd. to partially refinance the CMBFL Sale and Leaseback, secured by the vessels Hellasship and Patriotship. AVIC Patriotship Sale and Leaseback [Member] AVIC Patriotship Sale and Leaseback [Member] The entire disclosure for interest and finance costs. Interest and Finance Costs [Text Block] Interest and Finance Costs Sale and leaseback agreement with Hao Leo Limited, an affiliate of AVIC International Leasing Co., Ltd. in order to partially refinance the CMBFL Sale and Leaseback, secured by the vessels Hellasship and Patriotship. AVIC Hellasship Sale and Leaseback [Member] AVIC Hellasship Sale and Leaseback [Member] Sale and Leaseback Transaction [Abstract] Sale and Leaseback Transaction [Abstract] The entire disclosure for vessel revenue and voyage expenses. Vessel Revenue and Voyage Expenses [Text Block] Vessel Revenue and Voyage Expenses Vessel Revenue and Voyage Expenses [Abstract] Number of vessels serving as collateral under the debt instrument. Number of vessels serving as collateral Number of vessels serving as collateral Vessels that are chartered on a bareboat basis under sales and leaseback agreements. Bareboat Chartered Vessels [Member] Bareboat Chartered Vessels [Member] Company-owned vessels subject to first and second priority mortgages as collaterals to their long-term debt facilities. Vessels Subject to Mortgages [Member] Vessels Subject to Mortgages [Member] Equity impact of the value of shares issued in at-the market offering program during the period. Stock Issued During Period, Value, At-the-market Offering ATM offering (Note 11) The number of shares issued in at-the-market offering program during the period. Stock Issued During Period, Shares, At-the-market Offering ATM offering (Note 11) (in shares) Amount of decrease in additional paid in capital (APIC) resulting from the repurchase of warrants. Adjustments to Additional Paid in Capital, Warrant Repurchased Warrants buyback (Note 11) Number of votes the holder of preferred shares is entitled to vote per share owned on all matters submitted to a vote of shareholders of the Company. Preferred Stock, Voting Rights, Number of Votes per Share Number of votes per share Beneficial ownership percentage threshold for voting on any matter submitted to a vote of shareholders of the Company. Preferred Stock, Voting Rights, Beneficial Ownership Percentage Minimum percentage of votes eligible First four of twenty installments of debt redemption features under terms of the debt agreement. Debt Instrument, Redemption, First Four Installments [Member] First Four Installments [Member] Loan agreement dated December 20, 2021 with Sinopac Capital International to refinance the previous loan facility of Entrust Global secured by the Geniuship. Sinopac Loan Facility [Member] Sinopac Loan Facility [Member] Last sixteen of twenty installments of debt redemption features under terms of the debt agreement. Debt Instrument, Redemption, Last Sixteen Installments [Member] Last Sixteen Installments [Member] Advances made for the acquisition of vessels. Advances for vessel acquisitions Advances for vessel acquisition 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, net Vessels, net Preferred stock purchase rights. Preferred Stock Purchase Rights [Member] Primary financial statement caption encompassing depreciation and amortization expense. Depreciation and Amortization [Member] Depreciation and Amortization [Member] Daily bareboat rate charged for the vessel to the lessee under a finance lease. Lessee, Finance Lease, Daily Bareboat Rate Daily bareboat rate Initial direct costs associated with finance lease. Finance Lease, Initial Direct Costs Initial direct costs Substance, such as oil or grease, used for minimizing friction, especially in an engine, that is stored as inventory. Lubricants [Member] Lubricants [Member] The amount of the monthly rental payments due under the operating lease. Lessee, Operating Lease, Monthly Rental Payments Monthly rent Number of extensions under lessee's operating lease. Lessee, Operating Lease, Number of extensions Number of extensions Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities and income related to nonoperating activities classified as other. Investment Income, Interest and Other Income Interest and other income Port, canal and bunker expenses and commission costs that are incurred on time-charter and voyage-charter arrangements. Commissions are paid directly to brokers by the company. Voyage Expenses Voyage expenses Voyage expenses Fees paid to third parties for providing general administrative and support services, such as crewing and other technical management, accounting related to vessels and provisions. Management Fees Management fees Interest income on a loan receivable from related party. Related Party, Interest Income Interest income - related party Interest income Amount of expenses capitalized for vessels under construction. Vessels Under Construction Vessels under construction A secondhand Newcastlemax vessel acquired on October 24, 2023. Titanship [Member] Titanship [Member] A capesize vessel acquired on August 7, 2020 and sold on February 10, 2023. Goodship [Member] A secondhand Newcastlemax vessel, the Berge Kita, which was renamed Meiship. Meiship [Member] Meiship [Member] A capesize vessel acquired on June 9, 2021 and sold on February 28, 2023. Tradership [Member] Tradership [Member] A newbuilding scrubber fitted Capesize vessel (Hull No. HL-B181K-13) to be constructed by Hengli Shipbuilding (Dalian) Co. and Hengli Shipbuilding (Singapore) Pte. Ltd. Newbuilding 5 [Member] Newbuilding 5 [Member] Vessel with a carrying capacity of 178,459 dwt. Blueship [Member] Blueship [Member] Capitalized expenditures related to improvements on vessels performance and meeting environmental standards. Capitalized Expenditures for Improvements on Vessels Performance and Meeting Environmental Standards [Member] Capitalized Expenditures for Improvements on Vessels Performance and Meeting Environmental Standards [Member] A capesize vessel acquired on October 13, 2015. Geniuship [Member] Geniuship [Member] A secondhand Capesize vessel delivered on October 1, 2024. Kaizenship [Member] Kaizenship [Member] Vessel with a carrying capacity of 181,392 dwt. Iconship [Member] Iconship [Member] The minimum percentage of the vote and value of the Company's stock that is owned, actually or constructively under specified stock attribution rules, on more than half the days during the taxable year by persons who each own 5% or more of the value of such class of the Company's outstanding stock under the 5 Percent Override Rule in Section 883 of the Internal Revenue Code of the United States. Minimum stock ownership percentage under Override Rule Minimum stock ownership percentage under 5% Override Rule The minimum percentage of the value of the Company's stock that is owned, directly or indirectly, by individuals who are residents of the Company's country of organization or of another foreign country that grants an equivalent exemption to corporations organized in the United States. Minimum stock ownership percentage under Ownership Test Minimum stock ownership percentage under 50% Ownership Test The minimum percentage of the value of a class of the Company's outstanding stock owned by an individual on more than half the days during the taxable year under the 5 Percent Override Rule in Section 883 of the Internal Revenue Code of the United States. Minimum stock ownership percentage for individual under Override Rule Minimum stock ownership percentage for individual under 5% Override Rule The minimum percentage of days during the taxable year the vote and value of the Company's stock is owned, actually or constructively under specified stock attribution rules, by persons who each own 5% or more of the value of such class of the Company's outstanding stock under the 5 Percent Override Rule in Section 883 of the Internal Revenue Code of the United States. Minimum percentage of days stock owned during taxable year under Override Rule Minimum percentage of days stock owned during taxable year under 5% Override Rule The annual contribution calculated on the total amount of foreign exchange annually imported and converted to Euros established in Greece under Greek Law 89/67 (as amended to date) that is to be paid in the next year. Annual contribution Greek annual contribution Percentage of the contract price of any vessel bought or sold paid as a fee to a related party. Related Party Transaction, Percentage of Contract Price on Purchase or Sale of Vessel Percentage of contract price paid on purchase or sale of vessel Period in which historical data on demolition prices prevailing in the market was available, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Period in which historical data was available Period in which historical data was available The estimated scrap value per lightweight ton (LWT) of the vessel at the end of its useful life or when it is no longer serviceable (cannot be used for its original purpose). Property, Plant, and Equipment, Scrap Value Estimated residual scrap rate per light-weight ton Watercraft used as a means of transportation on water. Vessels [Member] Vessels [Member] Line items represent commissions included in a table. Accounting Policies [Line Items] Significant Accounting Policies [Abstract] Disclosure of information about significant accounting policies. Accounting Policies [Table] Fee paid by vessel owners to charterers. Address Commissions Address commissions Amount of unamortized deferred dry-docking costs. Unamortized Deferred Dry-Docking Costs Unamortized dry-docking costs The number of vessels evaluated for impairment. Number of Vessels Evaluated for Impairment Number of vessels evaluated for impairment Period that estimated charter rates are used to determine undiscounted projected operating cash flows for each vessel, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Term of estimated charter rates used to determine undiscounted projected operating cash flows Term of estimated charter rates used to determine undiscounted projected operating cash flows Period that historical charter rates are used to determine undiscounted projected operating cash flows for each vessel, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Term of historical charter rates used to determine undiscounted projected operating cash flows Term of historical charter rates used to determine undiscounted projected operating cash flows The carrying value of the Company's vessels plus any unamortized dry-docking costs and cost of any equipment not yet installed for which impairment indicators existed and an impairment exercise was performed. Vessels, Amount Evaluated for Impairment Carrying value of vessels evaluated for impairment plus unamortized dry-docking costs and cost of equipment not yet installed European Union Allowances (EUAs) are a type of carbon allowance that allows companies covered by the European Union's Emissions Trading System (EU ETS) to emit a certain amount of carbon dioxide (CO2). European Union Emissions Trading System Emissions Allowances [Member] EUAs [Member] Statutory tax exemption for United States source income from the international operation of ships pursuant to Section 883 of the Internal Revenue Code of the United States. Statutory Tax Exemption on United States Source Income [Member] Statutory Tax Exemption on United States Source Income [Member] Wholly-owned subsidiary of the Company and a Management company. Seanergy Management Corp. [Member] Seanergy Management [Member] Seanergy Management had entered into a commercial management agreement with United pursuant to which Seanergy Management acted as agent for United's subsidiaries (directly or through subcontracting) for the commercial management of their vessels, including chartering, monitoring thereof, freight collection, and sale and purchase up until March 31, 2023, except for one tanker vessel for which such agreement was in effect up until her sale to her new owners in August 2023. Effective as of April 1, 2023, Seanergy Management has entered into a new commercial management agreement with United's subsidiary, United Management Corp. ("United Management") pursuant to which Seanergy Management acts as agent for United's subsidiaries for the commercial management of United's vessels, including voyage monitoring, freight collection, postfixing, sale, purchase and bareboat chartering. Commercial Management Agreement [Member] Commercial Management Agreement [Member] Amount of emission allowances under the European Union's Emissions Trading System (EU ETS) that are due from charterers. European Union Emissions Trading System Emissions Allowances Due from Charterers EUAs due from charterers Liability for emission allowances under the European Union's Emissions Trading System (EU ETS) in relation to obligations under the EU ETA but not yet surrendered. European Union Emissions Trading System Emissions Allowances Obligations EUA obligations Period after signing bareboat charter agreement to pay an additional down payment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Period After Signing Bareboat Charter Agreement to Pay Additional Down Payment Period after signing bareboat charter agreement to pay additional down payment The term Secured Overnight Financing Rate (SOFR) is a forward-looking index rate published by the Chicago Mercantile Exchange (CME Group) in tenors of one, three, six, and 12 months and reflects market expectations for spot SOFR (an overnight rate) for that given tenor. Term Secured Overnight Financing Rate (SOFR) [Member] Term SOFR [Member] Wholly-owned subsidiary of the Company and a Management company. Seanergy Shipmanagement Corp. [Member] Seanergy Shipmanagement [Member] United Maritime Corporation was incorporated by the Company on January 20, 2022 under the laws of the Republic of the Marshall Islands. On July 5, 2022, the Company completed the spin-off of this previously wholly-owned subsidiary. United Maritime Corporation [Member] United [Member] A Japanese newbuilding 181,500 dwt scrubber-fitted Capesize vessel to be built by Imabari Shipbuilding Co., Ltd. Newbuilding 3 [Member] Purchase price of long-lived, physical assets used in the normal conduct of business and not intended for resale. Property, Plant and Equipment, Purchase Price Purchase price Under the Seanergy Maritime Holdings Corp. 2011 Equity Incentive Plan (Plan), officers, key employees, directors, consultants and service providers may be granted incentive stock options, non-qualified stock options, stock appreciation rights, restricted stock, unrestricted stock and restricted stock units at the discretion of the Compensation Committee. Seanergy Maritime Holdings Corp. 2011 Equity Incentive Plan [Member] Equity Incentive Plan [Member] Number of installment payments to be paid for the construction price of a new vessel. Number of Purchase Payment Installments Number of purchase price payment installments Non-executive employees and non-employees. Non-Executive Employees and Non-Employees [Member] Non-Executive Employees and Non-Employee [Member] Non-executive members of the Board of Directors and executive officers. Non-Executive Members of Board of Directors and Executive Officers [Member] Non-Executive Members of Board of Directors and Executive Officers [Member] Fixed monthly fees paid for arranging (directly or by subcontracting) for the crewing of the vessels, the day-to-day operations, inspections, maintenance, repairs, drydocking, purchasing, insurance and claims handling of vessels. Related Party Transaction, Monthly Fixed Management Fee Fixed management fee per month A scrubber fitted Newcastlemax vessel (Hull No HT211-485). Newbuilding 1 [Member] Newbuilding 1 [Member] Percentage of purchase price of vessel payable over fourteen months after signing agreement. Percentage of Purchase Price Payable over Fourteen Months Percentage of purchase price payable over next 14 months Period after signing contract to pay 45% of the purchase price of the vessel in 5 installments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Term for Payment of Percentage of Purchase Price Term for payment of 45% of purchase price Percentage of purchase price of vessel paid upon signing of contract. Percentage of Purchase Price Paid upon Signing of Contract Percentage of purchase price paid upon signing of contract Face amount of financial liability at time of sale and leaseback agreement. Financial Liability, Face Amount Face amount Financing amount The number of consecutive, periodic payment installments in which the debt is to be repaid. Debt Instrument, Number of consecutive payment installments Number of payment installments Purchase price of vessel at the end of the bareboat period by the lessee under a finance lease. Lessee, Finance Lease, Purchase price Purchase price of vessel Term of the interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Debt Instrument, Term of variable rate Term of variable rate Monthly bareboat rate charged for the vessel to the lessee under a finance lease. Lessee, Finance Lease, Monthly Bareboat Rate Monthly bareboat rate Percentage of purchase price of vessel payable upon delivery of the vessel. Percentage of Purchase Price Payable upon Delivery of Vessel Percentage of purchase price payable upon delivery of vessel Maximum weight of cargo and supplies that a vessel can carry, excluding the ship's own empty weight. Vessel Capacity Vessel capacity Daily bareboat rate charged for the vessel by the lessor under a sales-type lease. Lessor, Sales-type Lease, Daily Bareboat Rate Daily bareboat rate Sales price of long-lived, physical asset used in the normal conduct of business. Property, Plant and Equipment, Sales price Sales price Subsequent Event [Abstract] Subsequent Events [Abstract] Distribution of earnings in the form of cash declared by the board of directors to be distributed to shareholders for the third quarter ending September 30, 2025. O 2025-Q3 Dividends [Member] Regular Quarterly Dividend for Q3-2025 [Member] A capesize vessel acquired on November 10, 2015. Squireship [Member] Squireship [Member] A 181,500 dwt scrubber-fitted Capesize vessel (Hull No. HL-B181K-18) to be constructed by Hengli Shipbuilding (Dalian) Co., Ltd. and Hengli Shipbuilding (Singapore) Pte. Ltd. Newbuilding 4 [Member] Newbuilding 4 [Member] A capesize vessel acquired on November 26, 2021. Dukeship [Member] Dukeship [Member] A Japanese newbuilding 181,500 dwt scrubber-fitted Capesize vessel (Hull No. S-8329 or Newbuilding 2) to be built by Imabari Shipbuilding Co., Ltd. Newbuilding 2 [Member] Newbuilding 2 [Member] Sale and leaseback agreement with an affiliate of of BOC Financial Leasing Corporation Limited (BOCL) for the purpose of financing the construction cost of the Newbuilding 1 scrubber fitted Newcastlemax vessel Newbuilding 1 Sale and Leaseback Agreement [Member] Newbuilding 1 Sale and Leaseback Agreement [Member] Distribution of earnings in the form of cash declared by the board of directors to be distributed to shareholders for the fourth quarter ending December 31, 2025. O 2025-Q4 Dividends [Member] Regular Quarterly Dividend for Q4-2025 [Member] Sale and leaseback agreement with an affiliate of of BOC Financial Leasing Corporation Limited (BOCL) to finance the purchase option cost of the Partnership under the Chugoku Bank Sale and Leaseback. Partnership Sale and Leaseback Agreement [Member] Partnership Sale and Leaseback Agreement [Member] Awards granted on March 6, 2026. Awarded March 6, 2026 [Member] Awarded March 6, 2026 [Member] Disclosure of accounting policy for vessel voyage expenses. Vessel Voyage Expenses, Policy [Policy Text Block] Vessel Voyage Expenses Disclosure of accounting policy for recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Excludes selling, general and administrative expense. Vessel Operating Expenses [Policy Text Block] Vessel Operating Expenses Disclosure of accounting policy for transactions involving the sale of property to another party and a lease of the property back to the seller. Sale and Leaseback Transactions, Policy [Policy Text Block] Sale and Leaseback Transactions Disclosure of accounting policy for debt modifications and extinguishments. Debt Modifications and Extinguishments, Policy [Policy Text Block] Debt Modifications and Extinguishments The carrying amount of minimum liquidity requirements required to be maintained by the borrower per the Company's credit facilities covenants under the loan agreement that are not restricted as to withdrawal or usage. Minimum liquidity requirements for credit facilities covenants Minimum liquidity requirements for credit facilities covenants Facility agreement entered into on October 21, 2024 with Alpha Bank S.A. for a $34,000 term loan term loan for the purpose of (i) refinancing the December 2022 Alpha Bank Loan Facility, which was secured by the Paroship and (ii) financing the purchase option for the Titanship . October 2024 Alpha Bank Loan Facility [Member] October 2024 Alpha Bank Loan Facility [Member] The carrying amount of restricted deposits pledged as collateral regarding credit card balances with a financial institution. Restricted deposits pledged as collateral Restricted deposits pledged as collateral Facility agreement entered into on December 12, 2025 with Danish Shipping Finance A/S ("DSF") for the purpose of (i) refinancing the October 2022 Danish Ship Finance Loan Facility, which was secured by the Premiership, Fellowship and Championship, (ii) financing the purchase obligation of the Flagship under the Flagship Cargill Sale and Leaseback and (iii) general corporate purposes. December 2025 Danish Ship Finance Loan Facility [Member] December 2025 Danish Ship Finance Loan Facility [Member] Facility agreement entered into on October 10, 2022 with Danish Shipping Finance A/S for a $28,000 term loan for the purpose of refinancing the existing UniCredit Bank Loan Facility, which was secured by the Premiership and the Fellowship. The facility was divided in two equal tranches. October 2022 Danish Ship Finance Loan Facility [Member] October 2022 Danish Ship Finance Loan Facility [Member] Loan agreement with Alpha Bank A.E. dated August 09, 2021 for a term loan for the (i) refinancing of the loan facility with Alpha Bank secured by the Leadership, the Squireship and the Lordship and (ii) financing of the previously unencumbered Friendship, effectively replacing the Leadership with the Friendship in the security structure and increasing the loan amount. Loan Agreement Dated August 09, 2021 [Member] August 2021 Alpha Bank Loan Facility [Member] Facility agreement entered into on June 22, 2022 with Piraeus Bank S.A. for a $38,000 term loan for the purpose of (i) refinancing the existing Piraeus Bank S.A. loan facility secured by the Worldship and (ii) partly financing the acquisition cost of the Honorship. June 2022 Piraeus Bank Loan Facility [Member] June 2022 Piraeus Bank Loan Facility [Member] Facility agreement with Piraeus Bank S.A. for a $53,560 term loan for the purpose of (i) refinancing the June 2022 Piraeus Bank Loan Facility, which was secured by the Worldship and Honorship and (ii) partially financing the acquisition cost of the Meiship. February 2025 Piraeus Bank Loan Facility [Member] February 2025 Piraeus Bank Loan Facility [Member] Facility agreement entered into on June 21, 2022 with Alpha Bank S.A. for a $21,000 term loan for the financing of the Dukeship. June 2022 Alpha Bank Loan Facility [Member] June 2022 Alpha Bank Loan Facility [Member] Interest period for pledged capital, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Interest Period for Pledged Capital Interest period for pledged capital The minimum liquidity requirement to be maintained by the borrower under the loan agreement that is restricted as to withdrawal or usage. Minimum liquidity requirement for loan facility, restricted Minimum liquidity requirements per Loan Facility The number of financial institutions where restricted deposits are pledged as collateral regarding credit card balances. Number of financial institutions where restricted deposits are pledged as collateral regarding credit card balances Number of financial institutions where restricted deposits are pledged as collateral regarding credit card balances The increase (decrease) during the reporting period in intangible assets (for example goodwill and license fees) classified as noncurrent.. Increase (Decrease) in Intangible Assets, Noncurrent Intangible assets, non-current The noncash consideration given for right-of use assets and initial direct costs for a finance lease. Finance Lease, Right-of Use Assets and Initial Direct Costs Finance lease, right-of use assets and initial direct costs The amount of financing and stock issuance costs that were incurred during a noncash or partial noncash transaction. Financing and Stock Issuance Costs Financing and stock issuance costs Noncash financing activities [Abstract] Noncash financing activities: Amount of cash outflow for prepayment of finance lease and other initial direct costs. Finance Lease Prepayments and Other Initial Direct Costs Finance lease prepayments and other initial direct costs Finance lease prepayments and other initial direct costs The cash outflow from the payment of fractional shares as a result of reverse stock split. Payments of Fractional Shares Due to Reverse Stock Split Payments of fractional shares due to reverse stock split The cash inflow from the additional capital contribution to the entity and from the issuance of rights to purchase common shares at predetermined price, net of underwriters fees and commissions. Proceeds from Issuance of Common Stock and Warrants Proceeds from issuance of common stock and warrants, net of commissions Gross proceeds The cash outflow for advances made for acquisition of vessels. Payments for Advances for Vessel Acquisition Advances for vessel acquisition Advances for vessel acquisition The cash outflow for deposits for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets. Payments for Deposits to Acquire Productive Assets Deposits assets, non-current The cash outflow associated with payments made to a related party. Payments to Related Parties Due from related parties The noncash additions during the period to vessels under construction, including capitalized expenditures and other directly attributable costs. Vessel Under Construction Vessel under construction Noncash investing activities [Abstract] Noncash investing activities: Amount of gain (loss) on sale or disposal of property, plant and equipment assets to a related party. Gain (Loss) on Disposition of Property Plant Equipment, Related Party Gain on sale of vessels, net - related party Gain on sale of vessels, net - related party Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable classified as noncurrent. Increase (Decrease) in Contract with Customer, Liability, Noncurrent Deferred revenue, non-current