Customer [Domain] Scenario [Domain] Scenario [Axis] Customer [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Maximum [Member] Minimum [Member] Counterparty Name [Axis] Contractual Annual Payments Under Shipbuilding Contracts Counterparty Name [Domain] Consolidated Entities [Axis] Consolidated Entities [Domain] Accounts receivable trade, net Accounts Receivable, after Allowance for Credit Loss, Current Ending balance Beginning balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Additional paid-in capital Depreciation for the period Depreciation Amortization of deferred dry-docking costs Amortization of Deferred Charges Restricted Stock [Member] Unaudited Interim Condensed Consolidated Balance Sheets [Abstract] Earnings / (loss) per share attributable to common shareholders, basic (in dollars per share) Earnings / (loss) per common share, 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] Interest paid, net of capitalized interest 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 June 30, 2026 and December 31, 2025; 21,668,198 and 21,114,098 shares issued and outstanding as at June 30, 2026 and December 31, 2025, respectively Common Stock, Value, Issued 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] Depreciation and amortization Cost, Depreciation and Amortization Total current liabilities Liabilities, Current Current liabilities: Liabilities, Current [Abstract] Intangible assets Intangible Assets, Current Customer Concentration Risk [Member] Balance outstanding Long-term debt and other financial liabilities Total Long-Term Debt, Gross Aggregate principal amount Face amount Face amount Frequency of periodic payment Interest rate Debt Instrument, Interest Rate, Stated Percentage Maturity date Debt Instrument, Maturity Date Debt Instrument, Name [Domain] Installment payment Long-Term Debt and Other Financial Liabilities [Abstract] Debt Instrument [Axis] Debt Instrument [Line Items] Long-Term Debt and Other Financial Liabilities [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Unrealized (gain) / losses from foreign exchange derivatives Foreign exchange forward contract Loss on forward freight agreements, net Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Financial instruments Cash and Cash Equivalents and Restricted Cash Earnings / (loss) per share attributable to common shareholders, diluted (in dollars per share) Earnings / (loss) per common share, diluted (in dollars per share) Earnings Per Share, Diluted Principles of Consolidation Consolidation, Policy [Policy Text Block] Dividend payable per share (in dollars per share) Dividend payable, date declared Dividends Payable [Line Items] Dividends Payable [Table] Stock-based compensation expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Gain on sale of vessel, net - related party Loss on extinguishment of debt General and administration expenses General and Administrative Expense General and Administrative Expenses [Member] Unaudited Interim Condensed Consolidated Statements of Operations [Abstract] Intangible assets, non-current Interest and Finance Costs [Abstract] Interest Expense, Operating and Nonoperating [Abstract] Interest expense Interest Expense, Long-Term Debt Other Interest Expense, Other Inventories Inventory, Net Inventories [Abstract] Inventory, Net [Abstract] 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 financing costs and debt discounts Long-Term Debt Related and Nonrelated Parties [Axis] Net cash 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 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] Cash flow from operations Net cash provided by operating activities Net income (loss) Net income Net income / (loss) Net income / (loss) Net income / (loss) 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: Vessel Revenue Lessor, Operating Leases [Text Block] 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 Dividends paid 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, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Prepaid expenses Prepaid Expense, Current Proceeds from sale of vessel Proceeds from Sale of Property, Plant, and Equipment Proceeds from drawdown Proceeds from long term debt and other financial liabilities Proceeds from Issuance of Secured Debt Ending balance Beginning balance Property, Plant and Equipment, Gross Net book value Carrying amount of vessel Net book value Vessels, Net [Abstract] Vessels acquisitions and improvements Down payment Payments to Acquire Property, Plant, and Equipment Related and Nonrelated Parties [Domain] Related Party Transaction [Line Items] Transactions with Related Parties Related Party Transaction [Table] Repayment of loan by related party Repayment of Notes Receivable from Related Parties Repayments of long term debt and other financial liabilities Repayments of Secured Debt Restricted cash Restricted cash Accumulated deficit Retained Earnings (Accumulated Deficit) 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 $1,249 and $1,963, respectively Secured Debt, Current Long-term debt and other financial liabilities, net of current portion and deferred finance costs and debt discounts of $2,360 and $1,835, respectively Series B [Member] Series B Preferred Stock [Member] Equity Incentive Plan [Abstract] Share-Based Payment Arrangement, Disclosure [Abstract] Shares granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Grant date fair value (in dollars per share) Unrecognized cost for non-vested shares Shares vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Shares reserved for issuance (in shares) Award Type [Domain] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Unaudited Interim Condensed Consolidated Statements of Cash Flows [Abstract] Unaudited Interim Condensed Consolidated Statements of Stockholders' Equity [Abstract] STOCKHOLDERS EQUITY Equity, Attributable to Parent [Abstract] Capital Structure [Abstract] Capital Structure Equity [Text Block] Subsequent Event Type [Axis] Subsequent Event [Line Items] Subsequent Event [Table] Subsequent Event Type [Domain] SUPPLEMENTAL CASH FLOW INFORMATION Supplemental Cash Flow Information [Abstract] Total current assets Assets, Current Current assets: Inventory [Domain] Inventory [Axis] Weighted average number of common shares outstanding, diluted (in shares) Weighted average number of common shares outstanding, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Weighted average number of common shares outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Restricted cash, non-current Restricted cash, non-current Common Stock [Member] Vessels, Net Property, Plant and Equipment Disclosure [Text Block] Long-Lived Tangible Asset [Domain] Additions Property, Plant and Equipment, Additions Disposals Property, Plant and Equipment, Disposals Fixed assets: Vessels, Net [Abstract] Property, Plant and Equipment, 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] ASSETS Assets [Abstract] Statement [Line Items] Class of Stock [Domain] Long-Term Purchase Commitment [Table] Long-Term Purchase Commitment [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Other non-current assets Earnings / (Loss) per Share [Abstract] Class of Stock [Axis] Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table] Property, Plant and Equipment [Table] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Long-Lived Tangible Asset [Axis] Property, Plant and Equipment [Line Items] Vessel operating expenses Operating Costs and Expenses Balance Balance Total Stockholders' equity Equity, Attributable to Parent Foreign currency exchange gain / (loss), net Gain (Loss), Foreign Currency Transaction, before Tax Interest and finance costs, net of capitalized interest Interest Costs Incurred Preferred stock, $0.0001 par value; 25,000,000 shares authorized; 20,000 and 20,000 shares issued and outstanding as at June 30, 2026 and December 31, 2025, respectively Preferred Stock, Value, Issued Dividends paid (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Equity Components [Axis] Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Accumulated Deficit [Member] Retained Earnings [Member] Equity Component [Domain] Vessel improvements Long-Term Debt and Other Financial Liabilities Long-Term Debt [Text Block] Issuance of common stock (including the exercise of warrants) (Note 12) Stock Issued During Period, Value, New Issues Issuance of common stock (including the exercise of warrants) (Note 12) (in shares) Stock Issued During Period, Shares, New Issues Stock based compensation (Note 16) (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Net income / (loss) 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] Earnings / (Loss) per Share Non-vested participating shares (in shares) Commitments and contingencies Dividends Dividends declared Dividends, Common Stock, Cash Long-term Debt, Type [Axis] Basis of Presentation and General Information Nature of Operations [Text Block] Dividends payable Dividends declared but not paid Trade accounts and other payables Accounts Payable, Current Accrued liabilities Accrued Liabilities, Current Long-term Debt, Type [Domain] Stock based compensation (Note 16) APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Other non-current assets: Impairment Deferred charges and other investments, non-current Investments and Other Noncurrent Assets 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] Equity Incentive Plan [Abstract] 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] Due from related parties Cash paid during the period for: Dividend payable, date to be paid Noncash Investing and Financing Items [Abstract] Earnings / (Loss) per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Basis of Accounting Basis of Accounting, Policy [Policy Text Block] Unrecognized Cost for Non-vested Shares [Abstract] Statement of Financial Position Location, Balance [Axis] 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] Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Domain] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Finance costs Annual Principal Payments [Abstract] Twelve month periods ending June 30, 2027 Twelve month periods ending June 30, 2028 Twelve month periods ending June 30, 2029 Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Three Twelve month periods ending June 30, 2030 Long-Term Debt, Maturities, Repayments of Principal in Rolling Year Four Contractual Annual Payments [Abstract] Contractual Obligation, Fiscal Year Maturity [Abstract] Recognition period for unrecognized cost for non-vested shares Less: Capitalized interest (Note 7) Interest Costs Capitalized Adjustment Concentration risk percentage Concentration Risk, Percentage Statement of Financial Position Location, Balance [Domain] Other Current Liabilities [Member] Revenues [Member] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Domain] Term of loan Principal repayment term Award Date [Axis] Award Date [Domain] Inventory, Current [Table] Inventory [Line Items] Balloon payment Final 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 Disposals Less: Deferred financing costs and debt discounts Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Vessel Revenue [Abstract] Total undiscounted cash flows Sales-type and Direct Financing Leases, Lease Receivable Net Investment in Sales Type Lease [Abstract] Operating lease, right of use asset Operating Lease, Right-of-Use Asset Office Rental Obligations [Abstract] Implicit discount rate Lessee, Finance Lease, Discount Rate Office Lease [Abstract] Lessee, Operating Lease, Description [Abstract] Commitments and Contingencies [Abstract] Lessor, Operating Lease, Description [Abstract] Net Investment in Sales Type Lease [Abstract] Lessor, Sales-type Lease, Description [Abstract] Net 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 end of period Cash and cash equivalents and restricted cash Cash and cash equivalents and restricted cash at beginning of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Lessor, Lease, Description [Table] Lessor, Lease, Description [Table] Lessor, Lease, Description [Line Items] Payments of finance lease liabilities Finance Lease, Principal Payments Twelve month period ending June 30, 2027 Less: Discount based on implicit rate Sales-type and Direct Financing Leases, Lease Receivable, Undiscounted Excess Amount Twelve month period ending June 30, 2028 Present value of lease receivables Sales-Type and Direct Financing Leases, Payment to be Received Annual Lease Receivables Net investment in sales type lease Sales-Type Lease, Net Investment in Lease, before Allowance for Credit Loss Gain on sales type lease - related party Total Lessee, Operating Lease, Liability, to be Paid Twelve month period ending June 30, 2028 Lessee, Operating Lease, Liability, to be Paid, Rolling Year Two Twelve month period ending June 30, 2027 Lessee, Operating Lease, Liability, to be Paid, Next Rolling 12 Months Office Rental Obligations Office rent expense Operating Lease, Expense Vessel revenue, net Total Lessor, Operating Lease, Payment to be Received Twelve month period ending June 30, 2028 Lessor, Operating Lease, Payment to be Received, Rolling Year Two Twelve month period ending June 30, 2027 Lessor, Operating Lease, Payment to be Received, Next Rolling 12 Months Future Minimum Contractual Charter Revenue Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block] Interest on finance lease liability Finance Lease, Interest Expense Present value of lease liabilities Operating Lease, Liability Operating lease liability, current Operating lease liability, current Less: imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Operating lease liability, non-current Operating Lease, Liability, Noncurrent Future Minimum Contractual Charter Revenue [Abstract] Sales type leases - Leases for Lessors Lessor, Leases [Policy Text Block] Net Investment in Sales Type Lease Lessor, Sales-type Leases [Text Block] Term of bareboat charter agreement Lessee, Finance Lease, Term of Contract 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 Grantee Status [Axis] Grantee Status [Domain] Board of Directors and Certain Employees [Member] Share-Based Payment Arrangement, Employee [Member] Non-Employees [Member] Share-Based Payment Arrangement, Nonemployee [Member] Fees from related parties Revenue Not from Contract with Customer Deferred revenue Current portion of deferred revenue Deferred Income, Current Total fixed assets Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Advances in finance lease contracts Direct Financing Lease, Net Investment in Lease, Excluding Accrued Interest, before Allowance for Credit Loss, Noncurrent Present value of lease receivables Sales-Type Lease, Net Investment in Lease, after Allowance for Credit Loss Net investment in sales type lease, current Net investment in sale type lease, current Net investment in sales type lease, non-current Net investment in sale type lease, non-current Term of charter contract Sale Leaseback Transaction, Lease Term Related Party [Member] Other Receivable, after Allowance for Credit Loss, Current, Related Party [Extensible Enumeration] Revenue, Related Party, Type [Extensible Enumeration] Interest and finance costs Interest and finance costs Interest Expense, Nonoperating Cover [Abstract] Document Type Amendment Flag Document Period End Date Entity Registrant Name Entity Central Index Key Country of incorporation Entity Incorporation, State or Country Code Current Fiscal Year End Date Wholly-owned subsidiary of the Company. Traders Shipping Co. [Member] Traders Shipping Co. [Member] Wholly-owned subsidiary of the Company. Sea Genius Shipping Co. [Member] Sea Genius Shipping Co. [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 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 and bareboat charterer. Knight Ocean Navigation Co. [Member] Knight Ocean Navigation Co. [Member] Wholly-owned subsidiary of the Company and a Management company. Seanergy Shipmanagement Corp. [Member] Seanergy Shipmanagement Corp. [Member] Wholly-owned subsidiary of the Company. Prime Ocean Navigation Co. [Member] Wholly-owned subsidiary of the Company. Atsea Ventures Corp. [Member] Wholly-owned subsidiary of the Company. Emperor Holding Ltd. [Member] Emperor Holding Ltd. [Member] Wholly-owned subsidiary of the Company. King Marine Co. [Member] Wholly-owned subsidiary of the Company. Honor Shipping Co. [Member] Honor 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. Lord Ocean Navigation Co. [Member] Lord Ocean Navigation Co. [Member] Wholly-owned subsidiary of the Company. Mei Shipping Co. [Member] Mei Shipping Co. [Member] Wholly-owned subsidiary of the Company. Kaizen Shipping Co. [Member] Kaizen Shipping Co. [Member] Wholly-owned subsidiary of the Company. Fellow Shipping Co. [Member] Fellow Shipping Co. [Member] Wholly-owned subsidiary of the Company. Titan Ocean Navigation Co. [Member] Titan Ocean Navigation Co. [Member] Wholly-owned subsidiary of the Company. Niki Marine Co. [Member] Wholly-owned subsidiary of the Company and a Management company. Seanergy Management Corp. [Member] Seanergy Management Corp. [Member] Wholly-owned subsidiary of the Company. Partner Marine Co. [Member] Partner Marine Co. [Member] Wholly-owned subsidiary of the Company. Duke Shipping Co. [Member] Duke Shipping Co. [Member] Wholly-owned subsidiary of the Company and bareboat charterer. Champion Marine Co. [Member] Champion Marine Co. [Member] Wholly-owned subsidiary of the Company. Sea Glorius Shipping Co. [Member] Wholly-owned subsidiary of the Company. Friend Ocean Navigation Co. [Member] Friend Ocean Navigation Co. [Member] Wholly-owned subsidiary of the Company. Premier Marine Co. [Member] Premier Marine Co. [Member] Wholly-owned subsidiary of the Company. Squire Ocean Navigation Co. [Member] Squire Ocean Navigation Co. [Member] Wholly-owned subsidiary of the Company. Icon Ocean Navigation Co. [Member] Icon Ocean Navigation Co. [Member] Awards granted on March 6, 2026. Awarded March 6, 2026 [Member] 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] 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] Primary financial statement caption encompassing voyage expenses. Voyage Expenses [Member] Voyage Expenses [Member] The aggregate value of dividends to non-vested participating securities. Dividends to Non-vested Participating Securities Less: Dividends to non-vested participating securities 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 Sale and leaseback agreement with an affiliate of BOC Financial Leasing Corporation Limited (BOCL) for the purpose of financing the construction cost of the Newbuilding 1 scrubber fitted Newcastlemax vessel. BOCL Newbuilding 1 Sale and Leaseback [Member] BOCL Newbuilding 1 Sale and Leaseback [Member] Sale and leaseback agreement with an affiliate of BOC Financial Leasing Corporation Limited (BOCL) to finance the purchase option cost of the Partnership under the Chugoku Bank Sale and Leaseback. BOCL Partnership Sale and Leaseback Agreement [Member] BOCL Partnership Sale and Leaseback [Member] 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] 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] 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] Purchase price of vessel under a sale leaseback agreement. Sale Leaseback Agreement, Purchase Price of Vessel Purchase price of vessel 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] 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] 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] 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] Weighted average number of percentage points added to the reference rate to compute the variable rate on all debt instruments. Debt Instrument, Weighted Average Basis Spread on Variable Rate Weighted average margin on variable rate 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] 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 cash inflow from the exercise of the right of first offer under a sales-type lease. Lessor, Sales-type Lease, Down Payment Down payment advanced 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 Amount to be paid by lessee to purchase underlying asset related to sales-type lease. Lessor, Sales-type Lease, Purchase Option Purchase obligation Tabular disclosure of interest and finance costs. Interest and Finance Costs [Table Text Block] Interest and Finance Costs 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 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 The entire disclosure for interest and finance costs. Interest and Finance Costs [Text Block] Interest and Finance Costs Amount of contractual obligation to be paid in next rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date. Contractual Obligation Due in Next Rolling Twelve Months Twelve month period ending June 30, 2027 Amount of contractual obligation to be paid in second rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date. Contractual Obligation Due in Next Rolling Year Two Twelve month period ending June 30, 2028 Amount of contractual obligation to be paid in third rolling twelve months following latest statement of financial position date. For interim and annual periods when interim periods are reported on rolling approach, from latest statement of financial position date. Contractual Obligation Due in Next Rolling Year Three Twelve month period ending June 30, 2029 External customer with whom the Company does business. Customer B [Member] Customer B [Member] External customer with whom the Company does business. Customer E [Member] External customer with whom the Company does business. Customer A [Member] Customer A [Member] External customer with whom the Company does business. Customer C [Member] Customer C [Member] External customer with whom the Company does business. Customer D [Member] Customer D [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] 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] 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] Number of vessels serving as collateral under the debt instrument. Number of vessels serving as collateral Number of vessels serving as collateral 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] Vessels that are chartered on a bareboat basis under sales and leaseback agreements. Bareboat Chartered Vessels [Member] Bareboat Chartered Vessels [Member] Sale and leaseback agreement with an affiliate of Huarong to finance the cost of the Newbuilding 5 scrubber fitted Capesize vessel. Huarong Newbuilding 5 Sale and Leaseback [Member] Huarong Newbuilding 5 Sale and Leaseback [Member] Amount of purchase obligation at the expiration of the lease in a sale and leaseback transaction. Sale and Leaseback Transaction, Purchase Obligation Purchase obligation 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, 2026. O 2026-Q1 Dividends [Member] Regular Quarterly Dividend for Q1-2026 [Member] 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 second quarter ending June 30, 2026. O 2026-Q2 Dividends [Member] Regular Quarterly Dividend for Q2-2026 [Member] 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 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 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 and other income recognized on loan receivables from related parties. Related Party, Interest and Other Income Interest and other income - related party Other financial liabilities assumed by buyer upon sale of vessel in a noncash financing transaction. Other financial liabilities assumed by buyer upon sale of vessel, Noncash Financing Transaction Other financial liabilities assumed by buyer upon sale of vessel Other financial liabilities assumed by buyer upon sale of vessel in a noncash investing transaction. Other financial liabilities assumed by buyer upon sale of vessel, Noncash Investing Transaction Other financial liabilities assumed by buyer upon sale of vessel The noncash consideration given for right-of-use assets and initial direct costs. Right-of-Use Assets and Initial Direct Costs Right-of use assets and initial direct costs Noncash investing activities [Abstract] Noncash investing activities: 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: The cash outflow associated with payments made to a related party. Payments to Related Parties Due from related parties 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 The noncash additions during the period to vessels under construction, including capitalized expenditures and other directly attributable costs. Vessel Under Construction Vessels under construction Sale and leaseback agreement for the Lordship with an affiliate of Huarong to finance the purchase option cost of the Lordship under the Village Seven Sale and Leaseback. Huarong Lordship Sale and Leaseback Agreement [Member] Huarong Lordship Sale and Leaseback [Member] 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 Face amount of financial liability at time of sale and leaseback agreement. Financial Liability, Face Amount Face amount Financing amount 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 Capitalized interest for vessels under construction. Vessels Under Construction, Capitalized Interest Capitalized interest Amount of expenses capitalized for vessels under construction. Vessels Under Construction Vessels under construction Vessels under construction Beginning balance Amounts paid in advance for vessels under construction and other initial expenses. Vessels Under Construction, Advances and Other Initial Expenses Advances for vessel under construction and other initial expenses Capitalized expenditures related to improvements on vessels performance and meeting environmental standards. Capitalized Expenditures for Improvements on Vessels Performance and Meeting Environmental Standards [Member] Tabular disclosure of vessels under construction. Vessels Under Construction [Table Text Block] Vessels Under Construction A Japanese newbuilding 181,500 dwt scrubber-fitted Capesize vessel to be built by Imabari Shipbuilding Co., Ltd. Newbuilding 3 [Member] Newbuilding 3 [Member] 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 at end of bareboat period The cash outflow associated with the construction of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Payments for Vessels Under Construction Vessels under construction Payment for vessels under construction 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 Period after execution of contract to pay 40% of the purchase price of the vessel, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Term for Payment of Forty Percent of Purchase Price Term for payment of 40% of purchase price 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 Percentage of purchase price of vessel payable during the first fifteen (15) months following the execution of the agreement. Percentage of Purchase Price Payable During First Fifteen Months Percentage of purchase price payable during first 15 months Number of installment payments to be made for the construction price of a new vessel. Number of Installment Payments Number of installment payments Monthly bareboat rate charged for the vessel to the lessee under a finance lease. Lessee, Finance Lease, Monthly Bareboat Rate Monthly bareboat rate The percentage of the vessel purchase price paid. Percentage of Vessel Purchase Price Paid Percentage of purchase price paid Period after execution of contract to pay 45% of the purchase price of the vessel, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Term for Payment of Forty Five Percentage of Purchase Price Term for payment of 45% of purchase price Maximum weight of cargo and supplies that a vessel can carry, excluding the ship's own empty weight. Vessel Capacity Vessel capacity Percentage of purchase price of vessel payable during the first thirty (30) months following the execution of the agreement. Percentage of Purchase Price Payable During First Thirty Months Percentage of purchase price payable during first 30 months 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 Contract price Percentage of purchase price of vessel paid upon execution of the agreement. Percentage of Purchase Price Paid upon Execution of Agreement Percentage of purchase price paid upon execution of agreement Vessel Under Construction [Abstract] Vessels under construction [Abstract] 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] 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 Japanese newbuilding 181,500 dwt scrubber-fitted Capesize vessel (Newbuilding 7) to be built by Imabari Shipbuilding Co., Ltd. Newbuilding 7 [Member] Newbuilding 7 [Member] A 181,500 dwt scrubber-fitted Capesize vessel (Newbuilding 6) to be constructed by Hengli Shipbuilding (Dalian) Co., Ltd. and Hengli Shipbuilding (Singapore) Pte. Ltd. Newbuilding 6 [Member] Newbuilding 6 [Member] The entire disclosure for vessels under construction. Vessels Under construction [Text Block] Vessels under construction Vessels Under Construction [Abstract] Watercraft used as a means of transportation on water. Vessels [Member] Vessels [Member] Amount of decrease in accumulated depreciation, depletion and amortization of property, plant and equipment resulting from the derecognition of assets that were recognized as a net investment in sales type leases. Accumulated Depreciation, Depletion and Amortization of Property, Plant and Equipment Disposal as Sales Type Lease Disposal as sales type lease Amount of decrease in the gross carrying amount of property, plant, and equipment resulting from the derecognition of assets that were recognized as a net investment in sales type leases. Property, Plant and Equipment, Disposal as Sales Type Lease Disposal as sales type lease Substance, such as oil or grease, used for minimizing friction, especially in an engine, that is stored as inventory. Lubricants [Member] Lubricants [Member] 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 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 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 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 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] 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] 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] Facility agreement entered into on June 17, 2026 with Alpha Bank S.A. for a $13,000 term loan for the financing of the Dukeship. June 2026 Alpha Bank Loan Facility [Member] June 2026 Alpha Bank Loan Facility [Member] 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] 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 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] Transactions with Related Party [Abstract] Transactions with Related Party [Abstract] A capesize vessel acquired on November 26, 2021. Dukeship [Member] Dukeship [Member] A capesize vessel acquired on November 10, 2015. Squireship [Member] Squireship [Member] Sales price of long-lived, physical asset used in the normal conduct of business. Property, Plant and Equipment, Sales price Sales price 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 Tabular disclosure of subsidiaries included in the consolidated financial statements. Subsidiaries in Consolidation [Table Text Block] Subsidiaries in Consolidation ATHEX: SHIPB1 is a 5-year corporate bond issued with a fixed annual coupon rate of 4.90% and features a total issuance amount of Euro 100 million and trades on the Athens Stock Exchange. SHIPB1 [Member] Bonds [Member] Wholly-owned subsidiary of the Company. Mega Marine Co. [Member] Wholly-owned subsidiary of the Company. World Shipping Co. [Member] World Shipping Co. [Member] Bareboat charterer. Flag Marine Co. [Member] Flag Marine Co. [Member] Wholly-owned subsidiary of the Company. Partner Shipping Co. Limited [Member] Partner Shipping Co. Limited [Member] Current assets minus current liabilities. Working Capital Working capital deficit The name of vessel. Vessel Name Vessel name Date the vessel was delivered to the entity. Date of Delivery Date of Delivery 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] 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] Summarization of information for subsidiaries included in the consolidated financial statements. Subsidiaries in Consolidation [Table] Subsidiaries in Consolidation [Table] 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