Class of Stock [Axis] Series A Preferred Stock [Member] Series B Preferred Stock [Member] Product and Service [Axis] Origination Revenue [Member] Service [Member] Underwriting Income [Member] Leasing Revenue [Member] Investment Interest [Member] Other Revenue [Member] Equity Components [Axis] Preferred Stock Series A [Member] Preferred Stock Series B [Member] Common Stock [Member] Additional Paid-in Capital [Member] Retained Earnings [Member] Noncontrolling Interest [Member] Statistical Measurement [Axis] Minimum [Member] Maximum [Member] Counterparty Name [Axis] In Trust For 1 [Member] In Trust For 2 [Member] Cash Payment 1 [Member] Legal Entity [Axis] J.W. Korth [Member] Cash Payment 2 [Member] Business Combination [Axis] KDM Stafford LLC [Member] Title and Position [Axis] Lessor [Member] Deferred Revenue Arrangement Type [Axis] New Loan Deferrals [Member] Amortization Of Deferrals [Member] Director [Member] Plan Name [Axis] 2019 Stock Option Plan [Member] Award Type [Axis] Options [Member] Equity Option [Member] Series A Cumulative Perpetual Convertible Preferred Stock [Member] Related and Nonrelated Parties [Axis] Subsidiaries [Member] Series B Cumulative Perpetual Convertible Preferred Stock [Member] Long-Term Debt, Type [Axis] Securities [Member] Measurement Frequency [Axis] Fair Value, Recurring [Member] Fair Value Hierarchy and NAV [Axis] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Mortgages [Member] Non-MSN Securities [Member] Investment Type [Axis] Mortgage Servicing [Member] Long-Lived Asset, Class [Axis] Land and Building [Member] Equipment [Member] Furniture and Fixtures [Member] MFB Line [Member] Segments [Axis] Lending and Servicing [Member] Investment Incomes [Member] Asset Management [Member] Rental Income [Member] Other [Member] Investment Revenue [Member] Cover [Abstract] Document Type Amendment Flag Amendment Description Document Registration Statement Document Annual Report Document Quarterly Report Document Transition Report Document Shell Company Report Document Shell Company Event Date Document Period Start Date Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Current Fiscal Year End Date Entity File Number Entity Registrant Name Entity Central Index Key Entity Primary SIC Number Entity Tax Identification Number Entity Incorporation, State or Country Code Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Three Entity Address, City or Town Entity Address, State or Province Entity Address, Country Entity Address, Postal Zip Code Country Region City Area Code Local Phone Number Extension Written Communications Soliciting Material Pre-commencement Tender Offer Pre-commencement Issuer Tender Offer Title of 12(b) Security No Trading Symbol Flag Trading Symbol Security Exchange Name Title of 12(g) Security Security Reporting Obligation Annual Information Form Audited Annual Financial Statements Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Elected Not To Use the Extended Transition Period Document Accounting Standard Other Reporting Standard Item Number Entity Shell Company Entity Public Float Entity Bankruptcy Proceedings, Reporting Current Entity Common Stock, Shares Outstanding Documents Incorporated by Reference [Text Block] Statement [Table] Statement [Line Items] ASSETS Cash and Cash Equivalents Restricted Cash Mortgages Owned Mortgage Servicing Rights, at Fair Value Portfolio Loans Loans Held for Sale Securities Right-of-Use (ROU) Leased Asset Goodwill Property and equipment, net of depreciation Land - Joint Venture Other Assets TOTAL ASSETS LIABILITIES AND  STOCKHOLDERS' EQUITY LIABILITIES Escrows Payable Lease Liability Deferred Revenue, net Deferred Tax Liability, net Line of Credit Payable Mortgage Secured Notes Payable Warehouse Line of Credit, net Notes Payable - Joint Venture Other Liabilities and Payables Total Liabilities STOCKHOLDERS' EQUITY Accumulated Deficit Additional Paid-in Capital Common Stock, $0.001 par value, 60,000,000 shares authorized 5,000,000 shares issued and outstanding at June 30, 2026 and December 31, 2025 Preferred stock value Non-Controlling Interest Total Stockholders' Equity TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY Common stock, par value (in dollars per share) Common stock, shares authorized Common stock, shares issued Common stock, shares outstanding Preferred stock, par value (in dollar per share) Preferred stock, shares authorized Preferred stock, shares issued Preferred stock, shares outstanding REVENUES Total Revenues COST OF REVENUES Broker Underwriting Expense Administrative Expenses Total Cost of Revenues GROSS PROFIT OPERATING EXPENSES Office Compensation and Related Benefits Professional & Legal Advertising Depreciation Total Expenses Income From Operations Other Income (Expense) Unrealized Gain (Loss) on Mortgages Unrealized Loss on Mortgage Secured Notes Unrealized (Loss) Gain on Investment Interest Income Interest Expense Realized Gain on Foreclosure Realized Loss on Loans Held for Sale Realized Gain on Securities Employee Retention Credit Change in Fair Value of Mortgage Secured Notes Loss on Foreclosures Total Other Income Income before provision for income taxes Provision for income taxes Net Income Less: Net Income attributable to non-controlling interest Net Income attributable to Korth Direct Mortgage, Inc Series A Preferred Dividends Series B Preferred Dividends Net (Loss) Income attributable to common stockholders Beginning balance, value Beginning balance, shares Share-based compensation Series A & Series B preferred stock dividends declared Redemptions to Fund Contributions to Fund Net Income Ending balance, value Ending balance, shares Statement of Cash Flows [Abstract] Net Cash (Used in) Provided by Operating Activities: Net Income Adjustments to Reconcile Net Income to: Unrealized (Gain) Loss on Mortgages Owned Unrealized Loss on Mortgage Secured Notes Unrealized Loss (Gain) on Investment Realized Gain on Foreclosure Realized Loss on Loans Held for Sale Gain on cancellation of debt Loss on Foreclosures Stock-Based Compensation Depreciation Amortization of loan costs Deferred rent expense from operating lease Deferred income taxes Changes in Operating Assets and Liabilities: Mortgage Secured Notes Issued Restricted Investment Portfolio Loans Loans Held For Sale, at Fair Value Other Assets Deferred Revenue, net Escrow Payable Other Liabilities and Payables New Mortgage Lending Mortgage Loans Matured/Paid Off Total Adjustments NET CASH PROVIDED BY OPERATING ACTIVITIES CASH FLOWS FROM INVESTING ACTIVITIES Purchase of property and equipment Disposals of property and equipment NET CASH (USED IN) PROVIDED BY INVESTING ACTIVITIES CASH FLOWS FROM FINANCING ACTIVITIES Payment of Series A/B preferred stock dividends Warehouse Line of Credit “LOC” (Redemptions) Contributions to Fund NET CASH USED IN FINANCING ACTIVITIES NET (DECREASE) INCREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH CASH, CASH EQUIVALENTS AND RESTRICTED CASH – Beginning of Period CASH, CASH EQUIVALENTS AND RESTRICTED CASH – End of Period SUPPLEMENTAL DISCLOSURE OF CASH FLOWS INFORMATION Cash paid during the six months for interest Income taxes paid, net of refunds Federal State NON-CASH INVESTING AND FINANCING ACTIVITIES Fair value of assets acquired in settlement in lieu of foreclosure Land aquired through assumption of existing mortgage debt Organization, Consolidation and Presentation of Financial Statements [Abstract] NATURE OF BUSINESS Accounting Policies [Abstract] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Debt Disclosure [Abstract] MORTGAGE SECURED NOTES PAYABLE Restricted Cash And Investments RESTRICTED CASH AND INVESTMENTS Acquisition Disposition Of Rental Property ACQUISITION & DISPOSITION OF RENTAL PROPERTY Commitments and Contingencies Disclosure [Abstract] COMMITMENTS AND CONTINGENCIES Indemnifications INDEMNIFICATIONS Related Party Transactions [Abstract] RELATED PARTY TRANSACTIONS Revenue Recognition and Deferred Revenue [Abstract] DEFERRED REVENUE, NET Share-Based Payment Arrangement [Abstract] EMPLOYEE AND DIRECTOR STOCK OPTIONS Equity [Abstract] PREFERRED EQUITY Fair Value Disclosures [Abstract] FAIR VALUE Income Tax Disclosure [Abstract] INCOME TAXES Property, Plant, and Equipment [Abstract] PROPERTY AND EQUIPMENT Lines Of Credit LINES OF CREDIT VARIABLE INTEREST ENTITIES Segment Reporting [Abstract] SEGMENT REPORTING Subsequent Events [Abstract] SUBSEQUENT EVENTS Insider Trading Arrangements [Line Items] Rule 10b5-1 Arrangement Adopted [Flag] Non-Rule 10b5-1 Arrangement Adopted [Flag] Rule 10b5-1 Arrangement Terminated [Flag] Non-Rule 10b5-1 Arrangement Terminated [Flag] PRINCIPLES OF CONSOLIDATION BASIS OF ACCOUNTING USE OF ESTIMATES CASH, CASH EQUIVALENTS AND RESTRICTED CASH MORTGAGE VALUATION MORTGAGE SECURED NOTES (“MSNs”) PORTFOLIO LOANS LOANS HELD FOR SALE PARTICIPATIONS GOODWILL REVENUE RECOGNITION LEASES STOCK-BASED COMPENSATION Unrealized Gain on Mortgages DUE TO CLEARINGHOUSE BROKERS DEPRECIATION INCOME TAXES RECENT ACCOUNTING PRONOUNCEMENTS DEBT ISSUANCE COSTS Schedule of cash and cash equivalents Scheduled of principal payments Schedule of future undiscounted lease income Schedule of future minimum rental payments for operating leases Schedule of loan originating fees and costs deferred and amortized Schedule of stock option activity Schedule of fair value, assets and liabilities measured on recurring basis Schedule of statements of financial condition Schedule of quantitative information Schedule of property, plant and equipment Schedule of business segments Schedule of segment operations Cash, Cash Equivlents and Restricted Cash FDIC Insured Amount Mortgage secured notes funded Mortgage secured notes redeemed Portfolio loans issued Portfolio loans Loans held for sale Loan participations Rental revenue Expected dividend yield Due to clearinghouse brokers Last 6 months of 2026 2027 2028 2029 2030 Thereafter Total Schedule of Long-Term Debt Instruments [Table] Debt Instrument [Line Items] Funded loans Secured loans Interest Percentage Account balance Escrow deposit Cash Restricted cash collected from borrowers in savings account Restricted cash Last 6 months 2026 2027 2028 2029 2030 Thereafter Total Restructuring Cost [Table] Restructuring Cost and Reserve [Line Items] Net income attributable to non-controlling interest Depreciation expense 2026 Total Lease Payments Less: Imputed Interest Present Value of Lease Liabilities Rent expense Weighted-average discount rate Weighted-average remaining life Present value of lease liabilities Deferred origination fees Deferred origination costs Deferred revenue, net Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Options outstanding number, beginning balance Weighted average exercise price, beginning balance Weighted remaining contractual life (years), beginning Options granted number Weighted average exercise price granted Options expired or forfeited number Weighted average exercise price expired or forfeited Options outstanding number, ending balance Options, outstanding, weighted average exercise price, ending balance Weighted remaining contractual life (years), ending Options exercisable number Options exercisable weighted average exercise price Option exercisable, weighted remaining contractual life (years) Options expected to vest number Weighted average exercise price expected to vest Number of shares to purchase Stock-based compensation expense Common stock available to be issued Stock, Class of Stock [Table] Class of Stock [Line Items] Issue of shares Preferred stock, par value Proceeds from issuance of shares Prepaid Expenses Amount of conversion Shares sold Proceeds from convertible debt Series A preferred stock (in shares) Series A preferred stock value Interest expense Stock issuance cost Percentage of dividend payable if and when declared Share price Preferred stock, redemption price per share Fair Value, Recurring and Nonrecurring [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Mortgage Servicing Non- MSN Securities Total Financial Assets Mortgage Secured Notes Payable Warehouse Line of Credit Total Financial Liabilities Ending balance at ending Unrealized Gain from newly issued mortgages Fair Value adjustment Fair Value Valuation technique Unobservable inputs Values Default bonds shares Default bonds par value Default bonds amount Income tax benefit Effective tax rate Income (loss) before income taxes Federal statutory rate Property, Plant, and Equipment [Table] Property, Plant, and Equipment [Line Items] Total Accumulated depreciation Net property equipment Depreciation expense Warehouse costs Unamortized deferred loan costs Interest expense Borrowing capacity Line of credit Contribution joint venture and mortgages Segment Reporting [Table] Segment Reporting [Line Items] Broker Expenses Total Cost of Revenues GROSS PROFIT Professional & Legal Advertising Total Operating Expenses EBITDDA Restricted cash Mortgages Owned Portfolio Loans Loans held for Sale, at Fair Value ROU Leased Asset Other Assets Total Assets Unrealized Loss on Mortgages Unrealized Loss on Investment Interest Expense Realized gain on Securities Realized Gain on Foreclosure Employee Retention Credit Total Other Income Income before provision for income taxes Bank Transaction Fees Administrative Expenses Ground Rent Property Taxes Professional & Legal Utilities Business Insurance Net Operating (Loss) Income Mortgage Interest Total Other Expenses Net (Loss) Income Total Revenues Office Compensation and Related Benefits Utilities Total Operating Expenses Net Operating Income (Loss) Unrealized Gain on Mortgages Unrealized Gain on Mortgage Secured Notes Interest Expense Unrealized Gain on Investment Total Other Income (Expenses) Income (Loss) before provision for income taxes Interest Income Realized Loss on Loans Held for Sale Restricted Cash Property and equipment, net of depreciation Total Assets The element represents origination revenue member. The element represents underwriting income member. The element represents other revenue member. The element represents dividends preferred stock stock a and b. The element represents j w korth member. The element represents operating leases future minimum payments due imputed interest. The element represents amortization of deferred loan origination cost net. The element represents deferred revenue net. The element represents new loan deferrals member. The element represents amortization of deferrals member. The element represents series a cumulative perpetual convertible preferred stock member. The element represents series b cumulative perpetual convertible preferred stock member. The element represents percentage of dividend payable if and when declared. The element represents assets fair value disclosure1. The element represents total financial assets. The element represents warehouse lineof credit. The element represents total financial liabilities. The element represents mortgage servicing member. The element represents securities member. Assets Liabilities and Equity Cost of Revenue Gross Profit RealizedGainOnSecurities ChangeInFairValueOfMortgageSecuredNotes Nonoperating Income (Expense) NetIncomeBeforeNoncontrollingInterest Shares, Outstanding Dividends Preferred Stock Stock A and B Net Income (Loss) Available to Common Stockholders, Basic UnrealizedGainOnMortgagesOwned UnrealizedLossOnMortgageSecuredNotes UnrealizedLossGainOnInvestment RealizedGainOnForeclosure Depreciation, Depletion and Amortization Increase (Decrease) of Restricted Investments Increase (Decrease) in Other Loans IncreaseDecreaseInOtherAssets Increase (Decrease) in Deferred Revenue IncreaseDecreaseInOtherLiabilitiesAndPaybles Increase (Decrease) in Loan, Mortgage, Held-for-Sale MortgageLoansMaturedpaidOff Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Payments to Acquire Property, Plant, and Equipment Cash Provided by (Used in) Investing Activity, Including Discontinued Operation PaymentOfSeriesAPreferredStockDividends WarehouseLineOfCreditLoc Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Excluding Exchange Rate Effect, Including Discontinued Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Tax, Policy [Policy Text Block] Long-Term Debt Lessee, Operating Lease, Liability, to be Paid, Year Two Lessee, Operating Lease, Liability, to be Paid, Year Three Lessee, Operating Lease, Liability, to be Paid, Year Four Lessee, Operating Lease, Liability, to be Paid, Year Five Lessee, Operating Lease, Liability, to be Paid, after Year Five Operating leases future minimum payments due imputed interest Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Liabilities, Fair Value Disclosure Property, Plant, and Equipment, before Accumulated Depreciation, Depletion, and Amortization Property, Plant, and Equipment, Accumulated Depreciation, Depletion, and Amortization Long-Lived Asset, Change to Plan of Sale, Reclassification from Held-for-Sale to Held-and-Used, Depreciation Expense InterestExpense1 ProfessionalAndLegal Advertising Expense MortgagesOwned PortfolioLoan OtherAsset UnrealizedLossOnInvestment AdministrativeExpenses ProfessionalLegal Revenue from Contract with Customer, Including Assessed Tax OfficeExpense Other Labor-related Expenses UtilitiesOperatingExpenses Costs and Expenses UnrealizedGainlossOnMortgages InterestIncome RealizedLossOnLoansHeldForSales CashRestricted Property, Plant, and Equipment, Other, after Accumulated Depreciation