Insider Trading Arrangements [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Additional paid-in capital Amortization of deferred financing costs Consolidated Statements of Assets and Liabilities [Abstract] Net increase (decrease) in net assets resulting from operations per share - basic (in dollars per share) Original issue discount amortized Cash equivalents Cash Equivalents, at Carrying Value Cash Equivalents [Abstract] Cash Equivalents, at Carrying Value [Abstract] Purchases of investments Payments for Purchase of Securities, Operating Activities Proceeds from sales of investments Proceeds from Sale of Securities, Operating Activities Cash paid for interest Credit facility interest payable Increase (Decrease) in Interest Payable, Net Interest receivable Increase (Decrease) in Accrued Interest Receivable, Net Prepaid expenses Increase (Decrease) in Prepaid Expense Changes in operating assets and liabilities: Due to Shareholder Other payables Commitments, Contingencies, and Risks Commitments and Contingencies Disclosure [Text Block] Common stock shares authorized (in shares) Common stock, shares authorized (in shares) Common stock, shares issued (in shares) Common stock, shares outstanding (in shares) Shares outstanding at end of period (in shares) Common shares, $0.001 par value (200,000,000 shares authorized, 8,964,250 and 7,687,482 shares issued and outstanding as of September 30, 2024 and December 31, 2023 respectively) Common Stock, Value, Issued Credit facility payable Borrowings Maturity date Debt Instrument, Maturity Date Unamortized discount Ordinary income Total Deferred Tax Assets, Gross Net accretion of discounts and amortization of premiums Net increase (decrease) in net assets resulting from operations per share - diluted (in dollars per share) Basis of Consolidation Consolidation, Policy [Policy Text Block] Distributions paid Payments of Distributions to Affiliates Distributions Payable Payments of Ordinary Dividends Date Declared Dividends Payable [Line Items] Dividends Payable [Table] Effective Income Tax Rate Reconciliation, Percent [Abstract] Federal excise tax rate based on distribution requirements Equity ownership Equity Method Investment, Ownership Percentage Equity Securities [Member] Fair Value of Financial Instruments Net gain (loss) General and administrative fees Reimbursement expenses included in general and administrative fees Consolidated Statements of Operations [Abstract] Net increase (decrease) in net assets resulting from operations Net increase (decrease) in net assets resulting from operations Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Income Tax Contingency [Line Items] Income Tax Contingency [Table] Income Taxes Income Tax Disclosure [Text Block] Uncertain income tax positions Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Income Taxes Income Tax, Policy [Policy Text Block] Statutory U.S. federal excise Tax Interest expense Interest income Interest Income, Operating Interest receivable Total expenses after fee waivers Investment Income, Investment Expense Investments [Abstract] Total liabilities Liabilities LIABILITIES Liabilities [Abstract] Unused commitment fees Average stated interest rate Line of Credit Facility, Lender [Domain] Secured credit facility commitment Line of Credit Facility, Maximum Borrowing Capacity Credit Facility Commitment [Abstract] Line of Credit Facility [Abstract] Lender Name [Axis] Line of Credit Facility [Line Items] Line of Credit Facility [Table] Revolving Credit Line [Member] Legal expenses Related Party [Axis] Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Cash flows from financing activities: Net cash provided by (used in) operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from operating activities: Net investment income Net investment income Net Investment Income Director expenses Director expenses Professional fees Organization and Principal Business Other payables Other Liabilities Amount Paid in Cash Distributions Declared, Recorded, Subsequent Payment and Issuance [Abstract] Payments of Dividends [Abstract] Proceeds from issuance of common stock Proceeds from Issuance of Common Stock Proceeds from credit facility Related Party [Domain] Related Party Transaction [Line Items] Transactions with Related Parties Schedule of Related Party Transactions, by Related Party [Table] Repayments of credit facility Repayments of Lines of Credit Payments in repurchase of shares Payments for Repurchase of Common Stock Accumulated undistributed (overdistributed) earnings Distributions Revenue Recognition, Dividends [Policy Text Block] Revenue Recognition Revenue [Policy Text Block] Secured Credit Facility Commitment Summary of Significant Accounting Policies Consolidated Statements of Cash Flows [Abstract] Consolidated Statements of Changes in Net Assets [Abstract] NET ASSETS Equity, Attributable to Parent [Abstract] Stock Issuances Equity [Text Block] Subsequent Event Type [Axis] Subsequent Event [Line Items] Subsequent Event [Table] Subsequent Event Type [Domain] Supplemental disclosures of cash flow information: Purchase price (in dollars per share) Warrants [Member] Warrant [Member] Weighted average shares outstanding - diluted (in shares) Weighted average shares outstanding - basic (in shares) Common Stock [Member] Cash Preferred Equity Securities [Member] Preferred Stock [Member] Total assets Assets Dividend income Amount Per Share (in dollars per share) Dividend per share (in dollars per share) Fair Value, by Balance Sheet Grouping [Table] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Statement [Table] ASSETS Assets [Abstract] Statement [Line Items] Fair Value Measurements of Investments, by Major Class Changes in Fair Value of Investments that Use Level 3 Inputs Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair value, beginning of period Fair value, end of period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Changes in Fair Value of Level 3 Portfolio Investments [Abstract] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Level 2 [Member] Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Stock Issuances [Abstract] Fair Value Measurements Investments Outstanding Commitments Long-Term Purchase Commitment [Table] Long-Term Purchase Commitment [Line Items] Aggregate unfunded commitment amount Total Unamortized deferred financing costs Debt Issuance Costs, Net Shares of Common Stock Purchased Class of Treasury Stock [Table] Equity, Class of Treasury Stock [Line Items] INVESTMENT INCOME Operating expenses: Potentially dilutive securities (in shares) Per common share data: Earnings Per Share [Abstract] Earnings Per Share [Abstract] Earnings per Share Earnings Per Share, Policy [Policy Text Block] Common stock par value (in dollars per share) Common stock, par value (in dollars per share) Unamortized Deferred Financing Costs Total net assets Beginning balance Ending balance Equity, Attributable to Parent Other income Amendment, waiver, and consent fees Equity Components [Axis] Additional Paid-in Capital [Member] Accumulated Undistributed (Overdistributed) Earnings [Member] Retained Earnings [Member] Equity Component [Domain] Amount of realized gain (loss) on investments Net realized gain (loss) on investments Realized Investment Gains (Losses) Deferred financing cost Issuance of common shares Stock Issued During Period, Value, New Issues Stock issued in connection with dividend reinvestment plan Amount Settled via Newly Issued Shares Dividend reinvestment amount Shares issued (in shares) Issuance of common shares (in shares) Stock issued in connection with dividend reinvestment plan (in shares) Stock issued in connection with dividend reinvestment plan (in shares) Common stock repurchase (in shares) Purchase of shares in repurchase offer Stock Repurchased During Period, Value Purchase of shares in repurchase offer (in shares) Stock Repurchased During Period, Shares Record Date Dividend declared record date Supplemental and non cash financing activities: Common stock repurchased Treasury Stock, Value, Acquired, Cost Method Distributions declared to stockholders Dividends, Common Stock Shares issued (in shares) Commitments and contingencies (Note 11) Dividends, amount paid in cash Adjustments to reconcile net increase (decrease) in net assets resulting from operations to net cash provided (used in) operating activities: Professional fees payable Director expense payable Prepaid expenses Industry Sector [Domain] Transactions with Affiliated Companies Fair Value Hierarchy and NAV [Domain] Repurchases of Common Stock [Abstract] Purchases of investments and other adjustments to cost Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Proceeds from sales of investments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales Transfer into Level 3 Transfer out of Level 3 Interest income Organization and Principal Business [Abstract] Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding Fair Value Hierarchy and NAV [Axis] Components of Distributions Declared Commitments, Contingencies, and Risks [Abstract] Income Taxes [Abstract] Fair Value Measurements Investments [Abstract] Subsequent Events Borrowings [Abstract] Fair value of borrowings outstanding Use of Estimates Segments Summary of Quantitative Inputs and Assumptions Used for Items Categorized in Level 3 Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Summary of Significant Accounting Policies [Abstract] Segment Reporting [Abstract] Transactions with Related Parties [Abstract] Subsequent Events [Abstract] Schedule of Investments [Abstract] Payment/Issuance Date Amount of unrealized gains (loss) on investments Unrealized Gain (Loss) on Investments Investments [Domain] Basis of Presentation Distributions Declared [Abstract] Deferred Tax Assets, Net of Valuation Allowance [Abstract] Dividends [Axis] Dividends [Domain] Subsequent Event [Member] Proceeds from stock issued in connection with dividend reinvestment plan Recent Accounting Pronouncements Interest and Other Debt Financing Expenses, Average Outstanding Balances and Average Stated Interest Rates Management fees payable, net of fee waivers (Note 6) Management fee payable Secured Credit Facility [Member] Credit Facility [Axis] Credit Facility [Domain] Number of operating unit Number of reportable segment Fair Value Measurement Inputs and Valuation Techniques [Abstract] Fair Value Measurement Inputs and Valuation Techniques [Abstract] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Domain] Fixed Income Investments [Member] Investments Investment [Text Block] Investments with Controlled Affiliates Investments in and Advances to Affiliates [Table Text Block] Ending value Beginning value Investments at fair value Fair value Amount Net unrealized appreciation/(depreciation) from investments Investment, Tax Basis, Unrealized Gain (Loss) Investments [Abstract] Investments at fair value: Investment Owned, Balance [Abstract] Aggregate Gross Unrealized Appreciation and Depreciation from Investments for Federal Income Tax Purposes [Abstract] Investment, Tax Basis, Unrealized Gain (Loss) [Abstract] Investment Holdings [Table] Summary of Investment Holdings [Line Items] Amortized cost Amount Aggregate amortized tax of investments Principal, Shares, Units Investment Owned, Balance, Principal Amount Investment Type [Axis] Net assets at end of period Tax Cost of Investment Investment, Tax Basis, Cost Securities Investment [Member] Unrealized depreciation Investment, Tax Basis, Unrealized Loss Unrealized appreciation Other than Securities Investment [Member] Transfers in/(out) of affiliates Investments for Federal Income Tax Schedule of Investments [Table] Schedule of Investments [Line Items] Percentage of net assets Percentage of net assets Interest Rate Interest rate Debt Instrument, Basis Spread on Variable Rate Investments, Fair Value Disclosure [Abstract] Management fees (Note 6) Management fees Industry Sector [Axis] Incentive fees (Note 6) Incentive fees paid Price per share (in dollars per share) Total investment income Gross Investment Income, Operating Distributions Declared, Recorded, Subsequent Payment and Issuance Variable Rate [Axis] Variable Rate [Domain] Treasury Stock [Member] Treasury Stock, Common [Member] Net asset value per share (in dollars per share) Net asset value at beginning of period (in dollars per share) Net asset value at end of period (in dollars per share) Disaggregation of Revenue [Table] Disaggregation of Revenue [Line Items] Revenue Recognition [Abstract] Revenue from Contract with Customer [Abstract] Financial Highlights [Abstract] Financial Highlights Investment Company, Financial Highlights [Text Block] Financial Highlights Net investment income (loss) (in dollars per share) Net realized and unrealized gain (loss) (in dollars per share) Stockholder distributions (in dollars per share) Investment Company, Distribution to Shareholders, Per Share Ratio/Supplemental data [Abstract] Investment Company, Financial Ratios [Abstract] Total return Payment of total dividend distribution Total capital commitments Capital commitments Ownership percentage Investment Company, Capital Commitments [Abstract] Investment Company, Net Assets [Roll Forward] Per share data [Roll Forward] Investment Company, Financial Highlights [Roll Forward] Net increase (decrease) in net assets resulting from operations (in dollars per share) Net increase (decrease) in Cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Cash, end of period Cash, beginning of period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Transactions with Affiliated Companies [Abstract] Measurement Input Type [Axis] Revenue Multiple [Member] Measurement Input Type [Domain] Discounted Cash Flow Rate [Member] Measurement Input EBITDA Multiple [Member] Entertainment [Member] Entertainment [Member] SOFR [Member] Portfolio Investments Investment [Table Text Block] Maturity date Investment Maturity Date Average debt outstanding Investment, Issuer Affiliation [Axis] Investment, Issuer Affiliation [Domain] Non-controlled/Non-affiliated Investments [Member] Non-controlled/Non-affiliated Investments [Member] Investment, Affiliated Issuer [Member] Controlled/Affiliate Investments [Member] Controlled Affiliate Company [Member] Affiliated Company [Member] Investment, Issuer Affiliation [Extensible Enumeration] Investment, Issuer Name [Extensible Enumeration] Acquisition date Investment, Type [Extensible Enumeration] Basis spread on variable rate Net realized gain (loss) on investments Net realized gain (loss) Net realized (gain) loss on investments Net change in unrealized gain (loss) on investments Net change in unrealized gain (loss) on investments Net change in unrealized (gain) loss on investments Incentive fees payable, net of fee waivers (Note 6) Increase (Decrease) in Incentive Fee Payable Midwest [Member] West [Member] Northeast [Member] Southeast [Member] South [Member] Southwest [Member] East [Member] Investment, Identifier [Axis] Investment, Significant Unobservable Input [true false] Summary of Issuance of Shares [Abstract] Investment Company, Capital Share Transactions, Stock Issued [Abstract] Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Title and Position [Domain] Investment, Name [Domain] Director [Member] Investment, Name [Axis] Geographic [Domain] Geographic [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Maximum [Member] Minimum [Member] Weighted Average [Member] Title and Position [Axis] North America [Member] Cover [Abstract] Document Type Document Quarterly Report Document Transition Report Entity Interactive Data Current Amendment Flag Document Fiscal Year Focus Document Fiscal Period Focus Document Period End Date Legal Entity [Axis] Entity [Domain] Entity Registrant Name Entity Central Index Key Entity File Number Entity Tax Identification Number Entity Incorporation, State or Country Code Current Fiscal Year End Date Entity Current Reporting Status Entity Shell Company Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Ex Transition Period 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 City Area Code Local Phone Number Entity Common Stock, Shares Outstanding Amount of investment paydown receivable for investments sold. Paydown Receivable Paydown receivable The cumulative amount of the reporting entity's contribution receivable. Contribution Receivable Contribution receivable This element represents reimburse of certain expenses from subsidiaries. Reimbursement Expense Payable Reimbursement expense payable Amount of income-based fee payable for management of operations based on performance under arrangement, including, but not limited to, investment. Income-based Incentive Fee Payable Incentive fees payable, net of fee waivers (Note 6) Subscriptions for trust units received in advance. Subscriptions Received in Advance Subscriptions received in advance The amount of liquidating distributions payable. Distributions Payable Distributions payable Carrying value as of the balance sheet date of obligations incurred through that date and payable for legal fees. Legal Fees Payable, Current and Noncurrent Legal fees payable Payable for redemption of units. Redemptions Payable Redemptions payable Including the current and noncurrent portions, carrying value as of the balance sheet date of a written promise to pay a note and interest payable. Credit Facility Interest Payable Credit facility interest payable The minimum number of business days required to inform the entity for receiving dividend in cash or in combination of cash and common stock, in P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Minimum Number of Business Days Prior Notice Minimum number of business days prior notice Remaining amount of stockholders equity available to drawn by the company. Remaining Amount Available to Drawn Amount drawn by the company Number of shares issued during the period from a shares issued and dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the shareholders to reinvest dividends paid to them by the entity on new issues of stock by the entity. Stock Issued During Period, Shares, Issued and Dividend Reinvestment Plan Stock issued and proceeds in connection with dividend reinvestment plan (in shares) Amount of cash inflow from capital contributions to an entity associated with a stock issued and dividend reinvestment plan. Proceeds from Issuance of Common Stock, Issued and Dividend Reinvestment Plan Stock issued and proceeds in connection with dividend reinvestment plan The cash inflow from the additional capital contribution made by stockholders. Proceeds from Contribution from Stockholder Net contributions made by stockholders Tabular disclosure of the number of issuance shares. Summary of the Issuance of Shares [Table Text Block] Summary of Issuance of Shares Type of debt instrument. Senior Unsecured Notes [Member] Senior Unsecured Notes [Member] Senior Unsecured Notes [Member] Type of debt instrument. Fund Investments [Member] Fund Investments [Member] Type of debt instrument. Second Lien Senior Secured Loan [Member] Second Lien Senior Secured Loan [Member] Ownership interest or right to acquire or dispose of ownership interest in corporations and other legal entities for which ownership interest is represented by shares of common or preferred stock, convertible securities, stock rights, or stock warrants, preferred equity securities four. Preferred Equity Securities Four [Member] Preferred Equity Securities Four [Member] Ownership interest or right to acquire or dispose of ownership interest in corporations and other legal entities for which ownership interest is represented by shares of common or preferred stock, convertible securities, stock rights, or stock warrants, preferred equity securities one. Preferred Equity Securities One [Member] Preferred Equity Securities One [Member] Valuation technique calculating present value of future enterprise value method. Valuation Technique Enterprise Value Method [Member] Enterprise Value Method [Member] Ownership interest or right to acquire or dispose of ownership interest in corporations and other legal entities for which ownership interest is represented by shares of common or preferred stock, convertible securities, stock rights, or stock warrants, preferred equity securities two. Preferred Equity Securities Two [Member] Preferred Equity Securities Two [Member] Measurement input using market yield to determine fair value. Measurement Input Market Yield [Member] Market Yield [Member] Measurement input using gross profit multiple to determine fair value. Gross Profit Multiple [Member] Gross Profit Multiple [Member] Type of debt instrument. Warrants and Other Equity Securities [Member] Warrants and Other Equity Securities [Member] Type of debt instrument warrants and other equity securities one. Warrants And Other Equity Securities One [Member] Warrants And Other Equity Securities One [Member] Type of debt instrument warrants and other equity securities three. Warrants And Other Equity Securities Three [Member] Warrants And Other Equity Securities Three [Member] Type of debt instrument warrants and other equity securities two. Warrants And Other Equity Securities Two [Member] Warrants And Other Equity Securities Two [Member] Type of debt instrument. First Lien Senior Secured Loan [Member] First Lien Senior Secured Loan [Member] Debt instrument issued by corporations, governments and governmental agencies, municipalities, and other institutions, first lien senior secured loan three. First Lien Senior Secured Loan Three [Member] First Lien Senior Secured Loan Three [Member] Debt instrument issued by corporations, governments and governmental agencies, municipalities, and other institutions, first lien senior secured loan four. First Lien Senior Secured Loan Four [Member] First Lien Senior Secured Loan Four [Member] Debt instrument issued by corporations, governments and governmental agencies, municipalities, and other institutions, first lien senior secured loan two. First Lien Senior Secured Loan Two [Member] First Lien Senior Secured Loan Two [Member] Debt instrument issued by corporations, governments and governmental agencies, municipalities, and other institutions, first lien senior secured loan one. First Lien Senior Secured Loan One [Member] First Lien Senior Secured Loan One [Member] Ownership interest or right to acquire or dispose of ownership interest in corporations and other legal entities for which ownership interest is represented by shares of common or preferred stock, convertible securities, stock rights, or stock warrants, preferred equity securities three. Preferred Equity Securities Three [Member] Preferred Equity Securities Three [Member] The percentage of pro-rata portion of individual securities, if available, that are reported by the underlying portfolio funds that exceed of capital balance. Percentage of Portfolio Funds Exceed Capital Balance Percentage of portfolio funds exceed capital balance Commitments, Contingencies, and Risk [Abstract] Commitments, Contingencies, and Risks [Abstract] The amount of total outstanding commitments to direct Investments. Outstanding Commitments to Direct Investments Direct Investments The amount of total outstanding commitments to fund Investments. Outstanding Commitments To Fund Investment Fund Investments Name of the company. Qualified Digital, LLC [Member] Qualified Digital, LLC [Member] Name of the company. YTC Holdings, Inc. (dba Yorktel) [Member] YTC Holdings, Inc. (dba Yorktel) [Member] Name of the company. Madryn Select Opportunities, LP [Member] Madryn Select Opportunities, LP [Member] Name of the company. Consolidated Machine & Tool Holdings, LLC [Member] Name of the company. The Range NYC, LLC (dba Five Iron Golf) [Member] The Range NYC, LLC (dba Five Iron Golf) [Member] Name of the company. PPC Event Services, Inc. [Member] PPC Event Services, Inc. [Member] Name of the company. TCP Acquisition, LLC [Member] TCP Acquisition, LLC [Member] Debt instrument, term of variable rate, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Debt Instrument, Term of Variable Rate Term of variable rate Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts can be increased currently outstanding under the facility. Line of Credit Facility, Maximum Borrowing Capacity can be Increased Borrowing capacity can be increased The percentage of estimated total annualized cost of capital. Line of Credit Facility, Annualized Cost of Capital, Estimated Percentage Estimated total annualized cost of capital percentage Name of the Lender. Woodforest National Bank [Member] Woodforest National Bank [Member] Name of the Lender. First Foundation Bank [Member] First Foundation Bank [Member] Name of the Lender. Apple Bank [Member] Apple Bank [Member] Name of the Lender. Sterling National Bank [Member] Sterling National Bank [Member] Name of the Lender. Dime Community Bank [Member] Dime Community Bank [Member] Name of the Lender. Hanmai Bank [Member] Hanmai Bank [Member] Name of the Lender. Blue Ridge Bank [Member] Blue Ridge Bank [Member] Name of the Lender. East West Bank [Member] East West Bank [Member] Name of the Lender. Peapack-Gladstone Bank [Member] Peapack-Gladstone Bank [Member] Name of the Lender. Forbright Bank [Member] Forbright Bank [Member] Name of the Lender. Mitsubishi HC Capital America, Inc. [Member] Mitsubishi HC Capital America, Inc. [Member] Name of the Lender. Webster Bank [Member] Webster Bank [Member] Minimum annual revenue amount for small and medium-sized businesses. Threshold Value for Small and Medium-sized Businesses, Annual Revenues Threshold value for small and medium-sized businesses, annual revenues Maximum value of earnings before interest, taxes, depreciation and amortization ("EBITDA") for small and medium-sized businesses. Threshold Value for Small and Medium-sized Businesses, Earnings Before Interest, Taxes, Depreciation and Amortization Threshold value for small and medium-sized businesses, EBITDA value Non-controlled/non-affiliate, Controlled/affiliate, investment income [Abstract] Net Gain (Loss) from Investments [Abstract] Net gain (loss): Amount of management fee waiver related to the managing member or general partner for management of the day-to-day business functions. Management Fee Waiver, Investment Income Management fee waiver (Note 6) Amount of expenses before fee waivers related to the generation of investment income. Investment Income, Investment Expense Before Fee Waivers Total expenses before fee waivers Amount of incentive fee waiver for income-based incentive fee. Incentive Fee Waiver, Investment Income Incentive fee waiver (Note 6) Incentive fees waived The amount of net investment income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Net Investment Income (Loss) Per Share, Basic Net investment income per share - basic (in dollars per share) Amount of interest income from investment paid in kind. Interest Income, Paid in Kind PIK interest income Net Change in Unrealized Gain (Loss) from Investments [Abstract] Net change in unrealized gain (loss): Realized Gain (Loss) from Investment, Net [Abstract] Net realized gain (loss): The amount of net investment income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Net Investment Income (Loss) Per Share, Diluted Net investment income per share - diluted (in dollars per share) Amount of expense for interest and other debt financing fees. Interest and Other Debt Financing Fees Interest and other financing fees Total interest and other debt financing fees Amount of increase in additional paid in capital (APIC) resulting from the contributions receivable. Adjustments to Additional Paid in Capital, Contributions Receivable Contribution receivable Discretionary Repurchase of Shares of Common Stock and Distributions [Abstract] The entire disclosure for discretionary repurchase of shares of common stock and distributions. Discretionary Repurchase of Shares of Common Stock and Distributions Disclosure [Text Block] Discretionary Repurchase of Shares of Common Stock and Distributions Investment Owned [Abstract] Investments [Abstract] Investment Owned, Amortized Cost [Abstract] Amortized Cost [Abstract] Percentage of investment owned at cost. Investment Owned, at Cost, Percentage Percentage Investment Owned, Fair Value [Abstract] Fair Value [Abstract] Amount of investment in equity security measured at fair value percentage. Equity Securities Fair Value Percentage Percentage Type of debt instrument. Preferred Equity Securities [Member] Preferred Equity Securities [Member] The amount of shares issued from dividend reinvestment plan. Shares Issued from Dividend Reinvestment Plan Shares issued from dividend reinvestment plan (see Note 10) Supplemental Information [Abstract] Supplemental Information: The cash inflow from the issuance of common shares, including subscriptions that have been received in advance. Proceeds from issuance of common shares, including subscriptions received in advance The increase (decrease) during the reporting period attributable to legal fees payable. Increase (Decrease) in Legal Fees Payable Legal fees payable The increase (decrease) during the reporting period attributable to reimbursement expense payable. Increase (Decrease) in Reimbursement Expense Payable Reimbursement expense payable The increase (decrease) during the reporting period attributable to professional fees payable. Increase (Decrease) in Professional Fees Payable Professional fees payable Non Cash Operating Activities [Abstract] Non cash operating activities: Amount of interest received in-kind. Interest Received-in-kind Interest received in kind Amount attributable to debt financing and debt issuance cost paid. Deferred Financing and Debt Issuance Cost Paid Deferred financing and debt issuance costs paid The amount of payment-in-kind interest income. Payment-in-kind, Interest Income Payment-in-kind interest income Payment in-kind interest income Cash received from principal payment is a payment toward the original amount of a loan that is owed. In other words, a principal payment is a payment made on a loan that reduces the remaining loan amount due, rather than applying to the payment of interest charged on the loan. In accounting and finance, a principal payment applies to any payment that reduces the amount due on a loan. Proceeds from Principal Payments Proceeds from principal payments The increase (decrease) during the reporting period to management fees payable, net of fee waivers. Increase (Decrease) in Management Fee Payables, Net of Fee Waivers Management fees payable, net of fee waivers (Note 6) Distribution of earnings in the form of cash declared by the board of directors to be distributed to shareholders in September 2024. O2024-Q3 Dividends [Member] 2024 Q3 Dividend [Member] O 2024 Q3 Dividends [Member] Distribution of earnings in the form of cash declared by the board of directors to be distributed to shareholders in June 2024. O2024-Q2 Dividends [Member] 2024 Q2 Dividend [Member] Distribution of earnings in the form of cash declared by the board of directors to be distributed to shareholders in September 2023. O2023-Q3 Dividends [Member] 2023 Q3 Dividend [Member] Distribution of earnings in the form of cash declared by the board of directors to be distributed to shareholders in December 31, 2023. O2023-A Dividends [Member] 2023 A Dividends [Member] Distribution of earnings in the form of cash declared by the board of directors to be distributed to shareholders in June 2023. O2023-Q2 Dividends [Member] 2023 Q2 Dividend [Member] Distribution of earnings in the form of cash declared by the board of directors to be distributed to shareholders in December 2022. O2022-A Dividends [Member] 2022 A Dividends [Member] Percentage of repurchase of common stock during the period. Repurchase of Common Stock Outstanding, Percentage Percentage of repurchase common stock outstanding Investments in Affiliates [Abstract] Investments Affiliates [Abstract] The ownership percentage of voting securities required for an affiliated company. Ownership Percentage of Voting Securities Required for Affiliated Company Ownership percentage of voting securities required for affiliated company The ownership percentage of voting securities required for a controlled affiliate company. Ownership Percentage of Voting Securities Required for Controlled Affiliate Company Ownership percentage of voting securities required for controlled affiliate company Funds managed by the Advisor's. Advisor's Managed Funds [Member] Advisor's Managed Funds [Member] Funds managed or controlled by Company. Company Funds [Member] Company [Member] Funds managed or controlled by Star Mountain Affiliate. Star Mountain Affiliate Funds [Member] Star Mountain Affiliate Funds [Member] The number of companies in which the entity has ownership interest. Number of Companies in Which the Entity Has Ownership Interest Number of companies Name of the entity. Lasalle Staffing, LLC [Member] Lasalle Staffing, LLC [Member] Name of the entity. Watt Acquisition, LLC [Member] Watt Acquisition, LLC [Member] Name of the entity. Uncle John's Pride, LLC [Member] Uncle John's Pride, LLC [Member] Name of the entity. Caregility Corporation [Member] Caregility Corporation [Member] Name of the entity. Arrow Home Health LLC [Member] Arrow Home Health LLC [Member] Name of the entity. Microf, LLC [Member] Microf, LLC [Member] Name of the entity. USBid Inc. [Member] USBid Inc. [Member] Interest and Other Debt Financing Expenses, Average Outstanding Balances and Average Stated Interest Rates [Abstract] Interest and Other Debt Financing Expenses, Average Outstanding Balances and Average Stated Interest Rates [Abstract] Amount of debt instrument utilization fees. Debt Instrument Utilization Fees Utilization fees Rate of Interest on paid-in-kind. Paid in Kind Interest Rate PIK Interest Rate Basis spread variable rate on paid in kind. Paid in Kind Basis Spread Variable Rate Investments First Lien Senior Secured Term Loan [Member] Sector of the economy consisting of companies engaged in specialty retail related business activities. Specialty Retail [Member] Specialty Retail [Member] Sector of the economy consisting of companies engaged in distributors related business activities. Distributors [Member] Distributors [Member] Sector of the economy consisting of companies engaged in food products related business activities. Food Products [Member] Food Products [Member] Sector of the economy consisting of companies engaged in consumer finance related business activities. Consumer Finance [Member] Consumer Finance [Member] Sector of the economy consisting of companies engaged in personal products. Personal Products [Member] Personal Products [Member] Sector of the economy consisting of companies engaged in media related business activities. Media [Member] Media [Member] Sector of the economy consisting of companies engaged in diversified consumer services related business activities. Diversified Consumer Services [Member] Diversified Consumer Services [Member] Sector of the economy consisting of companies engaged in aerospace and defense related business activities. Aerospace and Defense [Member] Aerospace & Defense [Member] Sector of the economy consisting of companies engaged in leisure products related business activities. Leisure Products [Member] Leisure Products [Member] Sector of the economy consisting of companies engaged in commercial services and supplies related business activities. Commercial Services and Supplies [Member] Commercial Services & Supplies [Member] Sector of the economy consisting of companies engaged in IT services related business activities. IT Services [Member] IT Services [Member] Sector of the economy consisting of companies engaged in hotels, restaurants and leisure related business activities. Hotels, Restaurants and Leisure [Member] Hotels, Restaurants & Leisure [Member] Sector of the economy consisting of companies engaged in household durables related business activities. Household Durables [Member] Household Durables [Member] Sector of the economy consisting of companies engaged in software related business activities. Software [Member] Software [Member] Sector of the economy consisting of companies engaged in electrical equipment related business activities. Electrical Equipment [Member] Electrical Equipment [Member] Sector of the economy consisting of companies engaged in healthcare providers and services related business activities. Healthcare Providers and Services [Member] Healthcare Providers & Services [Member] Sector of the economy consisting of companies engaged in professional services related business activities. Professional Services [Member] Professional Services [Member] Sector of the economy consisting of companies engaged in chemicals related business activities. Chemicals [Member] Chemicals [Member] Sector of the economy consisting of companies engaged in diversified telecommunication services related business activities. Diversified Telecommunication Services [Member] Diversified Telecommunication Services [Member] Sector of the economy consisting of companies engaged in machinery related business activities. Machinery [Member] Machinery [Member] Sector of the economy consisting of companies engaged in transportation infrastructure related business activities. Transportation Infrastructure [Member] Transportation Infrastructure [Member] Sector of the economy consisting of companies engaged in household products related business activities. Household Products [Member] Household Products [Member] Sector of the economy consisting of companies engaged in trading companies and distributors related business activities. Trading Companies and Distributors [Member] Trading Companies & Distributors [Member] Sector of the economy consisting of companies engaged in diversified financials related business activities. Diversified Financials [Member] Diversified Financials [Member] Sector of the economy consisting of companies engaged in construction and engineering related business activities. Construction and Engineering [Member] Construction & Engineering [Member] Investment in twelve existing portfolio companies. Investment Portfolio 12 [Member] Portfolio 12 [Member] Investment in three existing portfolio companies. Investment Portfolio 3 [Member] Portfolio 3 [Member] Investment in two existing portfolio companies. Investment Portfolio2 [Member] Portfolio 2 [Member] Investment in seven existing portfolio companies. Investment Portfolio 7 [Member] Portfolio 7 [Member] Number of new portfolio companies where company made investment. Number of New Portfolio Companies Number of new portfolio companies Amount of proceeds from principal repayments of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Proceeds from Principal Repayments of Investments Proceeds from principal repayments Amount of investments on net of original issue discount on nonoperating securities. Investment, Net of Original Issue Discount Investment, net Amount of net change in unrealized gain (loss) recognized in income from assets measured at fair value on recurring basis using unobservable input (level 3). Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Net Change in Unrealized Gain (Loss) on Investments Net change in unrealized gain (loss) on investments Amount of gain (loss) recognized in income from assets measured at fair value on recurring basis using unobservable input (level 3). Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Net Realized Gain (Loss) on Investments Net realized gain (loss) on investments Number of existing portfolio companies where company made investment. Number of Existing Portfolio Companies Number of existing portfolio companies Amount of Lien status change of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Lien Status Change of Investments Lien status change Administration Fees [Abstract] Entity or person who manages the Company's day-to-day operations and provides investment advisory services to the Company. Advisor [Member] Advisor [Member] Sub-Administrator provides various accounting and administrative services to the Company. SS&C Technologies, Inc. [Member] SS&C Technologies, Inc. [Member] Incentive Fee [Abstract] The number of components consisted in incentive fee. Number of Incentive Fee Components Number of incentive fee components The required annual rate of return on an investment to offset its costs. Percentage of Dollar Amount of Pre-Incentive Fee Net Investment Income Returns Percentage of dollar amount of pre-incentive fee net investment income returns Coupon is the interest payment received by a bondholder from the date of issuance until the date of maturity of a bond. Debt Instrument Coupon Securities Coupon securities The percentage of pre incentive fee net investment income returns which exceeds the hurdle rate but is less than or equal per annualized. Percentage of Pre Incentive Fee Net Investment Income Returns which Exceeds the Hurdle Rate as But is Less Than or Equal per Annualized Percentage of pre incentive fee net investment income returns which exceeds the hurdle rate as annualized The required quarterly rate of return on an investment to offset its costs. Percent of Quarterly Hurdle Rate Percent of quarterly hurdle rate The percentage of realized capital gains on a cumulative basis from inception through the end of the fiscal year. Percentage Payable of Realized Capital Gains on Cumulative Basis Percentage payable of realized capital gains on cumulative basis The required annual rate of return on an investment to offset its costs. Percent of Annual Hurdle Rate Percent of annual hurdle rate Amount payable for incentive rights held by the managing member or general partner, of limited liability company (LLC) or limited partnership (LP). Incentive Fees Payable Incentive fees remained payable The percentage of pre incentive fee net investment income returns which exceeds the hurdle rate but is less than or equal per calendar quarter. Percentage of Pre Incentive Fee Net Investment Income Returns which Exceeds the Hurdle Rate but is Less Than or Equal Calendar Quarter Percentage of pre incentive fee net investment income returns which exceeds the hurdle rate per calendar quarter The percentage of pre incentive fee net investment income returns which exceeds the hurdle rate as catch-up. Percentage of Pre Incentive Fee Net Investment Income Returns which Exceeds the Hurdle Rate as Catch-up Percentage of pre incentive fee net investment income returns which exceeds the hurdle rate as catch-up The Percentage of dollar amount of all pre-incentive fee net investment income returns. Percentage of Dollar Amount of All Pre-incentive Fee Net Investment Income Returns Percentage of dollar amount of all pre-incentive fee net investment income returns Investments in Affiliates At Fair Value [Abstract] Investments in Controlled/Affiliate Investments [Abstract] Gross additions to the investment in to the affiliate. Investments in Affiliates at Fair Value Gross Additions Gross additions Gross reductions to the investment in to the affiliate. Investments in Affiliates at Fair Value Gross Reductions Gross reductions At the close of the period, the dividends or interest included in caption 1 of the statement of operations. In addition, show as the final item the aggregate of dividends and interest included in the statement of operations in respect of investments in affiliates not held at the close of the period. The total of this column would be expected to agree with the correlative amount shown on the related statement of operations. Investments in and Advances to Affiliate, Dividend or Interest Credited to Income Amount of interest or dividends credited to income on investments Interest rate at which a bank borrows funds from other banks in the London interbank market. London Interbank Offered Rate [Member] LIBOR [Member] Number of preferred equity securities shares. Preferred Equity Securities Shares Preferred equity securities shares (in shares) Percentage of investment variable rate subject to one month. Percentage of Investment Variable Rate One Percentage of investment variable rate Number of incentive shares received during the period. Number of Incentive Shares Received Number of incentive shares received (in shares) The percentage of Investment outstanding voting securities. Percentage of Outstanding Voting Securities Percentage of outstanding voting securities The percentage of investment of variable rate. Percentage of Investment Variable Rate Percentage of investment variable rate Investment Term of Variable Rate, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Investment Term of Variable Rate One Investment term of variable rate Investment Term of Variable Rate, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Investment Term of Variable Rate Investment term of variable rate Name of the entity. Arrow Home Health LLC and Caregility Corporation [Member] Arrow Home Health LLC and Caregility Corporation [Member] Name of the entity. Capone Holdings JV, LLC (dba LaSalle Staffing) [Member] Name of the entity. UJP Acquisition, LLC (dba Uncle John's Pride) [Member] UJP Acquisition, LLC (dba Uncle John's Pride) [Member] Name of the entity. USBid Inc. - Class A Units [Member] USBid Inc. - Class A Units [Member] Name of the entity. USBid Inc. - Class C Units [Member] USBid Inc. - Class C Units [Member] Name of the entity. USBid Inc. - Class C2 Units [Member] USBid Inc. - Class C2 Units [Member] Name of the entity. USBid Inc. - Class C3 Units [Member] USBid Inc. - Class C3 Units [Member] Name of the entity. Watt Contracting Holdings, LLC [Member] Amount of contributions payable by the Federal Fund. Investment Company, Contributions Payable Capital contributions payable Star Mountain Lower Middle-Market (Offshore) Ltd was the accounting survivor. Star Mountain Lower Middle-Market (Offshore) Ltd [Member] Management Fee [Abstract] Management Fees [Abstract] The amount of fee waived off by the advisor. Management Fee Waiver Management fee waived The number of components consisted in management fee. Number of Management Fee Components Number of management fee components Percentage of base management fee calculated on gross assets. Percentage of Base Management Fee on Gross Assets Percentage of management fee payable Permanent Differences Reclassified for Tax Purposes [Abstract] Permanent Differences Reclassified for Tax Purposes [Abstract] The sum of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to permanent differences. Income Tax Permanent Differences Reclassified For Tax Purposes Permanent differences Amount before allocation of valuation allowances of deferred tax asset attributable to temporary differences from long-term capital gains. Deferred Tax Assets, Long-Term Capital Gains Long-term capital gains Percentage, after incentive fees and before waivers, of investment income (loss) to average net assets. Investment Company Investment Income (Loss) Ratio After Incentive Fees and Before Waivers Ratio of net investment income (loss) to average net assets after incentive fees and before waivers Percentage of portfolio turnover rate by investment company's investors. Investment Company Portfolio Turnover Rate Portfolio turnover Percentage, after incentive fees and before waivers, of expense to average net assets. Investment Company Expense Ratio After Incentive Fees and Before Waivers Ratio of expenses to average net assets after incentive fees and before waivers Percentage, after incentive fees and waivers, of expense to average net assets. Investment Company Expense Ratio After Incentive Fees and Waivers Ratio of expenses to average net assets after incentive fees and waivers Percentage, after incentive fees and waivers, of investment income (loss) to average net assets. Investment Company Investment Income (Loss) Ratio After Incentive Fees and Waivers Ratio of net investment income (loss) to average net assets after incentive fees and waivers Percentage, before incentive fees and waivers, of expense to average net assets. Investment Company Expense Ratio Before Incentive Fees and Waivers Ratio of expenses to average net assets before incentive fees and waivers Per share or unit amount of dividend reinvestment plan distributions on investments. Investment Company Dividend Reinvestment Plan Distributions Per Share Dividend reinvestment plan distributions (in dollars per share) Per share or unit amount of other asset value on investments. Investment Company Other Asset Value Per Share Other (in dollars per share) Percentage, before incentive fees and waivers, of investment income (loss) to average net assets. Investment Company Investment Income (Loss) Ratio Before Incentive Fees and waivers Ratio of net investment income (loss) to average net assets before incentive fees and waivers Offering Costs [Abstract] Offering Costs [Abstract] The expenses consist primarily of legal fees and other costs incurred with share offerings, the preparation of registration statement and registration fees. Stock Offering Costs Offering costs The expenses payable consist primarily of legal fees and other costs incurred with share offerings, the preparation of registration statement and registration fees. Offering Costs Payable Offering costs payable The range of taxable income percentage and gain distribute by company. Percentage of Taxable Income and Gain Distributed by Company Percentage of taxable income and gain planned to be distributed by company Minimum percentage of net capital gains to be distributed during the period. Minimum Percentage of Capital Gains Minimum percentage of capital gains Minimum percentage of ordinary income to be distributed during the period. Minimum Percentage of Ordinary Income Minimum percentage of ordinary income Custodian Fees [Abstract] Custodian Fees [Abstract] The expenses for services provided by the custodian. Custodian Fees Custodian fees The expenses payable for services provided by the custodian. Custodian Fees Payable Custodian fees payable Period between non-accrual status interest or dividend payments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Non-Accrual Status Interest or Dividend Payments Non-accrual status interest or dividend payments Reflects the carrying amount of loans deemed to be questionable as to collection on which interest is continuing to be earned or accrued. Loans and Leases Receivables Impaired Nonperforming Accrual of Interest Non-accrual status investments interest Early repayment amount and termination fees during the period. Early Repayment and Termination Fees Early repayment and termination fees Capital distributions, the means by which private equity funds return capital to investors, are paid when fund managers realize their investments in underlying companies or assets. Capital Distributions from Equity Investments Capital distributions from equity investments Name of companies. Consolidated Machine & Tool Holdings, LLC, Masterwork Electronics, Inc, Skybell Technologies, Inc. and Chicken Soup for the Soul, LLC. [Member] Consolidated Machine & Tool Holdings, LLC, Masterwork Electronics, Inc, Skybell Technologies, Inc. and Chicken Soup For The Soul, LLC. [Member] Name of companies. Consolidated Machine & Tool Holdings, LLC and Masterwork Electronics, Inc. [Member] Consolidated Machine & Tool Holdings, LLC and Masterwork Electronics, Inc. [Member] Number of investment on non-accrual status. Number of Investment on Non-accrual Status Number of investment on non-accrual status Dividends Distributions Declared and Recorded Payments [Abstract] Dividends Distributions Declared and Recorded Payments [Abstract] Unamortized Deferred Financing Costs [Abstract] Unamortized Deferred Financing Costs [Abstract] Distributions [Abstract] Distributions [Abstract] The notice period to opt dividend reinvestment plan, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Notice Period to opt Dividend Reinvestment Plan Notice period to opt dividend reinvestment plan Disclosure of accounting policy for custodial fees are costs that you'll pay to a bank or brokerage for taking care of and managing your investments. They're sometimes also called safekeeping fees. Custodial fees are a type of fee paid to a brokerage firm for the services associated with taking care of your investments. Custodian Fees [Policy Text Block] Custodian Fees Disclosure of accounting policy for offering costs incurred in connection with the initial and continuous offering of units of the Fund. Offering Costs [Policy Text Block] Offering Costs Disclosure of accounting policy for cash, including the policy for determining which items are treated as cash. Cash [Policy Text Block] Cash Disclosure of accounting policy for cash equivalents, including the policy for determining which items are treated as cash equivalents. Cash Equivalents [Policy Text Block] Cash Equivalents