Net change in unrealized losses on investments Unrealized Gain (Loss) on Investments Significant Accounting Policies Significant Accounting Policies [Text Block] Cart.com, Inc. Cart.com, Inc. [Member] Cart.com, Inc. Statistical Measurement [Domain] Statistical Measurement [Domain] Investments, Investment Classification, Non-accrual Loans, Realized/Unrealized Gains or Losses Investment, Policy [Policy Text Block] Investment, Unaffiliated Issuer Investment, Unaffiliated Issuer [Member] Aggregated investment holdings percent of gross assets where third party valuation is not required Fair Value Measurements, Third Party Valuation Not Required Threshold For Aggregated Investments, Percent Of Gross Assets Fair Value Measurements, Third Party Valuation Not Required Threshold For Aggregated Investments, Percent Of Gross Assets Simpplr Inc. Simpplr Inc. [Member] Simpplr Inc. Net realized losses on investments Net realized loss on investments Realized Investment Gains (Losses) Award Timing Predetermined Award Timing Predetermined [Flag] Related Party Transaction [Axis] Related Party Transaction [Axis] Asset Class [Axis] Asset Class [Axis] Aerospace and Defense Aerospace and Defense [Member] Aerospace and Defense Securities Act File Number Securities Act File Number Paid-in capital in excess of par value Additional Paid-in Capital [Member] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Deferred Credit Facility Costs Debt, Policy [Policy Text Block] Tabular List, Table Tabular List [Table Text Block] Open Forward Foreign Currency Contract, Identifier [Axis] Open Forward Foreign Currency Contract, Identifier [Axis] Investments Schedule of Investments [Text Block] Common Living Inc Common Living Inc [Member] Common Living Inc Schedule of Dividends Declared Dividends Declared [Table Text Block] Recent Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Ocrolus Inc. Ocrolus Inc. [Member] Ocrolus Inc. Healthcare Services Healthcare Services [Member] Healthcare Services Amortization Period Amortization Period [Member] Amortization Period Schedule of Related Party Transactions Schedule of Related Party Transactions [Table Text Block] Debt investments Debt Securities [Member] Thirty Madison, Inc. (f/k/a Nurx Inc.) Thirty Madison, Inc. (f/k/a Nurx Inc.) [Member] Thirty Madison, Inc. (f/k/a Nurx Inc.) Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Net investment income per common share, Basic (in dollars per share) Net investment income per share of common stock, Basic (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Related Party Agreements and Transactions Related Party Transactions Disclosure [Text Block] Mynd Management, Inc. Mynd Management, Inc. [Member] Mynd Management, Inc. Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Divvy Homes Inc. Divvy Homes Inc. [Member] Divvy Homes Inc. Net increase (decrease) in net assets per common stock (in dollars per share) Net increase (decrease) in net assets resulting from operations per common share (in dollars per share) Net increase (decrease) in net assets resulting from operations per share of common stock (in dollars per share) Investment Company, Net Asset Value, Per Share, Period Increase (Decrease) Preferred stock distributions paid Payments of Ordinary Dividends, Preferred Stock and Preference Stock Stock, Class of Stock [Table] Stock, Class of Stock [Table] Discount Rate Measurement Input, Discount Rate [Member] Fair Value of Unfunded Commitment Liability Investment Company, Financial Commitment to Investee, Future Amount, Fair Value Investment Company, Financial Commitment to Investee, Future Amount, Fair Value Undistributed ordinary income Investment Company, Distributable Earnings (Loss), Accumulated Ordinary Income (Loss) EBITDA Multiples Measurement Input, EBITDA Multiple [Member] Multimedia and Design Software Multimedia and Design Software [Member] Multimedia and Design Software Measurement Input Type [Domain] Measurement Input Type [Domain] Real Estate Services Real Estate Services [Member] Real Estate Services Adjustment to Compensation, Amount Adjustment to Compensation Amount Affiliated Entity Affiliated Entity [Member] Concentration risk, percentage Concentration Risk, Percentage Net change in unrealized (losses) on Level 3 investments held Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) Income incentive fees to average net asset value Investment Company, Incentive Allocation to Average Net Assets, Percentage Capital gains incentive fees to average net asset value Investment Company, Capital Gains Incentive Fee Allocation To Average Net Assets Investment Company, Capital Gains Incentive Fee Allocation To Average Net Assets Amount Derivative Asset, Notional Amount Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Net realized (gains) losses on investments Debt and Equity Securities, Realized Gain (Loss) Special distribution sourced from net realized short-term capital gains (in dollars per share) Investment Company, Distribution to Shareholders, Net Realized Short-Term Capital Gains, Per Share Investment Company, Distribution to Shareholders, Net Realized Short-Term Capital Gains, Per Share Social/Platform Software Social/Platform Software [Member] Social/Platform Software Excise taxes paid Income Taxes Paid Required distribution Investment Company, Required Distribution Investment Company, Required Distribution Average net asset value Investment Company, Average Net Assets Total net assets Beginning balance Ending balance Net asset value at end of period Equity, Attributable to Parent Investment company, distribution, ordinary income Investment Company, Distribution, Ordinary Income Insider Trading Policies and Procedures [Line Items] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Hedging Designation [Domain] Hedging Designation [Domain] Schedule For Financial Support For Nonconsolidated Entity Schedule For Financial Support For Nonconsolidated Entity [Table Text Block] Schedule For Financial Support For Nonconsolidated Entity Issuance of common stock (in shares) Stock Issued During Period, Shares, New Issues Total liabilities and net assets Liabilities and Equity Foreign Currency Translation Foreign Currency Transactions and Translations Policy [Policy Text Block] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Cover [Abstract] Revolving Period Revolving Period [Member] Revolving Period Debt Instrument, Interest Period [Domain] Debt Instrument, Interest Period [Domain] Debt Instrument, Interest Period [Domain] Credit Facility Credit Facility [Member] Credit Facility Maximum Maximum [Member] Planet A Foods GmbH Planet A Foods GmbH [Member] Planet A Foods GmbH Non-cash Collateral Received Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Security Not Offset Accounting Policies [Abstract] Financial Software Financial Software [Member] Financial Software Computer Hardware Computer Hardware [Member] Computer Hardware Called investments Proceeds from Maturities, Prepayments and Calls of Securities, Operating Activities Assets pledged as collateral Debt Instrument, Collateral Amount Concentration Risk Type [Domain] Concentration Risk Type [Domain] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Investment, Identifier [Axis] Investment, Identifier [Axis] Application Software Application Software [Member] Application Software Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Investments at fair value (amortized cost of $367,496 and $372,310, respectively) Total portfolio company investments Investment Owned, Fair Value Appex Group, Inc. Appex Group, Inc. [Member] Appex Group, Inc. Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Liabilities Liabilities [Abstract] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Entity Shell Company Entity Shell Company Schedule of Carrying Values and Estimated Fair Values of Debt Instruments Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Backlog amount Backlog of potential future commitments Investment Company, Financial Support To Investee Contractually Required, Not Provided, Backlog Amount Investment Company, Financial Support To Investee Contractually Required, Not Provided, Backlog Amount Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Accretion of discount Investment Company, Accretion Of Discount, Ratio Investment Company, Accretion Of Discount, Ratio Statement of Stockholders' Equity [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount MA Micro Limited MA Micro Limited [Member] MA Micro Limited Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Interest expense and amortization of fees Interest Expense, Operating Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Measurement Input Type [Axis] Measurement Input Type [Axis] Investment, Issuer Affiliation [Axis] Investment, Issuer Affiliation [Axis] Name Measure Name Schedule of Level 3 Commitment Liabilities Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Common Distributions Distributions Payable [Text Block] Distributions Payable Base management fee Base management fee Management Fee Expense Class of Stock [Line Items] Class of Stock [Line Items] Industry Sector [Domain] Industry Sector [Domain] Document Fiscal Period Focus Document Fiscal Period Focus Tax reclassification of net assets Investment Company, Tax Reclassification, Increase (Decrease) Award Timing Method Award Timing Method [Text Block] Revenue Multiples Measurement Input, Revenue Multiple [Member] Award Type Award Type [Axis] Balance Outstanding Long-Term Debt Total assets Assets Number of components Related Party Transaction, Number Of Components Related Party Transaction, Number Of Components Cash and Cash Equivalents and Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] U.S. Federal Income Taxes Income Tax, Policy [Policy Text Block] Other accrued expenses and liabilities Accrued Liabilities and Other Liabilities Entity Address, City or Town Entity Address, City or Town Cash Flows from Operating Activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Regular distributions declared per common share (in dollars per share) Common Stock, Regular Dividends, Per Share Common Stock, Regular Dividends, Per Share Net realized and unrealized losses Gain (Loss), Investment and Derivative, Operating, before Tax [Abstract] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Current borrowing capacity Debt Instrument, Covenant, Aggregate Principal Balance, Secured Status Threshold Debt Instrument, Covenant, Aggregate Principal Balance, Secured Status Threshold Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Debt Instrument, Interest Period [Axis] Debt Instrument, Interest Period [Axis] Debt Instrument, Interest Period Life and Health Insurance Life and Health Insurance [Member] Life and Health Insurance Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Credit Risk Credit Loss, Financial Instrument [Text Block] Entity Emerging Growth Company Entity Emerging Growth Company Warrant investments Warrant [Member] Total distributions declared per common share (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Impact of prepayments during the period Investment Company, Impact Of Prepayments, Ratio Investment Company, Impact Of Prepayments, Ratio Outstanding Principal Investment Owned, Balance, Principal Amount Cash Collateral Received Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Unfunded Loan Commitment Unfunded Loan Commitment [Member] Accretion of end-of-term payments Investment Company, Accretion Of End Of Term Payments, Ratio Investment Company, Accretion Of End Of Term Payments, Ratio Deferred issuance costs Debt Issuance Costs, Net Level 2 Fair Value, Inputs, Level 2 [Member] Document Financial Statement Error Correction [Flag] Document Financial Statement Error Correction [Flag] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Consumer Products and Services Consumer Products and Services [Member] Consumer Products and Services Shares of common stock outstanding (par value $0.01 per share and 450,000 shares authorized) (In shares) Beginning balance (in shares) Ending balance (in shares) Shares of common stock outstanding at end of period (in shares) Common Stock, Shares, Outstanding PEO PEO [Member] Change in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Database Software Database Software [Member] Database Software Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Interest rate floor Investment, Interest Rate, Floor Total distributable earnings (loss) Retained Earnings [Member] Investment In Non-Accrual Status Investment In Non-Accrual Status [Member] Investment In Non-Accrual Status Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Total cash, cash equivalents and restricted cash shown in the statement of cash flows Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Elder and Disabled Care Elder and Disabled Care [Member] Elder and Disabled Care Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Investment Management Agreement - Incentive Rate, Quarterly Hurdle Rate Investment Management Agreement - Incentive Rate, Quarterly Hurdle Rate [Member] Investment Management Agreement - Incentive Rate, Quarterly Hurdle Rate FireHydrant, Inc. FireHydrant, Inc. [Member] FireHydrant, Inc. Jerry Services, Inc. Jerry Services, Inc. [Member] Jerry Services, Inc. Number of non-accrual portfolio companies Number Of Non-Accrual Portfolio Companies Number Of Non-Accrual Portfolio Companies Fair value, beginning balance Fair value, ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Hermeus Corporation Hermeus Corporation [Member] Hermeus Corporation Fundings and purchases of investments, net Payment for Purchase, Investment, Operating Activity Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued 2027 Notes, net Unsecured Debt Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Business/Productivity Software Business/Productivity Software [Member] Business/Productivity Software Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Total return based on net asset value per share Investment Company, Total Return Interest cost Interest Expense, Debt, Excluding Amortization Investment Management Agreement Investment Management Agreement [Member] Investment Management Agreement Investment, tax basis, unrealized loss Investment, Tax Basis, Unrealized Loss Net investment income Net investment income Net Investment Income Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Net realized losses on investments Debt And Equity Securities, Realized Gain (Loss) [Member] Debt And Equity Securities, Realized Gain (Loss) Organization, Consolidation and Presentation of Financial Statements [Abstract] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] HomeLight, Inc. HomeLight, Inc. [Member] HomeLight, Inc. Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table Text Block] Debt Investments, Floating Interest Rate Debt Investments, Floating Interest Rate [Member] Debt Investments, Floating Interest Rate Title of 12(g) Security Title of 12(g) Security City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Advance rate Line of Credit Facility, Advance Rate Line of Credit Facility, Advance Rate Expirations / Terminations Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Undistributed capital gain/(loss) carryforward Investment Company, Distributable Earnings (Loss), Accumulated Long-Term Capital Gain (Loss) Commitments and Contingencies Disclosure [Abstract] Borrowings under revolving credit facility Proceeds from Long-Term Lines of Credit General and administrative expenses General and Administrative Expense Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash (used in) provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Activehours, Inc. Activehours, Inc. [Member] Activehours, Inc. Upward adjustment, percent of issuance proceeds Debt Instrument, Covenant, Equity Balance, Upward Adjustment, Percent Of Issuance Proceeds Debt Instrument, Covenant, Equity Balance, Upward Adjustment, Percent Of Issuance Proceeds Interest receivable Interest Receivable Debt term Debt Instrument, Term Income incentive fee Incentive Fee Expense Related Party Transactions [Abstract] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Arcadia Power, Inc. Arcadia Power, Inc. [Member] Arcadia Power, Inc. Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Prepaid expenses and other assets Prepaid Expenses and Other Current Assets [Member] Investment Management Agreement - Incentive Rate, Quarterly Catch-Up Threshold Investment Management Agreement - Incentive Rate, Quarterly Catch-Up Threshold [Member] Investment Management Agreement - Incentive Rate, Quarterly Catch-Up Threshold Interest rate PIK Investment, Interest Rate, Paid in Kind Muon Space, Inc. Muon Space, Inc. [Member] Muon Space, Inc. Per Share Data Investment Company, Per Share Data [Abstract] Investment Company, Per Share Data Foreign currency forward contracts Derivative Liabilities Subject to Master Netting Agreement Derivative Liability, Subject to Master Netting Arrangement, before Offset Schedule of Investments [Abstract] Equity Components [Axis] Equity Components [Axis] Entity Ex Transition Period Entity Ex Transition Period Gross transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Auditor Name Auditor Name Coupon income Investment Company, Coupon Income, Ratio Investment Company, Coupon Income, Ratio Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Cultivation Cultivation [Member] Cultivation Probability-Weighted Expected Return Method Valuation Technique, Probability-Weighted Expected Return Method [Member] Valuation Technique, Probability-Weighted Expected Return Method Schedule of Financial Highlights Investment Company, Financial Highlights [Table Text Block] Interest Rate Type Risk Interest Rate Type Risk [Member] Interest Rate Type Risk Baby Generation, Inc. Baby Generation, Inc. [Member] Baby Generation, Inc. Deferred credit facility costs Payment of Deferred Credit Facility Costs Payment of Deferred Credit Facility Costs Other Performance Measure, Amount Other Performance Measure, Amount Schedule of Contractual Obligation, Fiscal Year Maturity Contractual Obligation, Fiscal Year Maturity [Table Text Block] True Footage Inc. True Footage Inc. [Member] True Footage Inc. Debt issuance costs of 2027 Notes Payments of Debt Issuance Costs Entity Address, State or Province Entity Address, State or Province Net investment income to average net asset value Investment Company, Investment Income (Loss) Ratio Investment, tax basis, cost Investment, Tax Basis, Cost Common stock distributions from distributable earnings Dividends, Common Stock Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Manufactured Networks, Inc. Manufactured Networks, Inc. [Member] Manufactured Networks, Inc. Net change in unrealized gains (losses) on investments Unrealized Gain (Loss) on Investments [Member] Unrealized Gain (Loss) on Investments Investment Company, Net Assets [Roll Forward] Investment Company, Net Assets [Roll Forward] Derivative Instrument [Axis] Derivative Instrument [Axis] Individual: Individual [Axis] Interest coverage ratio, minimum Debt Instrument, Covenant, Interest Coverage Ratio, Minimum Debt Instrument, Covenant, Interest Coverage Ratio, Minimum Restricted cash Restricted Cash Healthcare Technology Systems Healthcare Technology Systems [Member] Healthcare Technology Systems Consumer Finance Consumer Finance [Member] Consumer Finance Common stock distributions paid Payments of Ordinary Dividends, Common Stock Document Annual Report Document Annual Report Expirations / terminations of unfunded commitments Fees And Other Income, Expirations And Terminations Of Unfunded Commitments Fees And Other Income, Expirations And Terminations Of Unfunded Commitments Period from date of investment when each new portfolio investment will be reviewed by a third party valuation firm Fair Value Measurements, Third Party Valuation, Period From Initial Investment Fair Value Measurements, Third Party Valuation, Period From Initial Investment Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Capital gains incentive fee Investment Management Agreement - Incentive Rate, Realized Capital Gains, Net [Member] Investment Management Agreement - Incentive Rate, Realized Capital Gains, Net Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation and Principles of Consolidation Basis of Accounting, Policy [Policy Text Block] Haven Energy Inc. Haven Energy Inc. [Member] Haven Energy Inc. Trendly, Inc. Trendly, Inc. [Member] Trendly, Inc. Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Sandbox VR, Inc. Sandbox VR, Inc. [Member] Sandbox VR, Inc. Non-Qualifying Assets Non-Qualifying Assets [Member] Non-Qualifying Assets Dividends and Distributions Investment Company, Distribution [Policy Text Block] Relay Commerce, Inc. Relay Commerce, Inc. [Member] Relay Commerce, Inc. Entity Interactive Data Current Entity Interactive Data Current Net change in unrealized losses included in earnings Debt And Equity Securities, Unrealized Gain (Loss) [Member] Debt And Equity Securities, Unrealized Gain (Loss) Committed capital Investment Company, Committed Capital Rally Network, Inc Rally Network, Inc [Member] Rally Network, Inc Investment holdings percent of gross assets where third party valuation is not required (less than) Fair Value Measurements, Third Party Valuation Not Required Threshold, Percent Of Gross Assets Fair Value Measurements, Third Party Valuation Not Required Threshold, Percent Of Gross Assets Luxury Presence, Inc. Luxury Presence, Inc. [Member] Luxury Presence, Inc. Capital loss carryforwards available to offset future realized capital gains Investment Company, Distributable Earnings (Loss), Accumulated Capital Loss Carryforward Unfunded commitments dependent on milestones Investment Company, Financial Commitment To Investee, Contingent Commitment Investment Company, Financial Commitment To Investee, Contingent Commitment Net assets Equity [Abstract] Debt Securities, Non-Accrual Status Debt Securities, Non-Accrual Status [Member] Debt Securities, Non-Accrual Status Operating Segments Segment Reporting Disclosure [Text Block] Amortized cost Cost Investment Owned, Cost Energy Energy [Member] Energy Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] JOKR S.à r.l. JOKR S.à r.l. [Member] JOKR S.à r.l. Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Weighted Average Weighted Average [Member] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Volatility Measurement Input, Price Volatility [Member] Liquidation preference (in dollars per share) Preferred Stock, Dividend Rate, Per-Dollar-Amount Food Products Food Products [Member] Food Products Net asset value per common share (in dollars per share) Net asset value, beginning of period (in dollars per share) Net asset value, end of period (in dollars per share) Net Asset Value Per Share Entity Central Index Key Entity Central Index Key Communications and Networking Communications and Networking [Member] Communications and Networking PEO Name PEO Name Proceeds from sale of stock Sale of Stock, Consideration Received on Transaction Net realized and unrealized gains and losses on derivative instruments Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Common Stock, Shares Issued, Not Disclosed Common Stock, Shares Issued, Not Disclosed Common Stock, Shares Issued, Not Disclosed Auditor Information [Abstract] Auditor Information Minimum stockholders' equity balance Debt Instrument, Covenant, Equity Balance, Minimum Debt Instrument, Covenant, Equity Balance, Minimum Revolving Credit Facility Revolving Credit Facility [Member] Commitments at beginning of period Commitments at period end Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Bloom and Wild Midco 2 Limited Bloom and Wild Midco 2 Limited [Member] Bloom and Wild Midco 2 Limited Black Scholes Option Pricing Model Valuation Technique, Option Pricing Model [Member] Flink SE Flink SE [Member] Flink SE Arrangement Duration Trading Arrangement Duration Investment Company, Change in Net Assets [Table] Investment Company, Change in Net Assets [Table] Investment, Issuer Name [Domain] Investment, Issuer Name [Domain] Ever/Body, Inc. Ever/Body, Inc. [Member] Ever/Body, Inc. Investment Management Agreement - Incentive Rate, Annualized Hurdle Rate Investment Management Agreement - Incentive Rate, Annualized Hurdle Rate [Member] Investment Management Agreement - Incentive Rate, Annualized Hurdle Rate Interest receivable, prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Percent of the investment portfolio that will receive valuation recommendations from a third party valuation firm each quarter Fair Value Measurements, Third Party Quarterly Valuation, Percent Of Investment Portfolio Fair Value Measurements, Third Party Quarterly Valuation, Percent Of Investment Portfolio Exercise Price Award Exercise Price Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Entity Filer Category Entity Filer Category Class of Stock [Domain] Class of Stock [Domain] Homeward, Inc. Homeward, Inc. [Member] Homeward, Inc. Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Quantum Circuits, Inc. Quantum Circuits, Inc. [Member] Quantum Circuits, Inc. Assets Assets [Abstract] Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Statement of Financial Position Location, Balance [Axis] Statement of Financial Position Location, Balance [Axis] Other Commitments [Axis] Other Commitments [Axis] Commercial Transportation Commercial Transportation [Member] Commercial Transportation Debt Instrument [Axis] Debt Instrument [Axis] Income Recognition Revenue Recognition, Interest [Policy Text Block] Credit Facility [Domain] Credit Facility [Domain] Net change in unrealized gains/( losses) on investments Net change in unrealized (gains) losses on investments Debt and Equity Securities, Unrealized Gain (Loss) General Media and Content General Media and Content [Member] General Media and Content Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Percentage of net assets Investment Owned, Net Assets, Percentage Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Payment-in-kind coupon Paid In Kind Coupon [Member] Paid In Kind Coupon Interest rate Debt Instrument, Interest Rate, Stated Percentage Other accrued expenses and liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Investment, tax basis, unrealized gain Investment, Tax Basis, Unrealized Gain Mirelo AI GmbH Mirelo AI GmbH [Member] Mirelo AI GmbH Investments [Domain] Investments [Domain] Entity Voluntary Filers Entity Voluntary Filers Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Base management fee percentage Management and Service Fees, Base Rate Financial Support for Nonconsolidated Legal Entity [Table] Financial Support for Nonconsolidated Legal Entity [Table] Industry Sector [Axis] Industry Sector [Axis] Base management fee payable Management Fee Payable Fair value of derivative instruments Derivative Assets Subject to Master Netting Agreement Derivative Asset, Subject to Master Netting Arrangement, before Offset Human Capital Services Human Capital Services [Member] Human Capital Services Investment Company [Abstract] FitOn, Inc. FitOn, Inc. [Member] FitOn, Inc. Financial Highlights Investment Company, Financial Highlights [Text Block] Fair Value as of Grant Date Award Grant Date Fair Value Entity Registrant Name Entity Registrant Name Investment Company, Financial Highlights [Line Items] Investment Company, Financial Highlights [Line Items] Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Encore Music Technologies, Inc. Encore Music Technologies, Inc. [Member] Encore Music Technologies, Inc. Schedule of Long-Term Debt Instruments Schedule of Long-Term Debt Instruments [Table Text Block] Paid In Capital Paid In Capital [Policy Text Block] Paid In Capital FabFitFun, Inc. FabFitFun, Inc. [Member] FabFitFun, Inc. Related Party Transaction [Line Items] Related Party Transaction [Line Items] Debt Investments Debt Investments [Member] Debt Investments US $ Value at Settlement Date Foreign Currency Contract, Asset, Fair Value Disclosure Outstanding borrowings Long-Term Debt, Fair Value Schedule of Fair Value Measurement Inputs and Valuation Techniques Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Roofstock, Inc. (f/k/a Mynd Management, Inc.) Roofstock, Inc. (f/k/a Mynd Management, Inc.) [Member] Roofstock, Inc. (f/k/a Mynd Management, Inc.) Counterparty Name [Domain] Counterparty Name [Domain] Number of operating segments Number of Operating Segments Accretion of debt investment fees Accretion (Amortization) of Discounts and Premiums, Investments Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Investment Type [Axis] Investment Type [Axis] Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Axis] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Net Amount of Derivative Liabilities Derivative Liability, Subject to Master Netting Arrangement, after Offset and Deduction Per Share Information (Basic and Diluted) Earnings Per Share, Basic and Diluted EPS [Abstract] Earnings Per Share, Basic and Diluted EPS Information Services (B2C) Information Services (B2C) [Member] Information Services (B2C) Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Network Management Software Network Management Software [Member] Network Management Software Repayments under revolving credit facility Repayments of Long-Term Lines of Credit Prepaid expenses and other assets Prepaid Expense and Other Assets Restatement Determination Date: Restatement Determination Date [Axis] Non-PEO NEO Non-PEO NEO [Member] Other Financial Services Other Financial Services [Member] Other Financial Services Net realized and unrealized losses Gain (Loss), Investment and Derivative, Operating, and Foreign Currency Transaction, after Tax Dividend rate, percent Preferred Stock, Dividend Rate, Percentage Total interest expense and amortization of fees Interest Expense, Debt Thirty Madison, Inc. Thirty Madison, Inc. [Member] Thirty Madison, Inc. Investment Company, Change in Net Assets [Line Items] Investment Company, Change in Net Assets [Line Items] Investment Owned, Balance, Principal Amount Investment Owned, Balance, Principal Amount [Member] Investment Owned, Balance, Principal Amount Schedule of Offsetting Assets Offsetting Assets [Table Text Block] Total Environmental Services Environmental Services [Member] Environmental Services Name Trading Arrangement, Individual Name Unfunded commitments at end of period Unfunded Commitments Unfunded commitments Investment Company, Financial Support to Investee Contractually Required, Not Provided, Amount Forum Brands, LLC Forum Brands, LLC [Member] Forum Brands, LLC All Award Types Award Type [Domain] Equity Awards Adjustments Equity Awards Adjustments [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Other fees Other Income Construction Finance Corporation Construction Finance Corporation [Member] Construction Finance Corporation Compensation Amount Outstanding Recovery Compensation Amount Face amount Debt Instrument, Face Amount Special distributions declared per common share (in dollars per share) Common Stock, Special Dividends, Per Share Common Stock, Special Dividends, Per Share Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Business Products and Services Business Products and Services [Member] Business Products and Services Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Offsetting Assets [Table] Offsetting Assets [Table] Schedule of Investment Company, Components Of Distributable Earnings (Accumulated Losses) Investment Company, Components Of Distributable Earnings (Accumulated Losses) [Table Text Block] Investment Company, Components Of Distributable Earnings (Accumulated Losses) Preferred stock Preferred Stock [Member] Expiring during: Contractual Obligation, Fiscal Year Maturity [Abstract] Schedule of Investments [Line Items] Schedule of Investments [Line Items] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Investment, Issuer Affiliation [Domain] Investment, Issuer Affiliation [Domain] Name Awards Close in Time to MNPI Disclosures, Individual Name Roadsurfer GmbH Roadsurfer GmbH [Member] Roadsurfer GmbH Automation/Workflow Software Automation/Workflow Software [Member] Automation/Workflow Software Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Investment Management Agreement - Incentive Rate, Realized Capital Gains, Net Investment Management Agreement - Incentive Rate, Pre-Incentive Fee Net Investment Income Exceeds Catch-Up Threshold [Member] Investment Management Agreement - Incentive Rate, Pre-Incentive Fee Net Investment Income Exceeds Catch-Up Threshold ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Credit Loss [Abstract] Earth Services, Inc. Earth Services, Inc. [Member] Earth Services, Inc. Consumer Non-Durables Consumer Non-Durables [Member] Consumer Non-Durables Information Technology Information Technology [Member] Information Technology Supplemental Disclosures of Cash Flow Information: Interest Paid, Including Capitalized Interest, Operating and Investing Activities [Abstract] Financial Instruments [Domain] Financial Instruments [Domain] Liability Class [Axis] Liability Class [Axis] Auditor Firm ID Auditor Firm ID Funding and purchases of investments, at cost Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Asset coverage ratio, minimum Debt Instrument, Covenant, Asset Coverage Ratio, Minimum Debt Instrument, Covenant, Asset Coverage Ratio, Minimum Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Axis] E-Commerce - Personal Goods E-Commerce - Personal Goods [Member] E-Commerce - Personal Goods Unused Commitment Line of Credit Facility, Remaining Borrowing Capacity Financial Services Financial Services [Member] Financial Services Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Foreign currency adjustments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) Merama Inc. Merama Inc. [Member] Merama Inc. Net realized gains (losses) on investments Realized Investment Gains (Losses) [Member] Realized Investment Gains (Losses) Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Ratios / Supplemental Data Investment Company, Financial Ratios [Abstract] Statement of Financial Position Location, Balance [Domain] Statement of Financial Position Location, Balance [Domain] Dance GmbH Dance GmbH [Member] Dance GmbH Net Amount of Derivative Assets Derivative Asset, Subject to Master Netting Arrangement, after Offset and Deduction Other accrued expenses and liabilities Accrued Liabilities And Other Liabilities [Member] Accrued Liabilities And Other Liabilities Minimum Minimum [Member] Cash Collateral Received Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset Net change in unrealized gains/(losses) on investments (in dollars per share) Investment Company, Unrealized Gain (Loss) on Investment, Per Share Per Share Information Earnings Per Share, Policy [Policy Text Block] Company Selected Measure Name Company Selected Measure Name Senior Notes Senior Notes [Member] Derivatives Available for Offset Derivative Liability, Subject to Master Netting Arrangement, Asset Offset Ratio of expenses to average net asset value Investment Company, Expense Ratio before Incentive Allocation Borrowings Debt Disclosure [Text Block] Preferred stock, par value $0.01 per share (50,000,000 shares authorized; 525 shares issued and outstanding) Preferred Stock, Value, Issued Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Principal payments and proceeds from investments Proceeds from Disposition of Investment, Operating Activity All Executive Categories All Executive Categories [Member] Common stock, par value $0.01 per share Common Stock, Value, Issued Workmate Labs, Inc. Workmate Labs, Inc. [Member] Workmate Labs, Inc. Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Interest rate EOT Investment, Interest Rate, End of Term Investment, Interest Rate, End of Term Weighted average shares of common stock outstanding , Diluted (in shares) Weighted average shares of common stock outstanding for period, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and Contingencies (Note 7) Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Derivative [Table] Derivative [Table] Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] Unobservable Inputs Investment Company, Investment Owned, Measurement Input Quick Commerce Ltd. Quick Commerce Ltd. [Member] Quick Commerce Ltd. Preferred stock, outstanding (in shares) Beginning balance, preferred stock, outstanding (in shares) Ending balance, preferred stock, outstanding (in shares) Preferred Stock, Shares Outstanding Unused fee Line of Credit Facility, Commitment Fee Amount Document Transition Report Document Transition Report Logistics Logistics [Member] Logistics Idelic Inc. Idelic Inc. [Member] Idelic Inc. Canvas Construction Inc. Canvas Construction Inc. [Member] Canvas Construction Inc. Underlying Securities Award Underlying Securities Amount Number of portfolio companies Investment Company, Financial Commitment to Investee, Number Of Portfolio Companies Investment Company, Financial Commitment to Investee, Number Of Portfolio Companies Business to Business Marketplace Business to Business Marketplace [Member] Business to Business Marketplace Equity Component [Domain] Equity Component [Domain] 2027 Notes 2027 Notes [Member] 2027 Notes Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Investment Management Agreement - Incentive Rate, Pre-Incentive Fee Net Investment Income Investment Management Agreement - Incentive Rate, Pre-Incentive Fee Net Investment Income [Member] Investment Management Agreement - Incentive Rate, Pre-Incentive Fee Net Investment Income Distribution Investment Company, Dividend Distribution And Tax Return Of Capital Distribution Investment Company, Dividend Distribution And Tax Return Of Capital Distribution Income Taxes Income Tax Disclosure [Text Block] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Number of lenders Line Of Credit Facility, Number Of Lenders Line Of Credit Facility, Number Of Lenders Hedging Designation [Axis] Hedging Designation [Axis] Schedule of Investments [Table] Schedule of Investments [Table] Amortization and accretion of premiums and discounts, net and end-of term payments Amortization And Accretion Of Preimums And Discounts, net and End-Of Term Payments [Member] Amortization And Accretion Of Preimums And Discounts, net and End-Of Term Payments Document Type Document Type Level 3 Fair Value, Inputs, Level 3 [Member] Net Increase in Net Assets per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Paid-in capital in excess of par value Additional Paid in Capital Derivative Contract [Domain] Derivative Contract [Domain] Net increase (decrease) in net assets to average net asset value Investment Company, Increase (Decrease) In Net Assets To Average Net As, Percentageset Value Investment Company, Increase (Decrease) In Net Assets To Average Net As, Percentageset Value Proceeds from issuance of common stock Proceeds from Issuance of Common Stock FlashParking, Inc. FlashParking, Inc. [Member] FlashParking, Inc. All Individuals All Individuals [Member] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Excise tax payable Sales and Excise Tax Payable Name Forgone Recovery, Individual Name Distributions from distributable earnings (in dollars per share) Investment Company, Distribution to Shareholders, Per Share Unrealized Loss Unrealized Gain (Loss) on Derivatives Investment, tax basis, unrealized loss Investment, Tax Basis, Unrealized Gain (Loss) Statistical Measurement [Axis] Statistical Measurement [Axis] Ephemeral Solutions, Inc. Ephemeral Solutions, Inc. [Member] Ephemeral Solutions, Inc. Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] PlanHub, Inc. PlanHub, Inc. [Member] PlanHub, Inc. Certamen Ventures Inc. Certamen Ventures Inc. [Member] Certamen Ventures Inc. Hydrow, Inc. Hydrow, Inc. [Member] Hydrow, Inc. Advisory Agreement Advisory Agreement [Member] Advisory Agreement Financial Support for Nonconsolidated Legal Entity [Line Items] Financial Support for Nonconsolidated Legal Entity [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Karat Financial Technologies Incorporated Karat Financial Technologies Incorporated [Member] Karat Financial Technologies Incorporated Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Other income Noninterest Income, Other [Abstract] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] 2028 Investment Company, Financial Support to Investee Contractually Required, Not Provided, Amount, Year Four Investment Company, Financial Support to Investee Contractually Required, Not Provided, Amount, Year Four Nakdcom One World AB Nakdcom One World AB [Member] Nakdcom One World AB Probability Weighting of Alternative Outcomes Measurement Input, Probability Weighting of Alternative Outcomes [Member] Measurement Input, Probability Weighting of Alternative Outcomes Level 1 Fair Value, Inputs, Level 1 [Member] Revolving Credit Facility Revolving credit facility Long-Term Line of Credit Total investments, including derivative instruments Assets, Fair Value Disclosure, Including Derivative Instruments Assets, Fair Value Disclosure, Including Derivative Instruments Related Party Transaction [Table] Related Party Transaction [Table] Net investment income per common share, Diluted (in dollars per share) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Hybrid Equity Investment Hybrid Equity Investment [Member] Hybrid Equity Investment Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Business Applications Software Business Applications Software [Member] Business Applications Software Interest income from investments Interest Income, Operating 2027 Notes, Net 2027 Notes, Net [Member] 2027 Notes, Net MXP Prime Platform GmbH MXP Prime Platform GmbH [Member] MXP Prime Platform GmbH Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Internal Noninvestment Grade Internal Noninvestment Grade [Member] Common stock issued (in shares) Sale of Stock, Number of Shares Issued in Transaction Earnings Per Share [Abstract] Don't Run Out, Inc. Don't Run Out, Inc. [Member] Don't Run Out, Inc. Pair Team, PBC Pair Team, PBC [Member] Pair Team, PBC Auditor Location Auditor Location Well Dot, Inc. Well Dot, Inc. [Member] Well Dot, Inc. Sylva, Inc. Sylva, Inc. [Member] Sylva, Inc. Derivative Instruments Derivatives, Methods of Accounting, Derivatives Not Designated or Qualifying as Hedges [Policy Text Block] Administration Agreement expenses Administration agreement expenses Administrative Fees Expense Weighted average portfolio yield on debt investments Investment Company, Weighted Average Yield, Ratio Investment Company, Weighted Average Yield, Ratio Investment Company, Financial Highlights [Table] Investment Company, Financial Highlights [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Cash Equivalents Cash Equivalents [Member] Principal payments and sale proceeds received from investments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales and Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales and Settlements Parker Group Inc. Parker Group Inc. [Member] Parker Group Inc. Award Timing Disclosures [Line Items] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Changes in net asset value due to: Investment Company, Investment Income (Loss) from Operations, Per Share [Abstract] Interest rate margin Investment, Basis Spread, Variable Rate Equity Equity [Text Block] Other Accrued Expenses and Liabilities Other Accrued Expenses and Liabilities [Policy Text Block] Other Accrued Expenses and Liabilities OnSiteIQ, Inc. OnSiteIQ, Inc. [Member] OnSiteIQ, Inc. Shares Investment Owned, Balance, Shares Net increase (decrease) in net assets resulting from operations Net increase in net assets resulting from operations Net increase (decrease) in net assets resulting from operations Net increase (decrease) in net assets resulting from operations Net Income (Loss) Attributable to Parent Expiration Date Trading Arrangement Expiration Date Other Commitments [Domain] Other Commitments [Domain] Net investment income (in dollars per share) Investment Company, Investment Income (Loss), Per Share, Basic Entertainment Software Entertainment Software [Member] Entertainment Software Communication Software Communication Software [Member] Communication Software Capital gains incentive fee Incentive Fee Expense, Capital Gains Incentive Fee. Net Incentive Fee Expense, Capital Gains Incentive Fee. Net Payment-in-kind interest income Payment-in-kind interest on investments Interest Income, Operating, Paid in Kind Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Transfers between investments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers Series A Preferred Stock Series A Preferred Stock [Member] Entity Current Reporting Status Entity Current Reporting Status Derivative [Line Items] Derivative [Line Items] Incentive fee percentage Management and Service Fees, Incentive Rate Term Measurement Input, Expected Term [Member] Investment interest rate Investment Interest Rate Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Etched.ai, Inc. Etched.ai, Inc. [Member] Etched.ai, Inc. Line of Credit Line of Credit [Member] Total distributable earnings/(loss) Total Retained Earnings (Accumulated Deficit) Software Development Applications Software Development Applications [Member] Software Development Applications Financial Instrument [Axis] Financial Instrument [Axis] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Foreign currency forward contracts Foreign Exchange Forward [Member] Special distribution sourced from net investment income (in dollars per share) Investment Company, Distribution to Shareholders, Net Investment Income, Per Share Investment Company, Distribution to Shareholders, Net Investment Income, Per Share Skyflow Inc. Skyflow Inc. [Member] Skyflow Inc. Credit facility, average outstanding borrowings Line of Credit Facility, Average Outstanding Amount Class of Stock [Axis] Class of Stock [Axis] Current Fiscal Year End Date Current Fiscal Year End Date Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Statement [Table] Statement [Table] Adjustments to reconcile net increase (decrease) in net assets resulting from operations to net cash provided by (used in) operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash Flows from Financing Activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Accordion feature, higher borrowing capacity option Line of Credit Facility, Accordion Feature, Higher Borrowing Capacity Option Line of Credit Facility, Accordion Feature, Higher Borrowing Capacity Option Risk Free Rate Measurement Input, Risk Free Interest Rate [Member] Management and Incentive Fees Management and Investment Advisory Fees, Policy [Policy Text Block] Organization Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Schedule of Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Base management fee payable Increase (Decrease) in Management Fee Payable Commitments Activity Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] E-Commerce - Clothing and Accessories E-Commerce - Clothing and Accessories [Member] E-Commerce - Clothing and Accessories All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Price per share (in dollars per share) Sale of Stock, Price Per Share Placemakr, Inc. Placemakr, Inc. [Member] Placemakr, Inc. Commercial Services Commercial Services [Member] Commercial Services Deferred credit facility costs Debt Issuance Costs, Line of Credit Arrangements, Net Termination Date Trading Arrangement Termination Date Net cash (used in) provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Minted, Inc. Minted, Inc. [Member] Minted, Inc. Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Debt instrument, variable interest rate, type flag Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Net realized gains/(losses) on investments (in dollars per share) Investment Company, Realized Gain (Loss) on Investment, Per Share Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Derivative instruments Derivative, Fair Value, Net Schedule of Fair Value, Assets Measured on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Weighted average shares of common stock outstanding , Basic (in shares) Weighted average shares of common stock outstanding for period, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Investment income Investment Income, Net [Abstract] Per Share Data Investment Company, Financial Highlights [Roll Forward] Investment, Issuer Name [Axis] Investment, Issuer Name [Axis] Related Party Transaction [Domain] Related Party Transaction [Domain] Household Products Household Products [Member] Household Products Subsequent Events [Abstract] Segment Reporting [Abstract] Schedule of Investment Company, Change in Net Assets Investment Company, Change in Net Assets [Table Text Block] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Amortization of debt fees and issuance costs Amortization of costs and other fees Amortization of Debt Issuance Costs Total operating expenses Investment Income, Investment Expense Entity Tax Identification Number Entity Tax Identification Number 2025 Investment Company, Financial Support to Investee Contractually Required, Not Provided, Amount, Year One Investment Company, Financial Support to Investee Contractually Required, Not Provided, Amount, Year One Discounted Cash Flows Valuation Technique, Discounted Cash Flow [Member] Path Robotics, Inc. Path Robotics, Inc. [Member] Path Robotics, Inc. 2027 Investment Company, Financial Support to Investee Contractually Required, Not Provided, Amount, Year Three Investment Company, Financial Support to Investee Contractually Required, Not Provided, Amount, Year Three 2026 Investment Company, Financial Support to Investee Contractually Required, Not Provided, Amount, Year Two Investment Company, Financial Support to Investee Contractually Required, Not Provided, Amount, Year Two Operating expenses excluding incentive fees to average net asset value Investment Company, Operating Expense Ratio Before Incentive Allocation Investment Company, Operating Expense Ratio Before Incentive Allocation Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Common stock par value (in dollars per share) Common Stock, Par or Stated Value Per Share Educational Software Educational Software [Member] Educational Software Worldwide Freight Logistics Limited Worldwide Freight Logistics Limited [Member] Worldwide Freight Logistics Limited Zions Bancorporation, N.A. Zions Bancorporation, N.A. [Member] Zions Bancorporation, N.A. Schedule of Derivatives Not Designated as Hedging Instruments Derivatives Not Designated as Hedging Instruments [Table Text Block] Dependent on milestones Contractual Obligation, Contingent Commitments Contractual Obligation, Contingent Commitments Use of Estimates Use of Estimates, Policy [Policy Text Block] Entity Public Float Entity Public Float Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Infrastructure Infrastructure [Member] Infrastructure Derivatives Available for Offset Derivative Asset, Subject to Master Netting Arrangement, Liability Offset Subsequent Events Subsequent Events [Text Block] Alloy Technologies, Inc. Alloy Technologies, Inc. [Member] Alloy Technologies, Inc. Insider Trading Arrangements [Line Items] Unrealized gains (losses) Investment Company, Distributable Earnings (Loss), Accumulated Appreciation (Depreciation) OpenLoop Health, Inc. OpenLoop Health, Inc. [Member] OpenLoop Health, Inc. Equity investments Equity Securities [Member] Total liabilities Liabilities Total Commitment Total commitment Line of Credit Facility, Maximum Borrowing Capacity Preferred stock distributions from distributable earnings Dividends, Preferred Stock Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Number of subsidiaries Number of Wholly Owned Subsidiaries Number of Wholly Owned Subsidiaries Operating expenses Operating Expenses [Abstract] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] FRVR Limited FRVR Limited [Member] FRVR Limited Asset Class [Domain] Asset Class [Domain] Credit facility, average interest rate Line of Credit Facility, Interest Rate During Period Offsetting Assets [Line Items] Offsetting Assets [Line Items] Gain (loss) included in earnings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Non-cash Collateral Received Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Security Not Offset Issuance of common stock Stock Issued During Period, Value, New Issues New commitments Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Additions Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Additions Statement [Line Items] Statement [Line Items] Medical Software and Information Services Medical Software and Information Services [Member] Medical Software and Information Services Phantom Auto Inc. Phantom Auto Inc. [Member] Phantom Auto Inc. Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Counterparty Name [Axis] Counterparty Name [Axis] Total investment and other income Gross Investment Income, Operating Common stock Common Stock [Member] Fundings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Loft Orbital Solutions Inc Loft Orbital Solutions Inc. [Member] Loft Orbital Solutions Inc. Net change in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Secured Overnight Financing Rate (SOFR) [Member]