Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Statistical Measurement [Domain] Statistical Measurement [Domain] Investments at Fair Value Investment, Policy [Policy Text Block] Investment, Unaffiliated Issuer Investment, Unaffiliated Issuer [Member] Entertainment Entertainment Sector [Member] Ally Bank Ally Bank [Member] Ally Bank Award Timing Predetermined Award Timing Predetermined [Flag] Related Party Transaction [Axis] Related Party Transaction [Axis] Asset Class [Axis] Asset Class [Axis] Securities Act File Number Securities Act File Number Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Tabular List, Table Tabular List [Table Text Block] Net change in unrealized appreciation (depreciation) (in dollars per share) Investment Company, Gain (Loss) on Investment, Per Share Investments Schedule of Investments [Text Block] Number of loans acquired Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Number Of Loans Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Number Of Loans Number of shares issued in acquisition (in shares) Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares Schedule of Distributions Declared on Common Stock Dividends Declared [Table Text Block] New Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Secured Overnight Financing Rate (SOFR) Secured Overnight Financing Rate (SOFR) [Member] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Net increase (decrease) in net assets resulting from operations per share, basic (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Agreements and Related Party Transactions Related Party Transactions Disclosure [Text Block] Schedule of Components of Interest Expense Related to Credit Facilities Schedule of Line of Credit Facilities [Table Text Block] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Total increase (decrease) in net assets (in dollars per share) Investment Company, Net Asset Value, Per Share, Period Increase (Decrease) Measurement Input Type [Domain] Measurement Input Type [Domain] Adjustment to Compensation, Amount Adjustment to Compensation Amount % of Total Investments at Fair Value Concentration Risk, Percentage Affiliated Entity Affiliated Entity [Member] Net change in unrealized appreciation (depreciation) on non-controlled/ non-affiliated company investments Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss) Basis of Consolidation Consolidation, Policy [Policy Text Block] Employee Stock Option Share-Based Payment Arrangement, Option [Member] Organizational expenses Organizational Expense Organizational Expense Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Other general and administrative expenses Other general and administrative expenses Other General and Administrative Expense Cash Cash and Cash Equivalents, Policy [Policy Text Block] Total net assets Net assets, beginning of period Net assets, end of period Equity, Attributable to Parent Insider Trading Policies and Procedures [Line Items] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Net increase (decrease) in net assets from operations (in dollars per share) Investment Company, Investment Income (Loss) from Operations, Per Share 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] Investment company, number of loans Investment Company, Number Of Loans Investment Company, Number Of Loans Cover [Abstract] Maximum Maximum [Member] 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 Accounting Policies [Abstract] 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] Prior Onshore Credit Facility Prior Onshore Credit Facility [Member] Prior Onshore Credit Facility Investment, Identifier [Axis] Investment, Identifier [Axis] Dividends Payable [Line Items] Dividends Payable [Line Items] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Non-controlled, non-affiliated investments (cost of $893,237 and $876,688 at March 31, 2026 and December 31, 2025, respectively) Fair Value Total investments Investment Owned, Fair Value 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 Weighted average interest rate (as percent) Long-Term Debt, Weighted Average Interest Rate, over Time Average borrowings Long-Term Debt, Average Amount Outstanding Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] 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] Statement of Stockholders' Equity [Abstract] Interest, dividends and fee receivable Increase (Decrease) in Interest and Dividends Receivable Administration Agreement Administration Agreement [Member] Administration Agreement Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Cash Cash Award Timing MNPI Considered Award Timing MNPI Considered [Flag] 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] Agreement term (in years) Related Party Transaction, Term Related Party Transaction, Term Measurement Input Type [Axis] Measurement Input Type [Axis] Investment, Issuer Affiliation [Axis] Investment, Issuer Affiliation [Axis] Name Measure Name Secured Debt Secured Debt [Member] Management fees Management Fee Expense Industry Sector [Domain] Industry Sector [Domain] Document Fiscal Period Focus Document Fiscal Period Focus Entity shares issued per acquiree share (in shares) Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Entity Shares Issued Per Acquiree Share Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Entity Shares Issued Per Acquiree Share Proceeds from principal repayments and sales of 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 Award Timing Method Award Timing Method [Text Block] Award Type Award Type [Axis] Aggregate amount of debt outstanding Carrying Value Long-Term Debt Total assets Assets Total assets Assets Yield Analysis Valuation Technique, Yield Analysis [Member] Valuation Technique, Yield Analysis Measurement Input Yield Rate Measurement Input, Yield Rate [Member] Measurement Input, Yield Rate Income Taxes Income Tax, Policy [Policy Text Block] Accrued expenses and other 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] Repayments of purchase agreements Payments For Securities Sold Under Agreements To Purchase Payments For Securities Sold Under Agreements To Purchase Receivable for investments sold Receivable, Investment, Sale Concentration Risk Type [Axis] Concentration Risk Type [Axis] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Emerging Growth Company Entity Emerging Growth Company Amount Per Share (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Par Amount/Units Investment Owned, Balance, Principal Amount 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] Level 2 Fair Value, Inputs, Level 2 [Member] Deferred financing costs Debt Issuance Costs, Net Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Common stock, shares, outstanding (in shares) Shares Outstanding, end of period (in shares) Common Stock, Shares, Outstanding PEO PEO [Member] Transfers into Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Foreign currency translation Unrealized Gain (Loss), Foreign Currency Transaction, before Tax Accrued capital gains incentive fees Increase (Decrease) in Incentive Fee Payable, Capital-Gain-Based Changes in operating assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] 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] Schedule of Sale of Stock Schedule Of Sale Of Stock [Table Text Block] Schedule Of Sale Of Stock Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Cash, beginning of period Cash, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Basis spread on variable rate (as percent) Debt Instrument, Basis Spread on Variable Rate Professional Services Professional Services [Member] Professional Services Total increase (decrease) in net assets Stockholders' Equity, Period Increase (Decrease) Fair value, beginning of period Fair value, end of period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value City National Bank City National Bank [Member] City National Bank Interest payable Increase (Decrease) in Interest Payable, Net Purchases of investment securities Payment for Purchase, Investment, Operating Activity Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Prior Offshore Credit Facility Prior Offshore Credit Facility [Member] Prior Offshore Credit Facility Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Total Return (as percent) Investment Company, Total Return Borrowing interest expense Interest Expense, Debt, Excluding Amortization Net change in unrealized appreciation (depreciation): Realized Gain (Loss), Investment and Derivative, Operating, before Tax [Abstract] Per share data Investment Company, Per Share Data [Abstract] Investment Company, Per Share Data Prime Rate Prime Rate [Member] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Distributions to common shareholders Distributions Distributions declared Investment Company, Dividend Distribution Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Total expenses Investment Income, Investment Expense, Including Deferred Offering Costs Investment Income, Investment Expense, Including Deferred Offering Costs 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] Commitments and Contingencies Disclosure [Abstract] Ratio of net expenses to average net assets (as percent) Investment Company, Expense Ratio Including Fee Waiver And Reimbursements Investment Company, Expense Ratio Including Fee Waiver And Reimbursements Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash provided by (used in) operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Private Debt Private Debt Private Debt Debt Securities, Private Debt [Member] Debt Securities, Private Debt Related Party Transactions [Abstract] Subsequent Event Subsequent Event [Member] Net increase (decrease) in net assets resulting from operations Unrealized Gain (Loss), Investment and Derivative, Operating, and Foreign Currency Transaction, Before Tax Unrealized Gain (Loss), Investment and Derivative, Operating, and Foreign Currency Transaction, Before Tax Investment income incentive fees Investment income incentive fees Incentive Fee Expense, Income-Based 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] Containers and Packaging Container and Packaging Sector [Member] Interest rate, paid in kind (as percent) Investment, Interest Rate, Paid in Kind Schedule of Investments [Abstract] Net investment income (loss) per share diluted (in dollars per share) Investment Company, Investment Income (Loss), Per Share, Diluted Entity Ex Transition Period Entity Ex Transition Period Transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Number of reportable segments Number of Reportable Segments Schedule of Financial Highlights Investment Company, Financial Highlights [Table Text Block] Total operating expenses to average net assets (as percent) Investment Company, Expense Ratio, Before Voluntary Fee Waiver Deduction Investment Company, Expense Ratio, Before Voluntary Fee Waiver Deduction Accretion of discount/amortization of premium Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Accretion (Amortization) Of Discounts and Premiums Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Accretion (Amortization) Of Discounts and Premiums Supplemental Disclosure of Cash Flow Information Supplemental Cash Flow Information [Abstract] Capital gains incentive fees Incentive fee expense (reversal), capital-gain-based Incentive Fee Expense (Reversal), Capital-Gain-Based Incentive Fee Expense (Reversal), Capital-Gain-Based Other Performance Measure, Amount Other Performance Measure, Amount Supplemental Data Investment Company, Supplemental Data [Abstract] Investment Company, Supplemental Data Deferred financing costs paid Payments of Debt Issuance Costs Entity Address, State or Province Entity Address, State or Province Ratio of net investment income (loss) to average net assets (as percent) Investment Company, Investment Income (Loss) Ratio O 2025 M3 Aggregate Dividends O 2026 M3 Aggregate Dividends [Member] O 2026 M3 Aggregate Dividends Unused Portion Debt Instrument, Unused Borrowing Capacity, Amount Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Investment Company, Net Assets [Roll Forward] Investment Company, Net Assets [Roll Forward] Individual: Individual [Axis] Distributions paid in cash Payments of Ordinary Dividends, Common Stock 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] Specialty Retail Specialty Retail [Member] Specialty Retail Cash paid during the period for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Document Fiscal Year Focus Basis of Financial Statement Presentation Basis of Accounting, Policy [Policy Text Block] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Repayments of borrowing Repayments of Long-Term Debt Entity Interactive Data Current Entity Interactive Data Current Onshore Merger Agreement Onshore Merger Agreement [Member] Onshore Merger Agreement Total capital commitments, end of period Investment Company, Committed Capital Equity [Abstract] Health Care Providers & Services Healthcare Sector [Member] Schedule of Amounts and Shares Issued to Shareholders Schedule Of Dividend Reinvestment Plan [Table Text Block] Schedule Of Dividend Reinvestment Plan Segment Reporting Segment Reporting Disclosure [Text Block] Non-controlled/non-affiliated investments, at cost Cost Amortized Cost Investment Owned, Cost 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] Other Commitments [Line Items] Other Commitments [Line Items] Energy Equipment & Services Energy & Equipment Services [Member] Energy & Equipment Services Line of credit facility, borrowing base, percentage of unfunded capital commitments Line Of Credit Facility, Borrowing Base, Percentage Of Unfunded Capital Commitments Line Of Credit Facility, Borrowing Base, Percentage Of Unfunded Capital Commitments Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Weighted Average Unobservable Input Weighted Average [Member] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Net asset value per share (in dollars per share) Net asset value, beginning of period (in dollars per share) Net asset value, ending of period (in dollars per share) Net Asset Value Per Share Entity Central Index Key Entity Central Index Key PEO Name PEO Name Net Proceeds Sale of Stock, Consideration Received on Transaction 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 Revolving Credit Facility Revolving Credit Facility [Member] Arrangement Duration Trading Arrangement Duration Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Investment Management Agreement - Incentive Rate, Annualized Catch-Up Threshold Investment Management Agreement - Incentive Rate, Annualized Catch-Up Threshold [Member] Investment Management Agreement - Incentive Rate, Annualized Catch-Up Threshold Software Software [Member] Software Payable for investments purchased Increase (Decrease) in Payable for Investment Purchased Assets Assets [Abstract] Borrowings Long-Term Debt, Excluding Current Maturities Credit Facility [Axis] Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Debt Instrument [Axis] Debt Instrument [Axis] Fair Value of Investments Fair Value Disclosures [Text Block] Schedule of Unfunded Commitments by Investment Type Schedule For Financial Support For Nonconsolidated Entity [Table Text Block] Schedule For Financial Support For Nonconsolidated Entity Credit Facility [Domain] Credit Facility [Domain] Non-controlled, non-affiliated investments Net change in unrealized (appreciation) depreciation on investments Debt and Equity Securities, Unrealized Gain (Loss) Net Assets Equity, Attributable to Parent [Abstract] 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] % 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 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 Accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Investments [Domain] Investments [Domain] Accrued capital gains incentive fees Incentive Fee Payable, Capital-Gain-Based Base management fee (as percent) Management and Service Fees, Base Rate Industry Sector [Axis] Industry Sector [Axis] Management fees payable Management Fee Payable Investment Company [Abstract] 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 Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Schedule of Outstanding Borrowings Schedule of Long-Term Debt Instruments [Table Text Block] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Commercial Services & Suppliers Commercial Services And Suppliers [Member] Commercial Services And Suppliers Document Quarterly Report Document Quarterly Report Capital share transactions: Investment Company, Capital Share Transaction, Increase (Decrease) [Abstract] Schedule of Quantitative Information About Significant Unobservable Inputs of Level 3 Investments Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Number of operating segments Number of Operating Segments Net amortization of investment discounts and premiums Accretion (Amortization) of Discounts and Premiums, Investments Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Net increase (decrease) in net assets resulting from operations: Net Income (Loss), Including Portion Attributable to Noncontrolling Interest [Abstract] 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 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] Interest and borrowing expenses Total interest and debt financing expense Interest and Debt Expense Prepaid expenses and other assets Prepaid Expense and Other Assets Restatement Determination Date: Restatement Determination Date [Axis] Non-PEO NEO Non-PEO NEO [Member] Investment Management Agreement - Incentive Rate, Investment Income Investment Management Agreement - Incentive Rate, Investment Income [Member] Investment Management Agreement - Incentive Rate, Investment Income Health Care Equipment & Supplies Health Care Equipment & Supplies [Member] Health Care Equipment & Supplies Name Trading Arrangement, Individual Name Unfunded commitment Unfunded Commitment Investment Company, Financial Support to Investee Contractually Required, Not Provided, Amount All Award Types Award Type [Domain] Equity Awards Adjustments Equity Awards Adjustments [Member] Interest and fee income paid in kind Other Noncash Income (Expense) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Other income Other Income Compensation Amount Outstanding Recovery Compensation Amount Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Investment Management Agreement - Incentive Rate, Quarterly Floor Investment Management Agreement - Incentive Rate, Quarterly Floor [Member] Investment Management Agreement - Incentive Rate, Quarterly Floor Subscription Line Subscription Line Subscription Facility [Member] Subscription Facility 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 Investment Type Concentration Risk Investment Type Concentration Risk [Member] Investment Type Concentration Risk Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Investment income: Revenues [Abstract] Unused capacity, accrual period threshold percentage Line of Credit Facility, Unused Capacity, Accrual Period Threshold Percentage Line of Credit Facility, Unused Capacity, Accrual Period Threshold Percentage Cash equivalents held Cash Equivalents, at Carrying Value Financial Instruments [Domain] Financial Instruments [Domain] Purchases of investments (including PIK, if any) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Minimum Minimum [Member] Company Selected Measure Name Company Selected Measure Name Revenue Recognition Revenue [Policy Text Block] Borrowings Debt Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Portfolio turnover rate (as percent) Investment Company, Portfolio Turnover Credit Facility Credit Facility A&R Credit Facility [Member] A&R Credit Facility Interest payable Interest Payable Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Proceeds from sales and principal repayments of investment securities Proceeds from Disposition of Investment, Operating Activity Construction & Engineering Construction And Engineering [Member] Construction And Engineering All Executive Categories All Executive Categories [Member] Common stock, $0.01 par value, 200,000,000 shares authorized, 26,235,272 and 24,058,078 shares issued and outstanding as of March 31, 2026 and December 31, 2025, respectively Common Stock, Value, Issued Agreement termination upon written notice, period (in days) Related Party Transaction, Termination Upon Written Notice, Period Related Party Transaction, Termination Upon Written Notice, Period Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Weighted average shares of common stock outstanding (diluted) (in shares) Weighted average shares outstanding (diluted) (in shares) Weighted Average Number of Shares Outstanding, Diluted Investment company, number of borrowers Investment Company, Number Of Borrowers Investment Company, Number Of Borrowers Commitments and contingencies (see Note 7) Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Asset coverage ratio Investment Company, Senior Security, Indebtedness, Asset Coverage Ratio Business Combination [Axis] Business Combination [Axis] Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] Unobservable Inputs Investment Company, Investment Owned, Measurement Input Unused facility fee Line of Credit Facility, Commitment Fee Amount Distribution payable Distribution Payable Document Transition Report Document Transition Report Schedule of Investment-Income Component of Incentive Fee Investment Income [Table Text Block] Investment Owned, At Fair Value Investment Owned, At Fair Value [Member] Investment Owned, At Fair Value Underlying Securities Award Underlying Securities Amount Document Period End Date Document Period End Date Offering expenses Investment Company, Offering Costs Incurred Investment Company, Offering Costs Incurred PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Tax Information Income Tax Disclosure [Text Block] Number of borrowers acquired Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Number Of Borrowers Business Combination, Recognized Identifiable Assets Acquired And Liabilities Assumed, Number Of Borrowers Participation Agreements Participation Agreements [Member] Participation Agreements Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Schedule of Investments [Table] Schedule of Investments [Table] Ratio of total contributed capital to total committed capital, end of period (as percent) Investment Company, Contributed Capital to Committed Capital Ratio Insurance Insurance Sector [Member] Multi-Utilities Multi-Utilities [Member] Multi-Utilities Document Type Document Type Level 3 Fair Value, Inputs, Level 3 [Member] Earnings Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Additional paid in capital Additional Paid in Capital Proceeds from issuance of common stock Gross Proceeds Proceeds from Issuance of Common Stock All Individuals All Individuals [Member] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Fair Value Disclosures [Abstract] Name Forgone Recovery, Individual Name Distributions declared (in dollars per share) Investment Company, Distribution to Shareholders, Per Share Net realized and unrealized gain (loss) Net realized and unrealized gain (loss) Gain (Loss), Investment and Derivative, Operating, and Foreign Currency Transaction, before Tax Statistical Measurement [Axis] Statistical Measurement [Axis] 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] Unused facility (as percent) Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Net increase (decrease) from capital share transactions Investment Company, Capital Share Transaction and Dividend Distribution, Increase (Decrease) Investment Company, Capital Share Transaction and Dividend Distribution, Increase (Decrease) Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Macquarie Bank Limited Macquarie Bank Limited [Member] Macquarie Bank Limited Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Level 1 Fair Value, Inputs, Level 1 [Member] Related Party Transaction [Table] Related Party Transaction [Table] Net increase (decrease) in net assets resulting from operations per share, diluted (in dollars per share) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Hotels, Restaurants & Leisure Hotels, Restaurants, And Leisure [Member] Hotels, Restaurants, And Leisure Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Number of Shares Issued (in shares) Sale of Stock, Number of Shares Issued in Transaction Dividends [Axis] Dividends [Axis] Issuance of common stock from dividend reinvestment plan DRIP Value Stock Issued During Period, Value, Dividend Reinvestment Plan Per share information - basic and diluted Earnings Per Share [Abstract] Net investment income Net investment income (loss) Investment Income, Operating, after Expense and Tax Investments, Debt and Equity Securities [Abstract] 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 Distributions and Dividend Reinvestment Dividend Distributions And Reinvestment [Text Block] Dividend Distributions And Reinvestment A&R Credit Facility, Non-Usage Fee Component 1 A&R Credit Facility, Non-Usage Fee Component 1 [Member] A&R Credit Facility, Non-Usage Fee Component 1 Interest income Interest Income, Operating, Paid in Cash Administration fees Administrative Fees Expense Cash paid during the period for taxes Income Taxes Paid, Net Financial Services Financial Services Sector [Member] Unused capacity fee (as percent) Line of Credit Facility, Unused Capacity, Fee Percentage Line of Credit Facility, Unused Capacity, Fee Percentage Diversified Consumer Services Diversified Consumer Services [Member] Diversified Consumer Services Award Timing Disclosures [Line Items] Investment Management Agreement - Incentive Rate, Pre-Incentive Fee Net Investment Income Below Catch-Up Threshold Investment Management Agreement - Incentive Rate, Pre-Incentive Fee Net Investment Income Below Catch-Up Threshold [Member] Investment Management Agreement - Incentive Rate, Pre-Incentive Fee Net Investment Income Below Catch-Up Threshold Outstanding Principal Long-Term Debt, Gross Investment income incentive fees payable Increase (Decrease) in Incentive Fee Payable, Income-Based Reference Rate and Spread (as percent) Investment, Basis Spread, Variable Rate Net Assets Equity [Text Block] Net increase (decrease) 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 Subsequent Event [Table] Subsequent Event [Table] Dividends [Domain] Dividends [Domain] Expiration Date Trading Arrangement Expiration Date Net investment income (loss) per share basic (in dollars per share) Net investment income (loss) (in dollars per share) Investment Company, Investment Income (Loss), Per Share, Basic Receivable for investments sold Increase (Decrease) in Receivables under Repurchase Agreements PIK interest income Interest Income, Operating, Paid in Kind Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Entity Current Reporting Status Entity Current Reporting Status Offshore Merger Agreement Offshore Merger Agreement [Member] Offshore Merger Agreement Schedule of Composition of Investment Portfolio at Cost and Fair Value Investment Holdings, Schedule of Investments [Table Text Block] Pre-incentive fee net investment income (as percent) Incentive fee (as percent) Management and Service Fees, Incentive Rate Interest Rate (as percent) Investment Interest Rate Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Investment Management Agreement - Incentive Rate, Pre-Incentive Fee Net Investment Income Exceeds Catch-Up Threshold 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 Line of Credit Line of Credit [Member] Distributable earnings (loss) Retained Earnings (Accumulated Deficit) Recent Transaction Valuation Technique, Recent Transaction [Member] Valuation Technique, Recent Transaction 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] Average borrowings Line of Credit Facility, Average Outstanding Amount Proceeds from borrowing Proceeds from Issuance of Long-Term Debt Current Fiscal Year End Date Current Fiscal Year End Date Investment Management Agreement Investment Management Agreement [Member] Investment Management Agreement Subsequent Event Type [Domain] Subsequent Event Type [Domain] 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] Professional fees Professional Fees 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 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