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Harness Inc. [Member] Harness Inc. Debt commitments Debt Commitments [Member] Debt Commitments Athena CLO II AAA(sf) Class A-R Notes Athena CLO II AAA(sf) Class A-R Notes [Member] Athena CLO II AAA(sf) Class A-R Notes Commitment Fee, Period [Axis] Commitment Fee, Period [Axis] Commitment Fee, Period Schedule of Shares Distributed, Dividend Reinvestment Plan Schedule Of Shares Distributed, Dividend Reinvestment Plan [Table Text Block] Schedule Of Shares Distributed, Dividend Reinvestment Plan Investment Income Revenues [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Financial Support to Nonconsolidated Legal Entity [Domain] Financial Support to Nonconsolidated Legal Entity [Domain] Specialty finance debt investments Specialty Finance Specialty Finance Debt Investments [Member] Specialty Finance Debt Investments Asset Acquisition [Table] Asset Acquisition [Table] Statistical Measurement [Domain] Statistical Measurement [Domain] Net change in unrealized gain (loss): Net UnRealized Gains Losses [Abstract] Net UnRealized Gains Losses Commitment Fee, Period [Domain] Commitment Fee, Period [Domain] Commitment Fee, Period [Domain] Capital Markets Capital Market [Member] Capital Market Document Fiscal Year Focus Option Pricing Model Valuation Technique, Option Pricing Model [Member] O 2026 Q3 Supplemental Dividends O 2026 Q3 Supplemental Dividends [Member] O 2026 Q3 Supplemental Dividends Payment-in-kind Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Payment-In-Kind Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Payment-In-Kind Common shares $0.01 par value, 1,000,000,000 shares authorized; 452,612,089 and 464,047,623 shares issued and outstanding, respectively Common Stock, Value, Issued Interest expense Interest Expense, Operating and Nonoperating Schedule of Debt Obligations Schedule of Long-Term Debt Instruments [Table Text Block] Variable Rate Component, Three Variable Rate Component, Three [Member] Variable Rate Component, Three Line of Credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Amergin AssetCo Amergin AssetCo [Member] Amergin AssetCo Non-controlled, non-affiliated investments Investment, Unaffiliated Issuer [Member] Threshold investment percentage Investment Company, Technology-Related Companies, Investment Threshold Investment Company, Technology-Related Companies, Investment Threshold March 2028 Notes December 2025 Notes [Member] December 2025 Notes Before Exchange Listing Investment Advisory Agreement, Incentive Rate, Before Exchange Listing, Annualized Cath-up Threshold [Member] Investment Advisory Agreement, Incentive Rate, Before Exchange Listing, Annualized Cath-up Threshold South US South Region [Member] Amendment Flag Athena CLO II Class A Notes Athena CLO II Class A Notes [Member] Athena CLO II Class A Notes 2026 Stock Repurchase Program 2026 Stock Repurchase Program [Member] 2026 Stock Repurchase Program Quarterly Hurdle Rate Investment Advisory Agreement - Incentive Rate, Before Exchange Listing, Quarterly Hurdle Rate [Member] Investment Advisory Agreement - Incentive Rate, Before Exchange Listing, Quarterly Hurdle Rate Net Investment Income (Loss) Before Taxes Net investment income (loss) Net investment income (loss) before taxes Net Investment Income Market Yield Measurement Input, Gross Profit Multiple [Member] Measurement Input, Gross Profit Multiple Investments [Domain] Investments [Domain] Increase (decrease) in management fee payable Increase (Decrease) in Management Fee Payable Athena CLO II AA(sf) Class B-1 Notes Athena CLO II AA(sf) Class B-1 Notes [Member] Athena CLO II AA(sf) Class B-1 Notes Issuance of common shares in connection with the Mergers Stock Issued During Period, Value, Acquisitions Equity Commitment Equity Commitment [Member] Equity Commitment Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Athena CLO II Refinancing Athena CLO II Refinancing [Member] Athena CLO II Refinancing Entity Address, State or Province Athena Funding I LLC Athena Funding I LLC [Member] Athena Funding I LLC Aerospace & Defense Aerospace & Defense Aerospace Sector [Member] PEO Total Compensation Amount PEO Total Compensation Amount Total Debt Line of Credit Facility, Maximum Borrowing Capacity And Debt Instrument, Face Amount Line of Credit Facility, Maximum Borrowing Capacity And Debt Instrument, Face Amount Specialty Retail Retail Sector [Member] Specialty Retail Specialty Retail [Member] Specialty Retail Increase (decrease) in accrued expenses and other liabilities Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Foreign currency forward contract CAD Canadian Dollar Foreign Currency Forward Contract [Member] Canadian Dollar Foreign Currency Forward Contract Notional amount Notional Amount to be Purchased/ Sold Derivative, Notional Amount Weighted Average Shares Outstanding - Basic (in shares) Weighted average shares of common stock outstanding—basic (in shares) Weighted-average shares outstanding—basic (in shares) Weighted Average Number of Shares Outstanding, Basic Schedule of Related Party Transactions Schedule of Related Party Transactions [Table Text Block] Schedule of Investments [Abstract] Beverages Beverages Beverages [Member] Beverages Gross borrowing base Debt Instrument, Gross Borrowing Base, Minimum Debt Instrument, Gross Borrowing Base, Minimum Total purchase price Asset Acquisition, Consideration Transferred Line of credit facility, including the accordion feature Line of Credit Facility, Maximum Borrowing Capacity, Including Accordion Feature Line of Credit Facility, Maximum Borrowing Capacity, Including Accordion Feature Average daily borrowings Long-Term Debt, Average Amount Outstanding Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Other assets Asset Acquisition, Other Assets Asset Acquisition, Other Assets Reinvestment of distributions Reinvestment of distributions during the period Stock Issued During Period, Value, Dividend Reinvestment Plan Gross Reductions Investments in and Advances to Affiliates, at Fair Value, Gross Reductions Repurchase of common shares (in USD per share) Investment Company, Repurchase Of Common Shares, Per Share Investment Company, Repurchase Of Common Shares, Per Share Aggregate Principal Committed Line of Credit Facility, Maximum Borrowing Capacity Performance based incentive fees based on capital gains Incentive Fee Expense (Reversal) Incentive Fee Expense (Reversal) Total increase (decrease) in net assets (in USD per share) Investment Company, Net Asset Value, Per Share, Period Increase (Decrease) Investments Schedule of Investments [Text Block] Less than 1 year Contractual Obligation, To Be Paid, Less Than One Year Contractual Obligation, To Be Paid, Less Than One Year Realized Capital Gains Investment Advisory Agreement - Incentive Rate, Before Exchange Listing, Realized Capital Gains [Member] Investment Advisory Agreement - Incentive Rate, Before Exchange Listing, Realized Capital Gains Total Operating Expenses Investment Income, Investment Expense New Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Debt And Equity Commitment Debt And Equity Commitment [Member] Debt And Equity Commitment Merger with Blue Owl Technology Finance Corp. II Asset Acquisition [Text Block] Amortization of debt issuance costs Amortization of debt issuance costs, net Amortization of Debt Issuance Costs Unsecured debt investments Unsecured debt investments Unsecured Unsecured Debt [Member] Goldman Sachs Bank USA Goldman Sachs Bank USA [Member] Goldman Sachs Bank USA (Increase) decrease in receivable from a controlled affiliate Increase (Decrease) Due from Affiliates Dividend reinvestment plan shares (in shares) Stock Issued During Period, Shares, Dividend Reinvestment Plan Commercial Services & Supplies Commercial Services & Supplies Commercial Services & Supplies [Member] Commercial Services & Supplies Debt (net of unamortized debt issuance costs of $93,204 and $84,123, respectively) Total Debt (net of unamortized debt issuance costs) Net Carrying Value Long-Term Debt Net Contributed Capital Investment Company, Average Net Assets Investments, at fair value (amortized cost of $5,541,254) Asset Acquisition, Investments, Fair Value Asset Acquisition, Investments, Fair Value 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] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Cash collateral received Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset Schedule of Outstanding Commitments Schedule For Financial Support For Nonconsolidated Entity [Table Text Block] Schedule For Financial Support For Nonconsolidated Entity Net Assets Equity [Text Block] Security Exchange Name Health Care Technology Health Care Technology Healthcare Technology [Member] Healthcare Technology Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Variable Rate Component, One Variable Rate Component, One [Member] Variable Rate Component, One Performance based incentive fees based on net investment income Incentive Fee Based On Net Investment Income Incentive Fee Based On Net Investment Income Pre-Incentive Fee Net Investment Income, Quarterly Threshold Investment Advisory Agreement - Incentive Rate, After Exchange Listing, Pre-Incentive Fee Net Investment Income, Quarterly Threshold [Member] Investment Advisory Agreement - Incentive Rate, After Exchange Listing, Pre-Incentive Fee Net Investment Income, Quarterly Threshold Reimbursed fees and expenses, percentage Asset Acquisition, Reimbursed Fees And Expenses, Percentage Asset Acquisition, Reimbursed Fees And Expenses, Percentage Net realized gain (loss): Net Realized Gains (Losses) [Abstract] Net Realized Gains (Losses) Foreign currency forward contract AUD Australian Dollar Foreign Currency Forward Contract [Member] Australian Dollar Foreign Currency Forward Contract Internet & Direct Marketing Retail Internet & Direct Marketing Retail Internet & Direct Marketing Retail [Member] Internet & Direct Marketing Retail Total Increase (Decrease) in Net Assets Stockholders' Equity, Period Increase (Decrease) Asset coverage ratio, minimum Debt Instrument, Covenant Terms, Asset Coverage Ratio, Minimum Debt Instrument, Covenant Terms, Asset Coverage Ratio, Minimum Directors' fees Director Fee Segment Reporting Segment Reporting, Policy [Policy Text Block] Name Outstanding Recovery, Individual Name Athena CLO IV Class B-1 Notes Athena CLO IV Class B-1 Notes [Member] Athena CLO IV Class B-1 Notes Athena CLO IV Class A Notes Athena CLO IV Class A Notes [Member] Athena CLO IV Class A Notes Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Dividend and PIK Dividend Income Dividend And PIK Dividend Income, Paid In Kind Dividend And PIK Dividend Income, Paid In Kind Geographical [Domain] Geographical [Domain] Schedule of Components of Interest Expense Interest Income and Interest Expense Disclosure [Table Text Block] 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] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Food & Staples Retailing Food & Staples Retailing Food & Staples Retailing [Member] Food & Staples Retailing CLO 2020-1 A CLO 2020-1 A [Member] CLO 2020-1 A Schedule of Investments [Table] Schedule of Investments [Table] Unrealized loss for U.S. federal income tax purposes Investment, Tax Basis, Unrealized Loss Net change in unrealized (gain) loss on interest rate swaps attributed to unsecured notes Total Net Change in Unrealized Gain (Loss) Unrealized Gain (Loss) on Derivatives O 2026 Q3 Dividends O 2026 Q3 Dividends [Member] O 2026 Q3 Dividends Outstanding Principal Long-Term Debt, Gross Debt Securities Debt Securities [Member] Asset Class [Domain] Asset Class [Domain] Related Party Transactions [Abstract] Retained Investment in Business Retained Investment in Business [Member] Debt Issuance Costs Debt, Policy [Policy Text Block] Investment owned, restricted, cost Investment Owned, Restricted, Cost Multiline Retail Multiline Retail Multiline Retail [Member] Multiline Retail Compensation Amount Outstanding Recovery Compensation Amount ABF - Leasing ABF - Leasing [Member] ABF - Leasing Individual: Individual [Axis] Weighted Average Shares Outstanding - Diluted (in shares) Weighted average shares of common stock outstanding—diluted (in shares) Weighted-average shares outstanding—diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Entity Emerging Growth Company Related Party Transaction [Line Items] Related Party Transaction [Line Items] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Derivative Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Discounted Factor Discounted Cash Flow [Member] Discounted Cash Flow Liabilities Derivative Liability, Subject to Master Netting Arrangement, before Offset Line of credit facility drawn amount threshold percentage Line Of Credit Facility Drawn Amount Threshold Percentage Line Of Credit Facility Drawn Amount Threshold Percentage Interest receivable Asset Acquisition, Interest Receivable Asset Acquisition, Interest Receivable Receivable from a controlled affiliate Other Receivables Total commitments Investment Commitment, Amount Investment Commitment, Amount Net realized (gain) loss on foreign currency transactions relating to debt Foreign Currency Transaction Gain (Loss), Realized, Debt Foreign Currency Transaction Gain (Loss), Realized, Debt Outstanding letters of credit Letters of Credit Outstanding, Amount 1-3 years Contractual Obligation, To Be Paid, One To Three Years Contractual Obligation, To Be Paid, One To Three Years Investment owned, percentage Investment Company, Investment Owned, Percentage Investment Company, Investment Owned, Percentage Investment Company, Net Assets [Roll Forward] Investment Company, Net Assets [Roll Forward] Organization, Consolidation and Presentation of Financial Statements [Abstract] Miscellaneous Debt Commitments, Netting Miscellaneous Debt Commitments, Netting [Member] Miscellaneous Debt Commitments, Netting Cash acquired in the Mergers Cash Acquired In The Mergers Cash Acquired In The Mergers Ratio of net investment income to average net assets Investment Company, Investment Income (Loss) Ratio Construction & Engineering Construction & Engineering Construction Sector [Member] All Executive Categories All Executive Categories [Member] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Athena CLO II Class A-L Loans Athena CLO II Class A-L Loans [Member] Athena CLO II Class A-L Loans SPV Asset Facility VI SPV Asset Facility VI [Member] SPV Asset Facility VI Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Asset Acquisition [Domain] Asset Acquisition [Domain] Asset coverage ratio Investment Company, Senior Security, Indebtedness, Asset Coverage Ratio Distributions to Common Shareholders Investment Company, Distribution [Policy Text Block] Schedule of Computation for Basic and Diluted Earnings (Loss) Per Common Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Debt Disclosure [Abstract] Investment Company, Nonconsolidated Subsidiary [Domain] Investment Company, Nonconsolidated Subsidiary [Domain] Minimum Minimum [Member] Investment Type [Axis] Investment Type [Axis] Investments at fair value Investments, Fair Value Disclosure Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Liabilities Liabilities [Abstract] Effect of exchange rate changes on foreign cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement Location [Axis] Location, Statement of Income, Balance [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Total liabilities assumed Asset Acquisition, Liabilities Asset Acquisition, Liabilities 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] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Euro Foreign Currency Forward Contract 3/22/2027 Euro Foreign Currency Forward Contract 3/22/2027 [Member] Euro Foreign Currency Forward Contract 3/22/2027 Payables to affiliates Other Liabilities Debt agreement event two Debt Agreement, Event Two [Member] Debt Agreement, Event Two SPV Asset Facility IV SPV Asset Facility IV [Member] SPV Asset Facility IV Common stock, shares authorized (in shares) Common Stock, Shares Authorized Euro Foreign Currency Forward Contract 7/17/2026 Euro Foreign Currency Forward Contract 7/17/2026 [Member] Euro Foreign Currency Forward Contract 7/17/2026 Dividend income Dividend Income, Operating, Paid in Cash Transfers in from the Mergers Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers In From Mergers Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers In From Mergers Schedule of Carrying Values and Fair Values of the Company’s Debt Obligations Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Exercise Price Award Exercise Price Authorized amount of share repurchase program Share Repurchase Program, Authorized, Amount Revolving Credit Facility Senior Secured Revolving Credit Facility [Member] Senior Secured Revolving Credit Facility Document Quarterly Report 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] O 2025 Q1 Dividends O 2025 Q1 Dividends [Member] O 2025 Q1 Dividends Athena CLO IV Athena CLO IV [Member] Athena CLO IV Range (Weighted Average) Investment Company, Investment Owned, Measurement Input Dividend Income, Paid In Kind Dividend Income, Paid In Kind [Member] Dividend Income, Paid In Kind Cost Amortized Cost Amortized Cost Investment Owned, Cost Gross Additions Investments in and Advances to Affiliates, at Fair Value, Gross Additions Management fees, net Management Fee Expense Management Fee Expense Unamortized Debt Issuance Costs Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Financial Highlights Investment Company, Financial Highlights [Text Block] Total Net Change in Unrealized Gain (Loss) Net change in unrealized gain (loss) Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax Equity Component [Domain] Equity Component [Domain] Measurement Input Type [Domain] Measurement Input Type [Domain] Net change in unrealized gain (loss) / Net realized gains (losses) Net change in unrealized gain (loss) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Purchases of investments Payment for Purchase, Investment, Operating Activity Adoption Date Trading Arrangement Adoption Date Airlines Airlines [Member] Airlines Other liabilities Asset Acquisition, Other Liabilities Asset Acquisition, Other Liabilities Counterparty Name [Domain] Counterparty Name [Domain] Diversified Financial Services Diversified Financial Services Diversified Financial Services [Member] Diversified Financial Services IT Services IT Services Technology Sector [Member] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Total PIK Income Interest Income, Operating Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Payments on debt Repayments of Debt Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Pound Sterling Foreign Currency Forward Contract 1/20/2026 Pound Sterling Foreign Currency Forward Contract 1/20/2026 [Member] Pound Sterling Foreign Currency Forward Contract 1/20/2026 Weighted Average Weighted Average [Member] All Adjustments to Compensation All Adjustments to Compensation [Member] Net assets acquired Asset Acquisition, Assets Acquired and Liabilities Assumed, Net Asset Acquisition, Assets Acquired and Liabilities Assumed, Net June 2025 Notes June 2025 Notes [Member] June 2025 Notes Income Taxes Income Tax, Policy [Policy Text Block] Net cash provided by (used in) operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Athena CLO V Athena CLO V [Member] Athena CLO V Income Statement [Abstract] Net Assets Equity, Attributable to Parent [Abstract] Per share market value at end of period (in USD per share) Per Share Market Value Per Share Market Value Document Transition Report PIK dividends PIK Dividend Income Dividend Income, Operating, Paid in Kind Operating Expenses Operating Expenses [Abstract] Total Debt Line of Credit Facility, Remaining Borrowing Capacity And Debt Instrument, ​Capacity ​Amount Line of Credit Facility, Remaining Borrowing Capacity And Debt Instrument, ​Capacity ​Amount Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Blue Owl Leasing JV LLC Blue Owl Leasing JV LLC [Member] Blue Owl Leasing JV LLC Unrealized gain for U.S. federal income tax purposes Investment, Tax Basis, Unrealized Gain Debt agreement event one Debt Agreement, Event One [Member] Debt Agreement, Event One Cash Investment, Basis Spread, Variable Rate City Area Code Restricted investments as a percentage of net assets Restricted Investments, Percent of Net Assets Foreign currency forward contract AUD Foreign Currency Forward Contract AUD [Member] Foreign Currency Forward Contract AUD Geographic Concentration Risk Geographic Concentration Risk [Member] Subsequent Events Subsequent Events [Text Block] Volatility Measurement Input, Price Volatility [Member] Real Estate Management & Development Real Estate Management & Development Real Estate Management & Development [Member] Real Estate Management & Development Building Products Building Products Building Products [Member] Building Products Name Forgone Recovery, Individual Name Diversified Consumer Services Diversified Consumer Services [Member] Diversified Consumer Services Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Health Care Equipment & Supplies Health Care Equipment & Supplies [Member] Health Care Equipment & Supplies Entity [Domain] Industry Concentration Risk Industry Concentration Risk [Member] Industry Concentration Risk Dividend income Interest and Dividend Income, Operating Net deferred tax assets/(liabilities) Deferred Tax Liabilities, Net Shares issued (in shares) Stock Issued During Period, Shares, New Issues Par Investment Owned, Balance, Principal Amount Measurement Basis [Axis] Measurement Basis [Axis] SMBC Capital Markets, Inc. SMBC Capital Markets, Inc. [Member] SMBC Capital Markets, Inc. Cost for income tax purposes Investment, Tax Basis, Cost Product Information [Line Items] Product Information [Line Items] Cash & Restricted Cash Cash and Cash Equivalents, Policy [Policy Text Block] Banks Banks [Member] Banks Subsequent Event Type [Domain] Subsequent Event Type [Domain] Management fee, average gross assets Management and Service Fees, Average Gross Assets Management and Service Fees, Average Gross Assets Offering Expenses Stockholders' Equity, Policy [Policy Text Block] Investment Company [Abstract] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Schedule of Quantitative Information About Significant Unobservable Inputs of Level 3 Investments Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Debt issuance costs Payments of Debt Issuance Costs Entity Current Reporting Status Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Controlled, affiliated investments Investment, Affiliated Issuer, Controlled [Member] Total Shareholder Return Amount Total Shareholder Return Amount Media Media Media [Member] Media CLO 2020-1 Refinancing A(sf) Class B-2R Notes CLO 2020-1 Refinancing A(sf) Class B-2R Notes [Member] CLO 2020-1 Refinancing A(sf) Class B-2R Notes Total return, based on net asset value Investment Company, Total Return CLO 2020-1 Refinancing A(sf) Class B-1R Notes CLO 2020-1 Refinancing A(sf) Class B-1R Notes [Member] CLO 2020-1 Refinancing A(sf) Class B-1R Notes Pre-Incentive Fee Net Investment Income, Quarterly Threshold Investment Advisory Agreement - Incentive Rate, Before Exchange Listing, Pre-Incentive Fee Net Investment Income, Quarterly Threshold [Member] Investment Advisory Agreement - Incentive Rate, Before Exchange Listing, Pre-Incentive Fee Net Investment Income, Quarterly Threshold 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] Upfront Payments/Receipts Derivative Liability, Upfront Payments (Receipts) Upfront Payments/Receipts Fee on unused portion of credit facility Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Issue price (in USD per share) Shares Issued, Price Per Share Financial Instruments [Domain] Financial Instruments [Domain] Athena CLO II Refinancing Class A-LR Loans Athena CLO II Refinancing Class A-LR Loans [Member] Athena CLO II Refinancing Class A-LR Loans Derivative assets Derivative Asset Other income Other Income Underlying Securities Award Underlying Securities Amount Total assets acquired Asset Acquisition, Assets Asset Acquisition, Assets Fair Value Estimate of Fair Value Measurement [Member] Issuance of common shares Stock Issued During Period, Value, New Issues Foreign Currency Forward Contract CAD Foreign Currency Forward Contract CAD [Member] Foreign Currency Forward Contract CAD Cash Cash Schedule of Investment Company, Financial Highlights Investment Company, Financial Highlights [Table Text Block] Preferred equity investments Preferred Preferred Stock [Member] O 2025 Q3 Dividends O 2025 Q3 Dividends [Member] O 2025 Q3 Dividends CLO 2020-1 [Member] CLO 2020-1 [Member] CLO 2020-1 Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Pharmaceuticals Pharmaceuticals Pharmaceuticals [Member] Pharmaceuticals Current Fiscal Year End Date Shares/Units (in shares) Investment Owned, Balance, Shares SPV Asset Facility II SPV Asset Facility II [Member] SPV Asset Facility II Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation 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] Distribution per share (in USD per share) Common Stock, Dividends, Per Share, Declared Entity File Number Road & Rail Road & Rail [Member] Road & Rail Hotels, Restaurants & Leisure Hotels, Restaurants & Leisure [Member] Hotels, Restaurants & Leisure Supplemental dividend (in USD per share) Investment Company, Supplemental Dividend Investment Company, Supplemental Dividend Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Measure: Measure [Axis] Variable Rate Component, Two Variable Rate Component, Two [Member] Variable Rate Component, Two Increase (Decrease) in Net Assets Resulting from Operations Net Income (Loss), Including Portion Attributable to Noncontrolling Interest [Abstract] Air Freight & Logistics Air Freight & Logistics [Member] Air Freight & Logistics Equity Components [Axis] Equity Components [Axis] Debt instrument, repurchase amount Debt Instrument, Repurchase Amount Unrealized gain (loss) for U.S. federal income tax purposes Investment, Tax Basis, Unrealized Gain (Loss), Net Investment, Tax Basis, Unrealized Gain (Loss), Net January 2027 Notes January 2027 Notes [Member] January 2027 Notes Schedule of the Allocation of the Purchase Price to the Assets Acquired and Liabilities Assumed Asset Acquisition [Table Text Block] Schedule of Fair Value and Notional Value of the Derivative Assets and Liabilities Schedule of Foreign Exchange Contracts, Statement of Financial Position [Table Text Block] Entity Interactive Data Current Variable Rate [Axis] Variable Rate [Axis] Entity Small Business Athena CLO V Class C Notes Athena CLO V Class C Notes [Member] Athena CLO V Class C Notes Distribution payable Distributions Payable Distribution Payable MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Proceeds from investments and investment repayments Proceeds from Disposition of Investment, Operating Activity Document Type Debt repurchased Debt Instrument, Repurchased Face Amount Distributions recorded in the period Distributions Declared Distributions Declared Discounted Cash Flow Analysis Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Notional Amount to be Sold Short [Member] Net asset value per share (in USD per share) Net asset value, beginning of period (in USD per share) Net Asset Value, End of Period (in USD per share) Collections of PIK interest and dividends Paid-in-Kind Interest Significant Accounting Policies Significant Accounting Policies [Text Block] PIK Investment, Interest Rate, Paid in Kind Subsequent Event [Line Items] Subsequent Event [Line Items] Shareholders' Equity Statement of Stockholders' Equity [Abstract] Performance based incentive fees Incentive Fee Expense (Reversal), Net Incentive Fee Expense (Reversal), Net Local Phone Number Euro Foreign Currency Forward Contract 7/17/2026 1 Euro Foreign Currency Forward Contract 7/17/2026 1 [Member] Euro Foreign Currency Forward Contract 7/17/2026 1 Commitments and contingencies (Note 8) Commitments and Contingencies Subscription Credit Facility [Member] Subscription Credit Facility Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Income Tax Contingency [Table] Income Tax Contingency [Table] Net Decrease in Net Assets Resulting from Shareholders' Distributions Investment Company, Dividend Distribution Executive Category: Executive Category [Axis] Acquisition of OTF II Acquisition of OTF II [Member] Acquisition of OTF II Counterparty Name [Axis] Counterparty Name [Axis] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Industrial Conglomerates Industrial Conglomerates Industrial Conglomerates [Member] Industrial Conglomerates O 2025 Q2 Dividends O 2025 Q2 Dividends [Member] O 2025 Q2 Dividends Common stock issued by the Company Asset Acquisition, Consideration Transferred, Equity Interest Issued and Issuable Supplemental and Non-Cash Information Supplemental Cash Flow Information [Abstract] Total Company Investments, Including Miscellaneous, Debt Commitments, Before Netting Total Company Investments, Including Miscellaneous, Debt Commitments, Before Netting [Member] Total Company Investments, Including Miscellaneous, Debt Commitments, Before Netting PEO Name PEO Name Debt Commitment Debt Component [Member] Debt Component Accrued expenses and other liabilities Accrued Liabilities and Other Liabilities Incentive fee payable Asset Acquisition, Incentive Fee Payable Asset Acquisition, Incentive Fee Payable Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Prepaid expenses and other assets Prepaid Expense and Other Assets CLO 2020-1 Refinancing CLO 2020-1 Refinancing [Member] CLO 2020-1 Refinancing Product Concentration Risk Product Concentration Risk [Member] Interest and Dividend Income Recognition and Other Income Revenue [Policy Text Block] Management fee payable Management Fee Payable Increase (decrease) in investment commitment in joint venture Increase (Decrease) Company Commitment to Fund Joint Venture Increase (Decrease) Company Commitment to Fund Joint Venture Entity Incorporation, State or Country Code Base Rate Base Rate [Member] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Table] Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Table] Incentive fee percentage Management and Service Fees, Incentive Rate Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] 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] Consumer Finance Consumer Finance [Member] Consumer Finance Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] O 2026 Q2 Dividends O 2026 Q2 Dividends [Member] O 2026 Q2 Dividends Notional Amount to be Purchased Long [Member] Increase (decrease) in payables to affiliate Increase (Decrease) in Due to Affiliates Amount of transaction Related Party Transaction, Amounts of Transaction Earnings Per Share - Basic (in USD per share) Earnings (loss) per common share-basic (in USD per share) Earnings Per Share, Basic Measurement Input Type [Axis] Measurement Input Type [Axis] Insider Trading 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Concentration Risk Benchmark [Domain] Derivatives not designated as hedges: Not Designated as Hedging Instrument [Member] Number of investments Investment Owned, Number Of Investments Investment Owned, Number Of Investments Investments, Debt and Equity Securities [Abstract] Total Investment Income Total Investment Income Investment income Gross Investment Income, Operating Derivative liabilities Derivative Liability Entity Address, Address Line One Catch-Up Provision Investment Advisory Agreement - Incentive Fee, Catch-Up Provision [Member] Investment Advisory Agreement - Incentive Fee, Catch-Up Provision Investments in and Advances to Affiliates, at Fair Value [Roll Forward] Investments in and Advances to Affiliates, at Fair Value [Roll Forward] NAV at closing (in USD per share) Asset Acquisition, Share Price Asset Acquisition, Share Price Consolidation Consolidation, Policy [Policy Text Block] Portfolio turnover rate Investment Company, Portfolio Turnover Discounted Cash Flow Analysis Valuation Technique, Discounted Cash Flow [Member] Statement [Table] Statement [Table] SPV Asset Facility III SPV Asset Facility III [Member] SPV Asset Facility III Line of credit facility, 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 Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Unrealized Appreciation (Depreciation) Assets Derivative Asset, Subject to Master Netting Arrangement, before Offset Transaction costs Transaction costs, net Asset Acquisition, Consideration Transferred, Transaction Cost Quarterly Hurdle Rate Investment Advisory Agreement - Incentive Fee, Quarterly Hurdle Rate [Member] Investment Advisory Agreement - Incentive Fee, Quarterly Hurdle Rate Pre-Incentive Fee Net Investment Income Below Catch-Up Threshold 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