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[Domain] Issuance of common shares in connection with the Mergers (in USD per share) Investment Company, Issuance Of Common Stock, Per Share Investment Company, Issuance Of Common Stock, Per Share Authorized amount of share repurchase program Share Repurchase Program, Authorized, Amount Fee on unused portion of credit facility Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Company Receives Company receives Derivative, Fixed Interest Rate Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Aggregate shares issued (in shares) Asset Acquisition, Equity Interest Issued or Issuable, Number of Shares Asset Acquisition, Equity Interest Issued or Issuable, Number of Shares Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Schedule of Derivative Instruments, Gain (Loss) Derivative Instruments, Gain (Loss) [Table Text Block] Net operating expenses Operating 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Exchange Name Federal excise tax expense (benefit) Federal Excise Tax Expense (Benefit) Federal Excise Tax Expense (Benefit) SPV Asset Facility I SPV Asset Facility I [Member] SPV Asset Facility I Net change in unrealized gain (loss) Debt and Equity Securities, Unrealized Gain (Loss) [Member] Debt and Equity Securities, Unrealized Gain (Loss) Recent Transaction Valuation Technique, Recent Transaction [Member] Valuation Technique, Recent Transaction Aggregate Principal Committed Aggregate principal committed Line of Credit Facility, Maximum Borrowing Capacity Dividend reinvestment plan shares (in shares) Stock Issued During Period, Shares, Dividend Reinvestment Plan BOCSO BOCSO [Member] BOCSO Operating Expenses Operating Expenses [Abstract] CLO 2020-1 Refinancing AAA(sf) Class A-1R Notes CLO 2020-1 Refinancing AAA(sf) Class A-1R Notes [Member] CLO 2020-1 Refinancing AAA(sf) Class A-1R Notes First-lien senior secured debt investments First-lien senior secured Debt Securities, First Lien [Member] Debt Securities, First Lien Asset Class [Domain] Asset Class [Domain] Harness Inc. Harness Inc. [Member] Harness Inc. 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 Increase (decrease) in incentive fee payable Increase (Decrease) in Incentive Fee Payable Statement [Line Items] Statement [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Subsequent Event [Line Items] Subsequent Event [Line Items] 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 Common equity investments Common Common Stock [Member] Schedule of Shares Distributed, Dividend Reinvestment Plan Schedule Of Shares Distributed, Dividend Reinvestment Plan [Table Text Block] Schedule Of Shares Distributed, Dividend Reinvestment Plan Net increase (decrease) in cash and restricted cash, including foreign cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Specialty finance debt investments Specialty finance Specialty Finance Debt Investments [Member] Specialty Finance Debt Investments Total Net Change in Unrealized Gain (Loss) Unrealized Gain (Loss) on Investments Significant Accounting Policies Significant Accounting Policies [Text Block] 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 Related Party Transaction [Axis] Related Party Transaction [Axis] 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 Dividend and PIK Dividend Income Dividend Income, Operating, Paid in Cash Asset Class [Axis] Asset Class [Axis] Net realized gain (loss) Debt and Equity Securities, Realized Gain (Loss) [Member] Debt and Equity Securities, Realized Gain (Loss) Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Debt Issuance Costs Debt, Policy [Policy Text Block] Interest rate swaps Interest Rate Swap [Member] Variable Rate Component, Three Variable Rate Component, Three [Member] Variable Rate Component, Three Schedule of Dividends Declared Dividends Declared [Table Text Block] Amergin AssetCo Amergin AssetCo [Member] Amergin AssetCo Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Earnings Per Share - 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[Member] Revolving Credit Facility Senior Secured Revolving Credit Facility [Member] Senior Secured Revolving Credit Facility Interest paid during the period Interest Paid, Excluding Capitalized Interest, Operating Activity Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] O 2025 Q1 Dividends O 2025 Q1 Dividends [Member] O 2025 Q1 Dividends Athena CLO IV Athena CLO IV [Member] Athena CLO IV Dividend Income, Paid In Kind Dividend Income, Paid In Kind [Member] Dividend Income, Paid In Kind Capital Commitment Capital Commitment Total capital commitments, end of period Investment Company, Committed Capital Net Carrying Value Reported Value Measurement [Member] Equity [Abstract] Receivable for investments sold Receivable For Investments Sold Receivable For Investments Sold West US West Region [Member] Derivatives not designated as hedges: Not Designated as Hedging Instrument [Member] Discounted Cash Flow Analysis Fair Value, Assets and 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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 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 Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Athena CLO V Athena CLO V [Member] Athena CLO V Per share market value at end of period (in USD per share) Per Share Market Value Per Share Market Value Increase (decrease) in payable for investments purchased Increase (Decrease) in Payable for Investment Purchased Assets Assets [Abstract] Credit Facility [Axis] Credit Facility [Axis] Gross Additions Investments in and Advances to Affiliates, at Fair Value, Gross Additions Underlying Security Market Price Change Underlying Security Market Price Change, Percent Total Debt Line of 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SMBC Capital Markets, Inc. [Member] SMBC Capital Markets, Inc. Increase (Decrease) in Net Assets Resulting from Operations Net Income (Loss), Including Portion Attributable to Noncontrolling Interest [Abstract] Related Party [Axis] Related and Nonrelated Parties [Axis] Distributions Investment Company, Distribution to Shareholders [Abstract] Banks Banks [Member] Banks Restatement Determination Date: Restatement Determination Date [Axis] Total Credit SLF Members’ Equity Total Blue Owl Leasing Members’ Equity Members' Equity Management fee, average gross assets Management and Service Fees, Average Gross Assets Management and Service Fees, Average Gross Assets Total Net Realized and Change in Unrealized Gain (Loss) Gain (Loss), Investment and Derivative, Operating, and Foreign Currency Transaction, after Tax Interest expense Interest Expense, Debt Name Trading Arrangement, Individual Name Total Unfunded Commitments Investment Company, Financial Support to Investee Contractually Required, Not Provided, Amount Media Media Media [Member] Media Debt 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net assets Restricted Investments, Percent of Net Assets Investment, Issuer Affiliation [Domain] Investment, Issuer Affiliation [Domain] Name Awards Close in Time to MNPI Disclosures, Individual Name Transaction costs Transaction costs, net Asset Acquisition, Consideration Transferred, Transaction Cost Upfront Payments/Receipts Derivative Liability, Upfront Payments (Receipts) Upfront Payments/Receipts Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] 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 Asset Acquisition [Line Items] Asset Acquisition [Line Items] Total assets acquired Asset Acquisition, Assets Asset Acquisition, Assets Income Statement Location [Axis] Statement of Income Location, Balance [Axis] CLO 2020-1 [Member] CLO 2020-1 [Member] CLO 2020-1 Amount available Line of Credit Facility, Remaining Borrowing Capacity Net 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Rate, After Exchange Listing, Pre-Incentive Fee Net Investment Income Below Catch-Up Threshold Net Increase (Decrease) in Blue Owl Leasing Members’ Equity Resulting From Operations Increase in Leasing JV Members' Equity Increase in Leasing JV Members' Equity Schedule of Changes in the Fair Value of Investments Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Increase (decrease) in management fee payable Increase (Decrease) in Management Fee Payable All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Termination Date Trading Arrangement Termination Date Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Foreign currency transactions Realized Gain (Loss), Foreign Currency Transaction, before Tax Collateral Analysis Valuation Technique, Collateral Analysis [Member] Valuation Technique, Collateral Analysis Dividends Payable [Table] Dividends Payable [Table] Schedule of Fair Value Hierarchy of Investments Fair Value, Assets Measured on Recurring Basis [Table Text Block] 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 Computation for Basic and Diluted Earnings (Loss) Per Common Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Share Repurchase Program [Table] Share Repurchase Program [Table] Related Party Transaction [Domain] Related Party Transaction [Domain] Subsequent Events [Abstract] Debt Disclosure [Abstract] Number of shares issued per acquiree share (in shares) Asset Acquisition, Equity Interests Issued and Issuable, Entity Shares Issued Per Acquiree Share Asset Acquisition, Equity Interests Issued and Issuable, Entity Shares Issued Per Acquiree Share Interest rate swaps January 2031 Notes January 2031 Notes [Member] January 2031 Notes Foreign currency forward contract GBP 1 Foreign currency forward contract GBP 1 [Member] Foreign currency forward contract GBP 1 Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Consolidated Entities [Axis] Consolidated Entities [Axis] Common stock, par value (in USD per share) Common Stock, Par or Stated Value Per Share Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Use of Estimates Use of Estimates, Policy [Policy 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] Northeast US Northeast Region [Member] Catch-Up Provision Investment Advisory Agreement - Incentive Fee, Catch-Up Provision [Member] Investment Advisory Agreement - Incentive Fee, Catch-Up Provision Subsequent Events Subsequent Events [Text Block] Insider Trading Arrangements [Line Items] Equity Securities Equity Securities [Member] NAV at closing (in USD per share) Asset Acquisition, Share Price Asset Acquisition, Share Price Total Liabilities Total Liabilities Total Liabilities Liabilities Product Concentration Risk Product Concentration Risk [Member] Net investment income (loss) Investment Income, Net Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Debt repurchased Debt Instrument, Repurchased Face Amount SPV Asset Facility III SPV Asset Facility III [Member] SPV Asset Facility III Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] 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 Issuance of common shares Stock Issued During Period, Value, New Issues Variable Rate [Axis] Variable Rate [Axis] 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 Investment Advisory Agreement - Incentive Rate, Before Exchange Listing, Pre-Incentive Fee Net Investment Income Below Catch-Up Threshold [Member] Investment Advisory Agreement - Incentive Rate, Before Exchange Listing, Pre-Incentive Fee Net Investment Income Below Catch-Up Threshold Counterparty Name [Axis] Counterparty Name [Axis] Total Investment Income Gross Investment Income, Operating Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member]