100000 - Document - Document and Entity Information
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100010 - Statement - CONSOLIDATED STATEMENTS OF ASSETS AND LIABILITIES
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100020 - Disclosure - Investments - Schedule of Composition of Investment Portfolio (Detail) 2
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100030 - Statement - CONSOLIDATED STATEMENTS OF ASSETS AND LIABILITIES 2
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100040 - Statement - CONSOLIDATED STATEMENTS OF ASSETS AND LIABILITIES (Parenthetical)
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100050 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) 2
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100060 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited)
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100070 - Statement - CONSOLIDATED STATEMENTS OF CHANGES IN NET ASSETS (Unaudited)
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100080 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)
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100090 - Statement - CONSOLIDATED SCHEDULE OF INVESTMENTS (unaudited)
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100100 - Statement - CONSOLIDATED SCHEDULE OF INVESTMENTS (Unaudited) - Interest Rate Swap
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100110 - Statement - CONSOLIDATED SCHEDULE OF INVESTMENTS (Parenthetical) (unaudited)
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100110 - Statement - CONSOLIDATED SCHEDULE OF INVESTMENTS (Parenthetical) (unaudited) [Default]
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100120 - Statement - CONSOLIDATED SCHEDULE OF INVESTMENTS (unaudited) - Fair Value along with Transactions in Affiliated Investments
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100130 - Statement - CONSOLIDATED SCHEDULE OF INVESTMENTS (unaudited) - Fair Value along with Transactions in Controlled Investments
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100140 - Statement - CONSOLIDATED SCHEDULE OF INVESTMENTS (unaudited) - Commitments to Funds
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100150 - Statement - CONSOLIDATED SCHEDULE OF INVESTMENTS (unaudited) - Commitments to Funds (Parenthetical)
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100160 - Statement - CONSOLIDATED SCHEDULE OF INVESTMENTS (unaudited) - Acquisition Dates of Restricted Securities
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100170 - Statement - CONSOLIDATED SCHEDULE OF INVESTMENTS (unaudited) - Composition of Portfolio at Cost by Control Designation, Investment Type and Industry
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100180 - Statement - CONSOLIDATED SCHEDULE OF INVESTMENTS (unaudited) - Composition of Portfolio at Fair Value by Control Designation, Investment Type and Industry
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100180 - Statement - CONSOLIDATED SCHEDULE OF INVESTMENTS (unaudited) - Composition of Portfolio at Fair Value by Control Designation, Investment Type and Industry [Default]
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100190 - Statement - CONSOLIDATED SCHEDULE OF INVESTMENTS (unaudited) - Summary of Percentage of Total Investment
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995455 - Disclosure - Organization
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995465 - Disclosure - Significant Accounting Policies
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995475 - Disclosure - Related Party Agreements and Transactions
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995485 - Disclosure - Earnings Per Share
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995495 - Disclosure - Investments
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995505 - Disclosure - Debt and Foreign Currency Transactions and Translations
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995515 - Disclosure - Stockholders' Equity
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995525 - Disclosure - Commitments and Contingencies
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995535 - Disclosure - Financial Highlights
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995545 - Disclosure - Mergers with AFT and AIF
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995555 - Disclosure - Subsequent Events
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995565 - Disclosure - Significant Accounting Policies (Policies)
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995575 - Disclosure - Earnings Per Share (Tables)
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995585 - Disclosure - Investments (Tables)
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995595 - Disclosure - Debt and Foreign Currency Transactions and Translations (Tables)
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995605 - Disclosure - Stockholders' Equity (Tables)
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995615 - Disclosure - Commitments and Contingencies (Tables)
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995625 - Disclosure - Financial Highlights (Tables)
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995635 - Disclosure - Mergers with AFT and AIF (Tables)
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995645 - Disclosure - Organization - Additional Information (Details)
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995655 - Disclosure - Significant Accounting Policies - Additional Information (Details)
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995665 - Disclosure - Related Party Agreements and Transactions - Additional Information (Details)
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995675 - Disclosure - Earnings Per Share - Schedule of Computation of Earnings (Loss) Per Share (Details)
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995685 - Disclosure - Investments - Schedule of Composition of Investment Portfolio (Detail)
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995695 - Disclosure - Investments - Schedule of Changes in Fair Value of Investments (Detail)
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995705 - Disclosure - Investments - Schedule of Changes in Fair Value of Investments (Parenthetical) (Detail)
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995715 - Disclosure - Investments - Summary of Unobservable Inputs Used in Fair Value Measurements of Level 3 Investments (Detail)
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995725 - Disclosure - Investments - Additional Information (Details)
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995735 - Disclosure - Investments - Summary of Change in Capitalized PIK balance (Details)
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995745 - Disclosure - Investments - Schedule of Foreign Currency Forward Contracts (Details)
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995745 - Disclosure - Investments - Schedule of Foreign Currency Forward Contracts (Details) [Default]
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995755 - Disclosure - Investments - Schedule of Derivative Instruments, Gain (Loss) (Details)
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995765 - Disclosure - Debt and Foreign Currency Transactions and Translations -- Additional Information (Details)
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995775 - Disclosure - Debt and Foreign Currency Transactions and Translations - Schedule of Outstanding Debt Obligations (Details)
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995785 - Disclosure - Debt and Foreign Currency Transactions and Translations - Schedule of Outstanding Debt Obligations (Parenthetical) (Details)
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995795 - Disclosure - Debt and Foreign Currency Transactions and Translations - Summary of Secured and Unsecured Notes Issued (Details)
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995805 - Disclosure - Debt and Foreign Currency Transactions and Translations - Summarizes Average and Maximum Debt Outstanding and Interest and Debt Issuance Cost (Details)
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995815 - Disclosure - Debt and Foreign Currency Transactions and Translations - Summarizes Average and Maximum Debt Outstanding and Interest and Debt Issuance Cost (Parenthetical) (Details)
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995825 - Disclosure - Debt and Foreign Currency Transactions and Translations - Summary of Notes Offered in the CLO Transactions (Details)
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995835 - Disclosure - Debt and Foreign Currency Transactions and Translations - Summary of Foreign Denominated Debt Outstanding on Senior Secured Facility (Details)
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995845 - Disclosure - Stockholders' Equity - Additional Information (Details)
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995855 - Disclosure - Stockholders' Equity - Schedule of Repurchase Plans (Details)
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995865 - Disclosure - Stockholders' Equity - Summary of Allocated Amounts to be Repurchased (Details)
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995875 - Disclosure - Commitments and Contingencies - Summary of Unfunded Commitments (Details)
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995885 - Disclosure - Commitments and Contingencies - Summary of Unfunded Commitments (Parenthetical) (Details)
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995895 - Disclosure - Financial Highlights - Schedule of Financial Highlights (Details)
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995905 - Disclosure - Financial Highlights - Schedule of Financial Highlights (Parenthetical) (Details)
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995915 - Disclosure - Mergers with AFT and AIF - Additional Information (Details)
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995925 - Disclosure - Mergers with AFT and AIF - Summary of Allocation of Purchase Price to Assets Acquired and Liabilities Assumed (Details)
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995935 - Disclosure - Mergers with AFT and AIF - Summary of Allocation of Purchase Price to Assets Acquired and Liabilities Assumed (Parenthetical) (Details)
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995945 - Disclosure - Subsequent Events - Additional Information (Details)
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Valuation technique market comparable technique.
Valuation Technique Market Comparable Technique [Member]
Market Comparable Technique
Statement [Line Items]
Statement [Line Items]
Offering Costs for the Issuance of Common Stock
Offering costs for the issuance of common stock.
Offering costs for the issuance of common stock
Debt Instrument, Interest Rate During Period
Total annualized interest cost
Interest Rate
Coupon
Debt Instrument
Derivative Liability, Type [Extensible Enumeration]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Line Items]
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Line Items]
Derivative Asset, Notional Amount
Notional amount to be sold
Notional amount to be sold
Interest Rate, Paid in Kind
Investment, Interest Rate, Paid in Kind
Entity Address, Postal Zip Code
Business Combinations Policy [Policy Text Block]
Purchase Accounting
2025 Notes
Senior unsecured 2025 note.
Senior Unsecured Notes Two Thousand Twenty Five [Member]
Investment company taxable income percentage
RIC Income Distribution Requirement
RIC Income Distribution Requirement.
Entity Incorporation, State or Country Code
Semiconductors & Semiconductor Equipment
Semiconductors & Semiconductor Equipment [Member]
Semiconductors & semiconductor equipment.
Investment Owned at Cost Before Cash Equivalents
Investment owned at cost before cash equivalents.
Total Investments before Cash Equivalents
Cash interest paid
Interest Paid, Excluding Capitalized Interest, Operating Activities
Cost of Shares Repurchased inclusive commissions
Treasury Stock Value Acquired Cost Method Including Commissions
Treasury stock value acquired cost method including commissions.
Investment Company, Investment Income (Loss), Per Share
Net investment income
Increase in gains/(losses) from foreign currency transactions.
Increase In Gains Losses From Foreign Currency Transactions
Increase in gains/(losses) from foreign currency transactions
Business Combination Disclosure [Text Block]
Mergers with AFT and AIF
Maximum offering price through equity financing.
Maximum Offering Price Through Equity Financing
Aggregate maximum offering price through equity financing
Stockholders' Equity, Reverse Stock Split
Reverse stock split, description
Foreign Exchange Forward [Member]
Foreign Currency Forward Contracts
Incentive Fee based on Income
Incentive fee based on income.
Incentive Fee Based On Income [Member]
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]
Summary of Allocation of Purchase Price to Assets Acquired and Liabilities Assumed
Percentage of Total Investments (at Fair Value)
Percentage of Total Investments at Fair Value
Percentage of total investments at fair value.
Paid-in-kind income capitalized.
Paid In Kind Income Capitalized
PIK income capitalized
Investment, ownership percentage
Percentage of Equity Ownership Interest
Percentage of equity ownership interest.
Fair Value, Inputs, Level 2 [Member]
Level 2
Six months London interbank offered rate LIBOR.
Six Months London Interbank Offered Rate L I B O R [Member]
6 Month LIBOR
Total Purchase Consideration
Business Combination, Consideration Transferred
One month euribor interest rate.
One Month Euribor Interest Rate [Member]
1 month EURIBOR
Class A1 Senior Secured Floating Rate Notes Due Two Thousand Thirty Seven [Member]
Class a1 senior secured floating rate notes due two thousand thirty seven.
Class A1 Senior Secured Floating Rate Notes Due Two Thousand Thirty Seven
Class A-1 Notes
Transfers into Level 3
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3
Debt and foreign currency transactions and translations.
Debt And Foreign Currency Transactions And Translations [Text Block]
Debt and Foreign Currency Transactions and Translations
Commitments and Contingencies Disclosure [Text Block]
Commitments and Contingencies
Long-Term Debt, Weighted Average Interest Rate, over Time
Weighted average annualized interest cost
Diversified investment vehicle, banking, finance and real estate.
Diversified Investment Vehicle Banking Finance And Real Estate [Member]
Diversified Investment Vehicles, Banking, Finance, Real Estate
Stock, Class of Stock [Table]
Schedule Of Stock By Class [Table]
Annualized ratio of operating expenses to average net assets without voluntary fee waivers
Investment Company Annualized Ratio Of Operating Expenses To Average Net Assets Excluding Voluntary Fee Waivers
Investment company annualized ratio of operating expenses to average net assets excluding voluntary fee waivers.
Aggregate gross unrealized loss of federal income tax
Investment, Tax Basis, Unrealized Loss
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction Price Change, Operating, after Tax
Net realized (gains) losses
Net realized (gains) losses
Net realized gains (losses)
Net realized gains (losses)
Product and Service
Product and Service [Axis]
Derivatives, Policy [Policy Text Block]
Derivative Instruments
Lender Name [Axis]
Investment, Identifier [Axis]
Investment, Name [Domain]
Investment, Name
Management fee offset
Investment Company, Management Fee Offset
Investment company, management fee offset.
Alternate Base Rate
Base Rate [Member]
Dynamic Product Tankers, LLC.
Dynamic Product Tankers L L C [Member]
Dynamic Product Tankers, LLC
Shares repurchased during the period
Shares repurchased during the period
Stock Repurchased During Period, Shares
Dividend payable date
Dividends Payable, Date to be Paid
Class of Treasury Stock [Table]
Class Of Treasury Stock [Table]
Fair Value
Total investments at fair value
Investments at fair value
Investments in and Advances to Affiliates, at Fair Value, Ending Balance
Investments in and Advances to Affiliates, at Fair Value, Beginning Balance
Air Freight & Logistics [Member]
Air freight & logistics.
Air Freight & Logistics
Purchases of investments
Payment for Purchase, Investment, Operating Activity
Related Party Transaction [Line Items]
Related Party Transaction [Line Items]
Apollo Investment Management, L.P.
Apollo Investment Management L P [Member]
AIM
Class D Senior Secured Floating Rate Notes due 2037
Class D Senior Secured Floating Rate Notes Due Two Thousand Thirty Seven [Member]
Class d senior secured floating rate notes due two thousand thirty seven.
Class D Notes
Equity [Text Block]
Stockholders' Equity
Utilities - Electric.
Utilities Electric [Member]
Utilities - Electric
AIF First Merger
A I F First Merger [Member]
A I F First Merger.
Sale of Stock [Domain]
Cash and Cash Equivalents [Domain]
Principal Amount Outstanding
Principal Outstanding
Outstanding debt obligations
Hotels, Restaurants & Leisure [Member]
Hotels, Restaurants & Leisure.
Hotels, Restaurants & Leisure
Required assets coverage percentage.
Required assets coverage percentage
Required Assets Coverage Percentage
Line of Credit Facility, Remaining Borrowing Capacity
Available remaining capacity
Dividend declared date
Dividends Payable, Date Declared
Decrease (increase) in dividends receivable
Increase (Decrease) in Dividends Receivable
Decrease (increase) in dividends receivable
Debt Instrument, Issuance Date
Date Issued/ Amended
Entity Central Index Key
Management fee annual rate percentage of average gross assets.
Management Fee Annual Rate Percentage Of Average Gross Assets
Management fee annual rate percentage of average gross assets
Cash Equivalents, at Carrying Value, Total
Cash Equivalents, at Carrying Value
Total Cash Equivalents
Entertainment [Member]
Entertainment
Business combination related amortized cost.
Business Combination Related Amortized Cost
Amortized cost
Warrants - Warrants
Warrant [Member]
Purchases, including capitalized PIK
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases
Media-Diversified & Production.
Media Diversified Production [Member]
Media – Diversified & Production
Increase (Decrease) in Operating Capital [Abstract]
Changes in operating assets and liabilities:
Valuation of other financial assets and financial liabilities, policy.
Valuation Of Other Financial Assets And Financial Liabilities Policy [Policy Text Block]
Valuation of Other Financial Assets and Financial Liabilities
Debt Instrument, Redemption, Period Five [Member]
2029
Valuation Technique, Discounted Cash Flow [Member]
Discounted Cash Flow
Proceeds from Issuance of Debt
Issuances of debt
Other Liability, Related Party [Extensible Enumeration]
Common Equity - Equity Interest
Common Equity/Interests
Common Equity/Interests.
Common Equity Interests [Member]
Three months London interbank offered rate LIBOR.
Threes Months London Interbank Offered Rate L I B O R [Member]
3 Month LIBOR
Shares Issued at End of Period
Shares issued at beginning of period
Common Stock, Shares, Issued
Common stock, shares issued
Commercial Services & Supplies [Member]
Commercial services & supplies.
Commercial Services & Supplies
Hotel, Gaming, Leisure, Restaurants
Hotel, Gaming, Leisure, Restaurants.
Hotel Gaming Leisure Restaurants [Member]
Decrease (increase) in prepaid expenses and other assets
Increase (Decrease) in Prepaid Expense and Other Assets
Decrease (increase) in prepaid expenses and other assets
Net realized and change in unrealized gains (losses).
Net Realized And Change In Unrealized Gains Losses [Abstract]
Net Realized and Change in Unrealized Gains (Losses)
2030
Debt Instrument Redemption Period Six [Member]
Debt Instrument Redemption Period Six Member.
Preferred Equity - Preferred Stock
Preferred Stock [Member]
Preferred Equity
Apollo Senior Floating Rate Fund Inc. and Apollo Tactical Income Fund Inc.
Apollo Senior Floating Rate Fund Inc And Apollo Tactical Income Fund Inc. [Member]
AFT / AIF
Income Statement [Abstract]
Percentage of cumulative pre-Incentive fee net return.
Percentage Of Cumulative Pre Incentive Fee Net Return
Percentage of cumulative pre-Incentive fee net return
Entity Address, State or Province
Debt Instrument, Fair Value Disclosure, Total
Debt Instrument, Fair Value Disclosure
Fair Value of Debt Obligations
All Currencies [Domain]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]
Assets Acquired:
Canada, Dollars
Canadian Dollar
Investment Company, Distribution [Policy Text Block]
Dividends and Distributions
Valuation Technique Broker Quoted [Member]
Valuation Technique Broker Quoted.
Broker Quote
Commitments and contingencies.
Commitments And Contingencies [Table]
Commitments And Contingencies [Table]
Equity, Class of Treasury Stock [Line Items]
Equity Class Of Treasury Stock [Line Items]
Accounting Standards Update [Extensible Enumeration]
Media [Member]
Media.
Media
Schedule of Investments [Table]
Schedule Of Investments [Table]
Annualized portfolio turnover rate
Investment Company, Portfolio Turnover
Performance-based incentive fees payable.
Performance-based Incentive Fees Payable
Performance-based incentive fees payable
Debt Instrument, Redemption, Period One [Member]
2023
2025
Unsuccessful in Originating Loans Risk [Member]
Unsuccessful in Originating Loans Risk.
Personal Care Products [Member]
Personal care products.
Personal Care Products
Line of Credit Facility, Expiration Date
Credit facility expiration date
Dividend record date
Dividends Payable, Date of Record
Summary of Unaudited Summarized Financial Information of Subsidiary
Summary of Unaudited Summarized Financial Information of Subsidiary [Table Text Block]
Summary of unaudited summarized financial information of subsidiary.
Investment Company, Capital Share Transaction, Increase (Decrease) [Abstract]
Capital Share Transactions
Apollo Investment Administration, Limited Liability Company.
Apollo Investment Administration Limited Liability Company [Member]
AIA
Machinery
Machinery [Member]
Machinery.
Consumer Staples Distribution and Retail [Member]
Consumer staples distribution and retail.
Class A2 Senior Secured Floating Rate Notes Due Two Thousand Thirty Seven [Member]
Class a2 senior secured floating rate notes due two thousand thirty seven.
Class A2 Senior Secured Floating Rate Notes Due Two Thousand Thirty Seven
Class A-2 Notes
Amortization of Debt Issuance Costs
Amortization of deferred financing costs
O 2024 Q3 Dividends.
O2024Q3Dividends
Subsequent Event [Line Items]
Subsequent Event [Line Items]
Net increase (decrease) in cash, cash equivalents and foreign currencies during the period
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect
Net increase (decrease) in cash, cash equivalents and foreign currencies during the period
Earnings Per Share, Basic, Total
Earnings Per Share, Basic
Basic earnings (loss) per share
Earnings (Loss) Per Share - Basic
Non-controlled/Non-affiliated Investments
Investment, Unaffiliated Issuer [Member]
Biotechnology [Member]
Biotechnology.
Biotechnology
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest [Abstract]
Operations
Ownership percentage of outstanding voting securities of investment.
Ownership Percentage Of Outstanding Voting Securities Of Investment
Ownership percentage of outstanding voting securities of investment
Cash, cash equivalents and foreign currencies.
Cash Cash Equivalents And Foreign Currencies [Abstract]
Cash, Cash Equivalents and Foreign Currencies
First Lien Secured Debt
First lien secured debt one.
First Lien Secured Debt One [Member]
Restricted Securities [Member]
Restricted Securities [Member]
Restricted Securities
Operating Expenses [Abstract]
Expenses
Summary of unfunded commitments.
Summary Of Unfunded Commitments [Table Text Block]
Summary of Unfunded Commitments
Commitments and contingencies.
Commitments And Contingencies [Line Items]
Commitments And Contingencies [Line Items]
Debt instrument fronting fees on letters of credit issued.
Debt Instrument Fronting Fees On Letters Of Credit Issued
Fronting fees on letters of credit issued
Other Liabilities, Total
Other Liabilities
Deemed contribution from the Investment Advisor
Business combination, deemed contribution from the investment advisor.
Business Combination, Deemed Contribution From The Investment Advisor
Annualized ratio of total expenses to average net assets
Investment Company, Expense Ratio, after Fee Waiver and Incentive Fee Deduction
Annualized ratio of total expenses to average net assets
Class A one notes member
Class A One Notes [Member]
Class A-1 Notes
Consumer goods – non-durable.
Consumer Goods Non Durable [Member]
Consumer Goods – Non-durable
Per share market value at end of period
Investment Company, Market Value, Per Share
Long-Term Debt
Total Bethesda CLO 1 Notes
Debt
Total Bethesda CLO 1 Notes
Unfunded commitments
Investment Company, Financial Support to Investee, Discretionary, Amount
Net change in unrealized appreciation (depreciation) on foreign currency forward contracts
Unrealized Gain (Loss) on Derivatives
Foreign currency forward contracts
Fractional shares.
Fractional Shares [Member]
Fractional Shares
Retained Earnings (Accumulated Deficit), Total
Retained Earnings (Accumulated Deficit)
Accumulated under-distributed (over-distributed) earnings
Increase (decrease) in accrued administrative services expense.
Increase Decrease In Accrued Administrative Services Expense
Increase (decrease) in accrued administrative services expense
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Schedule of Changes in Fair Value of Investments
Life Sciences Tools & Services
Life Sciences Tools And Services [Member]
Life Sciences Tools and Services.
Communications Equipment
Communications Equipment [Member]
Communications equipment.
Subordinate note due on two thousand one hundred twenty five.
Subordinated notes due 2125
Subordinate Notes
Fair value assets liabilities transfer between levels 1 to level 2
Fair Value Assets Liabilities Transfer Between Levels 1 to Level 2
Fair value assets liabilities transfer between levels 1 to level 2.
Investment owned percent at cost.
Investment Owned Percent At Cost
Investment owned percent at cost
Significant accounting policies.
Significant Accounting Policies [Line Items]
Significant Accounting Policies [Line Items]
Management fees waived.
Management Fees Waived
Management fees waived
Investment Type [Axis]
Investment Type
Net Cash Provided by (Used in) Operating Activities
Net Cash Used in/Provided by Operating Activities
Number of components consists in incentive fee
Number of Components Consists In Incentive Fee
Number of components consists in incentive fee.
Product and Service [Domain]
Product and Service
Fair Value
Derivative, Fair Value, Net
Derivative, Fair Value, Net, Total
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Price
Debt Instrument Price Percentage
Debt instrument price percentage.
Investment, Policy [Policy Text Block]
Investment Transactions
Net Cash Provided by (Used in) Operating Activities [Abstract]
Operating Activities
Aggregate gross unrealized gain of federal income tax
Investment, Tax Basis, Unrealized Gain
Consumer services.
Consumer Services [Member]
Consumer Services
Carbonfree Chemicals S A L L C [Member]
Carbonfree Chemicals SA LLC.
Carbonfree Chemicals S A L L C
Common Stock, Par or Stated Value Per Share
Common stock, par value
Containers & Packaging [Member]
Containers & Packaging.
Containers & Packaging
Measurement Input Type [Domain]
Measurement Input Type
Beverages
Beverages [Member]
Beverages.
Statement of Cash Flows [Abstract]
Counterparty Name [Axis]
Three Months Secured Overnight Financing Rate Sofr Overnight Index Swap Rate [Member]
3 Month SOFR
Three months secured overnight financing rate SOFR overnight index swap rate.
Net amortization on investments
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Net Amortization on Investments
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Net Amortization on Investments
Software [Member]
Software.
Software
Distribution of net investment income
Distribution of net investment income
Investment Company, Distribution to Shareholders, Per Share
One Month Secured Overnight Financing Rate Sofr Overnight Index Swap Rate [Member]
1 Month SOFR
One month secured overnight financing rate SOFR overnight index swap rate.
Valuation technique yield analysis.
Valuation Technique Yield Analysis [Member]
Yield Analysis
Significant accounting policies.
Significant Accounting Policies [Table]
Significant Accounting Policies [Table]
Tax basis of net unrealized loss for income tax purposes.
Tax Basis Of Net Unrealized Loss For Income Tax Purposes
Aggregate net unrealized loss of federal income tax
Six Months EURIBOR Interest Rate [member]
Six Months EURIBOR Interest Rate [member]
6 Months EURIBOR
Senior unsecured 2026 notes.
Senior Unsecured Notes Two Thousand Twenty Six [Member]
2026 Notes
Derivative, Gain (Loss) on Derivative, Net
Total
Investment Income Recognition
Investment Valuation Process
Revenue Recognition, Interest [Policy Text Block]
Equity Components [Axis]
Equity Components
Entity Address, Address Line One
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Schedule of Computation of Earnings (Loss) Per Share
Automotive.
Automotive [Member]
Automotive
Related Party Transaction [Table]
Schedule Of Related Party Transactions By Related Party [Table]
Debt instrument number of installment.
Debt Instrument Number Of Installment
Number of installment
Valuation Approach and Technique [Axis]
Valuation Approach and Technique
Required indebtedness ratio for covenants
Required Indebtedness Ratio for Covenants
Required indebtedness ratio for covenants.
Class A two notes member
Class A Two Notes [Member]
Class A-2 Notes
Leisure Products
Leisure Products [Member]
Leisure products.
SONIA Interest Rate.
S O N I A Interest Rate [Member]
SONIA
Subsequent Event Type [Axis]
Net assets.
Net Assets [Abstract]
Net Assets
Line of Credit Facility, Maximum Borrowing Capacity
Maximum borrowing capacity
12 Month SOFR
Twelve Months Secured Overnight Financing Rate Sofr Overnight Index Swap Rate [Member]
Twelve months secured overnight financing rate sofr overnight index swap rate.
Management and performance-based incentive fees waived.
Management And Performance Based Incentive Fees Waived
Management and performance-based incentive fees waived
Amendment Flag
A F T and A I F first merger.
A F T and A I F First Merger [Member]
AFT and AIF First Merger
AFT / AIF
Debt Instrument, Name [Domain]
Debt Instrument, Name
Capital in excess of par value
Additional Paid in Capital, Common Stock
Fee offset agreement.
Fee Offset Agreement [Member]
Fee Offset Agreement
Environmental Industries
Environmental Industries [Member]
Environmental Industries.
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
SOFR
Net Increase (Decrease) in Net Assets Resulting from Operations
Agreement termination fee.
Agreement Termination Fee
Agreement termination fee
Variable Rate [Domain]
Variable Rate
Interest Expense
Interest Expense [Member]
Schedule of Debt [Table Text Block]
Schedule of Outstanding Debt Obligations
Equity Component [Domain]
Equity Component
Statistical Measurement [Domain]
Statistical Measurement
Class B Senior Secured Floating Rate Notes Due Two Thousand Thirty Seven [Member]
Class b senior secured floating rate notes due two thousand thirty seven.
Class B Senior Secured Floating Rate Notes due 2037
Class B Notes
Change in capitalized PIK balance.
Change In Capitalized Pik Balance [Table Text Block]
Summary of Change in Capitalized PIK balance
Household Durables [Member]
Household Durables.
Household Durables
Investment, Interest Rate, Floor
Interest Rate
Floor
Investment Interest Rate
Interest Rate
Sales and Repayment of Investments on Trade Date Basis
Sales and repayment of investments on trade date basis.
Net increase (decrease) in net assets resulting from operations
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Net profit (loss)
Letter of credit expiration year.
Letter Of Credit Expiration Year
Letter of credit expiration year
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]
Total commitments.
Total Commitments [Member]
Total Commitments
Receivable for investments sold
Receivable, Investment, Sale
Net Increase (Decrease) in Net Assets Resulting from Capital Share Transactions
Investment Company, Capital Share Transaction, Increase (Decrease)
Net Increase (Decrease) in Net Assets Resulting from Capital Share Transactions
Net Asset Value Per Share
Net asset value per share
Net asset value at beginning of period
Net asset value at end of period
Industry Sector [Axis]
Industry Sector
Class of Stock [Domain]
Class of Stock
Fee offset period description
Fee offset period description.
Fee Offset Period Description
Structured products.
Structured Products [Member]
Structured Products
Financial Support to Nonconsolidated Legal Entity [Domain]
Shares outstanding at end of period
Common Stock, Shares, Outstanding
Common stock, shares outstanding
Shares outstanding at beginning of period
Shares Outstanding at End of Period
Fair Value Measurement, Policy [Policy Text Block]
Fair Value Measurements
Commitment of Merx revolver
Line of Credit Facility, Current Borrowing Capacity
Dividend Income, Operating, Total
Dividend Income, Operating
Dividend income
Investment Company, Financial Highlights [Abstract]
Health Care Equipment & Supplies
Health Care Equipment & Supplies [Member]
Health Care Equipment & Supplies.
Quarterly payment
Quarterly Payment
Quarterly payment.
Weighted Average [Member]
Weighted Average
Co-investment holdings.
Co Investment Holdings [Member]
Co-Investment Holdings
Restricted Investments, Percent of Net Assets
Restricted securities percent of net assets
PIK interest and dividends capitalized
PIK interest income
Interest Income, Operating, Paid in Kind
Paid in kind income earned
Unfunded revolver commitments.
Unfunded Revolver Commitments [Member]
Unfunded Revolver Commitments
Entity Interactive Data Current
Management fee annual rate percentage
Management and Service Fees, Base Rate
Liabilities Assumed:
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract]
Sonar Entertainment.
Sonar Entertainment [Member]
Sonar Entertainment
Valuation technique sale proceeds.
Valuation Technique Sale Proceeds [Member]
Sale Proceeds
Document Quarterly Report
Percentage of non qualifying assets representing company assets.
Percentage Of Non Qualifying Assets Representing Company Assets
Percentage of non-qualifying assets
Average gross assets minimum product percentage.
Average Gross Assets Minimum Product Percentage
Average gross assets minimum product percentage
Related Party Transaction [Domain]
Related Party Transaction
Cash, Cash Equivalents and Foreign Currencies at the End of Period
Cash, cash equivalents and foreign currencies at beginning of period
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Total
Related Party Transactions Disclosure [Text Block]
Related Party Agreements and Transactions
Debt Related Commitment Fees and Debt Issuance Costs
Debt related commitment fees
Statistical Measurement [Axis]
Statistical Measurement
Mannkind Corporation
Mannkind Corporation [Member]
Mannkind corporation.
Trading Companies And Distributors [Member]
Trading Companies & Distributors.
Trading Companies & Distributors
Unfunded commitments
Investment Company, Financial Support to Investee Contractually Required, Not Provided, Amount
Letter of Credit / Undrawn Commitment
Stockholders' Equity, Policy [Policy Text Block]
Retroactive Adjustments for Common Stock Reverse Split
Assets, Fair Value Disclosure, Total
Assets, Fair Value Disclosure
Assets Fair Value Disclosure
Schedule of Foreign-denominated Debt Outstanding
Schedule of Foreign-denominated Debt Outstanding [Table Text Block]
Schedule of foreign-denominated debt outstanding.
Auto pool.
Auto Pool [Member]
Auto Pool 2023
Net investment income
Net Investment Income
Net Investment Income
Related and Nonrelated Parties [Domain]
Related Party
High Tech Industries
High Tech Industries.
High Tech Industries [Member]
Investment Company, Financial Highlights [Table Text Block]
Schedule of Financial Highlights
Beverage food and tobacco.
Beverage Food And Tobacco [Member]
Beverage, Food & Tobacco
Adjustments due to investments exited or written off.
Adjustments Due To Investments Exited Or Written Off
Adjustments due to investments exited or written off
Debt Instrument, Redemption, Period Three [Member]
2027
Financial Support to Nonconsolidated Legal Entity [Axis]
Fair value, Ending balance
Fair value, Beginning balance
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
Interest Payable
Interest payable
Chemicals, plastics & rubber.
Chemicals Plastics And Rubber [Member]
Chemicals, Plastics & Rubber
Debt and foreign currency transactions and translations.
Debt And Foreign Currency Transactions And Translations [Abstract]
Loss Contingency, Nature [Domain]
Loss Contingency, Nature
Effect of foreign exchange rate changes on cash and cash equivalents
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations
Percentage of sales agent commission.
Percentage Of Sales Agent Commission
Percentage of sales agent receive commission
Statement of Income Location, Balance [Axis]
Income Statement Location
Cash and Cash Equivalents [Axis]
Investment Owned, Balance, Shares
Shares
Assets
Total Assets
Management services annual fee.
Management Services Annual Fee
Management services annual fee
Investment Company, Senior Security, Indebtedness, Asset Coverage Ratio
Asset coverage
O 2025 Q1 Dividends [Member]
O 2025 Q1 Dividends.
O 2025 Q1 Dividends
Lock up period
Lock Up Period
Lock up period.
Schedule of Long-Term Debt Instruments [Table]
Debt Instrument [Table]
Unrealized Gain/(Loss)
Unrealized Gain Losses on Foreign Denominated Debt Transactions
Unrealized gain losses on foreign denominated debt transactions.
Debt Instrument, Measurement Input
Quantitative Information on Unobservable input
Business Acquisition [Line Items]
Recent Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Entity Address, City or Town
Equity [Abstract]
British Pound
United Kingdom, Pounds
Non-extending Lenders
Non-extending lenders.
Non-extending Lenders [Member]
Pledging Purpose [Axis]
Pledging Purpose
Dividends [Axis]
Cumulative pre-Incentive fee net return description.
Cumulative Pre Incentive Fee Net Return Description
Cumulative pre-Incentive fee net return description
Derivative Asset, Type [Extensible Enumeration]
Non-controlled/Affiliated Investments
Investment, Affiliated Issuer, Noncontrolled [Member]
Cash held in foreign currency at cost.
Cash Held In Foreign Currency At Cost
Foreign currencies, cost
Total Aggregate Principal Amount Committed
Aggregate principal amount
Par Amount
Debt Instrument Percentage Of Capital Structure
Debt instrument percentage of capital structure.
% of Capital Structure
MFIC Bethesda CLO I LLC Class A-1 Notes
Senior Unsecured MFIC Bethesda CLO ILLC Class A One Notes [Member]
Senior unsecured MFIC Bethesda CLO ILLC class A one notes member.
Share price
Senior Unsecured MFIC Bethesda CLO II LLC Notes[Member]
Senior unsecured mfic bethesda clo ii llc notes.
MFIC Bethesda CLO II LLC Notes (Class A-1, Class A-2, Class B and Class C)
Financing Costs
Deferred Charges, Policy [Policy Text Block]
Accrued administrative services expense.
Accrued Administrative Services Expense
Accrued administrative services expense
Discount rate of average net asset value per share.
Discount Rate Of Average Net Asset Value Per Share
Discount rate of average net asset value per share
Measurement Input Broker Quote [Member]
Measurement Input Broker Quote.
Broker Quote
Total Assets and Liabilities at Fair Value
Cost Net Asset Liability
Cost net asset liability.
Advertising, printing and publishing.
Advertising Printing And Publishing [Member]
Advertising, Printing & Publishing
Net change in unrealized gains (losses) on Level 3 investments still held
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss)
Business acquisition management fee accrued.
Business Acquisition Management Fee Accrued
Management fee accrued
Wireless Telecommunication Services
Wireless Telecommunication Services [Member]
Wireless Telecommunication Services Member.
Measurement input comparable multiple.
Measurement Input Comparable Multiple [Member]
Comparable Multiple
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued
Interest and penalties accrued
Independent Power & Renewable Electricity Producers
Independent Power And Renewable Electricity Producers [Member]
Independent Power and Renewable Electricity Producers.
Line of credit facility maximum borrowing capacity under accordion feature.
Line Of Credit Facility Maximum Borrowing Capacity Under Accordion Feature
Maximum borrowing capacity under accordian feature
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]
Twelve months London interbank offered rate LIBOR.
Twelve Months London Interbank Offered Rate L I B O R [Member]
12 Month LIBOR
Stockholders' Equity, Period Increase (Decrease), Total
Stockholders' Equity, Period Increase (Decrease)
Net increase (decrease) in net assets during the period
Investment Income, Nonoperating [Abstract]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Percent Equity Securities
Percentage of Total Investments (at Fair Value)
Net proceeds from the issuance of common stock
Stock Issued During Period, Value, New Issues
Aggregate offering price of shares issued
Total Investment Income
Total Investment Income
Gross Investment Income, Operating
Interest/ Dividend/ Other Income
Open Forward Foreign Currency Contract, Identifier [Axis]
Annualized ratio of operating expenses to average net assets
Investment Company Annualized Ratio Of Operating Expenses To Average Net Assets
Investment company annualized ratio of operating expenses to average net assets.
Base amount considered for covenants
Base Amount Considered for Covenants
Base amount considered for covenants.
Document Type
CLOs and Standard Products
Collateralized Loan Obligations and Structured Products [Member]
Collateralized loan obligations and structured products.
Aggregate capital of New Aircraft Funds and New Balance Sheet Investments
New Aircraft Fundor New Managed Accounts
New aircraft fundor new managed accounts.
Security 12b Title
Net increase in net assets resulting from operations
Investment Company, Investment Income (Loss) from Operations, Per Share
Original Principal Amount
Foreign Denominated Original Principal Amount Outstanding
Foreign denominated original principal amount outstanding.
Cash and Cash Equivalents, at Carrying Value, Total
Cash and Cash Equivalents, at Carrying Value
Cash and cash equivalents
Cash Equivalents
Electronic Equipment, Instruments And Components [Member]
Electronic equipment, instruments and components.
Electronic Equipment, Instruments & Components
Debt Instrument, Redemption, Period [Axis]
Debt Instrument, Redemption, Period
Dividends [Domain]
MFIC Bethesda CLO Two LLC Debt Securitization [Member]
MFIC Bethesda Clo two LLC debt securitization.
MFIC Bethesda CLO 2 LLC Debt Securitization
Investment Company, Tax Return of Capital Distribution, Per Share
Distribution of return of capital
Realized gains or losses, policy.
Realized Gains Or Losses Policy [Policy Text Block]
Realized Gains or Losses
Document Fiscal Period Focus
Distribution of net investment income
Investment Company, Distribution, Ordinary Income
Distribution of net investment income
Distributions paid
Payments of Dividends
Payments of Dividends, Total
Investment owned at cost after cash equivalents.
Investment Owned at Cost After Cash Equivalents
Total Investments after Cash Equivalents
Total Investments after Cash Equivalents
Paid in kind balance.
Paid In Kind Balance
PIK balance at end of period
PIK balance at beginning of period
Consolidation, Policy [Policy Text Block]
Consolidation
pre-incentive fee net investment income description.
Pre Incentive Fee Net Investment Income Description
Pre-incentive fee net investment income description
Energy Equipment & Services
Energy Equipment & Services [Member]
Energy equipment & services.
Deferred Costs, Total
Deferred Costs
Deferred financing costs
Debt Instrument, Redemption, Period Two [Member]
2024
2026
Subsequent Event Type [Domain]
SEC rule 10b5-1 repurchase plan.
S E C Rule10b51 Repurchase Plan [Member]
10b5-1 Repurchase Plans
Average debt per share
Investment Company Average Debt Per Share
Investment company average debt per share.
Considered percentage of net proceeds from sale of equity interest for covenants
Considered Percentage of Net Proceeds from Sale of Equity Interest for Covenants Calculation
Considered percentage of net proceeds from sale of equity interest for covenants calculation.
Net Expenses
Investment Company, Expense, after Reduction of Fee Waiver and Reimbursement
Share Repurchase Program, Expiration Date
Termination Date
Principal Amount Outstanding
Foreign Denominated Principal Amount Outstanding
Foreign denominated principal amount outstanding.
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction Price Change, Operating, after Tax
Net change in unrealized gains (losses)
Net change in unrealized (gains) losses
Net change in unrealized gains (losses)
Passenger Airlines [Member]
Passenger Airlines
Passenger Airlines
Other Assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other
Percentage of management fee revenue earned and incentive fee revenue offset.
Percentage Of Management Fee Revenue Earned And Incentive Fee Revenue Offset
Percentage of management fee revenue earned and incentive fee revenue offset
Business acquisition, share price
Business Acquisition, Share Price
Management fee annual rate percentage.
Management Fee Annual Rate Percentage
Management fee annual rate percentage
Class of Treasury Stock [Table Text Block]
Schedule of Repurchase Plans
Common stock issued by the Company
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable
Issuance of common stock
Unrealized Gain/(Loss)
Unrealized Gain (Loss), Foreign Currency Transaction, before Tax
Foreign currency translations
Proceeds from Issuance of Unsecured Debt
Net proceeds from senior unsecured notes
Industry Sector [Domain]
Industry Sector
Health Care Technology [Member]
Health Care Technology.
Health Care Technology
Management fee quarter rate percentage.
Management Fee Quarter Rate Percentage
Management fee quarter rate percentage
Sale of Stock [Axis]
Investments [Domain]
Investments
Repurchased common stock value
Payments for Repurchase of Common Stock
Repurchase of common stock
Textiles, Apparel & Luxury Goods [Member]
Textiles, Apparel & Luxury Goods
Textiles, Apparel & Luxury Goods
Administrative Fees Expense
Administrative services expense
Foreign currency forward transactions, Fair Value
Foreign Currency Contract, Asset, Fair Value Disclosure
Unrealized Gain (Loss), Investment and Derivative, Operating, after Tax
Net change in unrealized (gains) losses
Valuation technique residual value.
Valuation Technique Residual Value [Member]
Residual Value
SHD Oil & Gas, LLC
SHD Oil & Gas, LLC.
S H D Oil Gas L L C [Member]
SHD Oil & Gas, LLC (f/k/a Spotted Hawk Development LLC)
Investment, Issuer Affiliation [Axis]
Investment Owned at Fair Value Before Cash Equivalents
Investment owned at fair value before cash equivalents.
Total Investments before Cash Equivalents, Fair Value
Merx Aviation Finance, LLC
Merx Aviation Finance, LLC.
Merx Aviation Finance L L C [Member]
Merx Aviation Finance, LLC
Business Combination, Asset Acquisition, and Joint Venture Formation [Abstract]
Repurchase of common stock
Stock Repurchased During Period, Value
Repurchase of common stock
Credit Facility [Domain]
Credit Facility
AIF
Apollo tactical income fund inc.
Apollo Tactical Income Fund Inc [Member]
Business services.
Business Services [Member]
Business Services
Debt Instrument, Frequency of Periodic Payment
Frequency of periodic payment
Economic interest percentage of preferred shares owned
Economic Interest Percentage of Preferred Shares Owned
Economic interest percentage of preferred shares owned.
Dividend Income From Structured Products
Dividend income from structured products.
Dividend income from structured products
Cost of Shares Repurchased
Stock Repurchased and Retired During Period, Value
Document Period End Date
Net Cash Provided by (Used in) Financing Activities
Net Cash Used in/Provided by Financing Activities
Unfunded delayed draw loan commitments.
Unfunded Delayed Draw Loan Commitments [Member]
Unfunded Delayed Draw Loan Commitments (Including Commitments with Performance thresholds Not Met)
Unfunded Delayed Draw Loan Commitments
Net change in unrealized gains (losses).
Net Change In Unrealized Gains Losses [Abstract]
Net change in unrealized gains (losses):
Transportation Infrastructure
Transportation Infrastructure [Member]
Transportation infrastructure.
Collateral on option contracts.
Collateral On Option Contracts Policy [Text Block]
Collateral on Option Contracts
Chemicals
Chemicals [Member]
Chemicals.
Equity Method Investment, Ownership Percentage
Investment owned, percent of fair value
Debt Conversion, Converted Instrument, Amount
Debt conversion, converted into common equity
Capital Share Activity
Investment Company, Capital Share Transactions, Stock Issued [Abstract]
Management fees recognized
Management Fee Expense
Management fees
Increase (decrease) in management and performance-based incentive fees payable
Increase (Decrease) in Management and Incentive Fees Payable
Percentage on investments on non-accrual at fair value.
Percentage on Investments On Non-Accrual at Fair Value
Percentage on investments on non-accrual at fair value
Prepaid Expense and Other Assets
Prepaid expenses and other assets
Annualized ratio of interest and other debt expenses to average net assets
Investment Company Annualized Ratio Of Interest And Other Debt Expenses To Average Net Assets
Investment company annualized ratio of interest and other debt expenses to average net assets.
Trading Symbol
Variable Rate
Variable Rate [Axis]
Schedule of Investments [Abstract]
Debt Instrument, Description of Variable Rate Basis
Debt Instrument interest rate description
Glacier Oil & Gas Corp. (f/k/a Miller Energy Resources, Inc.)
Glacier Oil And Gas Corp.
Glacier Oil And Gas Corp [Member]
3 month EURIBOR
Three Months EURIBOR Interest Rate
Three Months EURIBOR Interest Rate [Member]
Construction & Engineering [Member]
Construction & engineering.
Construction & Engineering
Controlled Investments
Investment, Affiliated Issuer, Controlled [Member]
Investment Company, Gain (Loss) on Investment, Per Share
Net realized and change in unrealized gains (losses)
Derivative Instrument [Axis]
Payments to Acquire Businesses, Gross
Cash paid
Professional Services [Member]
Professional services.
Professional Services
Related Party Transactions [Abstract]
Retail [Member]
Retail
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]
Asset coverage per unit
Investment Company Asset Coverage Per Unit
Investment company asset coverage per unit.
Technology Hardware, Storage & Peripherals
Technology Hardware, Storage & Peripherals [Member]
Technology Hardware, Storage & Peripherals
Investment, Tax Basis, Cost
Aggregate cost of federal income tax
Investment owned, percent of net assets
Investment Owned, Net Assets, Percentage
% of Net Assets
Share Repurchase Program [Axis]
Share Repurchase Program
Measurement Input, Discount Rate [Member]
Discount Rate
Measurement Input Type [Axis]
Measurement Input Type
Unfunded revolver obligations and bridge loan commitments.
Unfunded Revolver Obligations And Bridge Loan Commitments [Member]
Unfunded Revolver Obligations and Bridge Loan Commitments
Minimum Ordinary Income Distribution Percentage
Minimum ordinary income distribution percentage.
Minimum ordinary income distribution percentage
Transportation - cargo, distributions.
Transportation Cargo Distributions [Member]
Transportation - Cargo, Distribution
Merx administration agreement.
Merx Administration Agreement [Member]
Merx Administration Agreement
Use of Estimates, Policy [Policy Text Block]
Use of Estimates
Dividends Receivable
Dividends receivable
Cash and Cash Equivalents, Policy [Policy Text Block]
Cash and Cash Equivalents
Dividend declared per share
Dividends Payable, Amount Per Share
Debt Instrument, Credit Rating
Credit Rating
Expected Rating(S&P/Fitch)
Pledging Purpose [Domain]
Pledging Purpose
Class of Stock [Line Items]
Class Of Stock [Line Items]
Schedule of Business Acquisitions, by Acquisition [Table]
Electrical Equipment [Member]
Electrical equipment.
Electrical Equipment
Scenario [Axis]
Scenario
Security Exchange Name
Counterparty Name [Domain]
Business Acquisition, Acquiree [Domain]
Operating Expenses
Total expenses
Total Commitment
Investment Company, Financial Support to Investee Contractually Required, Amount
Class C Senior Secured Floating Rate Notes due 2037
Class C Senior Secured Floating Rate Notes Due Two Thousand Thirty Seven [Member]
Class c senior secured floating rate notes due two thousand thirty seven.
Class C Notes
Loss Contingency Nature [Axis]
Loss Contingency Nature
Class of Stock
Settlement Date
Derivative, Contract End Date
Subsequent Events
Subsequent Event [Member]
Net Assets
Net Assets
Net Assets
Net assets at beginning of period
Net Asset Value Per Share
Net Assets at End of Period
Net assets at end of period (in millions)
Maximum
Maximum [Member]
Fee offset step down percentage.
Fee Offset Step Down Percentage
Fee offset step down percentage
Drawn Commitment
Drawn Commitments
Drawn commitments.
ChyronHego Corporation
ChyronHego Corporation.
Chyron Hego Corporation [Member]
ChyronHego Corporation
Supplemental Cash Flow Information [Abstract]
Supplemental Disclosure of Cash Flow Information
Prime Rate [Member]
Prime Rate
Bridge loan commitments.
Bridge Loan Commitments [Member]
Bridge Loan Commitments
Euro Member Countries, Euro
European Euro
Bank bill swap rate.
Bank Bill Swap Rate [Member]
Bank Bill Swap Rate, BBSW
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities, Total
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities
Liabilities Assumed
Number of shares, reverse stock splits
Stock Issued During Period, Shares, Reverse Stock Splits
Stock issued, reverse stock splits
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Unfunded Commitments
Unfunded commitments measured at fair value
Unfunded commitments measured at fair value
Liabilities
Total Liabilities
Fair Value Hierarchy and NAV [Domain]
Fair Value Hierarchy and NAV
Commitment fee for unused portion of facility
Line of Credit Facility, Commitment Fee Amount
Proceeds from sales and repayments of investments
Proceeds from Disposition of Investment, Operating Activity
Incentive fees waived.
Incentive Fees Waived
Incentive fees waived
Forecast
Forecast [Member]
Shares issued during the period
Stock Issued During Period, Shares, New Issues
Common stock shares issued
Aviation and consumer transport.
Aviation And Consumer Transport [Member]
Aviation and Consumer Transport
Unrecognized Tax Benefits, Ending Balance
Unrecognized Tax Benefits, Beginning Balance
Unrecognized Tax Benefits
Uncertain tax positions
Golden bear 2016-R, LLC.
Golden Bear2016 R L L C [Member]
Golden Bear 2016-R, LLC
Net realized gains (losses)
Realized Investment Gains (Losses)
Net realized gains (losses)
Net realized (gains) losses
Expenses
Expenses, policy.
Expenses Policy [Policy Text Block]
Construction and Building.
Construction And Building [Member]
Construction & Building
Investment, Issuer Affiliation [Domain]
Investments in and Advances to Affiliates, at Fair Value, Gross Additions
Gross Additions
Diversified Consumer Services [Member]
Diversified consumer services.
Diversified Consumer Services
Share repurchases.
Share Repurchases [Policy Text Block]
Share Repurchases
Entity Filer Category
Interest income (excluding Payment-in-kind ("PIK") interest income)
Interest Income, Operating, Paid in Cash
Investment, Variable Interest Rate, Type [Extensible Enumeration]
Interactive Media & Services
Interactive Media & Services [Member]
Interactive Media & Services.
Collateral Loan Obligation Transactions
Collateral loan obligation transactions.
CLO transaction
Capital gains incentive fee
Capital Gains Incentive Fee
Capital gains incentive fee.
Debt Instrument, Redemption, Period [Domain]
Debt Instrument, Redemption, Period
Converted into right to receive shares for each outstanding share of common stock
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Organization
Risks Relating to the Mergers [Member]
Risks relating to the mergers.
Current Fiscal Year End Date
Debt instrument redemption rate per note.
Debt Instrument Redemption Rate Per Note
Debt instrument redemption rate per note
Interest/ Dividend/ Other Income
Investment Interest Dividend And Other Income
Investment interest dividend and other income.
Investment, Interest Rate, Paid in Cash
Interest Rate, Cash
Performance-based Incentive Fee
Performance-based Incentive Fee [Member]
Performance-based incentive fee.
Related Party Transaction [Axis]
Related Party Transaction
Related and Nonrelated Parties [Axis]
Related Party
Pharmaceuticals.
Pharmaceuticals [Member]
Pharmaceuticals
Six Months Secured Overnight Financing Rate Sofr Overnight Index Swap Rate [Member]
6 Month SOFR
Six months secured overnight financing rate SOFR overnight index swap rate.
Paper & Forest Products
Paper And Forest Products [Member]
Paper and forest products.
Entity Registrant Name
Other Income
Other income
First lien secured revolver.
First Lien Secured Revolver [Member]
First Lien Secured Revolver
Base management fee.
Base Management Fee [Member]
Base Management Fee
Incentive Fee based on Cumulative Net Realized Gains
Incentive Fee Based on Cumulative Net Realized Gains.
Incentive Fee Based On Cumulative Net Realized Gains [Member]
Summary of allocated amounts to be repurchase plans.
Schedule Of Allocated Amounts To Be Repurchase Plans Table [Text Block]
Summary of Allocated Amounts to be Repurchased
Schedule of Investments [Text Block]
Investments
Diversified Telecommunication Services [Member]
Diversified telecommunication services.
Diversified Telecommunication Services
Required minimum percentage of equity to assets
Required Minimum Percentage of Equity to Assets
Required minimum percentage of equity to assets.
Investment Company, Financial Highlights [Text Block]
Financial Highlights
Preferred return multiplying net asset percentage.
Preferred Return Multiplying Net Asset Percentage
Preferred return multiplying net asset percentage
Catch-up amount multiplying percentage.
Catch Up Amount Multiplying Percentage
Catch-up amount multiplying percentage
Earnings Per Share [Text Block]
Earnings Per Share
Debt Instrument, Maturity Date
Final Maturity Date
Performance-based incentive fee offset
Investment Company, Expense Offset Arrangement
Performance-based incentive fee offset
Investment, Type [Extensible Enumeration]
Money Market Funds [Member]
Money Market Fund
Weighted Average Number of Shares Outstanding, Basic, Total
Weighted Average Number of Shares Outstanding, Basic
Weighted average shares outstanding
Organization [Line Items]
Organization [Line Items]
Financial Services [Member]
Financial services.
Financial Services
Standby Letters of Credit
Standby Letters of Credit [Member]
Standby Letters of Credit Issued and Outstanding
Organization.
Organization [Table]
Notional amount to be purchased
Derivative Liability, Notional Amount
Debt Instrument Maturity Year
Debt instrument maturity year.
DebtInstrument maturity year
Increase (decrease) in other liabilities and accrued expenses.
Increase Decrease In Other Liabilities And Accrued Expenses
Increase (decrease) in other liabilities and accrued expenses
Eight point zero zero percent due two thousand twenty eight.
Eight Point Zero Zero Percent Due Two Thousand Twenty Eight [Member]
8.00% Notes Due 2028
Common Stock, Shares Authorized
Common stock, shares authorized
Share Repurchase Program [Domain]
Share Repurchase Program
2023 Debt Securitization
Two Thousand Twenty Three Debt Securitization [Member]
Two thousand twenty three debt securitization.
Net proceeds from additional offerings of common stock
Net proceeds from the issuance of common stock
Equity offerings of common stock
Fair Value, Inputs, Level 1 [Member]
Level 1
Maximum amount of debt outstanding
Maximum Amount of Debt Outstanding
Maximum amount of debt outstanding.
Containers, packaging and glass.
Containers, Packaging and Glass [Member]
Containers, Packaging & Glass
Letter of credit outstanding.
Letter Of Credit Outstanding
Letter of credit outstanding
Measurement input expected volatility.
Measurement Input Expected Volatility [Member]
Expected Volatility
Measurement input recoverable amount.
Measurement Input Recoverable Amount [Member]
Recoverable Amount
AIC SPV Holdings II, LLC.
A I C S P V Holdings I I L L C [Member]
AIC SPV Holdings II, LLC
Letters of credit expiration year
Letters of Credit Expiration Year
Letters of credit expiration year.
General and Administrative Expense [Member]
Administrative Service Expense
Aerospace and defense.
Aerospace And Defense [Member]
Aerospace & Defense
Payable, Investment, Purchase
Payable for investments purchased
Increase (Decrease) in Interest Payable, Net
Increase (decrease) in interest payable
Electric Utilities [Member]
Electric utilities.
Electric Utilities
AFT First Merger
A F T First Merger [Member]
AFT First Merger.
Cash and Cash Equivalents, Held in Foreign Currency
Foreign currencies (cost - $1,367 and $1,487, respectively)
Specialty Retail [Member]
Specialty retail.
Specialty Retail
Treasury Stock, Common, Value
Amount Allocated to 10b5-1 Repurchase Plans
Equity Securities, FV-NI, Measurement Input
Quantitative Information on Unobservable input
Accounting Policies [Abstract]
Management fees payable
Management Fee Payable
Management fees, accrued
Letter of credit issued.
Letter Of Credit Issued
Letter of credit issued
Measurement input recent transaction.
Measurement Input Recent Transaction [Member]
Recent Transaction
Structured products and other.
Structured Products And Other [Member]
Structured Products And Other
SONIA
Sterling Overnight Index Average
Sterling Overnight Index Average [Member]
Sterling overnight index.
Long-Term Line of Credit, Total
Long-Term Line of Credit
Line of credit
Equity, Attributable to Parent [Abstract]
Net Assets
One month CORRA interest rate.
One Month CORRA Interest Rate [Member]
1 Month CORRA
Term debt securitization
Accounts Receivable from Securitization
Schedule of Investments [Line Items]
Schedule of Investments [Line Items]
Schedule of Foreign Exchange Contracts, Statement of Financial Position [Table Text Block]
Schedule of Foreign Currency Forward Contracts
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Supplemental Disclosure of Non-Cash Activity
Net unrealized (appreciation) depreciation on foreign currency forward contracts
Net Unrealized Appreciation Depreciation on Foreign Currency Forward Contracts
Net unrealized appreciation depreciation on foreign currency forward contracts.
Recovery of Direct Costs
Administrative service expense reimbursements
Expense reimbursements
Statement [Table]
Statement [Table]
Subsequent Event [Table]
Subsequent Event [Table]
Percentage of qualifying assets representing company total assets.
Percentage Of Qualifying Assets Representing Company Total Assets
Percentage of qualifying assets
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Summary of Unobservable Inputs Used in Fair Value Measurements of Level 3 Investments
Entity File Number
Valuation Technique, Option Pricing Model [Member]
Option Pricing Model
Accretion due to share repurchases
Investment Company, Share Repurchase, Per Share
Earnings Per Share [Abstract]
Wholesale.
Wholesale [Member]
Wholesale
Interest Receivable
Interest receivable
MSEA Tankers LLC.
M S E A Tankers L L C [Member]
MSEA Tankers LLC
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]
Statement of Financial Position [Abstract]
Equity Method Investments [Table Text Block]
Unaudited Summarized Financial Information For Merx
ATM Offering
At the market offering.
At The Market Offering [Member]
Share purchase price par value
Shares Issued, Price Per Share
Common stock issued, price per share
Interest Expense, Operating, Total
Interest Expense, Operating
Interest and other debt expenses
Derivative contracts held by the company
Derivative Asset
Derivative Asset, Total
Unrealized appreciation on foreign currency forward contracts
Letter of Credit [Member]
Letter of Credit
Entity Shell Company
Decrease (increase) in interest receivable
Increase (Decrease) in Accrued Interest Receivable, Net
Entity Tax Identification Number
Senior Secured Floating Rate Notes Due Two Thousand Thirty Seven [Member]
Senior secured floating rate notes due two thousand thirty seven.
Senior Secured Floating Rate Notes due 2037
Assets [Abstract]
Assets
Debt Instrument, Redemption, Period Four [Member]
2028
Entity Current Reporting Status
Second lien secured debt.
Second Lien Secured Debt [Member]
Second Lien Secured Debt
Percentage of non-qualifying assets
Percentage Of Non Qualifying Assets Representing Company Total Assets
Percentage of non qualifying assets representing company total assets.
Derivative Asset, Subject to Master Netting Arrangement, before Offset of Collateral
Derivative Asset, Subject to Master Netting Arrangement, before Offset of Collateral, Total
Offsetting assets and liabilities derivative contract
Investment, Acquisition Date
Acquisition Date
Investment cost
Investment Cost
Amortized cost
Subsequent Events [Abstract]
Total Assets Acquired
Total Assets Acquired
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets
Document Fiscal Year Focus
Business combination, recognized identifiable assets acquired and liabilities assumed, investments, at fair value.
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Investments, at fair value
Investments, at fair value
Letter of credit expire in two thousand twenty four.
Letter of Credit Expire in Two Thousand Twenty Four [Member]
Letter of Credit Expire in 2024
Other General and Administrative Expense
Other general and administrative expenses
Payments of debt
Repayments of Long-Term Debt
Repayments of Long-Term Debt, Total
Treasury Stock, Value, Acquired, Cost Method
Cost of Shares Repurchased
Proceeds from Issuance Initial Public Offering
Proceeds from initial public offering
Healthcare & Pharmaceuticals
Healthcare and Pharmaceuticals.
Healthcare And Pharmaceuticals [Member]
Business Acquisition [Axis]
City Area Code
Derivative Contract [Domain]
Senior unsecured 2028 notes.
Senior Unsecured Notes Two Thousand Twenty Eight [Member]
2028 Notes
Accrued Liabilities and Other Liabilities
Other liabilities and accrued expenses
Line of Credit Facility, Lender [Domain]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage
Commitment fee per annum
IT Services [Member]
IT Services.
IT Services
Minimum capital gains distribution percentage.
Minimum Capital Gains Distribution Percentage
Minimum capital gains distribution percentage
Administration Agreement.
Administration Agreement [Member]
Administration Agreement
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Local Phone Number
Investment Holdings, Schedule of Investments [Table Text Block]
Schedule of Composition of Investment Portfolio
Net Decrease in Net Assets Resulting from Distributions to Shareholders
Distribution of net investment income
Distribution of net investment income
Investment Company, Dividend Distribution
Net Decrease in Net Assets Resulting from Distributions to Shareholders
Net Decrease in Net Assets Resulting from Distributions to Stockholders
Investment Maturity Date
Maturity Date
Senior Unsecured MFIC Bethesda CLO 2 LLC Notes [Member]
Senior unsecured MFIC Bethesda CLO 2 LLC notes.
MFIC Bethesda CLO 2 LLC Notes (Class A-1, Class A-2, Class B and Class C)
Merx and Apollo.
Merx and Apollo [Member]
Merx and Apollo
Incentive Fee Expense
Performance-based incentive fees
Management fee quarter rate percentage of average gross assets.
Management Fee Quarter Rate Percentage Of Average Gross Assets
Management fee quarter rate percentage of average gross assets
Income Tax, Policy [Policy Text Block]
Federal and State Income Taxes
Realized Investment Gains (Losses) [Abstract]
Net realized gains (losses):
Commitments and Contingencies Disclosure [Abstract]
Shares Acquired, Average Cost Per Share
Weighted-average price per share
Investment owned at fair value after cash equivalents.
Investment Owned at Fair Value After Cash Equivalents
Total Investments after Cash Equivalents, Fair Value
Total Investments after Cash Equivalents, Fair Value
Annualized amortized debt issuance cost during period.
Annualized Amortized Debt Issuance Cost During Period
Annualized amortized debt issuance cost
Transfers out of Level 3
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3
Merx aviation.
Merx Aviation [Member]
Merx Aviation
Current Fee
Current Fee [Member]
Current fee [Member].
Investment Company, Total Return
Total return
Debt Instrument, Interest Rate, Stated Percentage
Annual interest rate
Ground Transportation [Member]
Ground transportation.
Ground Transportation
Preferred return multiplying net assets percentage.
Preferred return multiplying net assets percentage
Earnings Per Share, Basic [Abstract]
Basic Earnings Per Share
Over-Allotment Option [Member]
Over-allotment Option
Fee offset period.
Fee Offset Period
Fee offset period
Real Estate Management And Development [Member]
Real estate management and development.
Real Estate Management & Development
Document Transition Report
Debt Instrument, Date of First Required Payment
Date of first required payment to repay
Economic ownership percentage
Economic Ownership Percentage
Economic ownership percentage.
Operations Commenced Date
Operations commenced date
Share Repurchase Program, Authorized, Amount
Maximum Cost of Shares That May Be Repurchased
Affiliated investments.
Affiliated Investments [Member]
Affiliated Investments
Cash and Cash Equivalents, Held in Foreign Currency, Acquisition Cost
Foreign cash and cash equivalent
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]
Valuation Approach and Technique [Domain]
Valuation Approach and Technique
Investment Company, Tax Return of Capital Distribution
Distribution of return of capital
Amended senior secured facility.
Amended Senior Secured Facility [Member]
Amended Senior Secured Facility
Energy - Oil & Gas
Energy oil and gas.
Energy Oil And Gas [Member]
Fair Value, Investments, Entities that Calculate Net Asset Value Per Share [Table]
Fair Value Investments Entities That Calculate Net Asset Value Per Share [Table]
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, Total
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net
Deferred Financing Costs and Debt Discount
Minimum [Member]
Minimum
Net change in unrealized gains (losses)
Unrealized Gain (Loss) on Investments
Net change in unrealized gains (losses)
Net change in unrealized (gains) losses
Investments in and Advances to Affiliates, at Fair Value, Gross Reductions
Gross Reductions
Common Stock
Common Equity
Common Stock
Derivatives, Offsetting Fair Value Amounts, Policy [Policy Text Block]
Offsetting Assets and Liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents
Cash & Cash Equivalent
Valuation technique recovery analysis one.
Valuation Technique Recovery Analysis One [Member]
Recovery Analysis
Investment, Name [Axis]
Investment, Name
Summary of Average and Maximum Debt Outstanding, Interest and Debt Issuance Cost
Summary of Average and Maximum Debt Outstanding, Interest and Debt Issuance Cost [Table Text Block]
Summary of average and maximum debt outstanding, interest and debt issuance cost.
Annualized ratio of net investment income to average net assets
Investment Company, Investment Income (Loss) Ratio
Letter of credit expire in two thousand twenty three.
Letter of Credit Expire in Two Thousand Twenty Three [Member]
Letter of Credit Expire in 2023
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Foreign Currency Translations
Net change in unrealized gains (losses)
Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Net Change In Unrealized Gains (Losses)
Fair value measurement with unobservable inputs reconciliation recurring basis asset net change in unrealized gains (losses).
Percentage of preferred shares owned.
Percentage Of Preferred Shares Owned
Percentage of preferred shares owned
Line of Credit Facility, Frequency of Payment and Payment Terms
Frequency of payment and payment terms
Statement of Income Location, Balance [Domain]
Income Statement Location
Senior Secured Facility
Senior secured facility.
Senior Secured Facility [Member]
Second Lien Secured Debt
Incentive Fee Payable
Performance-based incentive fees payable
Paid-in-Kind Interest
PIK income
Mfic Bethesda Clo one Llc debt securitization member.
MficBethesdaCloOneLlcDebtSecuritization[Member]
MFIC Bethesda CLO 1 LLC Debt Securitization
Derivative Instruments, Gain (Loss) [Table Text Block]
Schedule of Derivative Instruments, Gain (Loss)
Financing costs paid and deferred
Payments of Financing Costs
Payments of Financing Costs, Total
Food Products
Food Products [Member]
Food Products.
Net Realized and Change in Unrealized Gains (Losses)
Gain (Loss), Investment and Derivative, Operating, and Foreign Currency Transaction, before Tax
Share Repurchase Program, Remaining Authorized, Amount
Remaining Cost of Shares That May Be Repurchased
Realized Gain (Loss), Foreign Currency Transaction, before Tax
Foreign currency transactions
Entity Common Stock, Shares Outstanding
First lien secured debt.
First Lien Secured Debt [Member]
First Lien Secured Debt
Purchases of investments on trade date basis.
Purchases Of Investments On Trade Date Basis
Purchases of investments on trade date basis
Basis of Accounting, Policy [Policy Text Block]
Basis of Presentation
Spread
Investment, Basis Spread, Variable Rate
Investment valuation process.
Investment Valuation Process [Policy Text Block]
Investment Valuation Process
Scenario [Domain]
Scenario
Sub-servicing agreement.
Sub-servicing Agreement [Member]
Management services annual fee
Segment Reporting, Expense Information Used by CODM, Description
Segment Reporting, Expense Information Used by CODM, Description
Investment Company, Net Assets [Roll Forward]
Common Stock, Value, Issued
Common stock, issued value
Common stock, $0.001 par value (130,000,000 shares authorized; 93,303,622 and 93,780,278 shares issued and outstanding, respectively)
Percentage on investments on non-accrual at amortized cost.
Percentage on Investments On Non-Accrual at Amortized Cost
Percentage on investments on non-accrual at amortized cost
Building Products [Member]
Building products.
Building Products
Cash and Cash Equivalents, Fair Value Disclosure
Total Cash Equivalents, Fair Value
Merx and AIA [Member]
Merx and AIA.
Merx and AIA
Consumer goods – durable.
Consumer Goods Durable [Member]
Consumer Goods - Durable
Foreign Denominated Debts Reset Date
Foreign Denominated Debts Reset Date
Reset Date
Treace Medical Concepts Inc
Treace Medical Concepts Inc [Member]
Treace Medical Concepts, Inc.
Annualized ratio of total expenses to average net assets without voluntary fee waivers
Investment Company Annualized Ratio Of Total Expenses To Average Net Assets Excluding Voluntary Fee Waivers
Investment company annualized ratio of total expenses to average net assets excluding voluntary fee waivers.
Commitments and Contingencies
Commitments and contingencies (Note 9)
Measurement input residual value.
Measurement Input Residual Value [Member]
Residual Value
Total Assets and Liabilities at Fair Value, Fair Value
Fair Value, Net Asset (Liability)
Automobile Components
Automobile Components [Member]
Automobile components.
Middle market investment companies EBIDTA.
Middle Market Investment Companies EBIDTA
Middle market investment companies EBIDTA
Significant Accounting Policies [Text Block]
Significant Accounting Policies
Offering cost
Offering Cost
Offering cost.
Telecommunications.
Telecommunications [Member]
Telecommunications
Net realized gains (losses)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings
Investment Owned, Balance, Principal Amount
Par
Balance of debt amount
Valuation technique recovery analysis.
Valuation Technique Recovery Analysis [Member]
Recovery Analysis
Insurance.
Insurance [Member]
Insurance
One Month London Interbank Offered Rate L I B O R [Member]
1 Month LIBOR
One month London interbank offered rate LIBOR.
Basis spread
Debt Instrument, Basis Spread on Variable Rate
Borrowing base interest rate
Senior Unsecured Mfic Bethesda Clo 1 Llc Class A One Notes [Member]
Senior unsecured mfic bethesda clo 1 llc Class a one notes.
MFIC Bethesda CLO 1 LLC Class A-1 Notes
Stockholders' Equity Note, Stock Split, Conversion Ratio
Reverse stock split, conversion ratio
Derivative Liability
Derivative Liability, Total
Unrealized depreciation on foreign currency forward contracts
Investments, Fair Value Disclosure, Total
Investments, Fair Value Disclosure
Investments, fair value
Treasury Stock, Shares, Acquired
Shares repurchased
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net
Net Assets Acquired
Credit Facility
Credit Facility [Axis]
Legacy Fee
Legacy Fee [Member]
Legacy fee [Member].
Health Care Providers & Services
Health Care Providers & Services [Member]
Health Care Providers & Services.
Accretion (Amortization) of Discounts and Premiums, Investments
Net amortization of premiums and accretion of discounts on investments
Restricted Investments, at Fair Value
Restricted securities fair value
Valuation technique estimated proceeds.
Valuation Technique Estimated Proceeds [Member]
Estimated Proceeds
Debt Instrument, Redemption Period, Start Date
Redemption period, start date
Shares issued price per share adjusted for reverse stock splits.
Shares Issued Price Per Share Adjusted for Reverse Stock Splits
Shares issued price per share adjusted for reverse stock split
Valuation technique recent transaction .
Valuation Technique Recent Transaction [Member]
Recent Transaction
Net Cash Provided by (Used in) Financing Activities [Abstract]
Financing Activities
Accretion of discount on notes
Amortization of Debt Discount (Premium)
Liabilities [Abstract]
Liabilities
Investment Company, Distribution to Shareholders [Abstract]
Distributions to Stockholders
Derivative, Number of Instruments Held, Total
Derivative, Number of Instruments Held
Number of derivative contracts held
Summary of secured and unsecured notes issued table text block.
Summary Of Secured And Unsecured Notes Issued [TableText Block]
Summary of Secured and Unsecured Notes Issued
Manufacturing Capital Equipment.
Manufacturing Capital Equipment [Member]
Manufacturing, Capital Equipment
Unsecured Debt [Member]
Unsecured Debt
Subordinated Debt, Total
Subordinated Debt, Beginning Balance
Subordinated Debt, Ending Balance
Subordinated Debt
Subordinated Notes
Measurement input, sale proceeds.
Measurement Input Sale Proceeds [Member]
Sale Proceeds
Aggregate net unrealized loss of federal income tax
Investment, Tax Basis, Unrealized Gain (Loss)
Tax Basis of Investments, Unrealized Appreciation (Depreciation), Net, Total
Percentage Of Federal Excise Tax On Income Where Distribution Requirements Not Met
Percentage of federal excise tax on income where distribution requirements not met.
Investment company, pay excise tax equal to percentage of amount of annual income and capital gains exceed distribution from taxable income
Measurement input estimated proceeds.
Measurement Input Estimated Proceeds [Member]
Estimated Proceeds
Long-Term Debt, Average Amount Outstanding
Average debt outstanding (in millions)
Apollo senior floating rate fund inc.
Apollo Senior Floating Rate Fund Inc [Member]
AFT
Paid-in-kind income received in cash.
Paid In Kind Income Received In Cash
PIK income received in cash
Percentage of pre-incentive fee net investment income.
Percentage Of Pre Incentive Fee Net Investment Income
Percentage of pre-incentive fee net investment income
Fair Value, Inputs, Level 3 [Member]
Level 3
Controlled Investments
Controlled investments member.
Controlled Investments [Member]
Subsequent Events [Text Block]
Subsequent Events
Sales
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales
Interest and Dividend Income, Operating, Paid in Kind
PIK interest and dividends capitalized
PIK interest and dividends capitalized
Energy – Electricity.
Energy Electricity [Member]
Energy - Electricity
Currency [Axis]
Euro interbank offered rate.
Canadian overnight repo rate average.
Euro Interbank Offered Rate [Member]
Canadian Overnight Repo Rate Average [Member]