Statistical Measurement [Domain]
Statistical Measurement [Domain]
Non-control/Non-affiliate Investments
Investment, Unaffiliated Issuer [Member]
Constant default rate
Measurement Input, Default Rate [Member]
Award Timing Predetermined
Award Timing Predetermined [Flag]
Related Party Transaction [Axis]
Related Party Transaction [Axis]
Subordinated notes
Structured Finance Notes, Subordinated Notes [Member]
Structured Finance Notes, Subordinated Notes
Receivable for investments sold
Increase (Decrease) in Receivable for Investment Sold
Payment-in-kind interest and dividend income:
Interest and Dividend Income, Operating, Paid in Kind
Asset Class [Axis]
Asset Class [Axis]
Dividend income:
Dividend Income, Operating, Paid in Cash
Securities Act File Number
Paid-in capital in excess of par
Additional Paid-in Capital [Member]
Valuation Approach and Technique [Domain]
Valuation Approach and Technique [Domain]
Tabular List, Table
Tabular List [Table Text Block]
Investments
Schedule of Investments [Text Block]
Amendment fees received
Fee Income [Member]
Fee Income
Schedule of Distributions Declared
Dividends Declared [Table Text Block]
Schedule of Related Party Expenses and Distributions
Schedule of Related Party Transactions [Table Text Block]
Income tax (expense) benefit on net realized gains on investments
Realized Gain (Loss), Investment and Derivative, Operating, Tax Expense (Benefit)
Investment Concentration Risk
Investment Concentration Risk [Member]
Investment Concentration Risk
Second Lien Debt Investments
Second lien
Second Lien Debt Investments [Member]
Second Lien Debt Investments
Debt investments
Debt Securities [Member]
Trading Arrangements, by Individual
Trading Arrangements, by Individual [Table]
Total return based on market value
Investment Company, Total Return, Market Value
Measurement Basis [Axis]
Measurement Basis [Axis]
Net investment income per common share - basic (in usd per share)
Earnings Per Share, Basic
Adjustment to Compensation:
Adjustment to Compensation [Axis]
Related Party Transactions
Related Party Transactions Disclosure [Text Block]
Schedule of Credit Facilities
Schedule of Line of Credit Facilities [Table Text Block]
Named Executive Officers, Footnote
Named Executive Officers, Footnote [Text Block]
Net increase (decrease) in net assets resulting from operations per common share – basic and diluted (in usd per share)
Investment Company, Net Asset Value, Per Share, Period Increase (Decrease)
Average Price Paid Per Share (in usd per share)
Stock Repurchased During Period, Average Price, Dividend Reinvestment Plan
Stock Repurchased During Period, Average Price, Dividend Reinvestment Plan
Discount rates
Measurement Input, Discount Rate [Member]
Number of Shares Purchased (in shares)
Stock Repurchased During Period, Shares, Dividend Reinvestment Plan
Stock Repurchased During Period, Shares, Dividend Reinvestment Plan
EBITDA multiples
Measurement Input, EBITDA Multiple [Member]
Measurement Input Type [Domain]
Measurement Input Type [Domain]
Net realized loss on investments, net of taxes
Realized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction, Operating, after Tax
Adjustment to Compensation, Amount
Adjustment to Compensation Amount
Concentration risk, percentage
Percentage of Total
Concentration Risk, Percentage
Affiliated entity
Affiliated Entity [Member]
Net unrealized appreciation (depreciation) on investments held
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss)
Debt covenant, asset coverage
Debt Instrument, Covenant, Asset Coverage Percentage
Debt Instrument, Covenant, Asset Coverage Percentage
Proceeds from distributions received from portfolio investments
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Distributions
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Distributions
Employee Stock Option
Share-Based Payment Arrangement, Option [Member]
Award Timing MNPI Disclosure
Award Timing MNPI Disclosure [Text Block]
Cash and cash equivalents
Cash and Cash Equivalents, Policy [Policy Text Block]
Net realized loss on investments
Net Realized Gain (Loss)
Debt and Equity Securities, Realized Gain (Loss)
Average net asset value
Investment Company, Average Net Assets
Total net assets
Balance
Balance
Net asset value at end of period
Equity, Attributable to Parent
O 2024 Q3 Aggregate Dividends
O 2024 Q3 Aggregate Dividends [Member]
O 2024 Q3 Aggregate Dividends
Insider Trading Policies and Procedures [Line Items]
Common stock, authorized (in shares)
Common Stock, Shares Authorized
Total income (loss) from operations (in usd per share)
Investment Company, Investment Income (Loss) from Operations, Per Share
Unsecured Notes Due July 2028, overallotments
Unsecured Notes Due July 2028, Overallotments [Member]
Unsecured Notes Due July 2028, Overallotments
Redstone Holdco 2 LP (F/K/A RSA Security)
Redstone Holdco 2 LP (F/K/A RSA Security) [Member]
Redstone Holdco 2 LP (F/K/A RSA Security)
Capitalized PIK interest and dividends
Interest Income, Operating, Capitalized Paid In Kind Interest And Dividends [Member]
Interest Income, Operating, Capitalized Paid In Kind Interest And Dividends
Total liabilities and net assets
Liabilities and Equity
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
Unsecured Notes Due February 2026
Unsecured Notes Due February 2026 [Member]
Unsecured Notes Due February 2026
Concentration of credit risk
Concentration Risk, Credit Risk, Policy [Policy Text Block]
Portion at Fair Value Measurement
Portion at Fair Value Measurement [Member]
Maximum
Maximum [Member]
Investments in and Advances to Affiliates [Line Items]
Investments in and Advances to Affiliates [Line Items]
Accounting Policies [Abstract]
Unsecured Note Due August 2029
Unsecured Notes Due August 2029 [Member]
Unsecured Notes Due August 2029
Unsecured Notes Due October 2028
Unsecured Notes Due October 2028 [Member]
Unsecured Notes Due October 2028
BNP Facility
BNP Facility
BNP Facility [Member]
BNP Facility
Concentration Risk Type [Domain]
Concentration Risk Type [Domain]
Non-PEO NEO Average Total Compensation Amount
Non-PEO NEO Average Total Compensation Amount
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Investment, Identifier [Axis]
Investment, Identifier [Axis]
Dividends Payable [Line Items]
Dividends Payable [Line Items]
Adjustment to Non-PEO NEO Compensation Footnote
Adjustment to Non-PEO NEO Compensation Footnote [Text Block]
Pay vs Performance Disclosure [Line Items]
Investments, at fair value:
Fair Value
Investments, fair value
Fair Value
Fair Value
Investment Owned, Fair Value
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Liabilities
Liabilities [Abstract]
Non-Rule 10b5-1 Arrangement Terminated
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Payable for investments purchased
Payable, Investment, Purchase
Entity Shell Company
Average outstanding balance
Average dollar borrowings
Long-Term Debt, Average Amount Outstanding
Schedule of Carrying Values and Fair Values of Debt
Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]
Schedule of Long-Term Debt Instruments [Table]
Schedule of Long-Term Debt Instruments [Table]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Statement of Stockholders' Equity [Abstract]
Interest and dividend receivable
Increase (Decrease) in Interest and Dividends Receivable
Statement of Cash Flows [Abstract]
Company Selected Measure Amount
Company Selected Measure Amount
Award Timing MNPI Considered
Award Timing MNPI Considered [Flag]
Line of Credit Facility [Table]
Line of Credit Facility [Table]
Envocore Holding, LLC (F/K/A LRI Holding, LLC)
Envocore Holding, LLC (F/K/A LRI Holding, LLC) [Member]
Envocore Holding, LLC (F/K/A LRI Holding, LLC)
Measurement Input Type [Axis]
Measurement Input Type [Axis]
Investment, Issuer Affiliation [Axis]
Investment, Issuer Affiliation [Axis]
Name
Measure Name
Base management fee
Base management fee
Management Fee Expense
Tolemar Acquisition, Inc.
Tolemar Acquisition, Inc. [Member]
Tolemar Acquisition, Inc.
Industry Sector [Domain]
Industry Sector [Domain]
Document Fiscal Period Focus
Unsecured Notes
Unsecured Debt [Member]
O 2025 Q3 Aggregate Dividends
O 2025 Q3 Aggregate Dividends [Member]
O 2025 Q3 Aggregate Dividends
Award Timing Method
Award Timing Method [Text Block]
Revenue multiples
Measurement Input, Revenue Multiple [Member]
Award Type
Award Type [Axis]
Qualifying assets percentage
Investment Company, Qualifying Assets Percentage
Investment Company, Qualifying Assets Percentage
Transaction Price
Measurement Input, Quoted Price [Member]
Legal Entity [Axis]
Incentive fee, realized capital gains
Investment Advisory Agreement - Incentive Fee Rate, Realized Capital Gains [Member]
Investment Advisory Agreement - Incentive Fee Rate, Realized Capital Gains
Total assets
Total assets
Assets
Investment, Name [Domain]
Investment, Name [Domain]
Trading Symbol
JP Intermediate B, LLC
JP Intermediate B, LLC [Member]
JP Intermediate B, LLC
Geographical [Domain]
Geographical [Domain]
Reclassification of deferred offering costs from the issuance of Unsecured Notes
Debt Issuance Costs Incurred During Noncash or Partial Noncash Transaction
Entity Address, City or Town
Cash flows from operating activities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
Wellful Inc. (F/K/A KNS Acquisition Corp.)
Wellful Inc. (F/K/A KNS Acquisition Corp.) [Member]
Wellful Inc. (F/K/A KNS Acquisition Corp.)
Receivable for investments sold
Receivable, Investment, Sale
Concentration Risk Type [Axis]
Concentration Risk Type [Axis]
Non-PEO NEO Average Compensation Actually Paid Amount
Non-PEO NEO Average Compensation Actually Paid Amount
Income Statement Location [Domain]
Statement of Income Location, Balance [Domain]
7.50% Notes due 2028
7.50% Notes Due 2028 [Member]
7.50% Notes Due 2028
Compensation Actually Paid vs. Other Measure
Compensation Actually Paid vs. Other Measure [Text Block]
Amortization of Net Loan Fees
Amortization of Deferred Loan Origination Fees, Net
Fair Value
Investment Portfolio Fair Value [Member]
Investment Portfolio Fair Value
Recovery rate
Measurement Input, Recovery Rate [Member]
Measurement Input, Recovery Rate
Entity Emerging Growth Company
Distribution declared (in usd per share)
Common Stock, Dividends, Per Share, Declared
Entity Common Stock, Shares Outstanding
Principal Amount
Investment Owned, Balance, Principal Amount
Changes in operating assets and liabilities:
Increase (Decrease) in Operating Assets [Abstract]
Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year
Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member]
Level 2
Fair Value, Inputs, Level 2 [Member]
Deferred debt issuance costs
Debt Issuance Costs, Net
Incentive fee
Investment Advisory Agreement - Incentive Fee [Member]
Investment Advisory Agreement - Incentive Fee
Insider Trading Policies and Procedures Not Adopted
Insider Trading Policies and Procedures Not Adopted [Text Block]
Distributions paid to affiliates
Payments of Distributions to Affiliates
Number of common shares outstanding (in shares)
Common stock, outstanding (in shares)
Balance (in shares)
Balance (in shares)
Shares outstanding at end of period (in shares)
Common Stock, Shares, Outstanding
Finance and Insurance
Finance and Insurance [Member]
Finance and Insurance
Document Information [Table]
PEO
PEO [Member]
Manufacturing
Manufacturing [Member]
Manufacturing
Affiliate Investments
Investment, Affiliated Issuer [Member]
12 Interactive, LLC (D/B/A PerkSpot)
12 Interactive, LLC (D/B/A PerkSpot) [Member]
12 Interactive, LLC (D/B/A PerkSpot)
Unsecured Notes [Member]
Unsecured Notes
Wholesale Trade
Wholesale Trade [Member]
Wholesale Trade
United States
UNITED STATES
Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year
Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member]
Public Administration
Public Administration [Member]
Public Administration
Total accumulated losses
Retained Earnings [Member]
Entity Address, Postal Zip Code
Restatement Determination Date
Restatement Determination Date
Beginning of period
End of period
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Income Statement [Abstract]
Basis spread on variable interest rate
Debt Instrument, Basis Spread on Variable Rate
Net increase (decrease)
Stockholders' Equity, Period Increase (Decrease)
Level 3 assets, beginning balance
Level 3 assets, ending balance
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
Interest payable
Increase (Decrease) in Interest Payable, Net
Document Information [Line Items]
Purchase and origination of portfolio investments
Payment for Purchase, Investment, Operating Activity
Preferred stock, issued (in shares)
Preferred Stock, Shares Issued
Unsecured Notes (net of deferred debt issuance costs of $3,123 and $1,688, respectively)
Unsecured Debt
Pension Adjustments Service Cost
Pension Adjustments Service Cost [Member]
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV [Axis]
Incentive fee, quarterly catch-up threshold
Investment Advisory Agreement - Incentive Fee Rate, Quarterly Catch-Up Threshold [Member]
Investment Advisory Agreement - Incentive Fee Rate, Quarterly Catch-Up Threshold
Total return based on net asset value
Investment Company, Total Return
Stated interest expense
Interest Expense, Debt, Excluding Amortization
Net investment income
Net investment income
Net Investment Income
Restatement does not require Recovery
Restatement Does Not Require Recovery [Text Block]
Stock repurchase program, period
Share Repurchase Program, Period in Force
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Debentures
Notes Payable, Other Payables [Member]
Dividends/Distributions declared
Investment Company, Dividend Distribution
Compensation Actually Paid vs. Company Selected Measure
Compensation Actually Paid vs. Company Selected Measure [Text Block]
City Area Code
Award Timing, How MNPI Considered
Award Timing, How MNPI Considered [Text Block]
All Trading Arrangements
All Trading Arrangements [Member]
Equity Awards Adjustments, Footnote
Equity Awards Adjustments, Footnote [Text Block]
Total Shareholder Return Vs Peer Group
Total Shareholder Return Vs Peer Group [Text Block]
Interest rate, cash
Investment, Interest Rate, Paid in Cash
Commitments and Contingencies Disclosure [Abstract]
Borrowings under revolving lines of credit
Proceeds from Long-Term Lines of Credit
Total expenses
Investment Company, Expense, after Reduction of Fee Waiver and Reimbursement
Pay vs Performance Disclosure
Pay vs Performance Disclosure [Table]
Net cash provided by operating activities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Related Party Transactions [Abstract]
Income Incentive Fee
Income Incentive Fee
Incentive Fee Expense
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Investments in and Advances to Affiliates, at Fair Value [Roll Forward]
Amendment fees received
Amendment Fees Collected
Amendment Fees Collected
Sale and redemption of portfolio investments
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales
Preferred stock, par value (in usd per share)
Preferred Stock, Par or Stated Value Per Share
Subsequent Event
Subsequent Event [Member]
Discount margin
Measurement Input, Discount Margin [Member]
Measurement Input, Discount Margin
Payable to adviser and affiliates and Other liabilities
Other Liabilities
Equity Valuation Assumption Difference, Footnote
Equity Valuation Assumption Difference, Footnote [Text Block]
PEO Total Compensation Amount
PEO Total Compensation Amount
Long-Term Debt, Type [Axis]
Long-Term Debt, Type [Axis]
Incentive fee, pre-incentive fee net investment income below catch-up threshold
Investment Advisory Agreement - Incentive Fee Rate, Pre-Incentive Fee Net Investment Income Below Catch-Up Threshold [Member]
Investment Advisory Agreement - Incentive Fee Rate, Pre-Incentive Fee Net Investment Income Below Catch-Up Threshold
Honor HN Buyer Inc.
Honor HN Buyer Inc [Member]
Honor HN Buyer Inc
Interest rate, PIK
PIK interest rate
Investment, Interest Rate, Paid in Kind
Schedule of Investments [Abstract]
Equity Components [Axis]
Equity Components [Axis]
Transfers from Level 3 to Level 2
Transfers from Level 3 to Level 2
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3
Pfanstiehl Holdings, Inc.
Pfanstiehl Holdings, Inc [Member]
Pfanstiehl Holdings, Inc
Non-Rule 10b5-1 Arrangement Adopted
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Accretion of interest income on Structured Finance Securities
Interest Income, Operating, Accretion Of Interest Income [Member]
Interest Income, Operating, Accretion Of Interest Income
Schedule of Financial Highlights
Investment Company, Financial Highlights [Table Text Block]
Health Care and Social Assistance
Health Care and Social Assistance [Member]
Health Care and Social Assistance
Supplemental Disclosure of Cash Flow Information:
Supplemental Cash Flow Information [Abstract]
Baymark Health Services, Inc.
BayMark Health Services, Inc. [Member]
BayMark Health Services, Inc.
Other Performance Measure, Amount
Other Performance Measure, Amount
Payment of deferred financing costs
Payments of Debt Issuance Costs
Entity Address, State or Province
1 to 3 years
Long Term Debt, Maturity, Years One To Year Three
Long Term Debt, Maturity, Years One To Year Three
Related Party, Type [Domain]
Related and Nonrelated Parties [Domain]
Affiliate investments
Investment, Affiliated Issuer, Noncontrolled [Member]
Underwriting fees
Debt Issuance Costs, Underwriting Fees, Gross
Debt Issuance Costs, Underwriting Fees, Gross
Individual:
Individual [Axis]
Distributions paid to common stockholders
Cash Distribution
Payments of Ordinary Dividends, Common Stock
Conversion from debt investments to equity investments
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers
O 2025 Q2 Aggregate Dividends
O 2025 Q2 Aggregate Dividends [Member]
O 2025 Q2 Aggregate Dividends
Entity [Domain]
Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table
Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member]
Cash paid for interest expense
Interest Paid, Excluding Capitalized Interest, Operating Activity
Document Fiscal Year Focus
Basis of presentation
Basis of Accounting, Policy [Policy Text Block]
Fair value of loans on non-accrual additions
Investment Owned, At Fair Value, Nonaccrual, Additions
Investment Owned, At Fair Value, Nonaccrual, Additions
Forgone Recovery, Explanation of Impracticability
Forgone Recovery, Explanation of Impracticability [Text Block]
Redemption of debt
Repayments of Long-Term Debt
Entity Interactive Data Current
Ratio of total expenses to average net assets
Investment Company, Expense Ratio after Incentive Allocation
Carrying Value
Reported Value Measurement [Member]
Number of components
Related Party Transaction, Number Of Components
Related Party Transaction, Number Of Components
Equity [Abstract]
Investments, amortized cost
Amortized Cost
Investment Owned, Cost
Information
Information [Member]
Information
OFS Capital Corporation
OFS Capital Corporation [Member]
OFS Capital Corporation
Medrina LLC
Medrina LLC [Member]
Medrina LLC
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Brightwood Capital MM CLO 2023-1A, Ltd.
Brightwood Capital MM CLO 2023-1, Ltd. [Member]
Brightwood Capital MM CLO 2023-1, Ltd.
Other Commitments [Line Items]
Other Commitments [Line Items]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Investment Advisory Agreement
Investment Advisory Agreement [Member]
Investment Advisory Agreement
SBA Debentures
SBA Debentures [Member]
SBA Debentures
Schedule of Commitments to Fund Investments
Schedule For Financial Support For Nonconsolidated Entity [Table Text Block]
Schedule For Financial Support For Nonconsolidated Entity
Compensation Actually Paid vs. Total Shareholder Return
Compensation Actually Paid vs. Total Shareholder Return [Text Block]
Weighted Average
Weighted Average [Member]
Fair Value, Recurring and Nonrecurring [Table]
Fair Value, Recurring and Nonrecurring [Table]
Fair value of loans on non-accrual
Investment Owned, At Fair Value, Nonaccrual
Investment Owned, At Fair Value, Nonaccrual
Amortization of intangible asset
Amortization of Intangible Assets
Ratio of loss on extinguishment of debt to average net assets
Investment Company, Gain (Loss) On Extinguishment Of Debt Ratio
Investment Company, Gain (Loss) On Extinguishment Of Debt Ratio
Construction
Construction Sector [Member]
Total Debt and Equity Investments - Non-control/Non-affiliate Investments
Total debt and equity investments
Debt And Equity Investments [Member]
Debt And Equity Investments
3 to 5 years
Long-Term Debt, Maturity, Year Four and Five
Net unrealized (depreciation) appreciation on investments, net of deferred taxes
Net unrealized (appreciation) depreciation on investments, net of deferred taxes
Unrealized Gain (Loss), Investment and Derivative, Operating, after Tax
Net asset value per share (in usd per share)
Net asset value per share at beginning of period (in usd per share)
Net asset value per share at end of period (in usd per share)
Entity Central Index Key
PEO Name
PEO Name
Schedule of Maturities
Schedule of Maturities of Long-Term Debt [Table Text Block]
Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year
Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member]
O 2024 Q1 Aggregate Dividends
O 2024 Q1 Aggregate Dividends [Member]
O 2024 Q1 Aggregate Dividends
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Outstanding Aggregate Erroneous Compensation Amount
Outstanding Aggregate Erroneous Compensation Amount
Revolving Credit Facility
Revolving Credit Facility [Member]
Write-off of deferred offering costs
Deferred Debt Issuance Cost, Writeoff
Arrangement Duration
Trading Arrangement Duration
Investment, Issuer Name [Domain]
Investment, Issuer Name [Domain]
Exercise Price
Award Exercise Price
Entity Filer Category
Dividends
Dividend Income, Operating
Local Phone Number
Class of Stock [Domain]
Class of Stock [Domain]
Additional 402(v) Disclosure
Additional 402(v) Disclosure [Text Block]
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
After 5 years
Long-Term Debt, Maturity, after Year Five
Real Estate and Rental and Leasing
Real Estate And Rental And Leasing [Member]
Real Estate And Rental And Leasing
Payable for investments purchased
Increase (Decrease) in Payable for Investment Purchased
Assets
Assets [Abstract]
Proceeds from Unsecured Notes issuances, net of commissions and discounts
Issuance of unsecured debt
Proceeds from Issuance of Unsecured Debt
Credit Facility [Axis]
Credit Facility [Axis]
Gross Additions
Investments in and Advances to Affiliates, at Fair Value, Gross Additions
Nonrelated party
Nonrelated Party [Member]
Underlying Security Market Price Change
Underlying Security Market Price Change, Percent
Debt Instrument [Axis]
Fair Value of Financial Instruments
Fair Value Disclosures [Text Block]
Loss on extinguishment of debt
Loss on extinguishment of debt
Gain (Loss) on Extinguishment of Debt
Credit Facility [Domain]
Credit Facility [Domain]
Net unrealized appreciation (depreciation) on investments
Net Change in Unrealized Appreciation/(Depreciation)
Debt and Equity Securities, Unrealized Gain (Loss)
Net assets
Equity, Attributable to Parent [Abstract]
Schedule of Investments in and Advances to Affiliates
Schedule of Investments in and Advances to Affiliates, Schedule of Investments [Table Text Block]
Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year
Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member]
Percent of Net Assets
Percentage of Total, Net Assets
Investment Owned, Net Assets, Percentage
Entity Address, Address Line One
Entity Address, Address Line Two
Contract Datascan Holdings, Inc.
Contract Datascan Holdings, Inc. [Member]
Contract Datascan Holdings, Inc.
Aggregate amortized cost, nonaccrual
Investment Owned, At Cost, Nonaccrual
Investment Owned, At Cost, Nonaccrual
RideNow Group, Inc. (F/K/A. RumbleOn, Inc.)
RideNow Group, Inc. (F/K/A. RumbleOn, Inc.) [Member]
RideNow Group, Inc. (F/K/A. RumbleOn, Inc.)
Interest rate
Debt Instrument, Interest Rate, Stated Percentage
Investment, Name [Axis]
Investment, Name [Axis]
Loss on extinguishment of debt
Gain (Loss) on Extinguishment of Debt, before Debt Issuance Cost Writeoff
Investments [Domain]
Investments [Domain]
Structured Finance Securities, Mezzanine Debt
Structured Finance Securities, Mezzanine Debt [Member]
Structured Finance Securities, Mezzanine Debt
Base management fee percentage
Management and Service Fees, Base Rate
Financial Support for Nonconsolidated Legal Entity [Table]
Financial Support for Nonconsolidated Legal Entity [Table]
Industry Sector [Axis]
Industry Sector [Axis]
First Brands Group, LLC
First Brands Group, LLC [Member]
First Brands Group, LLC
Investment Company [Abstract]
Financial Highlights
Investment Company, Financial Highlights [Text Block]
Fair Value as of Grant Date
Award Grant Date Fair Value
Associated Spring, LLC
Associated Spring, LLC [Member]
Associated Spring, LLC
Entity Registrant Name
Management of Companies and Enterprises
Management Of Companies And Enterprises [Member]
Management Of Companies And Enterprises
Stock Price or TSR Estimation Method
Stock Price or TSR Estimation Method [Text Block]
Schedule of Debt instruments
Schedule of Long-Term Debt Instruments [Table Text Block]
O 2025 Q1 Aggregate Dividends
O 2025 Q1 Aggregate Dividends [Member]
O 2025 Q1 Aggregate Dividends
Related Party Transaction [Line Items]
Related Party Transaction [Line Items]
Document Quarterly Report
Gross Reductions
Investments in and Advances to Affiliates, at Fair Value, Gross Reductions
Effective accretable yield
Investment, Interest Rate, Effective Accretable Yield
Investment, Interest Rate, Effective Accretable Yield
Schedule of Significant Level 3 Inputs
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
Changed Peer Group, Footnote
Changed Peer Group, Footnote [Text Block]
Counterparty Name [Domain]
Counterparty Name [Domain]
Accretion of interest income on Structured Finance Securities
Accretion (Amortization) of Discounts and Premiums, Investments
Adjustment To PEO Compensation, Footnote
Adjustment To PEO Compensation, Footnote [Text Block]
Investment Type [Axis]
Investment Type [Axis]
Related Party, Type [Axis]
Related and Nonrelated Parties [Axis]
Title
Trading Arrangement, Individual Title
Peer Group Total Shareholder Return Amount
Peer Group Total Shareholder Return Amount
Unsecured Notes Due July 2028
Unsecured Notes Due July 2028 [Member]
Unsecured Notes Due July 2028
Repayments under revolving lines of credit
Repayments of Long-Term Lines of Credit
Prepaid expenses and other assets
Prepaid Expense and Other Assets
Restatement Determination Date:
Restatement Determination Date [Axis]
Net Assets
Investment Portfolio Net Assets [Member]
Investment Portfolio Net Assets
Non-PEO NEO
Non-PEO NEO [Member]
Location of amounts included in earnings - not disclosed
Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Income Extensible List Not Disclosed Flag
Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Income Extensible List Not Disclosed Flag
Net loss on investments
Gain (Loss), Investment and Derivative, Operating, and Foreign Currency Transaction, after Tax
PSB Group, LLC
PSB Group, LLC [Member]
PSB Group, LLC
Total interest and debt financing costs
Interest Expense, Debt
Fee income:
Fees
Fee Income
Name
Trading Arrangement, Individual Name
Commitment
Investment Company, Financial Support to Investee Contractually Required, Not Provided, Amount
All Award Types
Award Type [Domain]
Make whole-premium
Payment for Debt Extinguishment or Debt Prepayment Cost
Investments in and Advances to Affiliates [Abstract]
Equity Awards Adjustments
Equity Awards Adjustments [Member]
Pension Benefits Adjustments, Footnote
Pension Benefits Adjustments, Footnote [Text Block]
Canada
CANADA
Compensation Amount
Outstanding Recovery Compensation Amount
Aggregate principal
Debt Instrument, Face Amount
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Net unrealized appreciation (depreciation) on investments held, location not disclosed
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain Loss, Statement Of Income, Extensible List Not Disclosed Flag
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain Loss, Statement Of Income, Extensible List Not Disclosed Flag
Affiliates Of OFS Advisor
Affiliates Of OFS Advisor [Member]
Affiliates Of OFS Advisor
Kreg LLC
Kreg LLC [Member]
Kreg LLC
Recovery of Erroneously Awarded Compensation Disclosure [Line Items]
Fair Value
Estimate of Fair Value Measurement [Member]
Preferred Equity
Preferred equity
Preferred Stock [Member]
Schedule of Investments [Line Items]
Schedule of Investments [Line Items]
MNPI Disclosure Timed for Compensation Value
MNPI Disclosure Timed for Compensation Value [Flag]
Investment, Issuer Affiliation [Domain]
Investment, Issuer Affiliation [Domain]
Name
Awards Close in Time to MNPI Disclosures, Individual Name
Loss on extinguishment of debt (in usd per share)
Investment Company, Gain (Loss) On Extinguishment Of Debt, Per Share
Investment Company, Gain (Loss) On Extinguishment Of Debt, Per Share
AIDC IntermediateCo 2, LLC
AIDC IntermediateCo 2, LLC [Member]
AIDC IntermediateCo 2, LLC
Aggregate Erroneous Compensation Not Yet Determined
Aggregate Erroneous Compensation Not Yet Determined [Text Block]
Investment income
Revenues [Abstract]
Adviser Concentration Risk
Adviser Concentration Risk [Member]
Adviser Concentration Risk
Percentage of Total, Net Assets
Investment Owned, Amortized Cost, Percent Of Net Assets
Investment Owned, Amortized Cost, Percent Of Net Assets
Payment-in-kind interest and dividend income
Interest And Dividend Income, Operating, Paid In Kind, Including Capitalized Amounts
Interest And Dividend Income, Operating, Paid In Kind, Including Capitalized Amounts
Financial Instruments [Domain]
Financial Instruments [Domain]
Purchase and origination of portfolio investments
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases
Income Statement Location [Axis]
Statement of Income Location, Balance [Axis]
Per share operating performance:
Investment Company, Per Share Operating Performance [Roll Forward]
Investment Company, Per Share Operating Performance
Unused commitment
Line of Credit Facility, Remaining Borrowing Capacity
Aggregate Pension Adjustments Service Cost
Aggregate Pension Adjustments Service Cost [Member]
Fair Value Hierarchy and NAV [Domain]
Fair Value Hierarchy and NAV [Domain]
Incentive fee, pre-incentive fee net investment income exceeds catch-up threshold
Investment Advisory Agreement - Incentive Fee Rate, Pre-Incentive Fee Net Investment Income Exceeds Catch-Up Threshold [Member]
Investment Advisory Agreement - Incentive Fee Rate, Pre-Incentive Fee Net Investment Income Exceeds Catch-Up Threshold
First Lien Debt Investments, Unitranche
First Lien Debt Investments, Unitranche [Member]
First Lien Debt Investments, Unitranche
Minimum
Minimum [Member]
Net unrealized appreciation (depreciation) on investments, net of deferred taxes (in usd per share)
Investment Company, Unrealized Gain (Loss) on Investment, Per Share
Company Selected Measure Name
Company Selected Measure Name
Fair Value Measurement [Domain]
Fair Value Measurement [Domain]
Borrowings
Debt Disclosure [Text Block]
Preferred stock, par value of $0.01 per share, 2,000,000 shares authorized, -0- shares issued and outstanding as of September 30, 2025 and December 31, 2024, respectively
Preferred Stock, Value, Issued
Aggregate Available
Trading Arrangement, Securities Aggregate Available Amount
Investments in and Advances to Affiliates [Table]
Investments in and Advances to Affiliates [Table]
Portfolio turnover
Investment Company, Portfolio Turnover
Interest payable
Interest Payable
Ratio of total expenses and loss on extinguishment of debt to average net assets
Investment Company, Expense And Gain (Loss) On Extinguishment Of Debt Ratio
Investment Company, Expense And Gain (Loss) On Extinguishment Of Debt Ratio
Stock Appreciation Rights (SARs)
Stock Appreciation Rights (SARs) [Member]
Subordinated Debt Investments
Subordinated Debt [Member]
All Executive Categories
All Executive Categories [Member]
Interest rate floor
Debt Instrument, Floor Interest Rate
Debt Instrument, Floor Interest Rate
Structured Finance Securities
Structured Finance Securities
Structured Finance Securities [Member]
Structured Finance Securities
Common stock, par value of $0.01 per share, 100,000,000 shares authorized, 13,398,078 shares issued and outstanding as of September 30, 2025 and December 31, 2024, respectively
Common Stock, Value, Issued
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Loss on extinguishment of debt
Extinguishment of Debt, Gain (Loss), Net of Tax
Diluted weighted-average common shares outstanding (in shares)
Diluted weighted average shares outstanding (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Commitments and contingencies (Note 6)
Commitments and Contingencies
Non-GAAP Measure Description
Non-GAAP Measure Description [Text Block]
Avison Young
Avison Young Inc [Member]
Avison Young Inc
Entity Small Business
Other expenses
Other Cost and Expense, Operating
Investments, at fair value, measurement input
Investment Company, Investment Owned, Measurement Input
Preferred stock, outstanding (in shares)
Preferred Stock, Shares Outstanding
Ratio of net investment income to average net assets
Investment Company, Investment Income (Loss) Ratio, after Incentive Allocation
Document Transition Report
Investment ownership percentage
Equity Method Investment, Ownership Percentage
Schedule of Portfolio Concentrations
Schedules of Concentration of Risk, by Risk Factor [Table Text Block]
4.95% Notes due 2028
4.95% Notes Due 2028 [Member]
4.95% Notes Due 2028
Underlying Securities
Award Underlying Securities Amount
Repayments of SBA debentures
Repayments of Other Long-Term Debt
Equity Component [Domain]
Equity Component [Domain]
Document Period End Date
PEO Actually Paid Compensation Amount
PEO Actually Paid Compensation Amount
Number of investments in portfolio companies
Investment Owned, Number Of Investments In Portfolio Companies
Investment Owned, Number Of Investments In Portfolio Companies
Awards Close in Time to MNPI Disclosures, Table
Awards Close in Time to MNPI Disclosures [Table Text Block]
Schedule of Investments [Table]
Schedule of Investments [Table]
Total debt
Debt Instrument, Fair Value Disclosure
Scenario [Axis]
Scenario [Axis]
Document Type
Level 3
Fair Value, Inputs, Level 3 [Member]
Name
Outstanding Recovery, Individual Name
Paid-in capital in excess of par
Additional Paid in Capital
All Individuals
All Individuals [Member]
One GI LLC
One GI LLC [Member]
One GI LLC
Long-Term Debt, Type [Domain]
Long-Term Debt, Type [Domain]
Fair Value Disclosures [Abstract]
Name
Forgone Recovery, Individual Name
Distributions declared per common share (in usd per share)
Distributions declared (in usd per share)
Amount Per Share (in usd per share)
Investment Company, Distribution to Shareholders, Per Share
Statistical Measurement [Axis]
Statistical Measurement [Axis]
Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested
Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member]
Payable to adviser and affiliates
Increase (Decrease) in Due to Affiliates
Stock repurchase program, authorized amount
Share Repurchase Program, Authorized, Amount
Offering expenses
Debt Issuance Costs, Offering Expenses, Gross
Debt Issuance Costs, Offering Expenses, Gross
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Aggregate Erroneous Compensation Amount
Aggregate Erroneous Compensation Amount
Amortization of Net Loan Fees
Interest Income, Operating, Amortization Of Net Loan Fees [Member]
Interest Income, Operating, Amortization Of Net Loan Fees
Incentive fee, pre-incentive fee net income
Investment Advisory Agreement, Incentive Fee Rate, Pre-Incentive Fee Net Income [Member]
Investment Advisory Agreement, Incentive Fee Rate, Pre-Incentive Fee Net Income
Peer Group Issuers, Footnote
Peer Group Issuers, Footnote [Text Block]
Boca Home Care Holdings, Inc.
Boca Home Care Holdings, Inc. [Member]
Boca Home Care Holdings, Inc.
Erroneous Compensation Analysis
Erroneous Compensation Analysis [Text Block]
GoTo Group (F/K/A LogMeIn, Inc.)
GoTo Group (F/K/A LogMeIn, Inc.) [Member]
GoTo Group (F/K/A LogMeIn, Inc.)
Line of Credit Facility [Line Items]
Line of Credit Facility [Line Items]
Geographical [Axis]
Geographical [Axis]
Other assets and liabilities
Increase (Decrease) in Other Operating Assets and Liabilities, Net
Rule 10b5-1 Arrangement Terminated
Rule 10b5-1 Arrangement Terminated [Flag]
Level 1
Fair Value, Inputs, Level 1 [Member]
Revolving lines of credit
Outstanding debt
Long-Term Line of Credit
Total Amount Paid
Stock Repurchased During Period, Value, Dividend Reinvestment Plan
Stock Repurchased During Period, Value, Dividend Reinvestment Plan
Schedule of Related Party Transactions, by Related Party [Table]
Related Party Transaction [Table]
Net investment income per common share - diluted (in usd per share)
Earnings Per Share, Diluted
Forecast
Forecast [Member]
Erroneously Awarded Compensation Recovery
Erroneously Awarded Compensation Recovery [Table]
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Title of 12(b) Security
Supplemental Disclosure of Non-Cash Activities:
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Cayman Islands
CAYMAN ISLANDS
Dividends [Axis]
Dividends [Axis]
Net investment income
Investment Income, Operating, after Expense and Tax
Clevertech Bidco, LLC
Clevertech Bidco, LLC [Member]
Clevertech Bidco, LLC
Proceeds from sale or redemption of portfolio investments
Proceeds From Disposition Of Investment, Sale Or Redemption, Operating Activity
Proceeds From Disposition Of Investment, Sale Or Redemption, Operating Activity
Common equity, warrants and other
Common Equity, Warrants and Other
Common Equity, Warrants and Other [Member]
Common Equity, Warrants and Other
Proceeds from principal payments on portfolio investments
Proceeds From Disposition Of Investment, Principal Payment, Operating Activity
Proceeds From Disposition Of Investment, Principal Payment, Operating Activity
Amortized cost of loans on non-accrual additions
Investment Owned, At Cost, Nonaccrual, Additions
Investment Owned, At Cost, Nonaccrual, Additions
Variable-rate Loans
Variable-Rate Loans [Member]
Variable-Rate Loans
Interest income:
Interest
Interest Income, Operating, Paid in Cash
Administration fee
Administration fee
Administrative Fees Expense
Security 1 Common [Member]
Security 1 Common
Structured Finance Securities, Subordinated Notes
Structured Finance Securities, Subordinated Notes [Member]
Structured Finance Securities, Subordinated Notes
Mezzanine debt
Structured Finance Notes, Mezzanine Debt [Member]
Structured Finance Notes, Mezzanine Debt
First Lien Debt Investments
First lien
First Lien Debt Investments [Member]
First Lien Debt Investments
Incentive fee, annualized hurdle rate
Investment Advisory Agreement, Incentive Fee Rate, Annualized Hurdle Rate [Member]
Investment Advisory Agreement, Incentive Fee Rate, Annualized Hurdle Rate
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Award Timing Disclosures [Line Items]
Net realized loss on investments, net of taxes
Realized Gain (Loss), Investment and Derivative, Operating, after Tax
Debt outstanding
Total
Long-Term Debt, Gross
Spread Above Index
Investment, Basis Spread, Variable Rate
Capital Transactions
Equity [Text Block]
Effective interest rate
Weighted average effective interest rate
Debt Instrument, Interest Rate During Period
Share of common stock owned (in shares)
Investment Owned, Balance, Shares
Net increase (decrease) in net assets resulting from operations
Net increase (decrease) in net assets resulting from operations
Net Income (Loss) Attributable to Parent
Subsequent Event [Table]
Subsequent Event [Table]
Dividends [Domain]
Dividends [Domain]
Expiration Date
Trading Arrangement Expiration Date
SSJA Bariatric Management LLC
SSJA Bariatric Management LLC [Member]
SSJA Bariatric Management LLC
Net investment income (in usd per share)
Investment Company, Investment Income (Loss), Per Share, Basic
Administrative and Support and Waste Management and Remediation Services
Administrative and Support and Waste Management and Remediation Services [Member]
Administrative and Support and Waste Management and Remediation Services
Inergex Holdings, LLC
Inergex Holdings, LLC [Member]
Inergex Holdings, LLC
Preferred stock, authorized (in shares)
Preferred Stock, Shares Authorized
Net increase (decrease) in net assets resulting from operations:
Net Income (Loss) Attributable to Parent [Abstract]
Adoption Date
Trading Arrangement Adoption Date
Reclassifications
Reclassification, Comparability Adjustment [Policy Text Block]
Compensation Actually Paid vs. Net Income
Compensation Actually Paid vs. Net Income [Text Block]
Jersey
JERSEY
Incentive fee, quarterly hurdle rate
Investment Advisory Agreement, Incentive Fee Rate, Quarterly Hurdle Rate [Member]
Investment Advisory Agreement, Incentive Fee Rate, Quarterly Hurdle Rate
Investment percentage
Investment Owned, Percentage
Investment Owned, Percentage
Entity Current Reporting Status
Schedule of Investments
Investment Holdings, Schedule of Investments [Table Text Block]
Banc of California Credit Facility
Banc of California Credit Facility [Member]
Banc of California Credit Facility
Incentive fee percentage
Management and Service Fees, Incentive Rate
Interest Rate
Interest rate
Investment Interest Rate
Awards Close in Time to MNPI Disclosures
Awards Close in Time to MNPI Disclosures [Table]
Line of Credit
Line of Credit [Member]
Total accumulated losses
Retained Earnings (Accumulated Deficit)
GGC Aerospace Topco L.P.
GGC Aerospace Topco L.P. [Member]
GGC Aerospace Topco L.P.
Consolidated Schedule of Investments In and Advances To Affiliates
Investments in and Advances to Affiliates, Schedule of Investments [Text Block]
Financial Instrument [Axis]
Financial Instrument [Axis]
Statement of Financial Position [Abstract]
Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested
Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member]
Executive Category:
Executive Category [Axis]
Percentage of Total, Amortized Cost
Investment Owned, Percent Of Amortized Cost
Investment Owned, Percent Of Amortized Cost
O 2024 Q2 Aggregate Dividends
O 2024 Q2 Aggregate Dividends [Member]
O 2024 Q2 Aggregate Dividends
Average outstanding balance
Line of Credit Facility, Average Outstanding Amount
SS Acquisition, LLC
SS Acquisition, LLC [Member]
SS Acquisition, LLC
Market approach
Valuation, Market Approach [Member]
Interest expense
Interest Expense, Operating and Nonoperating
Current Fiscal Year End Date
Class of Stock [Axis]
Single Adviser
Single Adviser [Member]
Single Adviser
Subsequent Event Type [Domain]
Subsequent Event Type [Domain]
Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table
Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member]
Professional fees
Professional Fees
Statement [Table]
Statement [Table]
Net unrealized appreciation (depreciation) on investments
Debt And Equity Securities, Unrealized Gain (Loss) [Member]
Debt And Equity Securities, Unrealized Gain (Loss)
Adjustments to reconcile net increase (decrease) in net assets resulting from operations to net cash provided by operating activities:
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]
Cash flows from financing activities
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
Education Services
Education Services [Member]
Education Services
Equity Awards Adjustments, Excluding Value Reported in Compensation Table
Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member]
Percentage of Total, Fair Value
Investment Owned, Percent Of Fair Value
Investment Owned, Percent Of Fair Value
Maximum PIK rate allowed
Investment, Interest Rate, Paid In Kind, Maximum Allowed
Investment, Interest Rate, Paid In Kind, Maximum Allowed
Proceeds from distributions received from portfolio investments
Proceeds From Investment Distributions, Operating Activity
Proceeds From Investment Distributions, Operating Activity
Organization
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]
Base management fee, quarterly
Investment Advisory Agreement - Base Management Fee Rate, Quarterly [Member]
Investment Advisory Agreement - Base Management Fee Rate, Quarterly
Schedule of Transfers Between Levels, Change in Investments Measured at Fair Value Using Level 3 Inputs, and Unrealized Appreciation (Depreciation) for Assets Still Held
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Redemptions of Unsecured Notes
Repayments of unsecured debt
Repayments of Unsecured Debt
All Adjustments to Compensation
All Adjustments to Compensation [Member]
Fair Value, by Balance Sheet Grouping [Table]
Fair Value, by Balance Sheet Grouping [Table]
Amendment Flag
Deferred tax expense on net unrealized appreciation
Unrealized Gain (Loss), Investment and Derivative, Operating, Tax Expense (Benefit)
Termination Date
Trading Arrangement Termination Date
Net cash used in financing activities
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Insider Trading Policies and Procedures Adopted
Insider Trading Policies and Procedures Adopted [Flag]
Measure:
Measure [Axis]
Net realized loss on investments, net of taxes (in usd per share)
Investment Company, Realized Gain (Loss) on Investment, Per Share
Valuation Approach and Technique [Axis]
Valuation Approach and Technique [Axis]
Summary of Significant Accounting Policies
Basis of Presentation and Significant Accounting Policies [Text Block]
Dividends Payable [Table]
Dividends Payable [Table]
Ratio/Supplemental Data (dollar amounts in thousands)
Investment Company, Ratio And Supplemental Data [Abstract]
Investment Company, Ratio And Supplemental Data
Schedule of Investment Portfolio Measured at Fair Value on a Recurring Basis
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
Basic weighted-average common shares outstanding (in shares)
Basic weighted average shares outstanding (in shares)
Weighted Average Number of Shares Outstanding, Basic
Investment Company, Financial Highlights [Roll Forward]
Investment Company, Financial Highlights [Roll Forward]
Interest and dividends receivable
Dividend and Interest Receivable
Warrants
Warrants and Rights Outstanding
Net realized loss on investments
Debt And Equity Securities, Realized Gain (Loss) [Member]
Debt And Equity Securities, Realized Gain (Loss)
Investment, Issuer Name [Axis]
Investment, Issuer Name [Axis]
Related Party Transaction [Domain]
Related Party Transaction [Domain]
Subsequent Events [Abstract]
Pay vs Performance Disclosure, Table
Pay vs Performance [Table Text Block]
Net realized and unrealized gain (loss) on investments
Realized And Unrealized Gain (Loss) On Investments [Abstract]
Realized And Unrealized Gain (Loss) On Investments
Debt Disclosure [Abstract]
Forgone Recovery due to Violation of Home Country Law, Amount
Forgone Recovery due to Violation of Home Country Law, Amount
Number of non-portfolio investments
Investment Owned, Number of Investments Not Held In Portfolio Companies
Investment Owned, Number of Investments Not Held In Portfolio Companies
Amortization of deferred debt issuance costs
Amortization of debt issuance costs
Amortization of Debt Issuance Costs
Entity Tax Identification Number
Scenario [Domain]
Scenario [Domain]
Expenses
Costs and Expenses [Abstract]
Discounted cash flow
Valuation Technique, Discounted Cash Flow [Member]
OFSCC-FS, LLC
OFSCC-FS, LLC [Member]
OFSCC-FS, LLC
Forgone Recovery due to Expense of Enforcement, Amount
Forgone Recovery due to Expense of Enforcement, Amount
Common stock, par value (in usd per share)
Common Stock, Par or Stated Value Per Share
Common stock, issued (in shares)
Common Stock, Shares, Issued
Transfers from Level 2 to Level 3
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3, Net
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3, Net
Use of estimates
Use of Estimates, Policy [Policy Text Block]
Proceeds from principal payments on portfolio investments
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements
Trading Arrangement:
Trading Arrangement [Axis]
Total Shareholder Return Amount
Total Shareholder Return Amount
Subsequent Events
Subsequent Events [Text Block]
Insider Trading Arrangements [Line Items]
Security Exchange Name
Retail Trade
Retail Trade [Member]
Retail Trade
Equity investments
Equity Securities [Member]
Professional, Scientific, and Technical Services
Professional, Scientific, And Technical Services [Member]
Professional, Scientific, And Technical Services
Less than 1 year
Long-Term Debt, Maturity, Remainder of Fiscal Year
Total liabilities
Liabilities
Commitment fee percentage
Line of Credit Facility, Commitment Fee Percentage
Borrowing capacity (up to)
Maximum facility amount
Maximum commitment amount
Line of Credit Facility, Maximum Borrowing Capacity
Pension Adjustments Prior Service Cost
Pension Adjustments Prior Service Cost [Member]
Per share market value, end of period (in usd per share)
Investment Company, Market Value, Per Share
Stock repurchase program, shares repurchased (in shares)
Stock Repurchased During Period, Shares
Material Terms of Trading Arrangement
Material Terms of Trading Arrangement [Text Block]
Asset Class [Domain]
Asset Class [Domain]
Effective interest rate
Line of Credit Facility, Interest Rate During Period
Amounts included in earnings
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings
Statement [Line Items]
Statement [Line Items]
Base management fee, annualized
Investment Advisory Agreement - Base Management Fee Rate, Annualized [Member]
Investment Advisory Agreement - Base Management Fee Rate, Annualized
Rule 10b5-1 Arrangement Adopted
Rule 10b5-1 Arrangement Adopted [Flag]
Cash and cash equivalents
Cash and Cash Equivalent
Fair Value Measurement Inputs and Valuation Techniques [Table]
Fair Value Measurement Inputs and Valuation Techniques [Table]
Maximum availability limit percentage
Line of Credit Facility, Maximum Borrowing Availability Limit
Line of Credit Facility, Maximum Borrowing Availability Limit
Counterparty Name [Axis]
Counterparty Name [Axis]
Subsequent Event [Line Items]
Subsequent Event [Line Items]
Total investment income
Gross Investment Income, Operating
Common Stock, $0.01 par value per share
Common Stock
Common Stock [Member]
Entity Incorporation, State or Country Code
Non-NEOs
Non-NEOs [Member]
Net decrease in cash and cash equivalents
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation