SBA Debentures Issued on December 20, 2021
S B A Debentures Issued On December Twenty Two Thousand And Twenty One [Member]
SBA debentures issued on december twenty, two thousand and twenty one.
Non-control/Non-affiliate investments
Investment, Unaffiliated Issuer [Member]
Value-Added Tax
Income Tax Paid, Foreign Value-Added Tax, after Refund Received
Income Tax Paid, Foreign Value-Added Tax, after Refund Received
Net realized gain (loss)
Realized Gain (Loss)
Realized Investment Gains (Losses)
Award Timing Predetermined
Award Timing Predetermined [Flag]
Entity File Number
Capital in excess of par value
Additional Paid-in Capital [Member]
Tabular List, Table
Tabular List [Table Text Block]
Net gain (loss) (in dollars per share)
Investment Company, Gain (Loss) on Investment, Per Share
Investments
Schedule of Investments [Text Block]
Debt Investments In Wholly-Owned Subsidiaries
Debt Investments In Wholly-Owned Subsidiaries [Member]
Debt Investments In Wholly-Owned Subsidiaries
Unsecured Debt Two
Unsecured Debt Two [Member]
Unsecured Debt Two
Supplemental Dividend Q4 2025
S 2025 Q4 Dividends [Member]
S 2025 Q4 Dividends
Schedule of Related Party Transactions
Schedule of Related Party Transactions [Table Text Block]
SBA Debentures Issued on November 30, 2021
S B A Debentures Issued On November Thirty Two Thousand And Twenty One [Member]
SBA debentures issued on november thirty, two thousand and twenty one.
Total supplemental dividends amount to be paid (in dollars per share)
Total Supplemental Dividends Amount To Be Paid Per Share
Total Supplemental Dividends Amount To Be Paid Per Share
Escrow and Other Investment Receivables
Escrow Receivable [Member]
Escrow receivable.
Debt Securities
Debt Securities [Member]
Convertible Notes 2022 [Member]
Convertible Notes 2022 [Member]
Measurement Basis
Measurement Basis [Axis]
Adjustment to Compensation:
Adjustment to Compensation [Axis]
Related Party Transactions
Related Party Transactions Disclosure [Text Block]
Supplemental Dividend Q1 2023
S 2023 Q1 Dividends [Member]
S 2023 Q1 Dividends
Current price per par value (in dollars per share)
Current Price Per Par Value
Current Price Per Par Value.
Named Executive Officers, Footnote
Named Executive Officers, Footnote [Text Block]
Net Change in Unrealized Appreciation (Depreciation)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease)
Proceeds from the sale of equity and warrant investments
Proceeds From Disposition Of Investment, Equity And Warrants Investments, Operating Activity
Proceeds From Disposition Of Investment, Equity And Warrants Investments, Operating Activity
Schedule Of Stock By Class [Table]
Stock, Class of Stock [Table]
Receivable from related party
Receivable From Related Party
Receivable From Related Party
We will be subject to risks associated with “last out” positions in unitranche loans [Member]
We will be subject to risks associated with “last out” positions in unitranche loans
Adjustment to Compensation, Amount
Adjustment to Compensation Amount
Percentage of Total Portfolio
Concentration risk, percentage
Concentration Risk, Percentage
Other assets
Increase (Decrease) in Other Operating Assets
We may be exposed to higher risks with respect to our investments that include PIK interest or exit fees [Member]
We may be exposed to higher risks with respect to our investments that include PIK interest or exit fees [Member]
Investments subject to investment valuation policy, percentage
Percentage Of Total Assets Subjected To Valuation Of Investment Policy
Percentage of total assets subjected to valuation of investment policy.
Stock-based compensation and amortization of restricted stock grants
Share-Based Payment Arrangement, Noncash Expense
Our investments are concentrated in certain technology-related industries, which subjects us to the risk of significant loss if any one or more of such industries experiences a downturn [Member]
Our investments are concentrated in certain technology-related industries, which subjects us to the risk of significant loss if any one or more of such industries experiences a downturn [Member]
US $ Notional Value at Settlement Date
Derivative Asset, Notional Amount
Employee Stock Option Member
Unvested common stock options
Share-Based Payment Arrangement, Option [Member]
Contractual obligations, after 5 years
Contractual Obligation, to be Paid, after Year Five
Cash, Cash Equivalents, Foreign Cash, and Restricted Cash
Cash and Cash Equivalents, Policy [Policy Text Block]
2031 Asset-Backed Notes(2)
Two Thousand Thirty One Asset Backed Notes [Member]
Two thousand thirty one asset-backed notes.
Antidilutive Securities
Antidilutive Securities [Axis]
Liability award vested
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested
Total net assets
Beginning balance
Ending balance
Net assets at end of period
Equity, Attributable to Parent
Insider Trading Policies and Procedures [Line Items]
Common stock authorized (in shares)
Common Stock, Shares Authorized
Public offering, net of offering expenses (in shares)
Number of Shares Issued (in shares)
Stock Issued During Period, Shares, New Issues
Net realized gain (loss):
Net Realized Gain Loss [Abstract]
Net realized gain (loss)
Cash and cash equivalents, fair value disclosure
Cash and Cash Equivalents, Fair Value Disclosure
Portion at Fair Value Measurement
Portion at Fair Value Measurement [Member]
Maximum
Maximum [Member]
Income Tax Contingency [Line Items]
Income Tax Contingency [Line Items]
Investment fundings assigned to, directly originated or funded by the Adviser Funds
Adviser Subsidiary Investment Funding
Adviser Subsidiary Investment Funding
Non-PEO NEO Average Total Compensation Amount
Non-PEO NEO Average Total Compensation Amount
Lease and license obligations 1-3 years
Lessee, Operating Lease, Liability, to be Paid, Year Two and Three
Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following Third fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Schedule Of Share Based Compensation Arrangements By Share Based Payment Award [Table]
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Summary of Unvested Restricted Stock Equity
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]
Investment, Identifier [Axis]
Investment, Identifier [Axis]
Adjustment to Non-PEO NEO Compensation Footnote
Adjustment to Non-PEO NEO Compensation Footnote [Text Block]
Investments, at fair value:
Investments at Fair Value
Fair value of investments (in millions)
Fair value beginning balance
Fair value ending balance
Investment Owned, Fair Value
Investment Holding [Table]
Investment Holding [Table]
Investment Holding
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Control investments
Investment, Affiliated Issuer, Controlled [Member]
Debt instrument, collateral
Debt Instrument, Collateral
Non-Rule 10b5-1 Arrangement Terminated
Non-Rule 10b5-1 Arrangement Terminated [Flag]
Entity Shell Company
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Roll Forward]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Roll Forward]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Small Business Administration Debentures (HC IV) [Member]
Small Business Administration Debentures (HC IV) [Member]
State
Income Tax Paid, State and Local, after Refund Received [Abstract]
Weighted average debt outstanding
Long-Term Debt, Average Amount Outstanding
Debt Instrument [Table]
Schedule of Long-Term Debt Instruments [Table]
Schedules of Components of Interest Expense, Related Fees, Losses on Debt Extinguishment and Cash Paid for Interest Expense for Debt
Schedules Of Interest Expense, Related Debt Fees, And Losses On Debt Extinguishment [Table Text Block]
Schedules Of Interest Expense, Related Debt Fees, And Losses On Debt Extinguishment [Table Text Block]
Issuance of debt
Proceeds from Issuance of Debt
Service vesting awards granted
Share-Based Compensation Aggregate Intrinsic Value, Granted
Share-Based Compensation Aggregate Intrinsic Value, Granted
Percentage of equity investments held in portfolio companies
Percent Greater Five Percent Fair Value Equity
Percent greater five percent fair value equity.
Statement of Stockholders' Equity [Abstract]
Statement of Stockholders' Equity [Abstract]
There is no active public trading market for the Notes ; as a result, a holder may not be able to resell any of such notes. [Member]
There is no active public trading market for the Notes ; as a result, a holder may not be able to resell any of such notes.
Award Timing MNPI Considered
Award Timing MNPI Considered [Flag]
Total interest expense and fees
Interest Expense, Operating
6-month SOFR
Six Month Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Six Month Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Maturing Within One Year
Debt Maturing Within One Year [Member]
Debt Maturing Within One Year [Member]
Total Investments Benchmark
Total Investments Benchmark [Member]
Total Investments Benchmark
Document Fiscal Period Focus
Tax reclassification of stockholders' equity in accordance with generally accepted accounting principles
Investment Company, Tax Reclassification, Increase (Decrease)
Supplemental dividends amount to be paid each quarter (in dollars per share)
Supplemental Dividends Amount To Be Paid Each Quarter Per Share
Supplemental Dividends Amount To Be Paid Each Quarter Per Share
Additional paid-in capital
Capital In Excess Of Par Value [Member]
Capital In Excess Of Par Value [Member]
Total Exit Fees Receivable
Exit Fees Receivables
Exit fees receivable.
Award Timing Method
Award Timing Method [Text Block]
Defense Technologies
Defense Technologies [Member]
Defense Technologies
Revenue Multiple
Measurement Input, Revenue Multiple [Member]
Award Type
Award Type [Axis]
Escrow Receivables/Escrow and Other Investment Receivables
Escrow And Other Investment Receivable [Member]
Escrow And Other Investment Receivable
Stock Based Compensation
Share-Based Payment Arrangement [Policy Text Block]
Investment, Name [Domain]
Investment, Name [Domain]
Derivative, settlement date
Derivative, Contract End Date
Trading Symbol
Member Units
Member Units [Member]
Issuance of common stock under equity-based award plans (in shares)
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture
S 2026 Q1 Dividends
S 2026 Q1 Dividends [Member]
S 2026 Q1 Dividends
Entity Address, City or Town
If we issue preferred stock or convertible debt securities, the NAV and market value of our common stock may become more volatile. [Member]
If we issue preferred stock or convertible debt securities, the NAV and market value of our common stock may become more volatile.
Non-PEO NEO Average Compensation Actually Paid Amount
Non-PEO NEO Average Compensation Actually Paid Amount
Restricted stock units
Restricted Stock Units (RSUs) [Member]
Statement of Income Location, Balance [Domain]
Statement of Income Location, Balance [Domain]
Senior Secured Debt
Senior Secured Debt [Member]
Senior secured debt.
Compensation Actually Paid vs. Other Measure
Compensation Actually Paid vs. Other Measure [Text Block]
Spillover amount per share
SpilloverAmountPerShare [Member]
SpilloverAmountPerShare [Member]
Entity Emerging Growth Company
Warrants
Warrant investments
Warrant Investment [Member]
Warrant Investment.
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]
Debt issuance cost, net of accumulated amortization
Debt Issuance Costs, Net
Purchase
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases
January 2027 Notes [Member]
January 2027 Notes [Member]
SMBC LC Facility
SMBC LC Facility [Member]
SMBC LC Facility [Member]
Ordinary Income
Ordinary Income [Member]
Ordinary Income
Shares of common stock outstanding ($0.001 par value and 300,000 and 200,000 authorized respectively) (in shares)
Beginning balance (in shares)
Ending balance (in shares)
Common stock outstanding (in shares)
Common Stock, Shares, Outstanding
Our Board may change our operating policies and strategies without prior notice or stockholder approval, the effects of which may be adverse [Member]
Our Board may change our operating policies and strategies without prior notice or stockholder approval, the effects of which may be adverse [Member]
Other assets
Other Assets, Fair Value Disclosure
Investment Funds And Vehicles
Investment Funds And Vehicles [Member]
Investment funds & vehicles.
Base Dividend Q2 2025
O 2025 Q2 Dividends [Member]
O 2025 Q2 Dividends
SBA Debentures Issued on December 23, 2021
S B A Debentures Issued On December Twenty Three Two Thousand And Twenty One [Member]
SBA debentures issued on december twenty three, two thousand and twenty one.
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]
Failure to maintain our status as a BDC would reduce our operating flexibility [Member]
Failure to maintain our status as a BDC would reduce our operating flexibility [Member]
Accounts payable and accrued liabilities
Accounts Payable and Accrued Liabilities
Base Dividend Q3 2023
O 2023 Q3 Dividends [Member]
O 2023 Q3 Dividends
Our interests in any subsidiary that enters into a credit facility would be subordinated, and we may not receive cash on our equity interests from any such subsidiary. [Member]
Our interests in any subsidiary that enters into a credit facility would be subordinated, and we may not receive cash on our equity interests from any such subsidiary.
Total employee compensation
Employee Compensation
Total amount expense for salary, wage, profit sharing; incentive and share-based compensation; and other employee benefit.
Shares
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Entity Address, Postal Zip Code
Restatement Determination Date
Restatement Determination Date
Interest rate plus applicable margin adjustment
Debt Instrument, Basis Spread on Variable Rate
Equity distribution agreement, shares sold (in shares)
Equity Distributions Agreement, Shares Sold
Equity Distributions Agreement, Shares Sold
Other assets
Other Assets
Beginning Balance
Ending Balance
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
Document Information [Line Items]
Purchases of investments
Payment for Purchase, Investment, Operating Activity
Pension Adjustments Service Cost
Pension Adjustments Service Cost [Member]
Because we have substantial borrowings, the potential for gain or loss on amounts invested in us is magnified and may increase the risk of investing in us [Member]
Because we have substantial borrowings, the potential for gain or loss on amounts invested in us is magnified and may increase the risk of investing in us [Member]
Fair Value Hierarchy and NAV
Fair Value Hierarchy and NAV [Axis]
Aggregate gross unrealized depreciation
Investment, Tax Basis, Unrealized Loss
Distributions
Stockholders' Equity, Policy [Policy Text Block]
Compensation Actually Paid vs. Company Selected Measure
Compensation Actually Paid vs. Company Selected Measure [Text Block]
Dividend payable per share (in dollars per share)
Dividends Payable, Amount Per Share
Income Tax
Income Tax Paid, Federal, after Refund Received
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 paid in cash
Interest rate and floor, fixed
Investment, Interest Rate, Paid in Cash
Regulations governing our operation as a BDC will affect our ability to, and the way in which we, raise additional capital [Member]
Regulations governing our operation as a BDC will affect our ability to, and the way in which we, raise additional capital [Member]
3-month LIBOR
Three Month L I B O R [Member]
Three Month LIBOR.
Accumulated capital gains
Investment Company, Distributable Earnings (Loss), Accumulated Long-Term Capital Gain (Loss)
Accretion of loan exit fees
Accretion Of Loan Exit Fees
Accretion Of Loan Exit Fees
Unvested performance awards (in shares)
Unvested shares beginning of period (in shares)
Unvested shares end of period (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies Disclosure [Abstract]
SMBC Facility
S M B C Facility [Member]
SMBC facility.
Net cash provided by (used in) operating activities
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
Sales
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales
Subsequent event
Subsequent Event [Member]
System Software
System Software [Member]
System Software
Adviser Subsidiary
Adviser Subsidiary [Member]
Adviser subsidiary.
Equity Method Investment, Nonconsolidated Investee or Group of Investees
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member]
Commitments And Contingencies [Table]
Commitments And Contingencies [Table]
Commitments and contingencies.
Equity Valuation Assumption Difference, Footnote
Equity Valuation Assumption Difference, Footnote [Text Block]
We generally will not control our portfolio companies, which may result in the portfolio company making decisions which could adversely impact the value of our investments in the portfolio company's [Member]
We generally will not control our portfolio companies, which may result in the portfolio company making decisions which could adversely impact the value of our investments in the portfolio company’s securities.
PEO Total Compensation Amount
PEO Total Compensation Amount
Foreign
Income Tax Paid, Foreign, after Refund Received [Abstract]
Investment Type Concentration Risk
Investment Type Concentration Risk [Member]
Investment Type Concentration Risk Member
Long-Term Debt, Type
Long-Term Debt, Type [Axis]
Money Market Fund
Money Market Funds [Member]
Interest rate paid in kind
Investment, Interest Rate, Paid in Kind
Foreign currency forward contract
Derivative Liability, Subject to Master Netting Arrangement, before Offset
Schedule of Investments [Abstract]
Schedule of Investments [Abstract]
Majority Owned Control Investments
Majority Owned Control Investments [Member]
Majority Owned Control Investments [Member]
Equity Components
Equity Components [Axis]
July 2024 Notes
July Two Thousand Twenty Four Notes [Member]
July two thousand twenty four notes.
Investment Company, Financial Highlights [Abstract]
Investment Company, Financial Highlights [Abstract]
Non-Rule 10b5-1 Arrangement Adopted
Non-Rule 10b5-1 Arrangement Adopted [Flag]
Taxable net realized gains (losses) (in dollars per share)
Taxable Net Realized Gain (Loss) Per Share
Taxable net realized gain (loss) per share.
Senior Securities [Member]
Senior Securities [Member]
We, through the Adviser Subsidiary, derive revenues from managing third-party funds pursuant to management agreements that may be terminated, which could negatively impact our operating results. [Member]
We, through the Adviser Subsidiary, derive revenues from managing third-party funds pursuant to management agreements that may be terminated, which could negatively impact our operating results.
Schedule of Contractual Obligations
Contractual Obligation, Fiscal Year Maturity [Table Text Block]
Entity Address, State or Province
Total interest and dividend income
Interest & Dividend Income
Total PIK interest income
Interest and Dividend Income, Operating
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]
Antidilutive Security, Excluded EPS Calculation [Table]
Individual:
Individual [Axis]
Document Annual Report
Lease and license obligations 3-5 years
Lessee, Operating Lease, Liability, to be Paid, Year Four and Five
Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following Third fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
Contingent earn out payment receivable (as a percent)
Contingent Earn Out Payment, Amount Receivable, Percent
Contingent Earn Out Payment, Amount Receivable, Percent
Other Liability Classified Awards
Other Liability Classified Awards [Member]
Other Liability Classified Awards
SBIC V
Hercules SBIC V, L.P. [Member]
Hercules SBIC V, L.P.
Forgone Recovery, Explanation of Impracticability
Forgone Recovery, Explanation of Impracticability [Text Block]
Supplemental Dividend Q2 2025
S 2025 Q2 Dividends [Member]
S 2025 Q2 Dividends
Entity Interactive Data Current
Asset-Backed Notes 2028 [Member]
Asset-Backed Notes 2028 [Member]
Notes 2022 [Member]
Notes 2022 [Member]
Prepayments of our debt investments by our portfolio companies could adversely impact our results of operations and reduce our return on equity [Member]
Prepayments of our debt investments by our portfolio companies could adversely impact our results of operations and reduce our return on equity [Member]
S 2025 A Dividends
S 2026 A Dividends [Member]
S 2026 A Dividends
We and our portfolio companies may maintain cash balances at financial institutions that exceed federally insured limits and may otherwise be materially affected by adverse developments [Member]
We and our portfolio companies may maintain cash balances at financial institutions that exceed federally insured limits and may otherwise be materially affected by adverse developments affecting the financial services industry, such as actual events or concerns involving liquidity, defaults or non-performance by financial institutions or transactional counterparties.
Investment cost
Investment Owned, Cost
Net realized gain (loss) - Non-control / Non-affiliate investments
Gain (Loss) on Sale of Derivatives
Certain of our assets are subject to security interests under our senior securities and if we default on our obligations under our senior securities, we may suffer adverse consequences. [Member]
Certain of our assets are subject to security interests under our senior securities and if we default on our obligations under our senior securities, we may suffer adverse consequences, including foreclosure on those assets.
Asset-Backed Notes 2027 [Member]
Asset-Backed Notes 2027 [Member]
Debt 3-5 years
Long-Term Debt, Maturity, Year Four and Five
Net asset value per share (in dollars per share)
Net asset value at beginning of period (in dollars per share)
Net asset value at ending of period (in dollars per share)
Entity Central Index Key
PEO Name
PEO Name
Debt instrument, convertible, conversion price
Debt Instrument, Convertible, Conversion Price
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]
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
Beginning Balance
Ending Balance
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value
Share-Based Payment Arrangement, Tranche One
Share-Based Payment Arrangement, Tranche One [Member]
Base Dividend Q2 2024
O 2024 Q2 Dividends [Member]
O 2024 Q2 Dividends
Total Debt Investments Benchmark
Debt Investments Benchmark [Member]
Debt Investments Benchmark
Exercise Price
Award Exercise Price
Entity Filer Category
Number of investments held
Investments Held By Number Of Companies
Investments held by number of companies.
Class of Stock
Class of Stock [Domain]
Unrecognized compensation costs
Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount
Common - Gross Proceeds
Common - Gross Proceeds [Member]
Common - Gross Proceeds
Other investment income
Other Interest Income [Member]
Other Interest Income [Member]
Subsequent Event Type [Axis]
Subsequent Event Type [Axis]
Asset-Backed Notes 2031 [Member]
Asset-Backed Notes 2031 [Member]
Statement of Financial Position Location, Balance [Axis]
Statement of Financial Position Location, Balance [Axis]
Vesting [Domain]
Vesting [Domain]
We are a non-diversified investment company within the meaning of the 1940 Act, and therefore we are not limited by the 1940 Act with respect to the proportion of our assets that may be invested [Member]
We are a non-diversified investment company within the meaning of the 1940 Act, and therefore we are not limited by the 1940 Act with respect to the proportion of our assets that may be invested in securities of a single issuer. In addition, our financial results could be negatively affected if a significant portfolio investment fails to perform as expected.
Schedule of Investments in and Advances to Affiliates, Schedule of Investments
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]
Entity Address, Address Line One
Entity Address, Address Line Two
SBA Debentures Issued on November 1, 2021
S B A Debentures Issued On November One Two Thousand And Twenty One [Member]
SBA debentures issued on november one, two thousand and twenty one.
Total net operating expenses
Operating Expenses, Net
Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. Net of allocations to the Adviser Subsidiary.
Aggregate gross unrealized appreciation
Investment, Tax Basis, Unrealized Gain
Investments
Investments [Domain]
Industry Sector [Axis]
Industry Sector [Axis]
Investment income:
Net Investment Income [Abstract]
Fair Value as of Grant Date
Award Grant Date Fair Value
Liquidation
Valuation Technique Liquidation [Member]
Valuation technique, liquidation.
Earnings (loss), net of distributions attributable to common shares
Undistributed Earnings, Basic
3-month SOFR
Three Month Secured Overnight Financing Rate Sofr Overnight Index Swap Rate [Member]
Three month secured overnight financing rate sofr overnight index swap rate member.
Stock-based compensation
Employee Benefits and Share-Based Compensation
Compensation and benefits
Labor and Related Expense
Preferred Series BB
Preferred Series B B [Member]
Preferred Series BB.
Common shares issuable (in shares)
Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements
Consumer & Business Services
Consumer And Business Services [Member]
Consumer & Business Services.
Granted (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period
Royalty Contract
Royalty Contract [Member]
Royalty Contract Member
Forfeited (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Related Party Transaction [Line Items]
Related Party Transaction [Line Items]
Add: Income impact of assumed conversion of 2028 Convertible Notes
Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities
S B A Debentures Issued on May 9, 2025
S B A Debentures Issued On May Nine Two Thousand And Twenty Five [Member]
S B A Debentures Issued On May Nine Two Thousand And Twenty Five
Fee income - expired commitments
Accelerated Fee Income - Expired Commitments [Member]
Accelerated Fee Income - Expired Commitments [Member]
Convertible Notes 2028 [Member]
Convertible Notes 2028
Approximate Fair Value
Long-Term Debt, Fair Value
Schedule of Quantitative Information of Fair Value Measurements
Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]
Changed Peer Group, Footnote
Changed Peer Group, Footnote [Text Block]
Debt 1 - 3 years
Long-Term Debt, Maturity, Year Two and Three
2027
Lessee, Operating Lease, Liability, to be Paid, Year Two
Accelerated fee income - early repayments
Accelerated Fee Income - Early Repayments [Member]
Accelerated Fee Income - Early Repayments [Member]
Adjustment To PEO Compensation, Footnote
Adjustment To PEO Compensation, Footnote [Text Block]
Schedule of Investments in and Advances to Affiliates
Investments in and Advances to Affiliates [Table Text Block]
Germany
GERMANY
Investment Type
Investment Type [Axis]
2026
Unfunded Commitments Due In One Year
Unfunded commitments due within one year.
Our executive officers and employees, through the Adviser Subsidiary, are expected to manage the Adviser Funds [Member]
Our executive officers and employees, through the Adviser Subsidiary, are expected to manage the Adviser Funds, which includes funds from External Parties, that operate in the same or a related line of business as we do, which may result in significant conflicts of interest [Member]
Title
Trading Arrangement, Individual Title
Peer Group Total Shareholder Return Amount
Peer Group Total Shareholder Return Amount
Schedule of Cash Paid for Income Taxes, Net of Refunds
Schedule Of Cash Paid For Income Taxes, Net Of Refunds [Table Text Block]
Schedule Of Cash Paid For Income Taxes, Net Of Refunds
Certain of our assets are subject to security interests under our senior securities and if we default on our obligations under our senior securities, we may suffer adverse consequences [Member]
Certain of our assets are subject to security interests under our senior securities and if we default on our obligations under our senior securities, we may suffer adverse consequences
MUFG Bank Facility
M U F G Bank Facility [Member]
MUFG bank facility.
Denmark
DENMARK
Non-PEO NEO
Non-PEO NEO [Member]
We are subject to risks related to corporate social responsibility [Member]
We are subject to risks related to corporate social responsibility [Member]
Total fee income
Fee Income
Total fee income
Fee Income
Equity distribution agreement remaining available shares (in shares)
Equity Distribution Agreement Remaining Available Shares
Equity Distribution Agreement Remaining Available Shares
Derivative liability notional amount
Derivative Liability, Notional Amount
Award Type
Award Type [Domain]
Investments in and Advances to Affiliates [Abstract]
Investments in and Advances to Affiliates [Abstract]
Lease and license obligations less than 1 year
2026
Lessee, Operating Lease, Liability, to be Paid, Year One
Base Dividend Q3 2024
O 2024 Q3 Dividends [Member]
O 2024 Q3 Dividends
Equity Awards Adjustments
Equity Awards Adjustments [Member]
Pension Benefits Adjustments, Footnote
Pension Benefits Adjustments, Footnote [Text Block]
Supplemental Dividend Q2 2024
S 2024 Q2 Dividends [Member]
S 2024 Q2 Dividends
S B A Debentures Issued on June 12, 2025
S B A Debentures Issued On June Twelve Two Thousand And Twenty Five [Member]
S B A Debentures Issued On June Twelve Two Thousand And Twenty Five
Canada
CANADA
Compensation Amount
Outstanding Recovery Compensation Amount
Switzerland
SWITZERLAND
Debt Instrument, Name
Debt Instrument, Name [Domain]
Recovery of Erroneously Awarded Compensation Disclosure [Line Items]
Fair Value
Estimate of Fair Value Measurement [Member]
Healthcare Services, Other
Healthcare Services Other [Member]
Healthcare services, other.
Unvested restricted stock awards
Unvested Restricted Stock Awards [Member]
Unvested restricted stock awards.
Supplemental Dividend Q3 2024
S 2024 Q3 Dividends [Member]
S 2024 Q3 Dividends
Capitalized PIK Interest
Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Paid-In Kind
Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Asset, Paid-In Kind
Schedule Of Investments [Line Items]
Schedule of Investments [Line Items]
MNPI Disclosure Timed for Compensation Value
MNPI Disclosure Timed for Compensation Value [Flag]
Asset-Backed Notes 2021 [Member]
Asset-Backed Notes 2021 [Member]
Secured Credit Facility with Sumitomo Mitsui Banking Corporation (S M B C) [Member]
Secured Credit Facility with Sumitomo Mitsui Banking Corporation (SMBC) [Member]
Denominator
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Documents Incorporated By Reference
Debt Less than 1 year
Long-Term Debt, Maturity, Year One
Financial Instruments
Financial Instruments [Domain]
Purchases
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases
Aggregate Pension Adjustments Service Cost
Aggregate Pension Adjustments Service Cost [Member]
Substantially all of our portfolio investments are recorded at fair value as determined in accordance with our Valuation Guidelines and, as a result, there may be uncertainty as to the value of our portfolio investments [Member]
Substantially all of our portfolio investments are recorded at fair value as determined in accordance with our Valuation Guidelines and, as a result, there may be uncertainty as to the value of our portfolio investments [Member]
Ratios and supplemental data:
Investment Company, Financial Ratios [Abstract]
If We Default On Our Obligations Imposed Upon Us By Our Indebtedness, We May Not Be Able To Make Payments On Our Outstanding Notes And Credit Facilities [Member]
If we default on our obligations imposed upon us by our indebtedness, we may not be able to make payments on our outstanding notes and credit facilities.
Minimum
Minimum [Member]
Investment Funds & Vehicles measured at Net Asset Value
Private Equity Funds, Non-US [Member]
A lack of IPO or merger and acquisition opportunities may cause companies to stay in our portfolio longer, leading to lower returns, unrealized depreciation, or realized losses [Member]
A lack of IPO or merger and acquisition opportunities may cause companies to stay in our portfolio longer, leading to lower returns, unrealized depreciation, or realized losses [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Company Selected Measure Name
Company Selected Measure Name
Space Technologies
Space Technologies [Member]
Space Technologies
Schedule of Debt Issuance Costs, Net of Accumulated Amortization
Schedule Of Debt Issuance Costs Net Of Accumulated Amortization Table [Table Text Block]
Schedule of debt issuance costs net of accumulated amortization.
Fair Value Measurement
Fair Value Measurement [Domain]
Commitments And Contingencies [Line Items]
Commitments And Contingencies [Line Items]
Commitments and contingencies.
Debt
Debt Disclosure [Text Block]
Aggregate Available
Trading Arrangement, Securities Aggregate Available Amount
Portfolio turnover rate
Investment Company, Portfolio Turnover
Cash paid for amounts included in the measurement of lease liabilities
Operating Lease, Payments
Stock Appreciation Rights (SARs)
Stock Appreciation Rights (SARs) [Member]
Cash and cash equivalents, held in foreign currency, cost basis
Cash and Cash Equivalent, Held in Foreign Currency, Acquisition Cost
Numerator for diluted change in net assets per common share
Net Income (Loss) Available to Common Stockholders, Diluted
Gibraltar Acquisition LLC
Gibraltar Acquisition LLC [Member]
Gibraltar Acquisition LLC
Collateral Held [Domain]
Collateral Held [Domain]
Premium/(Discount)
Measurement Input Premium (Discount), Netting [Member]
Measurement input, premium/(discount)
Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Share-Based Payment Arrangement, Tranche Two
Share-Based Payment Arrangement, Tranche Two [Member]
Deterioration in the economy and financial markets could impair our portfolio companies financial positions and operating results and affect the industries in which we invest, which could, in turn, harm our operating results [Member]
Deterioration in the economy and financial markets could impair our portfolio companies’ financial positions and operating results and affect the industries in which we invest, which could, in turn, harm our operating results.
Diluted (in shares)
Weighted average common shares outstanding assuming dilution (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Stockholders May Have Current Tax Liability On Dividends They Elect To Reinvest In Our Common Stock But Would Not Receive Cash From Such Dividends To Pay Such Tax Liability [Member]
Stockholders may have current tax liability on dividends they elect to reinvest in our common stock but would not receive cash from such dividends to pay such tax liability.
Segments
Segment Reporting, Policy [Policy Text Block]
Financial Support to Nonconsolidated Legal Entity [Axis]
Financial Support to Nonconsolidated Legal Entity [Axis]
Non-GAAP Measure Description
Non-GAAP Measure Description [Text Block]
There may be circumstances where our debt investments could be subordinated to claims of other creditors or we could be subject to lender liability claims [Member]
There may be circumstances where our debt investments could be subordinated to claims of other creditors or we could be subject to lender liability claims [Member]
2025
Unfunded Commitments Due In Prior Year
Unfunded Commitments Due In Prior Year
Net unrealized appreciation (depreciation)
Unrealized Gain Loss [Member]
Unrealized gain loss.
Entity Small Business
Total Investments including cash and cash equivalents and derivative instruments
Including Cash And Cash Equivalents And Derivative Instruments [Member]
Including Cash And Cash Equivalents And Derivative Instruments
Offering expenses
Payments of Stock Issuance Costs
Investment Funds & Vehicles
Investment Funds & Vehicles [Member]
Investment Funds & Vehicles [Member]
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Abstract]
Our investments in foreign securities or investments denominated in foreign currencies may involve significant risks in addition to the risks inherent in U.S. and U.S.-denominated investments [Member]
Our investments in foreign securities or investments denominated in foreign currencies may involve significant risks in addition to the risks inherent in U.S. and U.S.-denominated investments [Member]
Common stock authorized (in shares)
Deferred Compensation Arrangement with Individual, Shares Authorized for Issuance
Valuation Technique Expected Proceeds
Valuation Technique Expected Proceeds [Member]
Valuation Technique Expected Proceeds
Document Transition Report
Summary of Investment Holdings
Summary of Investment Holdings [Line Items]
Restricted stock and option expense related to director compensation
APIC, Share-Based Payment Arrangement, Other, Increase for Cost Recognition
The Unsecured Notes are structurally subordinated to the indebtedness and other liabilities of our subsidiaries. [Member]
The Unsecured Notes are structurally subordinated to the indebtedness and other liabilities of our subsidiaries.
Taxable net realized gains (losses)
Taxable Net Realized Gain (Loss)
Taxable net realized gain loss.
Schedule of Fair Value Hierarchy of Outstanding Borrowings
Fair Value Disclosure of Asset and Liability Not Measured at Fair Value [Table Text Block]
Loan fees
Debt Related Commitment Fees and Debt Issuance Costs
Inflation could adversely affect the business, results of operations and financial condition of our portfolio companies [Member]
Inflation could adversely affect the business, results of operations and financial condition of our portfolio companies
Underlying Securities
Award Underlying Securities Amount
Supplemental Dividend Q1 2024
S 2024 Q1 Dividends [Member]
S 2024 Q1 Dividends
Acquisition date
Investments Owned Acquisition Date
Investments owned acquisition date.
Equity Component
Equity Component [Domain]
Biotechnology Tools
Biotechnology Tools [Member]
Biotechnology Tools.
Document Period End Date
Tangible assets (in millions)
Tangible Assets
Tangible assets held.
June 2025 Notes [Member]
June 2025 Notes [Member]
Income Taxes
Income Tax Disclosure [Text Block]
Total
Contractual Obligation
Unused facility and other fees (loan fees)
Loan Portfolio Expense
“Last-out” with security interest in all of the assets
Last-out with Security Interest in all of the Assets [Member]
Last-out with Security Interest in all of the Assets [Member]
Collateral Type Concentration Risk
Collateral Type Concentration Risk [Member]
Collateral Type Concentration Risk Member
United Kingdom
UNITED KINGDOM
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]
Convertible Note Analysis
Valuation, Income Approach [Member]
Interest rate cap
Investment Interest Rate Cap
Investment Interest Rate Cap
Amortization of original issue discounts
Amortization of Debt Discount (Premium)
Document Type
Significant Unobservable Inputs (Level 3)
Unobservable Inputs Level 3
Fair Value, Inputs, Level 3 [Member]
Earnings Per Share
Earnings Per Share [Text Block]
Name
Outstanding Recovery, Individual Name
Loss Contingencies [Table]
Loss Contingencies [Table]
Capital in excess of par value
Additional Paid in Capital
Service-Vesting Awards
Service Vesting Awards [Member]
Service-vesting awards.
Net unrealized appreciation (depreciation) over cost for U.S. federal income tax purposes
Net unrealized appreciation (depreciation) over cost for U.S. federal income tax purposes
Investment, Tax Basis, Unrealized Gain (Loss)
Total net realized gain (loss) and net change in unrealized appreciation (depreciation)
Gain (Loss), Investment and Derivative, Operating, and Foreign Currency Transaction, before Tax
Statistical Measurement
Statistical Measurement [Axis]
Black Crow AI, Inc.
Black Crow AI Inc [Member]
Black Crow AI, Inc.
We May Be The Target Of Litigation [Member]
We may be the target of litigation.
Line of credit facility, unused capacity, commitment fee percentage
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Aggregate Erroneous Compensation Amount
Aggregate Erroneous Compensation Amount
Base Dividend Q4 2024
O 2024 Q4 Dividends [Member]
O 2024 Q4 Dividends
Peer Group Issuers, Footnote
Peer Group Issuers, Footnote [Text Block]
Numerator for basic change in net assets per common share
Net Income (Loss) Available to Common Stockholders, Basic
Changes to U.S. tariff and import/export regulations may have a negative effect on our portfolio companies and, in turn, harm us. [Member]
Changes to U.S. tariff and import/export regulations may have a negative effect on our portfolio companies and, in turn, harm us.
Communications & Networking
Communications And Networking [Member]
Communications and Networking.
Other liabilities
Other Liabilities, Fair Value Disclosure
Schedule of Net Realized and Unrealized Gains and Losses
Derivative Instruments, Gain (Loss) [Table Text Block]
Total gross operating expenses
Operating Expenses
Shares outstanding at end of period (in shares)
Shares, Outstanding
Quoted Prices in Active Markets for Identical Assets (Level 1)
Identical Assets Level 1
Fair Value, Inputs, Level 1 [Member]
Common Stock Par Value $0.001 Per Share
Common Stock Par Value Zero Point Zero Zero One Per Share [Member]
Common stock par value zero point zero zero one per share.
Accrued liabilities
Increase (Decrease) in Accrued Liabilities
Schedule Of Related Party Transactions By Related Party [Table]
Related Party Transaction [Table]
Diluted (in dollars per share)
Earnings Per Share, Diluted
Net change in unrealized appreciation (depreciation):
Net Change In Unrealized Appreciation Depreciation [Abstract]
Net change in unrealized appreciation (depreciation).
We may in the future determine to issue preferred stock, which could adversely affect the market value of our common stock [Member]
We may in the future determine to issue preferred stock, which could adversely affect the market value of our common stock [Member]
Supplemental disclosures of cash flow information and non-cash investing and financing activities:
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Debt instrument, payment terms, description
Debt Instrument, Payment Terms
SBA Debentures Issued on December 12, 2024
S B A Debentures Issued On December Twelve Two Thousand And Twenty Four [Member]
S B A Debentures Issued On December Twelve Two Thousand And Twenty Four
Sale of Stock, Number of Shares Issued in Transaction
Sale of Stock, Number of Shares Issued in Transaction
Dividends [Axis]
Dividends [Axis]
Distributions reinvested in common stock
Stock Issued During Period, Value, Dividend Reinvestment Plan
Income Tax
Income Tax Paid, State and Local, after Refund Received
S B A Debentures Issued on June 25, 2025
S B A Debentures Issued On June Twenty Five Two Thousand And Twenty Five [Member]
S B A Debentures Issued On June Twenty Five Two Thousand And Twenty Five
Investments, Debt and Equity Securities [Abstract]
Auditor Location
SBA Debentures Issued on November 8, 2024
S B A Debentures Issued On November Eight Two Thousand And Twenty Four [Member]
S B A Debentures Issued On November Eight Two Thousand And Twenty Four
Number of available credit facilities
Number Of Available Credit Facilities
Number of available credit facilities..
Shares retired on vesting of equity-based awards
Stock Repurchased and Retired During Period, Value
Comprehensive Income
Comprehensive Income, Policy [Policy Text Block]
March 2026 A Notes [Member]
March 2026 A Notes [Member]
Less: imputed interest & other items
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Investment Company, Financial Highlights [Table]
Investment Company, Financial Highlights [Table]
Income tax, including excise tax, paid
Cash paid for income taxes (net of refunds)
Income tax, including excise tax, paid
Income Taxes Paid, Net
Any unrealized depreciation we experience on investment portfolio may be an indication of future realized losses, which could reduce our income available for distribution and could impair our ability to service our borrowings [Member]
Any unrealized depreciation we experience on our investment portfolio may be an indication of future realized losses, which could reduce our income available for distribution and could impair our ability to service our borrowings [Member]
Medical Devices & Equipment
Medical Devices And Equipment [Member]
Medical devices & equipment.
We Will Be Subject To U.S. Federal Income Tax If We Are Unable To Qualify For Taxation As A RIC Under Subchapter M Part I Of The Code [Member]
We will be subject to U.S. federal income tax if we are unable to qualify for taxation as a RIC under Subchapter M Part I of the Code.
March 2026 A Notes
March Two Thousand Twenty Six A Notes [Member]
March two thousand twenty six a notes.
Consumer & Business Products
Consumer & Business Products [Member]
Consumer & Business Products
Certain of our wholly owned subsidiaries are licensed by the SBA, and therefore subject to SBIC regulations. [Member]
Certain of our wholly owned subsidiaries are licensed by the SBA, and therefore subject to SBIC regulations.
Principal Outstanding
Outstanding principal balances
Long-Term Debt, Gross
Total net realized gain (loss)
Realized Investment Gains (Loss) And Gain (Loss) On Extinguishment Of Debt
Realized Investment Gains (Loss) And Gain (Loss) On Extinguishment Of Debt
Entity Well-known Seasoned Issuer
Total lease payments
Lessee, Operating Lease, Liability, to be Paid
Net investment income before gains and losses per common share:
Per share data
Investment Company, Investment Income (Loss) from Operations, Per Share [Abstract]
Basis spread variable rate
Investment, basis spread, variable rate
Investment, Basis Spread, Variable Rate
Shares (in shares)
Investment Owned, Balance, Shares
Dividends [Domain]
Dividends [Domain]
Expiration Date
Trading Arrangement Expiration Date
Basic (in dollars per share)
Investment Company, Investment Income (Loss), Per Share, Basic
Schedule of Fair Value and Location of the Company's Derivative Instruments
Schedule of Foreign Exchange Contracts, Statement of Financial Position [Table Text Block]
Amounts received by the company from the advisor funds relating to assigned investments
Amounts received by the Company from the Adviser Funds relating to assigned investments
Related Party Transaction, Amounts of Transaction
Medical Devices & Equipment
Medical Devices & Equipment [Member]
Medical Devices & Equipment
Line of credit facility, covenant terms
Line of Credit Facility, Covenant Terms
Total PIK interest income
Accretion of paid-in-kind interest
Interest Income, Operating, Paid in Kind
Escrow Receivables
Escrow Receivables Policy Policy [Policy Text Block]
Escrow receivables policy.
Geographic Concentration Risk
Geographic Concentration Risk [Member]
2027
Unfunded Commitments Due In Second Year
Unfunded commitments due in second year.
Compensation Actually Paid vs. Net Income
Compensation Actually Paid vs. Net Income [Text Block]
Preferred Series A
Series A Preferred Stock [Member]
Entity Current Reporting Status
Medical Devices
Medical Devices [Member]
Medical Devices
Schedule of Investments Portfolio
Summary of SBIC Investments
Investment Holdings, Schedule of Investments [Table Text Block]
Awards Close in Time to MNPI Disclosures
Awards Close in Time to MNPI Disclosures [Table]
Collateral Held [Axis]
Collateral Held [Axis]
Consolidated Entities
Consolidated Entities [Domain]
Except for the 2031 Asset-Backed Notes, the Notes are unsecured and therefore effectively subordinated to any current or future secured indebtedness. [Member]
Except for the 2031 Asset-Backed Notes, the Notes are unsecured and therefore effectively subordinated to any current or future secured indebtedness.
Ratio of total expense to average net assets
Investment Company, Expense Ratio, after Fee Waiver and Incentive Fee Deduction
Repayment of accrued interest
Repayment Of Accrued Interest
Repayment Of Accrued Interest
Industry Sub Sector Investments Benchmark
Industry Sub Sector Investments Benchmark [Member]
Industry Sub Sector Investments Benchmark
Financial Instrument
Financial Instrument [Axis]
Statement of Financial Position [Abstract]
Statement of Financial Position [Abstract]
Executive Category:
Executive Category [Axis]
Foreign Exchange Forward
Foreign Exchange Forward [Member]
Repayment of debt
Repayment of debt
Repayments of Debt
Schedule of Tax Character of Distributions Paid
Schedule of tax character of distributions [Table Text Block]
Schedule of tax character of distributions
We may not be able to pay distributions to our stockholders, our distributions may not grow over time, and a portion of distributions paid to our stockholders may be a return of capital [Member]
We may not be able to pay distributions to our stockholders, our distributions may not grow over time, and a portion of distributions paid to our stockholders may be a return of capital, which is a distribution of the stockholders’ invested capital.
Debt average amount outstanding
Line of Credit Facility, Average Outstanding Amount
February 2025 Notes [Member]
February 2025 Notes [Member]
Market Comparable Companies
Valuation, Market Approach [Member]
Current Fiscal Year End Date
Senior Secured First Lien
Senior Secured First Lien [Member]
Senior Secured First Lien [Member]
Ireland
IRELAND
S B A Debentures Issued on February 5, 2025
S B A Debentures Issued On February Five Two Thousand And Twenty Five [Member]
S B A Debentures Issued On February Five Two Thousand And Twenty Five
FATCA Withholding May Apply To Payments Made To Certain Foreign Entities [Member]
Fatca Withholding May Apply To Payments Made To Certain Foreign Entities.
Supplemental Dividend Q3 2023
S 2023 Q3 Dividends [Member]
S 2023 Q3 Dividends
Weighted Average Grant Date Fair Value per Share
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Israel
ISRAEL
Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table]
Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table]
Equity Awards Adjustments, Excluding Value Reported in Compensation Table
Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member]
Hypothetical Market Yield
Measurement Input Hypothetical Market Yield [Member]
Measurement input, hypothetical market yield.
SBA Debentures Issued on December 28, 2021
S B A Debentures Issued On December Twenty Eight Two Thousand And Twenty One [Member]
SBA debentures issued on december twenty eight, two thousand and twenty one.
Dividend income
Dividend Income [Member]
Dividend Income
September 2026 Notes
September Two Thousand Twenty Six Notes [Member]
September two thousand twenty six notes.
Schedule of Investments Measured at Fair Value on Recurring Basis
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Financial Support to Nonconsolidated Legal Entity [Domain]
Financial Support to Nonconsolidated Legal Entity [Domain]
SBA Debentures Issued on December 6, 2024
S B A Debentures Issued On December Six Two Thousand And Twenty Four [Member]
S B A Debentures Issued On December Six Two Thousand And Twenty Four
Equity distribution agreement available shares (in shares)
Equity Distributions Agreement Available Shares
Equity Distributions Agreement Available Shares
Antidilutive securities (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Consumer & Business Products
Consumer And Business Products [Member]
Consumer and Business Products.
Fair Value By Balance Sheet Grouping [Table]
Fair Value, by Balance Sheet Grouping [Table]
Investing in publicly traded companies can involve a high degree of risk and can be speculative [Member]
Investing in publicly traded companies can involve a high degree of risk and can be speculative [Member]
Net cash provided by (used in) financing activities
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Measure:
Measure [Axis]
Our SBIC Subsidiaries May Be Unable To Make Distributions To Us That Will Enable Us To Meet Or Maintain RIC Status, Which Could Result In The Imposition Of An Entity-Level Tax [Member]
Our SBIC subsidiaries may be unable to make distributions to us that will enable us to meet or maintain RIC status, which could result in the imposition of an entity-level tax.
Terrorist Attacks, Acts Of War, Public Health Crises, Climate Change, Or Natural Disasters May Affect Any Market For Our Securities, Impact The Businesses In Which We Invest And Harm Our Business [Member]
Terrorist attacks, acts of war, public health crises, climate change, or natural disasters may affect any market for our securities, impact the businesses in which we invest and harm our business, operating results and financial condition.
Base Dividend Q3 2025
O 2025 Q3 Dividends [Member]
O 2025 Q3 Dividends
Valuation Approach and Technique
Valuation Approach and Technique [Axis]
April 2019 Notes [Member]
April 2019 Notes [Member]
Issuance of common stock under equity-based award plans
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures
Equity and Warrant Investments
Equity and Warrant Investments [Member]
Equity and Warrant Investments [Member]
Distribution equivalent units (“DEUs”) were issued with a grant date fair value
Share Based Compensation Arrangement By Share Based Payment Award Distribution Equivalent Unit Grant Date Fair Value
Share-based compensation arrangement by share-based payment award distribution equivalent unit grant date fair value.
SBA Debentures
S B A Debentures [Member]
SBA debentures.
Debt investments
Debt
Debt Investments [Member]
Debt investments.
Unearned fees related to unfunded commitments
Unearned Fees Related To Unfunded Commitments
Unearned fees related to unfunded commitments.
Pay vs Performance Disclosure, Table
Pay vs Performance [Table Text Block]
O 2026 Q1 Dividends
O 2026 Q1 Dividends [Member]
O 2026 Q1 Dividends
Forgone Recovery due to Violation of Home Country Law, Amount
Forgone Recovery due to Violation of Home Country Law, Amount
Excise Tax
Income Tax Paid, Federal Excise Tax, after Refund Received
Income Tax Paid, Federal Excise Tax, after Refund Received
Amortization of debt issuance cost (loan fees)
Amortization of Debt Issuance Costs
2032
Unfunded Commitments Due In Eighth Year
Unfunded commitments due in eighth year.
Entity Tax Identification Number
Discounted Cash Flow
Valuation Technique, Discounted Cash Flow [Member]
Base Dividend Q4 2025
O 2025 Q4 Dividends [Member]
O 2025 Q4 Dividends
Recurring fee income
Recurring Fee Income [Member]
Recurring Fee Income [Member]
Common stock issued (in shares)
Common Stock, Shares, Issued
Communications & Networking
Communications & Networking [Member]
Communications & Networking
Accumulated realized gains (losses)
Net realized gain (loss)
Realized Gain Loss [Member]
Realized gain loss.
Weighted-average remaining lease term (in years)
Operating Lease, Weighted Average Remaining Lease Term
The outcome of the U.S. presidential, congressional and other elections creates significant uncertainty with respect to the legal, tax and regulatory regime [Member]
The outcome of the U.S. presidential, congressional and other elections creates significant uncertainty with respect to the legal, tax and regulatory regime
Entity Public Float
Trading Arrangement:
Trading Arrangement [Axis]
Total Shareholder Return Amount
Total Shareholder Return Amount
Loss Contingencies [Line Items]
Loss Contingencies [Line Items]
Net Realized Gains (Losses)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings
Unrealized appreciation (depreciation)
Investment Company, Distributable Earnings (Loss), Accumulated Appreciation (Depreciation)
Netherlands
NETHERLANDS
Security Exchange Name
Total Foreign
Income Tax Paid, Foreign, after Refund Received
Debt instrument license description
Debt Instrument License Description
Debt Instrument License Description
Distributions paid per common share:
Distributions Paid Per Common Share [Abstract]
Distributions paid per common share.
Maximum borrowing capacity
Line of Credit Facility, Maximum Borrowing Capacity
Distributions reinvested in common stock (in shares)
Stock Issued During Period, Shares, Dividend Reinvestment Plan
Supplemental Dividend Q2 2023
S 2023 Q2 Dividends [Member]
S 2023 Q2 Dividends
Operating expenses:
Operating Expenses [Abstract]
Preferred stock
Preferred Stock Investment Member
Preferred Stock Investment Member
Asset Class
Asset Class [Domain]
Investments, Cash & Cash Equivalents
Investments, Cash And Cash Equivalents [Member]
Investments, Cash And Cash Equivalents
Terms Relating To Redemption May Materially Adversely Affect The Return On Any Debt Securities That We May Issue [Member]
Terms relating to redemption may materially adversely affect the return on any debt securities that we may issue.
Long-term Capital Gains
Long Term Capital Gains [Member]
Long Term Capital Gains [Member]
Line of credit interest rate
Line of Credit Facility, Interest Rate During Period
Net Realized Gains (Losses)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings
Statement [Line Items]
Statement [Line Items]
June 2030 Notes
June Two Thousand Thirty Notes [Member]
June Two Thousand Thirty Notes
Rule 10b5-1 Arrangement Adopted
Rule 10b5-1 Arrangement Adopted [Flag]
Cash and cash equivalents
Cash and Cash Equivalent
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Table]
Fair Value Measurement Inputs and Valuation Techniques [Table]
Subsequent Event [Line Items]
Subsequent Event [Line Items]
Coronado Aesthetics, LLC
Coronado Aesthetics L L C [Member]
Coronado Aesthetics, LLC.
Common Stock
Common Stock [Member]
Vested (in shares)
Vested (in shares)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period
Secured Borrowings
Securities Borrowed and Loaned Policy [Policy Text Block]
Pharmaceuticals
Pharmaceuticals [Member]
Pharmaceuticals.
Net increase (decrease) in cash, cash equivalents, foreign cash and restricted cash
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation
Total net change in unrealized appreciation (depreciation)
Total net change in unrealized appreciation (depreciation)
Unrealized Gain (Loss) on Investments
Summary of Significant Accounting Policies
Recent Accounting Pronouncements
Significant Accounting Policies [Text Block]
2024 Equity Distribution Agreement
Two Thousand Twenty Four Equity Distribution Agreement [Member]
Two Thousand Twenty Four Equity Distribution Agreement
Investing in our securities may involve a high degree of risk [Member]
Investing in our securities may involve a high degree of risk [Member]
Base Dividend Q2 2023
O 2023 Q2 Dividends [Member]
O 2023 Q2 Dividends
Statistical Measurement
Statistical Measurement [Domain]
Lease and license obligations after 5 years
Lessee, Operating Lease, Liability, to be Paid, after Year Five
Diversified Financial Services
Diversified Financial Services [Member]
Diversified Financial Services.
Taxable income
Taxable Net Income (Loss)
Taxable net income (loss).
Employee compensation:
Compensation Items [Abstract]
Probability weighting of alternative outcomes
Measurement Inputs Probability Weighting Of Alternative Outcomes [Member]
Measurement inputs probability weighting of alternative outcomes.
Asset Class
Asset Class [Axis]
Valuation Approach and Technique
Valuation Approach and Technique [Domain]
Debt
Debt, Policy [Policy Text Block]
Open Forward Foreign Currency Contract, Identifier [Axis]
Open Forward Foreign Currency Contract, Identifier [Axis]
Schedule of Dividends Declared
Dividends Declared [Table Text Block]
Manufacturing Technology
Manufacturing Technology [Member]
Manufacturing Technology.
Singapore
SINGAPORE
Sweden
SWEDEN
Hercules Adviser LLC(3)
Hercules Adviser L L C [Member]
Hercules Adviser LLC.
Trading Arrangements, by Individual
Trading Arrangements, by Individual [Table]
Basic (in dollars per share)
Earnings Per Share, Basic
We Are Highly Dependent On Information Systems And Systems Failures Could Significantly Disrupt Our Business, Which May, In Turn, Negatively Affect The Market Price Of Our Common Stock And Our Ability To Pay Dividends [Member]
We are highly dependent on information systems and systems failures could significantly disrupt our business, which may, in turn, negatively affect the market price of our common stock and our ability to pay dividends.
Discount Rate
Measurement Input, Discount Rate [Member]
Other comprehensive income
Other Comprehensive Income (Loss), Net of Tax
Notes 2033 [Member]
Notes 2033 [Member]
Payment Date
Dividends Payable, Date to be Paid
License term
License Term
License term.
Interest receivable
Increase (Decrease) in Accrued Interest Receivable, Net
2029
Unfunded Commitments Due In Fourth Year
Unfunded commitments due in fourth year.
Measurement Input Type
Measurement Input Type [Domain]
Small Business Administration Debentures (HT III) [Member]
Small Business Administration Debentures (HT III) [Member]
July 2024 Notes [Member]
July 2024 Notes [Member]
Investment company regulated status
Investment Company, Regulated Status [true false]
Assets sold to the Adviser Funds
Related Party Transaction, Sales to Related Party
Related Party Transaction, Sales to Related Party
Lower Middle Market
Lower Middle Market [Member]
Lower middle market.
Discount for Lack of Marketability
Measurement Input, Discount for Lack of Marketability [Member]
Common stock
Common Stock Investment [Member]
Common Stock Investment Member
Award Timing MNPI Disclosure
Award Timing MNPI Disclosure [Text Block]
Secured Credit Facility with M U F G Bank Ltd. (M U F G) [Member]
Secured Credit Facility with M U F G Bank Ltd. (M U F G) [Member]
VIE
Variable Interest Entity, Primary Beneficiary [Member]
Accounts and Financing Receivables [Table]
Accounts and Financing Receivables [Table]
Total Investments, at fair value
Including Cash And Cash Equivalent [Member]
Excluding Cash And Cash Equivalent Member
Ordinary income
Investment Company, Distribution, Ordinary Income
Stock-based compensation
Share-Based Payment Arrangement, Expense
Exit fee interest income
Exit Fee [Member]
Exit Fee.
Total Investments Benchmark, Geographical
Total Investments Benchmark, Geographical [Member]
Total Investments Benchmark, Geographical
Total from investment operations (in dollars per share)
Investment Company, Investment Income (Loss) from Operations, Per Share
Investment commitments assigned to or directly committed by the Adviser Funds
Adviser Subsidiary Investment Commitments
Adviser subsidiary investment commitments.
Total liabilities and net assets
Liabilities and Equity
Foreign Currency Translation
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Market Equity Adjustment
Measurement Input Market Equity Adjustment [Member]
Measurement input market equity adjustment.
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark [Axis]
SBA Debentures Issued on March 26, 2021
S B A Debentures Issued On March Twenty Six Two Thousand And Twenty One [Member]
SBA debentures issued on march twenty six, two thousand and twenty one.
Small Business Administration Debentures (HT II) [Member]
Small Business Administration Debentures (HT II) [Member]
Investments in and Advances to Affiliates [Line Items]
Investments in and Advances to Affiliates [Line Items]
Schedule of Undistributed Ordinary Income or Accumulated Realized Gains (Losses)
undistributed ordinary income or accumulated realized gains (losses) to additional paid-in capital [Table Text Block]
undistributed ordinary income or accumulated realized gains (losses) to additional paid-in capital
Accounting Policies [Abstract]
Accounting Policies [Abstract]
Schedule of Future Minimum Lease Payments under Operating Leases and Reconciliation to Operating Lease Liability
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]
Concentration Risk Type
Concentration Risk Type [Domain]
We May Have Difficulty Paying The Distributions Required To Maintain RIC Status Under The Code If We Recognize Income Before Or Without Receiving Cash Representing Such Income [Member]
We may have difficulty paying the distributions required to maintain ric status under the code if we recognize income before or without receiving cash representing such income.
Dividends Payable [Line Items]
Dividends Payable [Line Items]
Pay vs Performance Disclosure [Line Items]
We Operate In A Highly Competitive Market For Investment Opportunities [Member]
We operate in a highly competitive market for investment opportunities.
Operating lease liability
Total operating lease liability
Operating Lease, Liability
Contractual obligations 1-3 years
Contractual Obligation, to be Paid, Year Two and Three
Liabilities
Liabilities [Abstract]
Debt Investments Imminent Payoffs
Debt Investments Imminent Payoffs [Member]
Debt Investments - Imminent Payoff.
Investment Holdings [Table]
Investment Holdings [Table]
Depreciation and amortization
Depreciation, Depletion and Amortization, Nonproduction
Number of votes per share
Common Stock, Voting Rights, Number Of Votes Per Share
Common Stock, Voting Rights, Number Of Votes Per Share
Line of credit facility, description
Line of Credit Facility, Description
Statement of Cash Flows [Abstract]
Statement of Cash Flows [Abstract]
Operating under the constraints imposed on us as a BDC and RIC may hinder the achievement of our investment objectives [Member]
Operating under the constraints imposed on us as a BDC and RIC may hinder the achievement of our investment objectives [Member]
Company Selected Measure Amount
Company Selected Measure Amount
2028
Lessee, Operating Lease, Liability, to be Paid, Year Three
Suzy, Inc.
Phathom Pharmaceuticals Inc [Member]
Phathom Pharmaceuticals, Inc.
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]
Payments for derivative instruments
Payments For Derivative Instrument, Operating Activities
Payments For Derivative Instrument, Operating Activities
2018 Plan
Two Thousand Eighteen Plan [Member]
Two Thousand Eighteen Plan
Measurement Input Type
Measurement Input Type [Axis]
Investment, Issuer Affiliation [Axis]
Investment, Issuer Affiliation [Axis]
Name
Measure Name
We may not be able to prepay the Notes upon a change in control or fundamental change. [Member]
We may not be able to prepay the Notes upon a change in control or fundamental change.
February 2025 Notes
February Two Thousand Twenty Five Notes [Member]
February two thousand twenty five notes.
Class Of Stock [Line Items]
Class of Stock [Line Items]
Industry Sector [Domain]
Industry Sector [Domain]
Unsecured Debt
Unsecured Debt [Member]
Net Change in Unrealized Appreciation (Depreciation)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Period Increase (Decrease)
Schedule of Unrealized Gain (Loss) on Investments
Unrealized Gain (Loss) on Investments [Table Text Block]
We are dependent upon senior management personnel for our future success, particularly our CEO, Scott Bluestein [Member]
We are dependent upon senior management personnel for our future success, particularly Scott Bluestein [Member]
Advisor Funds
Advisor Funds [Member]
Advisor Funds
Income Tax Contingency [Table]
Income Tax Contingency [Table]
Debt (net of unamortized debt issuance costs of $26,626 and $14,310, respectively; amounts related to a VIE $64,530 and $118,769, respectively)
Net of debt issuance costs
Carrying value
Total
Long-Term Debt
Legal Entity
Total assets
Assets
Legislative Or Regulatory Tax Changes Could Adversely Affect Our Stockholders [Member]
Legislative or regulatory tax changes could adversely affect our stockholders.
Schedule of Loan Exit Fees Receivable
Schedule of Loan Exit Fees Receivable [Table Text Block]
Schedule of Loan Exit Fees Receivable [Table Text Block]
September 2026 Notes [Member]
September 2026 Notes [Member]
Vested (in dollars per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Geographical
Geographical [Domain]
Income Taxes
Income Tax, Policy [Policy Text Block]
Cash flows provided by (used in) operating activities:
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]
Receivable Type [Axis]
Receivable Type [Axis]
The lack of liquidity in our investments may adversely affect our business [Member]
The lack of liquidity in our investments may adversely affect our business [Member]
Concentration Risk Type
Concentration Risk Type [Axis]
Supplemental Dividend Q3 2025
S 2025 Q3 Dividends [Member]
S 2025 Q3 Dividends
Declared Date
Dividends Payable, Date Declared
Principles of Consolidation
Consolidation, Variable Interest Entity, Policy [Policy Text Block]
Warrants
Warrant [Member]
Entity Common Stock, Shares Outstanding
All assets including intellectual property
All Assets Including Intellectual Property [Member]
All Assets Including Intellectual Property [Member]
Principal amount
Investment Owned, Balance, Principal Amount
SBA Debentures Issued on January 14, 2022
S B A Debentures Issued On January Fourteen Two Thousand And Twenty Two [Member]
SBA debentures issued on january fourteen, two thousand and twenty two.
2031
Unfunded Commitments Due In Sixth Year
Unfunded commitments due in sixth year.
Significant Other Observable Inputs (Level 2)
Observable Inputs Level 2
Fair Value, Inputs, Level 2 [Member]
Document Financial Statement Error Correction
Distributions of capital gains (in dollars per share)
Investment Company, Dividend Distribution, Per Share
Investment Company, Dividend Distribution, Per Share
Insider Trading Policies and Procedures Not Adopted
Insider Trading Policies and Procedures Not Adopted [Text Block]
Fundings assigned to Adviser Funds
Funding Assigned To Adviser Funds
Funding Assigned To Adviser Funds
Lease and License Obligations
Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract]
Undistributed ordinary income
Undistributed Ordinary Income [Member]
Undistributed Ordinary Income
Other Assets
Other Assets Policy Policy [Policy Text Block]
Other Assets Policy.
The market price of our securities may be volatile and fluctuate significantly [Member]
The market price of our securities may be volatile and fluctuate significantly [Member]
We May Experience Fluctuations In Our Operating Results [Member]
We may experience fluctuations in our operating results.
Plan Name
Plan Name [Axis]
Document Information [Table]
PEO
PEO [Member]
Gross Transfers into Level 3
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3
PIK interest income
P I K Interest [Member]
PIK Interest.
March 2026 B Notes [Member]
March 2026 B Notes [Member]
United States
UNITED STATES
Change in operating assets and liabilities:
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract]
Convertible Notes 2016 [Member]
Convertible Notes 2016 [Member]
Investments After Cash And Cash Equivalents
Investments After Cash And Cash Equivalents [Member]
Investments After Cash And Cash Equivalents
Any inability to renew, extend or replace our Credit Facilities could adversely impact our liquidity and ability to fund new investments or maintain distributions to our stockholders. [Member]
Any inability to renew, extend or replace our Credit Facilities could adversely impact our liquidity and ability to fund new investments or maintain distributions to our stockholders.
Interest rate floor
Investment, Interest Rate, Floor
Distributable Earnings (loss)
Retained Earnings [Member]
Supplemental Dividend Q4 2023
S 2023 Q4 Dividends [Member]
S 2023 Q4 Dividends
Weighted average cost of debt
Debt, Weighted Average Cost Of Debt, Percentage
Debt, Weighted Average Cost Of Debt, Percentage
Share-Based Payment Arrangement [Abstract]
Share-Based Payment Arrangement [Abstract]
Cash, cash equivalents, foreign cash and restricted cash at beginning of period
Cash, cash equivalents, foreign cash and restricted cash at end of period
Total cash, cash equivalents, foreign cash and restricted cash presented in the Consolidated Statements of Cash Flows
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation
Income Statement [Abstract]
Income Statement [Abstract]
January 2027 Notes
January Two Thousand Twenty Seven Notes [Member]
January two thousand twenty seven notes.
Electronics & Computer Hardware
Electronics & Computer Hardware [Member]
Electronics & computer hardware.
Technology
Technology [Member]
Technology.
Investments
Investments, Fair Value Disclosure
Total return
Investment Company, Total Return
Net realized gain (loss) and net change in unrealized appreciation (depreciation):
Gain (Loss), Investment and Derivative, Operating, and Foreign Currency Transaction, before Tax [Abstract]
Our success depends on attracting and retaining qualified personnel in a competitive environment [Member]
Our success depends on attracting and retaining qualified personnel in a competitive environment [Member]
Net investment income
Net Investment Income
Record Date
Dividends Payable, Date of Record
Restatement does not require Recovery
Restatement Does Not Require Recovery [Text Block]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Semiconductors
Semiconductors [Member]
Semiconductors.
Percentage of fair value of investments based on the Company's total investment portfolio
Percentage Of Investment Portfolio
Percentage of investment portfolio.
Distributions
Total Amount
Capital gains
Investment Company, Dividend Distribution
S B A Debentures Issued on June 5, 2025
S B A Debentures Issued On June Five Two Thousand And Twenty Five [Member]
S B A Debentures Issued On June Five Two Thousand And Twenty Five
City Area Code
1-month LIBOR
One Month L I B O R [Member]
One Month LIBOR.
Award Timing, How MNPI Considered
Award Timing, How MNPI Considered [Text Block]
SBA Debentures Issued on December 20, 2024
S B A Debentures Issued On December Twenty Two Thousand And Twenty Four [Member]
S B A Debentures Issued On December Twenty Two Thousand And Twenty Four
Cash flows provided by (used in) investing activities:
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]
General and administrative
General and Administrative Expense
Industry Sub Sector Concentration Risk
Industry Sub Sector Concentration Risk [Member]
Industry Sub-Sector Concentration Risk Member
Pay vs Performance Disclosure
Pay vs Performance Disclosure [Table]
Interest receivable
Interest Receivable
Related Party Transactions [Abstract]
Related Party Transactions [Abstract]
Undistributed taxable earnings (in dollars per share)
Undistributed Taxable Earnings
Undistributed Taxable Earnings
Defaults by our portfolio companies will harm our operating results [Member]
Defaults by our portfolio companies will harm our operating results [Member]
Summary of Information Related to Measurement of Operating Lease Liabilities and Supplemental Cash Flow Information Related to Operating Leases
Lease, Cost [Table Text Block]
We May In The Future Choose To Pay Distributions In Our Own Stock, In Which Case You May Be Required To Pay Tax In Excess Of The Cash You Receive [Member]
We may in the future choose to pay distributions in our own stock, in which case you may be required to pay tax in excess of the cash you receive.
Gross Transfers out of Level 3
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3
SBA Debentures Issued on July 28, 2021
S B A Debentures Issued On July Twenty Eight Two Thousand And Twenty One [Member]
SBA debentures issued on july twenty eight, two thousand and twenty one.
Total Industry Sectors
Total Industry Sectors [Member]
Total Industry Sectors
Auditor Name
Adviser Funds
Adviser Funds [Member]
Adviser funds.
Description of Business
Nature of Operations [Text Block]
Schedule of Financial Highlights
Investment Company, Financial Highlights [Table Text Block]
SBA Debentures Issued on June 25, 2021
S B A Debentures Issued On June Twenty Five Two Thousand And Twenty One [Member]
SBA debentures issued on june twenty five, two thousand and twenty one.
Second lien
Second Lien [Member]
Second Lien [Member]
Maturity Date
Debt retired
Debt Instrument, Maturity Date
June 2025 Notes
June Two Thousand Twenty Five Notes [Member]
June two thousand twenty five notes.
Other Performance Measure, Amount
Other Performance Measure, Amount
Debt issuance costs
Payments of Debt Issuance Costs
Ratio of net investment income before investment gains and losses to average net assets
Investment Company, Investment Income (Loss) Ratio
Aggregate cost of securities for U.S. federal income tax purposes (in billions)
Investment, Tax Basis, Cost
Fair Value Measurements
Fair Value Measurement, Policy [Policy Text Block]
Related Party
Related and Nonrelated Parties [Domain]
Equity Offering Expenses
Equity Offering Expenses Policy Policy [Policy Text Block]
Equity offering expenses policy.
Concentrations of Credit Risk
Credit Concentration Risk [Member]
Distributions of net investment income (in dollars per share)
Investment Company, Distribution To Shareholders, Per Share, Excluding Capital Share Transactions
Investment Company, Distribution To Shareholders, Per Share, Excluding Capital Share Transactions
Derivative Instrument [Axis]
Derivative Instrument [Axis]
Vesting [Axis]
Vesting [Axis]
Valuation of Investments
Fair Value of Financial Instruments, Policy [Policy Text Block]
Restricted cash
Restricted cash
Restricted Cash
Base Dividend Q4 2023
O 2023 Q4 Dividends [Member]
O 2023 Q4 Dividends
We, Through Our Wholly Owned Subsidiaries, Issue Debt Securities Guaranteed By The SBA And Sold In The Capital Markets [Member]
We, through our wholly owned subsidiaries, issue debt securities guaranteed by the SBA and sold in the capital markets. As a result of its guarantee of the debt securities, the SBA has fixed dollar claims on the assets of our subsidiaries that are superior to the claims of our securities holders.
Numerator
Numerator For Basic And Diluted Change In Net Assets Per Common Share [Abstract]
Numerator for basic and diluted change in net assets per common share.
Entity
Total Level 3 Debt Investments and Other Assets (Liabilities)
Debt Investments And Other Investment Receivables [Member]
Debt Investments And Other Investment Receivables
Net cash provided by (used in) investing activities
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation
6.25% Notes Due 2033
Six Point Two Five Notes Due Two Thousand Thirty Three [Member]
Six point two five notes due two thousand thirty three.
Drug Discovery & Development
Drug Discovery & Development [Member]
Drug Discovery & Development
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]
Realized Gains or Losses
Realized Gains or Losses [Policy Text Block]
Realized gains or losses.
Sustainable and Renewable Technology
Sustainable and Renewable Technology
Sustainable And Renewable Technology [Member]
Sustainable and renewable technology.
Interest paid
Cash paid for interest expense
Interest income
Interest Paid, Excluding Capitalized Interest, Operating Activity
Document Fiscal Year Focus
Basis of Presentation
Basis of Accounting, Policy [Policy Text Block]
Base Dividend Q1 2025
O 2025 Q1 Dividends [Member]
O 2025 Q1 Dividends
Other temporary differences
Other Temporary Differences [Member]
Other Temporary Differences
Right of use asset
Operating Lease, Right-of-Use Asset
S B A Debentures Issued on March 28, 2025
S B A Debentures Issued On March Twenty Eight Two Thousand And Twenty Five [Member]
S B A Debentures Issued On March Twenty Eight Two Thousand And Twenty Five
Total operating lease cost
Operating Lease, Cost
Equity Method Investment, Nonconsolidated Investee [Axis]
Equity Method Investment, Nonconsolidated Investee [Axis]
Investment company, accounting and reporting under Topic 946
Investment Company, Accounting and Reporting under Topic 946 [true false]
Gross Reductions
Gross CA Reduction
Gross CA reduction.
Plan Name
Plan Name [Domain]
Carrying Value
Reported Value Measurement [Member]
Common - Offering Expenses
Common - Offering Expenses [Member]
Common - Offering Expenses
Total unrecognized compensation costs expected to be recognized, period
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Total
Gain (Loss), Investment and Derivative, Operating, after Tax
Equity [Abstract]
Equity [Abstract]
Supplemental Dividend Q4 2024
S 2024 Q4 Dividends [Member]
S 2024 Q4 Dividends
Derivative Instruments
Derivatives, Policy [Policy Text Block]
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]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Schedule of Components of Distributable Earnings on a Tax Basis
Components Of Distributable Earnings On Tax Basis [Table Text Block]
Components Of Distributable Earnings On Tax Basis.
Gross Transfers into Level 3
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3
Schedule of Unfunded Contractual Commitments and Unencumbered Unfunded Commitments
Other Commitments [Table Text Block]
Compensation Actually Paid vs. Total Shareholder Return
Compensation Actually Paid vs. Total Shareholder Return [Text Block]
Weighted Average
Weighted Average [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Fair Value, Recurring and Nonrecurring [Table]
Leases
Lessee, Leases [Policy Text Block]
Other Control Investments
Other Control Investments [Member]
Other Control Investments
Weighted average shares outstanding:
Weighted Average Number Of Shares Outstanding Basic And Diluted [Abstract]
Weighted average number of shares outstanding basic and diluted.
Purchases of capital equipment
Payments to Acquire Productive Assets
Debt instrument, convertible, conversion ratio
Debt Instrument, Convertible, Conversion Ratio
Line of credit facility, termination date
Line of Credit Facility, Expiration Date
Information Services
Information Services [Member]
Information services.
Sale of Stock, Consideration Received on Transaction
Sale of Stock, Consideration Received on Transaction
Schedule of Unamortized Capitalized Fee Income
Schedule Of Unamortized Capitalized Fee Income [Table Text Block]
Schedule Of Unamortized Capitalized Fee Income
Franchise Tax
Income Tax Paid, State and Local Franchise Tax, after Refund Received
Income Tax Paid, State and Local Franchise Tax, after Refund Received
Accretion of loan discount on convertible notes
Accretion (Amortization) Of Discounts And Premiums, Investments, Convertible Notes
Accretion (Amortization) Of Discounts And Premiums, Investments, Convertible Notes
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities
Net increase (decrease) in net assets from capital share transactions (in dollars per share)
Investment Company, Capital Share Transaction, Increase (Decrease), Per Share
Investment Company, Capital Share Transaction, Increase (Decrease), Per Share
Schedule of Common Stock Shares Issued and Sold
Schedule of Stockholders Equity [Table Text Block]
Revolving Credit Facility
Revolving Credit Facility [Member]
Notes 2025 [Member]
Notes 2025 [Member]
Change in net assets resulting from operations per common share:
Earning Per Share Basic And Diluted [Abstract]
Earning per share basic And diluted.
Market Adjusted OPM Backsolve
Valuation Technique, Option Pricing Model [Member]
Arrangement Duration
Trading Arrangement Duration
Change in net assets per common share:
Change In Net Assets Per Common Share [Abstract]
Change in net assets per common share.
Fair Value by Liability Class [Domain]
Fair Value by Liability Class [Domain]
Local Phone Number
Additional 402(v) Disclosure
Additional 402(v) Disclosure [Text Block]
Collaborative Arrangement and Arrangement Other than Collaborative
Collaborative Arrangement and Arrangement Other than Collaborative [Domain]
S B A Debentures Issued on April 25, 2025
S B A Debentures Issued On April Twenty Five Two Thousand And Twenty Five [Member]
S B A Debentures Issued On April Twenty Five Two Thousand And Twenty Five
Per share market value at end of period (in dollars per share)
Debt after 5 years
Long-Term Debt, Maturity, after Year Five
Equity Incentive Plans
Share-Based Payment Arrangement [Text Block]
Shares retired on vesting of equity-based awards (in shares)
Stock Repurchased and Retired During Period, Shares
HC IV
Hercules Capital Four L P [Member]
Hercules capital four, L.P.
Assets
Assets [Abstract]
Credit Facility
Credit Facility [Axis]
Interest-Bearing Unsecured Notes
Interest-Bearing Unsecured Notes [Member]
Interest-Bearing Unsecured Notes
Underlying Security Market Price Change
Underlying Security Market Price Change, Percent
Debt Instrument
Performance Vesting Award
Performance Vesting Award [Member]
Performance Vesting Award [Member]
Forfeited (in dollars per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Investment Income Recognition
Revenue Recognition, Interest [Policy Text Block]
Fair Value of Financial Instruments
Fair Value Disclosures [Text Block]
Our ability to sell investments held by any subsidiary that enters into a credit facility would be limited. [Member]
Our ability to sell investments held by any subsidiary that enters into a credit facility would be limited.
Loss on extinguishment of debt
Loss on extinguishment of debt
Gain (Loss) on Extinguishment of Debt
Credit Facility
Credit Facility [Domain]
Net assets consist of:
Equity, Attributable to Parent [Abstract]
Service vesting percentages
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Rights, Percentage
Consumer & Business Services
Consumer & Business Services [Member]
Consumer & Business Services
Investment owned, percent of net assets
Investment Owned, Net Assets, Percentage
Notes 2024 [Member]
Notes 2024 [Member]
Interest rate
Debt instrument, interest rate
Debt Instrument, Interest Rate, Stated Percentage
Investment, Name [Axis]
Investment, Name [Axis]
Entity Voluntary Filers
Liability Classified Awards
Liability Classified Awards [Member]
Liability Classified Awards [Member]
Distributions reinvested
Distributions Reinvested
Distributions reinvested.
Small Business Administration Debentures (SBIC V) [Member]
Small Business Administration Debentures (SBIC V)
Maturity Date
Investments Maturity Month and Year
Investments Maturity Month and Year.
Audit Information [Abstract]
Audit Information [Abstract]
Audit Information
Foreign currency forward contract
Derivative Asset, Subject to Master Netting Arrangement, before Offset
Investment Company [Abstract]
Investment Company [Abstract]
Weighted average debt per common share (in dollars per share)
Weighted Average Debt Per Common Share
Weighted average debt per common share.
Financial Highlights
Investment Company, Financial Highlights [Text Block]
Supplemental Dividend Q1 2025
S 2025 Q1 Dividends [Member]
S 2025 Q1 Dividends
Entity Registrant Name
Investment Company, Financial Highlights [Line Items]
Investment Company, Financial Highlights [Line Items]
Stock Price or TSR Estimation Method
Stock Price or TSR Estimation Method [Text Block]
Total interest and dividend income, excluding PIK interest income
Interest and Dividend Income, Operating, Paid in Cash
Tectura Corporation
Tectura Corporation [Member]
Tectura corporation.
Fees paid for credit facilities
Payment Of Fees For Credit Facilities
Payment of fees for credit facilities and debentures.
Issuance/Pooling Date
Debt Instrument, Issuance Date
Number of operating segments
Number of Operating Segments
Amount remain outstanding
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding
Accretion of loan discounts
Accretion (Amortization) of Discounts and Premiums, Investments
Schedule of Debt Information
Schedule of Debt [Table Text Block]
Granted (in dollars per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Related Party
Related and Nonrelated Parties [Axis]
Number of portfolio companies
Count Portfolio Companies Greater Than Five Percent
Count Portfolio Companies Greater Than Five Percent
Collaborative Arrangement and Arrangement Other than Collaborative
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
Restatement Determination Date:
Restatement Determination Date [Axis]
2028 Convertible Notes
Two Thousand Twenty Eight Convertible Notes [Member]
Two Thousand Twenty Eight Convertible Notes
Federal
Income Tax Paid, Federal, after Refund Received [Abstract]
Interest
Interest expense
Interest Expense, Debt
Percentage of tangible assets based on the Company's total assets
Percentage Of Assets Held
Percentage of assets held.
Drug Delivery
Drug Delivery [Member]
Drug delivery.
Name
Trading Arrangement, Individual Name
Unfunded commitments
Total Unfunded Debt Commitments
Investment Company, Financial Support to Investee Contractually Required, Not Provided, Amount
Debt instrument, redemption, description
Debt Instrument, Redemption, Description
Debt Issuance Costs
Debt Issuance Costs Policy Policy [Policy Text Block]
Debt issuance costs policy.
The types of portfolio companies in which we invest involve significant risk, and we could lose all or part of our investment [Member]
The types of portfolio companies in which we invest involve significant risk, and we could lose all or part of our investment
Total Federal
Income Tax Paid, Federal Excise And Income Tax, after Refund Received
Income Tax Paid, Federal Excise And Income Tax, after Refund Received
Total Available
Aggregate principal amount
Debt Instrument, Face Amount
Preferred Stock
Preferred Stock [Member]
Contractual Obligations, Total
Contractual Obligation, Fiscal Year Maturity [Abstract]
Investment, Issuer Affiliation [Domain]
Investment, Issuer Affiliation [Domain]
Name
Awards Close in Time to MNPI Disclosures, Individual Name
Unvested shares beginning of period (in dollars per share)
Unvested shares end of period (in dollars per share)
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Depending on funding requirements, we may need to raise additional capital to meet our unfunded commitments through additional borrowings [Member]
Depending on funding requirements, we may need to raise additional capital to meet our unfunded commitments through additional borrowings [Member]
Aggregate Erroneous Compensation Not Yet Determined
Aggregate Erroneous Compensation Not Yet Determined [Text Block]
We may expose ourselves to risks if we engage in hedging transactions [Member]
We may expose ourselves to risks if we engage in hedging transactions [Member]
ICFR Auditor Attestation Flag
2030
Unfunded Commitments Due In Fifth Year
Unfunded commitments due in fifth year.
Stock-based compensation
APIC, Share-Based Payment Arrangement, Increase for Cost Recognition
Shares of closed-end investment companies, including BDCs, may trade at a discount to their NAV [Member]
Shares of closed-end investment companies, including BDCs, may trade at a discount to their NAV [Member]
Liability Class [Axis]
Liability Class [Axis]
Auditor Firm ID
Statement of Income Location, Balance [Axis]
Statement of Income Location, Balance [Axis]
Stock-based compensation expense included in net investment income and other movements (in dollars per share)
Investment Company Stock Based Compensation Expense Included In Investment Income
Per share or unit amount of investment company, stock-based compensation expense included in investment income.
Our stockholders may experience dilution upon the conversion of our 2028 Convertible Notes. [Member]
Our stockholders may experience dilution upon the conversion of our 2028 Convertible Notes.
Change in loan income, net of collections
Change In Loan Income Net Of Collections
Change in loan income net of collections.
Net change in unrealized (appreciation) depreciation
Unrealized Gain (Loss), Investment, Derivative, and Foreign Currency Transaction Price Change, Operating, before Tax
Fair Value Hierarchy and NAV
Fair Value Hierarchy and NAV [Domain]
Unsecured Debt One
Unsecured Debt One [Member]
Unsecured Debt One
Statement of Financial Position Location, Balance [Domain]
Statement of Financial Position Location, Balance [Domain]
Amortization of debt fees and issuance costs
Amortization of Debt Issuance Costs and Discounts
Debt instrument, additional basis spread on variable rate
Debt Instrument, Additional Basis Spread On Variable Rate
Debt Instrument, Additional Basis Spread On Variable Rate
Debt Issuance Costs Net and Other Assets
Debt Issuance Costs Net And Other Assets [Member]
Debt Issuance Costs Net And Other Assets
Earnings Per Share (“EPS”)
Earnings Per Share, Policy [Policy Text Block]
Senior notes
Senior Notes [Member]
Investments in and Advances to Affiliates [Table]
Investments in and Advances to Affiliates [Table]
Performance DEU
Performance DEUs [Member]
Performance DEUs
Principal and fee repayments received
Proceeds from Disposition of Investment, Operating Activity
All Executive Categories
All Executive Categories [Member]
Common stock, par value
Common Stock, Value, Issued
Underwriting
Underwriting [Member]
Underwriting.
Application Software
Application Software [Member]
Application Software
Schedule of Taxable Income And Taxable Net Realized Gains (Losses)
Taxable Income And Taxable Net Realized Gains Losses [Table Text Block]
Taxable Income And Taxable Net Realized Gains Losses
Commitments and Contingencies
Commitments and Contingencies
We may invest in derivatives or other assets that expose us to certain risks, including market risk, liquidity risk and other risks similar to those associated with the use of leverage [Member]
We may invest in derivatives or other assets that expose us to certain risks, including market risk, liquidity risk and other risks similar to those associated with the use of leverage
Contractual obligations 3-5 years
Contractual Obligation, to be Paid, Year Four and Five
Investments Before Cash & Cash Equivalents
Investments Before Cash And Cash Equivalents [Member]
Investments Before Cash And Cash Equivalents
Investment company, investment owned, measurement input
Investment Company, Investment Owned, Measurement Input
Provisions of the Maryland General Corporation Law and of our charter and bylaws could deter takeover attempts and have an adverse impact on the price of our common stock [Member]
Provisions of the Maryland General Corporation Law and of our charter and bylaws could deter takeover attempts and have an adverse impact on the price of our common stock [Member]
Schedule of Investment Interest Income and Fee Income
Investment Income [Table Text Block]
Tangible Book Value Multiple
Measurement Input Tangible Book Value Multiple [Member]
Measurement input tangible book value multiple.
PEO Actually Paid Compensation Amount
PEO Actually Paid Compensation Amount
Exit fee rate
Investment Exit Fee
Investment exit fee
Indemnification [Abstract]
Indemnification [Abstract]
Indemnification [Abstract]
The disposition of our investments may result in contingent liabilities [Member]
The disposition of our investments may result in contingent liabilities [Member]
Derivative Contract [Domain]
Derivative Contract [Domain]
Other
Other Countries [Member]
Other Countries
Issuance of common stock
Proceeds from Issuance of Common Stock
Our business model depends to a significant extent upon our strong referral relationships for investment opportunities [Member]
Our business model depends to a significant extent upon our strong referral relationships for investment opportunities [Member]
Base Dividend Q1 2024
O 2024 Q1 Dividends [Member]
O 2024 Q1 Dividends
All Individuals
All Individuals [Member]
Long-Term Debt, Type
Long-Term Debt, Type [Domain]
June 2025 3-Year Notes
June Two Thousand Twenty Five Three Year Notes [Member]
June two thousand twenty five three year notes.
2033 Notes
Two Thousand Thirty Three Notes [Member]
Two thousand thirty three notes.
Fair Value Disclosures [Abstract]
Fair Value Disclosures [Abstract]
Name
Forgone Recovery, Individual Name
Accordion feature, increase limit
Line of Credit Facility, Accordion Feature, Increase Limit
Line of Credit Facility, Accordion Feature, Increase Limit
Net change in unrealized appreciation (depreciation) - Non-control / Non-affiliate investments
Unrealized Gain (Loss) on Derivatives
Basic (in dollars per share)
Distributions of net investment income (in dollars per share)
Per share amount (in dollars per share)
Investment Company, Distribution to Shareholders, Per Share
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]
Weighted average interest cost
Debt, Weighted Average Interest Rate
Other
Valuation Technique Other [Member]
Valuation technique other.
Uncertainty about presidential administration initiatives could negatively impact our business, financial condition and results of operations [Member]
Uncertainty about presidential administration initiatives could negatively impact our business, financial condition and results of operations
Erroneous Compensation Analysis
Erroneous Compensation Analysis [Text Block]
Geographical
Geographical [Axis]
S 2026 Q4 Dividends
S 2026 Q4 Dividends [Member]
S 2026 Q4 Dividends
Rule 10b5-1 Arrangement Terminated
Rule 10b5-1 Arrangement Terminated [Flag]
Investments In Securities
Investments In Securities [Member]
Investments In Securities
Director Plan
Director Plan [Member]
Director Plan
Term Loan
Term Loan [Member]
Term Loan
Taxable income per share (in dollars per share)
Taxable Income Per Share
Taxable income per share.
Erroneously Awarded Compensation Recovery
Erroneously Awarded Compensation Recovery [Table]
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark [Domain]
Interest Income
Interest Income, Operating
Title of 12(b) Security
Indemnification
Indemnification Disclosure [Text Block]
Indemnification Disclosure [Text Block]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Capital gains
Investment Company, Distribution, Capital Gain
Investment Company, Distribution, Capital Gain
Debt
Long-Term Debt, Fiscal Year Maturity [Abstract]
1-month SOFR
One Month Secured Overnight Financing Rate Sofr Overnight Index Swap Rate [Member]
One month secured overnight financing rate sofr overnight index swap rate member.
All assets with negative pledge on intellectual property
All Assets with Negative Pledge on Intellectual Property [Member]
All Assets with Negative Pledge on Intellectual Property [Member]
Earnings Per Share [Abstract]
Earnings Per Share [Abstract]
PRIME
P R I M E Interest Rate [Member]
PRIME Interest Rate.
2028
Unfunded Commitments Due In Third Year
Unfunded commitments due in third year.
S 2026 Q2 Dividends
S 2026 Q2 Dividends [Member]
S 2026 Q2 Dividends
Schedule of Number of Anti-diluted Shares As Calculated Based on Weighted Average Closing Price of Common Stock
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
June 2025 3-Year Notes [Member]
June 2025 3-Year Notes [Member]
Contractual obligations less than 1 year
Contractual Obligation, to be Paid, Year One
Reclassified accumulated net realized gains (losses)
Tax reclassification of stockholders' equity in accordance with generally accepted accounting principles
Adjustments to Additional Paid in Capital, Other
Percentage of fair value investment in portfolio companies
Top Ten Investment Percent of Fair Value
Top Ten Investment Percent of Fair Value
Accounts Payable and Accrued Liabilities
Accounts Payable and Accrued Liabilities [Member]
Foreign cash (cost of $113 and $70,445, respectively)
Cash and cash equivalents, held in foreign currency
Cash and Cash Equivalent, Held in Foreign Currency
Investment Fund and Vehicle Investments
Investment Fund And Vehicle Investments [Member]
Investment Fund And Vehicle Investments
Tax expenses
Investment Income, Operating, Tax Expense (Benefit)
SBA Debentures Issued on November 15, 2021
S B A Debentures Issued On November Fifteen Two Thousand And Twenty One [Member]
SBA debentures issued on november fifteen, two thousand and twenty one.
SBA Debentures Issued on August 20, 2021
S B A Debentures Issued On August Twenty Two Thousand And Twenty One [Member]
SBA debentures issued on august twenty, two thousand and twenty one.
Award Timing Disclosures [Line Items]
Net realized (gain) loss
Realized Gain (Loss), Investment and Derivative, Operating, after Tax
Share-Based Payment Arrangement, Tranches Two And Three
Share-Based Payment Arrangement, Tranches Two And Three [Member]
Share-Based Payment Arrangement, Tranches Two And Three
6-month LIBOR
Six Month L I B O R [Member]
Six Month LIBOR
Stockholders' Equity and Distributions
Equity [Text Block]
Expenses allocated to the Adviser Subsidiary
Expenses Allocated to Adviser Subsidiary1
Expenses allocated to adviser subsidiary.
SBA Debentures Issued on October 21, 2021
S B A Debentures Issued On October Twenty One Two Thousand And Twenty One [Member]
SBA debentures issued on cctober twenty one, two thousand and twenty one.
Net increase (decrease) in net assets resulting from operations
Net increase (decrease) in net assets resulting from operations
Net increase (decrease) in net assets resulting from operations
Net Income (Loss) Attributable to Parent
Subsequent Event [Table]
Subsequent Event [Table]
Offset against debt investment cost
Included within debt investment cost
Included in Cost [Member]
Included in Cost [Member]
Schedule of Aggregate Unrealized Appreciation And Depreciation of Investment Over Federal Income Tax
Aggregate Unrealized Appreciation And Depreciation of Investment Over Federal Income Tax [Table Text Block]
Aggregate Unrealized Appreciation And Depreciation of Investment Over Federal Income Tax
Equity Method Investment, Nonconsolidated Investee [Domain]
Equity Method Investment, Nonconsolidated Investee [Domain]
Vesting period
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period
Schedule of Reclassified Accumulated Realized Gain (loss) to Additional Paid-in Capital
Schedule Of Reclassified Accumulated Realized Gain (Loss) To Additional Paid-in Capital [Table Text Block]
Schedule Of Reclassified Accumulated Realized Gain (Loss) To Additional Paid-in Capital
Taxes payable
Taxes Payable
Retirement of employee shares, net
Payments for Repurchase of Common Stock
Adoption Date
Trading Arrangement Adoption Date
Average price/share (in dollars per share)
Shares Issued, Price Per Share
The indentures under which the 2033 Notes, September 2026 Notes and January 2027 Notes were issued contain limited protections for the holders of such notes [Member]
The indentures under which the 2033 Notes, September 2026 Notes, January 2027 Notes, 2028 Convertible Notes and June 2030 Notes were issued contain limited protections for the holders of such notes.
Interest rate
Investment Interest Rate
Our Wholly Owned Subsidiary Is Licensed By The SBA, And Therefore Subject To SBIC Regulations [Member]
Our wholly owned subsidiary is licensed by the sba, and therefore subject to sbic regulations.
Line of Credit
Line of Credit [Member]
Count greater five percent fair value equity
Count Greater Five Percent Fair Value Equity
Count greater give percent fair value equity.
Total distributable earnings
Retained Earnings (Accumulated Deficit)
S 2026 Q3 Dividends
S 2026 Q3 Dividends [Member]
S 2026 Q3 Dividends
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]
Total State
Income Tax Paid, State and Local Income And Franchise Tax, after Refund Received
Income Tax Paid, State and Local Income And Franchise Tax, after Refund Received
Failure to comply with applicable laws or regulations and changes in laws or regulations governing our operations may adversely affect our business or cause us to alter our business strategy [Member]
Failure to comply with applicable laws or regulations and changes in laws or regulations governing our operations may adversely affect our business or cause us to alter our business strategy [Member]
Class of Stock
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]
Statement [Table]
Statement [Table]
Total Unamortized Fee Income
Unamortized Fee Income
Unamortized Fee Income
Adjustments to reconcile net increase in net assets resulting from operations to net cash provided by (used in) operating activities:
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]
Cash flows provided by (used in) financing activities:
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]
September 2019 Notes [Member]
September 2019 Notes [Member]
Preferred Series C
Series C Preferred Stock [Member]
Undistributed net investment income (distributions in excess of investment income)
Net investment income
Net Investment Income [Member]
Net Investment Income
March 2026 B Notes
March Two Thousand Twenty Six B Notes [Member]
March two thousand twenty six b notes.
Promissory Notes
Promissory Notes [Member]
Promissory notes.
Schedule of Reconciliation Changes for Financial Assets and Liabilities Measured at Fair Value on Recurring Basis
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Unsecured Debt
Unsecured [Member]
Unsecured [Member]
All Adjustments to Compensation
All Adjustments to Compensation [Member]
Thereafter
Lessee Operating Lease Liability Payments Due After Year Three
Lessee Operating Lease Liability Payments Due After Year Three
Cost Approach
Valuation, Cost Approach [Member]
Amendment Flag
Sales
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Sales
Termination Date
Trading Arrangement Termination Date
Insider Trading Policies and Procedures Adopted
Insider Trading Policies and Procedures Adopted [Flag]
Derivative Instruments
Derivative Instrument [Member]
Derivative Instrument [Member]
Proceeds from the sale of debt investments
Proceeds From The Sale Of Debt Investments
Proceeds From The Sale Of Debt Investments
Receivable [Domain]
Receivable [Domain]
Share-Based Payment Arrangement, Tranche Three
Share-Based Payment Arrangement, Tranche Three [Member]
Weighted-average discount rate
Operating Lease, Weighted Average Discount Rate, Percent
We are subject to risks associated with the current interest rate environment and changes in interest rates will affect our cost of capital, net investment income and the value of our investments [Member]
We are subject to risks associated with the current interest rate environment and changes in interest rates will affect our cost of capital, net investment income and the value of our investments [Member]
Investment Income Recognition
Revenue Recognition, Dividends [Policy Text Block]
Dividends Payable [Table]
Dividends Payable [Table]
Deferred obligation contingent on funding or other milestone
Deferred receivable related to expired commitments
Deferred Fees [Member]
Deferred Fees [Member]
Number of publicly traded companies
Number Of Publicly Traded Companies
Number of publicly traded companies.
Basic (in shares)
Basic weighted average common shares outstanding (in shares)
Weighted average common shares outstanding (in shares)
Weighted Average Number of Shares Outstanding, Basic
Investment Company, Financial Highlights [Roll Forward]
Investment Company, Financial Highlights [Roll Forward]
Schedule of Basic and Diluted Earnings Per Share
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Lease and License Obligations
Lease And License Obligations [Member]
Lease and license obligations.
Derivatives, gain (loss) value
Derivative Asset, Gross Asset Including Not Subject to Master Netting Arrangement
Subsequent Events [Abstract]
Subsequent Events [Abstract]
Debt Disclosure [Abstract]
Debt Disclosure [Abstract]
Dividends, number of quarterly distributions
Dividends, Number Of Quarterly Distributions
Dividends, Number Of Quarterly Distributions
Total Earnings (loss), net of total distributions
Undistributed Earnings (Loss) Available to Common Shareholders, Basic
SBA Debentures Issued on January 21, 2022
S B A Debentures Issued On January Twenty One Two Thousand And Twenty Two [Member]
SBA debentures issued on january twenty one, two thousand and twenty two.
Gross Additions
Gross C A Additions
Gross C A additions.
Securitized Credit Facility With Wells Fargo Capital Finance [Member]
Securitized Credit Facility With Wells Fargo Capital Finance [Member]
Forgone Recovery due to Expense of Enforcement, Amount
Forgone Recovery due to Expense of Enforcement, Amount
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Common stock, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share
Consolidated Entities
Consolidated Entities [Axis]
A Downgrade, Suspension, Or Withdrawal Of The Credit Rating Assigned By A Rating Agency To Us Or Our Debt Securities [Member]
A downgrade, suspension, or withdrawal of the credit rating assigned by a rating agency to us or our debt securities, if any, or change in the debt markets could cause the liquidity or market value of our debt securities to decline significantly.
Stockholders may incur dilution if we sell shares of common stock in one or more offerings at prices below then current NAV per share of common stock or issue securities to subscribe to, convert to or purchase shares of our common stock [Member]
Stockholders may incur dilution if we sell shares of our common stock in one or more offerings at prices below the then current NAV per share of our common stock or issue securities to subscribe to, convert to or purchase shares of our common stock [Member]
Media/Content/Info
Media Content Info [Member]
Media content info member.
Technological innovations and industry disruptions, including those related to artificial intelligence and machine learning, may negatively impact us. [Member]
Technological innovations and industry disruptions, including those related to artificial intelligence and machine learning, may negatively impact us.
Contractual interest income
Contractual Interest Income [Member]
Contractual Interest Income [Member]
Distributable Earnings
Distributable Earnings (Loss) [Member]
Distributable Earnings (Loss) [Member]
Repayments
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements
Distributions paid
Dividend income
Payments of Dividends
Schedule of Investment Collateral
Fair Value, Concentration of Risk [Table Text Block]
Distribution Type
Dividends Payable, Nature
Base Dividend Q1 2023
O 2023 Q1 Dividends [Member]
O 2023 Q1 Dividends
Subsequent Events
Subsequent Events [Text Block]
Insider Trading Arrangements [Line Items]
Equity Investments
Equity Securities [Member]
Total liabilities
Liabilities
Antidilutive Securities, Name
Antidilutive Securities, Name [Domain]
Pension Adjustments Prior Service Cost
Pension Adjustments Prior Service Cost [Member]
Material Terms of Trading Arrangement
Material Terms of Trading Arrangement [Text Block]
We may not have the funds or ability to make additional investments in our portfolio companies [Member]
We may not have the funds or ability to make additional investments in our portfolio companies [Member]
If an active trading market for the March 2026 A Notes, March 2026 B Notes, September 2026 Notes, January 2027 Notes, 2028 Convertible Notes, June 2030 Notes, or 2031 Asset-Backed Notes [Member]
If an active trading market for the March 2026 A Notes, March 2026 B Notes, September 2026 Notes, January 2027 Notes, 2028 Convertible Notes, June 2030 Notes, or 2031 Asset-Backed Notes does not develop, holders could be unable to resell them.
Failure In Cyber Security Systems, As Well As The Occurrence Of Events Unanticipated In Our Disaster Recovery Systems And Business Continuity Planning Could Impair Our Ability To Conduct Business [Member]
The failure in cyber security systems, as well as the occurrence of events unanticipated in our disaster recovery systems and management continuity planning could impair our ability to conduct business effectively.
Public offering, net of offering expenses
Proceeds from issuance of shares
Stock Issued During Period, Value, New Issues
We may not realize gains from our equity or warrant investments [Member]
We may not realize gains from our equity or warrant investments [Member]
Capital markets may experience periods of disruption and instability in the future. These market conditions, when they occur, may materially and adversely affect debt and equity capital markets in the [Member]
Capital markets may experience periods of disruption and instability in the future. These market conditions, when they occur, may materially and adversely affect debt and equity capital markets in the United States and abroad, which may have a negative impact on our business and operations.
Total investment income
Amount of Interest and Fees Credited to Income
Gross Investment Income, Operating
Rent expense
Rent Expense Total
Total rent expense, including short-term leases.
Entity Incorporation, State or Country Code
Non-NEOs
Non-NEOs [Member]