Class of Stock [Axis]
Common Stock, par value $0.01 per share
6.00% Notes due 2026
Investment Type [Axis]
Non Controlled Non Affiliate Investments [Member]
Non Controlled Affiliate Investments [Member]
Controlled Investments [Member]
Investments [Member]
Debt Instrument [Axis]
Convertible Notes Payable [Member]
Asset Class [Axis]
6.00% Convertible Senior Notes [Member]
6.50% Convertible Senior Notes [Member]
Consolidated Entities [Axis]
Non-Controlled/Non-Affiliate [Member]
Legal Entity [Axis]
ARK Type One Deep Ventures Fund LLC [Member]
Class A Interest [Member]
Whoop, Inc. [Member]
Series C Preferred Stock [Member]
Simple Agreement for Future Equity [Member]
Blink Health, Inc. [Member]
Series A Preferred Stock [Member]
Canva, Inc. [Member]
Common Stock [Member]
Learneo, Inc. (f/k/a Course Hero, Inc.) [Member]
Preferred shares, Series A 8% [Member]
Series C Preferred Stock 8% [Member]
CW Opportunity 2 LP [Member]
IH10, LLC [Member]
Membership Interest [Member]
Locus Robotics Corp. [Member]
Series F Preferred Stock 6% [Member]
Supplying Demand Inc [Member]
Series F-1 Preferred Stock [Member]
Series F Convertible Note 4.12 Percent [Member]
Shogun Enterprises Inc [Member]
Preferred Shares, Series B-1 [Member]
Preferred Shares, Series B-2 [Member]
Preferred Shares, Series B-3 [Member]
Preferred Shares, Series B-4 [Member]
Common Warrants, Strike Price $0.01, Expiration Date 7/12/2026 [Member]
FourKites, Inc. [Member]
Neutron Holdings, Inc. (d/b/a/ Lime) [Member]
Junior Preferred Stock Series 1-D [Member]
Junior Preferred Convertible Note 4% Due 5/11/2027 [Member]
Common Warrants Strike Price $0.01 Expiration Date 5/11/2027 [Member]
Plaid Inc [Member]
GrabAGun Digital Holdings Inc. [Member]
Common Warrants, Strike Price $11.50, Expiration Date 7/15/2030 [Member]
PayJoy, Inc. [Member]
True Global Ventures 4 Plus Pte Ltd [Member]
Limited Partner Fund Investment [Member]
HL Digital Assets Inc. [Member]
Preferred Shares [Member]
Xgroup Holdings Inc DBAX Point [Member]
Preferred shares, Series A-1 [Member]
Series A-1 Warrants [Member]
Series A Warrants [Member]
Varo Money, Inc. [Member]
Stake Trade, Inc. (d/b/a Prophet Exchange) [Member]
Preferred Shares Series B IV [Member]
Aventine Property Group, Inc. [Member]
Residential Homes for Rent, LLC (d/b/a Second Avenue) [Member]
Orchard Technologies, Inc. [Member]
Series D Preferred Stock 8% [Member]
Senior Preferred Shares, Series 2 8% [Member]
Senior Preferred Shares, Series 1 7% [Member]
EDGE Markets, Inc. [Member]
Preferred Stock, Series Seed [Member]
Skillsoft Corp. [Member]
PSQ Holdings, Inc. (d/b/a PublicSquare) [Member]
Common warrants, Strike Price $11.50, Expiration Date 7/19/2028 [Member]
Kinetiq Holdings, LLC [Member]
Common Class A [Member]
Trax Ltd. [Member]
Preferred Stock Investec Series [Member]
CTN Holdings, Inc. (d/b/a Catona Climate, f/k/a Aspiration Partners, Inc.) [Member]
Preferred shares, Series C-3 [Member]
Fullbridge, Inc. [Member]
Promissory Note 1.47%, Due 11/9/2021 [Member]
Treehouse Real Estate Investment Trust, Inc. [Member]
Non-Controlled Affiliate [Member]
StormWind, LLC [Member]
Preferred shares, Series B 8% [Member]
Commercial Streaming Solutions Inc. (d/b/a BettorView) [Member]
Maven Research, Inc. [Member]
Series B Preferred Stock [Member]
Curious.com, Inc. [Member]
Portfolio Investments [Member]
Membership Interest Class A [Member]
ServiceTitan, Inc [Member]
CoreWeave, Inc. [Member]
Shogun Enterprises, Inc. (d/b/a Hearth) [Member]
Common Warrants, Strike Price $0.01, Expiration Date 7/12/2026 [Member]
Xgroup Holdings Limited (d/b/a Xpoint) [Member]
Forge Global, Inc.[Member]
Rebric, Inc. (d/b/a Compliable) [Member]
Preferred Stock Series Seed-4 [Member]
Controlled [Member]
Colombier Sponsor II LLC [Member]
Class B Units [Member]
Class W Units [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Axis]
Non-Qualifying Assets [Member]
Investment, Name [Axis]
GCL [Member]
SuRo Capital Sports, LLC ("SuRo Sports") [Member]
1789 Capital Nirvana II LP [Member]
SRCI Advisors LLC [Member]
Taxable Subsidiaries [Member]
GSVC AE Holdings, Inc. ("GAE") [Member]
GSVC AV Holdings, Inc. ("GAV") [Member]
GSVC SW Holdings, Inc. ("GSW") [Member]
GSVC SVDS Holdings, Inc. ("SVDS") [Member]
Churchill Sponsor VII LLC [Member]
Related and Nonrelated Parties [Axis]
Private Portfolio Companies [Member]
Preferred Stock [Member]
Options Held [Member]
Debt Investments [Member]
Publicly Traded Portfolio Companies [Member]
Industry Sector [Axis]
Northeast [Member]
West [Member]
Midwest [Member]
Southeast [Member]
International [Member]
Artificial Intelligence [Member]
Consumer Goods & Services [Member]
Software As A Service [Member]
Education Technology [Member]
Financial Technology & Services [Member]
Logistics & Supply Chain [Member]
SuRo Capital Sports [Member]
Fair Value Hierarchy and NAV [Axis]
Fair Value, Inputs, Level 1 [Member]
Fair Value, Inputs, Level 2 [Member]
Fair Value, Inputs, Level 3 [Member]
Preferred Stock in Private Companies [Member]
Valuation Approach and Technique [Axis]
Valuation, Market Approach [Member]
Measurement Input Type [Axis]
Measurement Input, Revenue Multiple [Member]
Statistical Measurement [Axis]
Minimum [Member]
Maximum [Member]
Weighted Average [Member]
Measurement Input Precedent Transaction [Member]
PWERM [Member]
Dissolution Risk [Member]
Precedent Transaction [Member]
Common Stock in Private Companies [Member]
PWERM One [Member]
AFFO [Member]
Measurement Input Dissolution Risk [Member]
Options [Member]
Valuation Technique, Option Pricing Model [Member]
Measurement Input, Expected Term [Member]
Measurement Input, Option Volatility [Member]
Options One [Member]
Measurement Input Option Precedent Transaction [Member]
Equity Components [Axis]
Convertible Note [Member]
Series A1 Preferred Stock [Member]
Interactive Media and Services [Member]
Knowledge Networks [Member]
Preferred Shares, Series D 8% [Member]
Interactive Learning [Member]
Preferred Shares, Series C 8% [Member]
Preferred Shares, Series B 8% [Member]
Preferred Shares, Series A 8% [Member]
Online Education [Member]
SPBRX Inc [Member]
Architect Capital PayJoy SPV, LLC [Member]
OneValley, Inc. [Member]
OneValley, Inc. (f/k/a NestGSV, Inc) [Member]
Global Innovation Platform [Member]
Derivative Security [Member]
PSQ Holdings Inc [Member]
E-Commerce Market Place [Member]
Share Repurchase Program [Member]
At-the-Market Sales Agreement [Member]
Finite-Lived Intangible Assets by Major Class [Axis]
ATM [Member]
Magnetar Opportunity 2025-4 LP [Member]
Income Tax Jurisdiction [Axis]
Domestic Tax Jurisdiction [Member]
Tax Jurisdiction [Member]
Federal Blocker Corporation [Member]
State and Local Jurisdiction [Member]
Geographical [Axis]
UNITED STATES
6.00% Notes due 2026 [Member]
Sale of Stock [Axis]
Over-Allotment Option [Member]
Note Repurchase Program [Member]
6.50% Notes due 2029 [Member]
6.50% Convertible Notes Due 2029 [Member]
Scenario [Axis]
Amended and Restated 2019 Equity Incentive Plan [Member]
Title and Position [Axis]
Non Employee Director [Member]
Award Type [Axis]
Restricted Stock [Member]
Plan Name [Axis]
2024 Equity Incentive Plan [Member]
Officers [Member]
Subsequent Event Type [Axis]
Subsequent Event [Member]
Business Combination [Axis]
Statement [Table]
Statement [Line Items]
Document Type
Amendment Flag
Amendment Description
Document Registration Statement
Document Annual Report
Document Quarterly Report
Document Transition Report
Document Shell Company Report
Document Shell Company Event Date
Document Period Start Date
Document Period End Date
Document Fiscal Period Focus
Document Fiscal Year Focus
Current Fiscal Year End Date
Entity File Number
Entity Registrant Name
Entity Central Index Key
Entity Primary SIC Number
Entity Tax Identification Number
Entity Incorporation, State or Country Code
Entity Address, Address Line One
Entity Address, Address Line Two
Entity Address, Address Line Three
Entity Address, City or Town
Entity Address, State or Province
Entity Address, Country
Entity Address, Postal Zip Code
Country Region
City Area Code
Local Phone Number
Extension
Written Communications
Soliciting Material
Pre-commencement Tender Offer
Pre-commencement Issuer Tender Offer
Title of 12(b) Security
No Trading Symbol Flag
Trading Symbol
Security Exchange Name
Title of 12(g) Security
Security Reporting Obligation
Annual Information Form
Audited Annual Financial Statements
Entity Well-known Seasoned Issuer
Entity Voluntary Filers
Entity Current Reporting Status
Entity Interactive Data Current
Entity Filer Category
Entity Small Business
Entity Emerging Growth Company
Elected Not To Use the Extended Transition Period
Document Accounting Standard
Other Reporting Standard Item Number
Entity Shell Company
Entity Public Float
Entity Bankruptcy Proceedings, Reporting Current
Entity Common Stock, Shares Outstanding
Documents Incorporated by Reference [Text Block]
ICFR Auditor Attestation Flag
Document Financial Statement Error Correction [Flag]
Entity Listing, Par Value Per Share
Auditor Firm ID
Auditor Opinion [Text Block]
Auditor Name
Auditor Location
Schedule of Investments [Table]
Schedule of Investments [Line Items]
ASSETS
Investments at fair value:
Total Investments (cost of $240,825,785 and $256,809,654, respectively)
Cash
Restricted cash
Escrow proceeds receivable
Interest and dividends receivable
Deferred financing costs
Prepaid expenses and other assets
Total Assets
LIABILITIES
6.00% Notes due December 30, 2026
6.50% Convertible Notes due August 14, 2029
Accounts payable and accrued expenses
Dividends payable
Total Liabilities
Commitments and contingencies (Notes 7 and 10)
Net Assets
NET ASSETS
Common stock, par value $0.01 per share (100,000,000 authorized; 25,377,756 and 23,601,566 issued and outstanding, respectively)
Paid-in capital in excess of par
Accumulated net investment loss
Accumulated net realized gain/(loss) on investments, net of distributions
Accumulated net unrealized appreciation/(depreciation) of investments
Net Assets
Net Asset Value Per Share
Investment cost
Common stock, par value
Common stock, shares authorized
Common stock, shares issued
Common stock, shares outstanding
Debt instrument interest rate
Debt instrument, maturity date
Debt instrument effective interest rate
Debt instrument face amount
Impairment Effects on Earnings Per Share [Table]
Impairment Effects on Earnings Per Share [Line Items]
INVESTMENT INCOME
Interest income
Dividend income
Interest income from U.S. Treasury bills
Total Investment Income
OPERATING EXPENSES
Compensation expense
Directors’ fees
Interest expense
Professional fees
Income tax expense
Other expenses
Total Operating Expenses
Net Investment Loss
Realized Gain/(Loss) on Investments:
Net Realized Gain/(Loss) on Investments
Realized loss on partial repurchase of 6.00% Notes due December 30, 2026
Change in Unrealized Appreciation/(Depreciation) of Investments:
Net Change in Unrealized Appreciation/(Depreciation) of Investments
Net Change in Net Assets Resulting from Operations
Net Change in Net Assets Resulting from Operations per Common Share:
Basic
Diluted
Weighted-Average Common Shares Outstanding
Basic
Diluted
Income Statement [Abstract]
Interest rate
Weighted average common shares outstanding for diluted, excluded
Change in Net Assets Resulting from Operations
Net investment loss
Net realized gain/(loss) on investments
Realized loss on partial repurchase
Net change in unrealized appreciation/(depreciation) of investments
Net Change in Net Assets Resulting from Operations
Distributions
Dividends declared
Total Distributions
Change in Net Assets Resulting from Capital Transactions
Issuance of common stock from public offering
Stock-based compensation
Repurchases of common stock
Net Change in Net Assets Resulting from Capital Transactions
Total Change in Net Assets
Net Assets at Beginning of Year
Net Assets at End of Year
Capital Share Activity
Shares outstanding at beginning of year
Issuance of common stock from public offering, shares
Issuance of common stock under restricted stock plan, shares
Shares repurchased
Balance, shares
Statement of Cash Flows [Abstract]
Cash Flows from Operating Activities
Net change in net assets resulting from operations
Adjustments to reconcile net change in net assets resulting from operations to net cash provided by operating activities:
Net realized (gain)/loss on investments
Net change in unrealized (appreciation)/depreciation of investments
Stock-based compensation
Amortization of discount on 6.00% Notes due 2026
Amortization of discount on 6.50% Convertible Notes due 2029
Adjustments to escrow proceeds receivable
Accrued interest on U.S. Treasury bills
Purchases of investments in:
Portfolio investments
U.S. Treasury bills
Proceeds from sales or maturity of investments in:
Portfolio investments
U.S. Treasury bills
Change in operating assets and liabilities:
Accounts payable and accrued expenses
Interest and dividends receivable
Escrow proceeds receivable
Prepaid expenses and other assets
Net Cash Provided by Operating Activities
Cash Flows from Financing Activities
Proceeds from the issuance of common stock, net
Gross proceeds from the issuance of 6.50% Convertible Notes due 2029
Deferred debt issuance costs
Repurchases of 6.00% Notes due 2026
Realized loss on partial repurchase of 6.00% Notes due 2026
Repurchases of common stock
Deferred financing costs
Cash dividends paid
Net Cash Used in Financing Activities
Total Increase/(Decrease) in Cash Balance
Cash and Restricted Cash Balance at Beginning of Year
Cash and Restricted Cash Balance at End of Year
Supplemental Information:
Interest paid
Taxes paid
Right of use asset obtained in exchange for operating lease liabilities
Short-Term Debt [Table]
Short-Term Debt [Line Items]
Debt instrument maturity date, description
Headquarters/Industry
Date of Initial Investment
Investment Owned, Cost
Investment Owned, Fair Value
Investment Owned, Net Assets, Percentage
Investment Owned, Balance, Principal Amount
Shares/Principal/Quantity
Investment owned, net assets, percentage
Management fee percentage
Incentive fee percentage
Preferred dividend, percentage
Hurdle rate percentage
Initial investment percentage
Retains investment percentage
Origination fee percentage
Pay vs Performance Disclosure [Table]
Executive Category [Axis]
Individual [Axis]
Adjustment to Compensation [Axis]
Measure [Axis]
Pay vs Performance Disclosure, Table
Company Selected Measure Name
Named Executive Officers, Footnote
Peer Group Issuers, Footnote
Changed Peer Group, Footnote
PEO Total Compensation Amount
PEO Actually Paid Compensation Amount
Adjustment To PEO Compensation, Footnote
Non-PEO NEO Average Total Compensation Amount
Non-PEO NEO Average Compensation Actually Paid Amount
Adjustment to Non-PEO NEO Compensation Footnote
Equity Valuation Assumption Difference, Footnote
Compensation Actually Paid vs. Total Shareholder Return
Compensation Actually Paid vs. Net Income
Compensation Actually Paid vs. Company Selected Measure
Total Shareholder Return Vs Peer Group
Compensation Actually Paid vs. Other Measure
Tabular List, Table
Total Shareholder Return Amount
Peer Group Total Shareholder Return Amount
Net Income (Loss)
Company Selected Measure Amount
Other Performance Measure, Amount
Adjustment to Compensation, Amount
PEO Name
Name
Non-GAAP Measure Description
Additional 402(v) Disclosure
Pension Benefits Adjustments, Footnote
Equity Awards Adjustments, Footnote
Erroneously Awarded Compensation Recovery [Table]
Restatement Determination Date [Axis]
Restatement Determination Date
Aggregate Erroneous Compensation Amount
Erroneous Compensation Analysis
Stock Price or TSR Estimation Method
Outstanding Aggregate Erroneous Compensation Amount
Aggregate Erroneous Compensation Not Yet Determined
Name
Forgone Recovery due to Expense of Enforcement, Amount
Forgone Recovery due to Violation of Home Country Law, Amount
Forgone Recovery due to Disqualification of Tax Benefits, Amount
Forgone Recovery, Explanation of Impracticability
Name
Compensation Amount
Restatement does not require Recovery
Awards Close in Time to MNPI Disclosures [Table]
Award Timing MNPI Disclosure
Award Timing Method
Award Timing Predetermined
Award Timing MNPI Considered
Award Timing, How MNPI Considered
MNPI Disclosure Timed for Compensation Value
Awards Close in Time to MNPI Disclosures, Table
Name
Underlying Securities
Exercise Price
Fair Value as of Grant Date
Underlying Security Market Price Change
Insider Trading Arrangements [Line Items]
Material Terms of Trading Arrangement
Name
Title
Rule 10b5-1 Arrangement Adopted
Non-Rule 10b5-1 Arrangement Adopted
Adoption Date
Rule 10b5-1 Arrangement Terminated
Non-Rule 10b5-1 Arrangement Terminated
Termination Date
Expiration Date
Arrangement Duration
Aggregate Available
Insider Trading Policies and Procedures [Line Items]
Insider Trading Policies and Procedures Adopted
Insider Trading Policies and Procedures Not Adopted
Cybersecurity Risk Management, Strategy, and Governance [Abstract]
Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]
Cybersecurity Risk Management Processes Integrated [Flag]
Cybersecurity Risk Management Processes Integrated [Text Block]
Cybersecurity Risk Management Third Party Engaged [Flag]
Cybersecurity Risk Third Party Oversight and Identification Processes [Flag]
Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]
Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block]
Cybersecurity Risk Board of Directors Oversight [Text Block]
Cybersecurity Risk Board Committee or Subcommittee Responsible for Oversight [Text Block]
Cybersecurity Risk Process for Informing Board Committee or Subcommittee Responsible for Oversight [Text Block]
Cybersecurity Risk Role of Management [Text Block]
Cybersecurity Risk Management Positions or Committees Responsible [Flag]
Cybersecurity Risk Management Positions or Committees Responsible [Text Block]
Cybersecurity Risk Management Expertise of Management Responsible [Text Block]
Cybersecurity Risk Process for Informing Management or Committees Responsible [Text Block]
Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag]
Material Cybersecurity Incident [Abstract]
Material Cybersecurity Incident Nature [Text Block]
Material Cybersecurity Incident Scope [Text Block]
Material Cybersecurity Incident Timing [Text Block]
Material Cybersecurity Incident Material Impact or Reasonably Likely Material Impact [Text Block]
Material Cybersecurity Incident Information Not Available or Undetermined [Text Block]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
NATURE OF OPERATIONS
Accounting Policies [Abstract]
SIGNIFICANT ACCOUNTING POLICIES
Related Party Transactions [Abstract]
RELATED-PARTY ARRANGEMENTS
Investments in and Advances to Affiliates [Abstract]
INVESTMENTS AT FAIR VALUE
Equity [Abstract]
COMMON STOCK
Earnings Per Share [Abstract]
NET CHANGE IN NET ASSETS RESULTING FROM OPERATIONS PER COMMON SHARE—BASIC AND DILUTED
Commitments and Contingencies Disclosure [Abstract]
COMMITMENTS AND CONTINGENCIES
Investment Company [Abstract]
FINANCIAL HIGHLIGHTS
Income Tax Disclosure [Abstract]
INCOME TAXES
Debt Disclosure [Abstract]
DEBT CAPITAL ACTIVITIES
Share-Based Payment Arrangement [Abstract]
STOCK-BASED COMPENSATION
Subsequent Events [Abstract]
SUBSEQUENT EVENTS
Quarterly Financial Information Disclosure [Abstract]
SELECTED QUARTERLY FINANCIAL DATA
SUPPLEMENTAL FINANCIAL DATA
Basis of Presentation
Basis of Consolidation
Segments
Use of Estimates
Uncertainties and Risk Factors
Investments at Fair Value
Securities Transactions
Valuation of Other Financial Instruments
Revenue Recognition
Investment Transaction Costs and Escrow Deposits
Unrealized Appreciation or Depreciation of Investments
U.S. Federal and State Income Taxes
Per Share Information
Recently Adopted Accounting Standards
Recently Issued Accounting Standards
SCHEDULE OF COMPANY’S SUBSIDIARIES
SCHEDULE OF DEFERRED FINANCING COSTS
SCHEDULE OF COMPOSITION OF INVESTMENT PORTFOLIO
SCHEDULE OF FAIR VALUE OF INVESTMENT VALUATION INPUTS
SCHEDULE OF FAIR VALUE OF ASSETS ON UNOBSERVABLE INPUT
SCHEDULE OF AGGREGATE VALUE OF ASSETS AND LIABILITIES
SCHEDULE OF INVESTMENTS IN AND ADVANCES TO AFFILIATES
SCHEDULE OF SHARES SOLD UNDER ATM PROGRAM
SCHEDULE OF BASIC AND DILUTED COMMON SHARE
SCHEDULE OF FUTURE MINIMUM PAYMENTS OF OPERATION LEASE
SCHEDULE OF FINANCIAL HIGHLIGHTS
SCHEDULE OF EFFECTIVE INCOME TAX RATE RECONCILIATION
SCHEDULE OF FEDERAL INCOME TAX
SCHEDULE OF AGGREGATE INCOME TAX
SCHEDULE OF PROVISION FOR INCOME TAXES
SCHEDULE OF RECLASSIFICATION OF BOOK/TAX DIFFERENCES
SCHEDULE OF TAX CHARACTER OF DISTRIBUTIONS
SCHEDULE OF COMPONENTS OF DISTRIBUTED EARNINGS ON A TAX BASIS
SCHEDULE OF RECONCILIATION FROM AGGREGATE PRINCIPAL AMOUNT OF 6.00% NOTES DUE 2026
SCHEDULE OF RECONCILIATION FROM AGGREGATE PRINCIPAL AMOUNT OF 6.50% CONVERTIBLE NOTES DUE 2029
SCHEDULE OF EQUITY INCENTIVE PLAN
SCHEDULE OF INVESTMENTS BY COMPANY
SCHEDULE OF INVESTMENTS
SCHEDULE OF QUARTERLY FINANCIAL DATA
Consolidation, Less-than-Wholly-Owned Subsidiary, Parent Ownership Interest, Effect of Change [Table]
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Jurisdiction of Incorporation
Formation Date
Percentage Owned
Deferred debt issuance costs
Total
Additional offering costs, rate
Description for deferred financing costs
Deferred financing costs
Escrow deposits
RelatedPartyTransactionsByRelatedPartyTable [Table]
RelatedPartyTransactionsLineItems [Line Items]
Realized investment gains (losses)
Investment owned at fair value
Investments in and Advances to Affiliates [Line Items]
Investment at Cost
Percentage of Net Assets
Percentage of Portfolio
Platform Operator, Crypto Asset [Table]
Platform Operator, Crypto Asset [Line Items]
Investment at fair value
Fair Value
Valuation Approach/ Technique
Unobservable Inputs
Range (Weighted Average)
Fair Value, Beginning balance
Transfers out of Level 3
Purchases, capitalized fees and interest
Sales/Redemptions of investments
Exercises and conversions
Realized gains/(losses)
Net change in unrealized appreciation/(depreciation) included in earnings
Fair Value, Ending balance
Net change in unrealized appreciation/ (depreciation) of Level 3 investments still held
Sales/Redemptions of investments
Convertible note percentage
Fair Value of Investments, Beginning balance
Transfer In (Out)
Unrealized Gains/(Losses)
Fair Value of Investments, Ending balance
Sales/Redemptions
Interest, Fees, or Dividends Credited in Income
Purchases and Capitalized Fees
Number of positions
Number of portfolio
Intangible Asset, Finite-Lived [Table]
Finite-Lived Intangible Assets [Line Items]
Number of shares sold
Gross proceeds received
Net proceeds received
Weighted average price per share
Accumulated Other Comprehensive Income (Loss) [Table]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Share repurchase
Repurchase of shares
Stock repurchase program, remaining authorized repurchase amount
Aggregate amount of shares
Percentage of sales price
Payment of commissions and expenses
Percentage of gross proceeds of commissions and expenses
Sale of shares
Debt securities
Net change in net assets resulting from operations
Weighted-average common shares–basic
Earnings per common share–basic
Net change in net assets resulting from operations
Adjustment for interest and amortization on 6.50% Convertible Notes due 2029
Net change in net assets resulting from operations, as adjusted
Adjustment for dilutive effect of 6.50% Convertible Notes due 2029
Weighted-average common shares outstanding–diluted
Earnings per common share–diluted
Convertible notes percentage
Weighted average number of shares outstanding, diluted, adjustment
2026
2027
2028
Total
Collaborative Arrangement and Arrangement Other than Collaborative [Table]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Loss contingency non binding
Operating lease liability
Operating lease liability
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]
Security deposit
Operating lease expense
Operating lease, remaining lease term
Operating lease, discount rate
Net asset value
Net investment loss
Net realized gain/(loss) on investments
Realized loss on partial repurchase of 6.00% Notes due December 30, 2026
Net change in unrealized appreciation/(depreciation) of investments
Dividends declared
Issuance of common stock from stock dividend
Issuance of common stock from public offering
Issuance of common stock from conversion of 4.75% Convertible Notes due 2023
Repurchase of common stock
Stock-based compensation
Net asset value at end of year
Per share market value at end of year
Total return based on market value
Total return based on net asset value
Average net assets
Ratio of net operating expenses to average net assets
Ratio of net investment loss to average net assets
Portfolio Turnover Ratio
Non-recurring expenses
Effective Income Tax Rate Reconciliation [Table]
Effective Income Tax Rate Reconciliation [Line Items]
U.S. federal statutory income tax, amount
U.S. federal statutory income tax, rate
Dividends-paid deduction / RIC qualification, amount
Dividends-paid deduction / RIC qualification, rate
State and local income taxes, net of federal benefit, amount
State and local income taxes, net of federal benefitl, rate
Blocker corporation income taxes (refund), amount
Blocker corporation income taxes (refund), rate
Nondeductible expenses and other, net, amount
Nondeductible expenses and other, net, rate
Effective Income tax expense, amount
Effective Income tax expense, rate
Total Cash Taxes Paid
Total Cash Taxes Paid
Federal
Federal - Blocker Corporation
State
Total Income Tax Expense from Continuing Operations
Capital in excess of par value
Accumulated undistributed net investment loss
Accumulated net realized gains from investments
Ordinary income
Long-term capital gain
Return of capital
Distributions on a tax basis
Undistributed ordinary loss
Accumulated net realized gains/(losses) on investments
Unrealized appreciation/(depreciation) on investments
Components of distributable earnings at year-end
Change in Unrecognized Tax Benefit, Reasonably Possible [Table]
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Investment gain percent
Nondeductible excise tax, percent
Income tax, description
Deferred tax liability
Tax cost of investments
Gross unrealized appreciation
Gross unrealized depreciation
Net unrealized appreciation (depreciation) on investments
Aggregate principal amount of 6.00% Notes due 2026
Direct deduction of deferred debt issuance costs
Total
Aggregate principal amount of 6.50% Convertible Notes due 2029
Total
Proceeds from debt
Debt instrument, issuance date
Debt instrument, interest rate
Debt instrument, frequency of periodic payment description
Debt instrument, notes redeem, description
Closing market price, per note
Debt instrument, fair value
Note repurchase program
Percentage of repurchase amount
Repurchase amount
Maturity date
Debt Conversion, Description
Cash dividend per share
Increase in interest rate
Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of restricted shares outstanding beginning
Number of shares granted
Number of shares vested
Number of shares forfeited
Number of restricted shares outstanding ending
Total number of shares vested
Number of shares authorized for issuance
Restricted shares grant value
Number of restricted shares vested
Stock-based compensation expense
Unrecognized compensation costs
Subsequent Event [Table]
Subsequent Event [Line Items]
Transaction date
Investments
Investment company, committed capital
Investment company, funded capital
Investment company, remaining commitment
Transaction Date
Quantity
Average Net Share Price
Net Proceeds
Common Stock, Capital Shares Reserved for Future Issuance
Total Investment Income
Total Operating Expenses
Net Investment Loss
Loss on Extinguishment of Debt
Net Increase/(Decrease) in Net Assets from Operations per Common Share:
Weighted Average Common Shares Outstanding–Basic
Weighted Average Common Shares Outstanding–Diluted
6.00% Notes due 2026
Common Stock, par value $0.01 per share
Non Controlled Non Affiliate Investments [Member]
Non Controlled Affiliate Investments [Member]
Controlled Investments [Member]
Escrow proceeds receivable.
Interest and dividends receivable.
Convertible notes.
Accumulated net investment loss.
Accumulated net realized gain on investments, net of distributions.
Accumulated net unrealized (depreciation) appreciation of investments.
Directors fees.
Realized investment gains losses repurchase.
Change in Unrealized Appreciation Depreciation of Investments [Abstract]
Weighted average number excluded from diluted shares outstanding.
Number of positions.
Dividends declared.
Share Repurchase Program [Member]
Stock issued during period values share based compensation gross.
Investment company capital share transactions.
Number of portfolio companies.
Stock repurchased for capital share activity.
At-the-Market Sales Agreement [Member]
Private Portfolio Companies [Member]
Percentage of sales price.
Realized investment gain (losses).
Amortization of convertible senior debt discount.
Debt Investments [Member]
Publicly Traded Portfolio Companies [Member]
Percentage of gross proceeds of commissions and expenses.
Adjustments to escrow proceeds receivable.
Schedule of Shares Sold Under ATM Program [Table Text Block]
Six Point Zero Zero Percentage Convertible Senior Notes [Member]
6.50% Convertible Senior Notes [Member]
6.00% Notes due 2026 [Member]
Accrued interest on U.S. Treasury bills.
Purchases of Investments [Abstract]
Purchases of portfolio investments.
Purchases of US Treasury Bills Investments.
Proceeds from sales or maturity of investments [Abstract]
Proceeds from sales or maturity of investments portfolio investments.
Proceeds from sales or maturity of investments U.S. Treasury Bills.
Increase decrease in escrow proceeds receivable.
Payments of deferred debt issuance costs.
Payments for repurchase on partial repurchase.
ATM [Member]
Closing market price per note
Income (Loss) from continuing operations diluted.
Adjustment for interest and amortization.
Convertible notes percentage.
Debt instrument repurchase percentage.
Debt instrument repurchased and retired amount.
Net change in net assets resulting from operations as adjusted diluted.
Adjustment for dilutive effect.
Note Repurchase Program [Member]
Weighted average number of diluted shares outstanding excluding potentially dilutive common shares.
Earnings per share diluted excluding potentially dilutive common shares.
6.50% Notes due 2029 [Member]
6.50% Convertible Notes Due 2029 [Member]
Investment Industry Description.
Date of Initial Investment.
Non-Controlled/Non-Affiliate [Member]
CW Opportunity 2 LP [Member]
Membership Interest Class A [Member]
ARK Type One Deep Ventures Fund LLC [Member]
Class A Interest [Member]
Whoop, Inc. [Member]
Simple Agreement For Future Equity [Member]
Amended and Restated 2019 Equity Incentive Plan [Member]
Non Employee Director [Member]
2024 Equity Incentive Plan [Member]
Officers [Member]
Blink Health Inc [Member]
Share based compensation arrangement by share based payment award other than options vestedand expected to vest outstanding number.
Canva, Inc. [Member]
Learneo, Inc. (f/k/a Course Hero, Inc.) [Member]
Preferred shares, Series A 8% [Member]
Series C Preferred Stock 8% [Member]
Realized loss on partial repurchase.
Northeast [Member]
Midwest [Member]
West [Member]
Southeast [Member]
International [Member]
IH10, LLC [Member]
Membership Interest [Member]
Locus Robotics Corp. [Member]
Series F Preferred Stock 6% [Member]
Supplying Demand Inc [Member]
Series F-1 Preferred Stock [Member]
Series F Convertible Note 4.12 Percent [Member]
Shogun Enterprises Inc [Member]
Preferred shares, Series B-1 [Member]
Preferred Shares, Series B-2 [Member]
Preferred Shares, Series B-3 [Member]
Preferred Shares, Series B-4 [Member]
Common Warrants Strike Price Zero Point Zero One Expiration Two Thousand Twenty Six [Member]
FourKites, Inc. [Member]
Neutron Holdings, Inc. (d/b/a/ Lime) [Member]
Junior Preferred Stock Series 1-D [Member]
Junior Preferred Convertible Note Four Percentage Due Two Thousand Twenty Seven [Member]
Common Warrants Strike Price Zero Point Zero One Expiration Two Thousand Twenty Seven [Member]
Plaid Inc [Member]
GrabAGun Digital Holdings Inc. [Member]
Common Warrants, Strike Price $11.50, Expiration Date 7/15/2030 [Member]
Investment owned percent of investment portfolio.
True Global Ventures 4 Plus Pte Ltd [Member]
Limited Partner Fund Investment [Member]
Education Technology [Member]
Artificial Intelligence [Member]
Consumer Goods & Services [Member]
Software As A Service [Member]
Financial Technology & Services [Member]
Logistics & Supply Chain [Member]
SuRo Capital Sports [Member]
PayJoy, Inc. [Member]
HL Digital Assets Inc. [Member]
Preferred Shares [Member]
Xgroup Holdings Limited (d/b/a Xpoint) [Member]
Preferred shares, Series A-1 [Member]
Xgroup Holdings Inc DBAX Point [Member]
Series A-1 Warrants [Member]
Series A Warrants [Member]
Investment company, unrealized investment income (loss) from operations, per share.
Investment company unrealized investment dividends declared.
Investment company unrealized investment issuance of common stock from public offering.
Investment company conversion unit per share.
Varo Money Inc. [Member]
Investment company repurchase per share.
Investment company share based compensation arrangement by share based payment.
Market value, value per share.
Investment company total return based on market value.
Stake Trade, Inc. (d/b/a Prophet Exchange) [Member]
Preferred Shares Series B IV [Member]
Average net asset.
Investment company turnover ratio after incentive allocation.
Aventine Property Group, Inc. [Member]
Residential Homes for Rent, LLC (d/b/a Second Avenue) [Member]
Orchard Technologies, Inc. [Member]
Series D Preferred Stock 8% [Member]
Senior Preferred Shares, Series 2 8% [Member]
Senior Preferred Shares, Series 1 7% [Member]
EDGE Markets, Inc. [Member]
Preferred Stock, Series Seed [Member]
Skillsoft Corp. [Member]
PSQ Holdings, Inc. (d/b/a PublicSquare) [Member]
Common warrants, Strike Price $11.50, Expiration Date 7/19/2028 [Member]
Kinetiq Holdings, LLC [Member]
Trax Ltd. [Member]
Preferred Stock Investec Series [Member]
Preferred Stock in Private Companies [Member]
Valuation technique and input description.
Unobservation input description.
PWERM [Member]
Measurement Input Precedent Transaction [Member]
Dissolution Risk [Member]
CTN Holdings, Inc. (d/b/a Catona Climate, f/k/a Aspiration Partners, Inc.) [Member]
Preferred shares, Series C-3 [Member]
Precedent Transaction [Member]
Common Stock in Private Companies [Member]
Fullbridge, Inc. [Member]
Promissory Note 1.47% [Member]
Treehouse Real Estate Investment Trust, Inc. [Member]
AFFO [Member]
PWERM One [Member]
Non-Controlled Affiliate [Member]
StormWind, LLC [Member]
Preferred shares, Series B 8% [Member]
Commercial Streaming Solutions Inc. (d/b/a BettorView) [Member]
Maven Research, Inc. [Member]
Portfolio Investments [Member]
Curious.com, Inc. [Member]
Non-Qualifying Assets [Member]
Measurement Input Dissolution Risk [Member]
Incentive fee percentage.
Hurdle rate percentage.
Initial investment percentage.
Retains investment percentage.
Management fee percentage.
Options [Member]
Income tax reconciliation dividends paid deduction RIC qualification.
ServiceTitan Inc [Member]
Effective income tax rate reconciliation dividends paid deduction RIC qualification rate.
CoreWeave, Inc. [Member]
Shogun Enterprises, Inc. (d/b/a Hearth) [Member]
Options One [Member]
Common Warrants, Strike Price $0.01, Expiration Date 7/12/2026 [Member]
Income tax reconciliation blocker corporation income taxes refund.
Income tax reconciliation blocker corporation income taxes refund rate.
Measurement Input Option Precedent Transaction [Member]
Schedule of Reclassification of Book Tax Differences [Table Text Block]
Capital in excess of par value.
Forge Global, Inc.[Member]
Rebric, Inc. (d/b/a Compliable) [Member]
Preferred Stock Series Seed Four [Member]
Transfers.
Fair value measurement with unobservable inputs reconciliation recurring basis exercises and conversions.
Schedule of Tax Character of Distributions [Table Text Block]
Fair value assets measured on recurring basis change in unrealized gain loss.
Fair value assets measured on recurring basis still held unrealized gain loss.
Investment company ordinary income.
Long term capital gain.
Investment company investment income net.
Convertible note percentage.
Convertible Note [Member]
Controlled [Member]
Colombier Sponsor II LLC [Member]
Class B Units [Member]
Class W Units [Member]
Investments company distributable earnings.
Schedule of Subsidiaries of Company [Table Text Block]
GCL [Member]
SuRo Capital Sports, LLC ("SuRo Sports") [Member]
1789 Capital Nirvana II LP [Member]
SRCI Advisors LLC [Member]
Taxable Subsidiaries [Member]
GSVC AE Holdings, Inc. ("GAE") [Member]
GSVC AV Holdings, Inc. ("GAV") [Member]
GSVC SW Holdings, Inc. ("GSW") [Member]
GSVC SVDS Holdings, Inc. ("SVDS") [Member]
Investment company issuance offering per share.
Uncertainties and Risk Factors [Policy Text Block]
Additional offering costs percentage.
Description for deferred financing costs.
Schedule of Deferred Financing Costs [Table Text Block]
Investment Transaction Costs and Escrow Deposits [Policy Text Block]
Unrealized Appreciation Or Depreciation of Investments [Policy Text Block]
Recently Adopted Accounting Standards [Policy Text Block]
Churchill Sponsor VII LLC [Member]
Transfer of in and out investments.
Federal Blocker Corporation [Member]
Series A1 Preferred Stock [Member]
Interactive Media and Services [Member]
Knowledge Networks [Member]
Preferred Shares, Series D 8% [Member]
Interactive Learning [Member]
Preferred Shares, Series C 8% [Member]
Preferred Shares, Series B 8% [Member]
Preferred Shares, Series A 8% [Member]
Online Education [Member]
SPBRX Inc [Member]
Schedule of Income Tax Aggregate Value [Table Text Block]
Architect Capital PayJoy SPV, LLC [Member]
OneValley, Inc. [Member]
OneValley, Inc. (f/k/a NestGSV, Inc) [Member]
Global Innovation Platform [Member]
Derivative Security [Member]
PSQ Holdings Inc [Member]
E-Commerce Market Place [Member]
Total Cash Taxes Paid.
Loss contingency nonbinding
Investment Agreements [Member]
Non recurring expense.
Series 1 Preferred Stock [Member]
Magnetar Opportunity 2025-4 LP [Member]
Class A Interests [Member]
Schedule Of Investments [Table Text Block]
Nextdoor Holdings, Inc. [Member]
Number of shares quantity.
Investment company remaining committed capital
Tax Jurisdiction [Member]
Right of use asset obtained in exchange for operating lease liabilities.
Magnetar Opportunity [Member]
Investment company funded capital
Origination fee percentage
Payments for repurchase of notes
Assets
Liabilities
Common Warrants, Strike Price $0.01, Expiration Date 7/12/2026 [Member] [Default Label]
Net Assets
Equity, Including Portion Attributable to Noncontrolling Interest
Investment Income, Interest and Dividend
InvestmentCompanyDividendDeclared
Investment Company, Dividend Distribution
Stock Repurchased During Period, Value
Shares, Outstanding
RealizedInvestmentGainLosses
AccruedInterestOnUSTreasuryBills
PurchasesOfPortfolioInvestments
PurchasesOfUSTreasuryBillsInvestments
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Increase (Decrease) in Interest and Dividends Receivable
IncreaseDecreaseInEscrowProceedsReceivable
Increase (Decrease) in Prepaid Expense and Other Assets
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation
PaymentsOfDeferredDebtIssuanceCosts
PaymentsForRepurchaseOfNotes
PaymentsForRepurchaseOnPartialRepurchase
Payments for Repurchase of Common Stock
Payments of Financing Costs
Payments of Dividends
Cash Provided by (Used in) Financing Activity, Including Discontinued Operation
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation
Forgone Recovery, Individual Name
Outstanding Recovery, Individual Name
Awards Close in Time to MNPI Disclosures, Individual Name
Trading Arrangement, Individual Name
Debt Issuance Costs, Net
Debt Issuance Costs, Current, Net
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Sales
Investments in and Advances to Affiliates, at Fair Value, Gross Reductions
IncomeLossFromContinuingOperationsDiluted
Lessee, Operating Lease, Liability, to be Paid
Operating Lease, Liability, Current
Investment Company, Gain (Loss) on Investment, Per Share
RealizedLossOnPartialRepurchase
Investment company issuance offering per share
InvestmentCompanyShareBasedCompensationArrangementByShareBasedPayment
MarketValueValuePerShare
Effective Income Tax Rate Reconciliation, Percent
Federal, State, and Local, Income Tax Expense (Benefit), Continuing Operations
Accumulated Amortization, Debt Issuance Costs
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period