Debt Instrument, Name [Domain] The information pertaining to Common Stock 1. Common Stock 1 [Member] The information pertaining to Preferred Stock 1. Preferred Stock 1 [Member] The information pertaining to Subscription Rights Member. Subscription Rights [Member] Warrants [Member] Warrants [Member] Units Member. Units [Member] Revolving Credit Facility [Member] Revolving Fund Facility [Member]. Revolving Fund Facility [Member] SMBC Funding Facility [Member] SMBC Funding Facility [Member] BNP Funding Facility [Member]. BNP Funding Facility [Member] SBA Debentures [Member]. SBA Debentures [Member] April 2036 Collateralized Loan Obligation Notes [Member]. April 2036 Collateralized Loan Obligation Notes [Member] April 2036 CLO Notes [Member] October 2036 Collateralized Loan Obligation Secured Loans [Member]. October 2036 Collateralized Loan Obligation Secured Loans [Member] October 2036 CLO Secured Loans [Member] January 2038 Collateralized Loan Obligation Notes [Member]. January 2038 Collateralized Loan Obligation Notes [Member] January 2038 CLO Notes [Member] Convertible Notes 2017 [Member]. Convertible Notes 2017 [Member] Convertible Notes 2018 [Member]. Convertible Notes 2018 [Member] Convertible Notes 2019 [Member]. Convertible Notes 2019 [Member] Convertible Notes 2022 [Member]. Convertible Notes 2022 [Member] Convertible Notes 2024 [Member]. Convertible Notes 2024 [Member] Notes 2018 [Member]. Notes 2018 [Member] Notes 2020 [Member]. Notes 2020 [Member] Notes 2022 [Member]. Notes 2022 [Member] October 2022 Notes [Member]. October 2022 Notes [Member] Notes 2023 [Member]. Notes 2023 [Member] The information pertaining to June 2024 notes. June 2024 Notes [Member] March 2025 Notes [Member]. March 2025 Notes [Member] July 2025 Notes [Member]. July 2025 Notes [Member] January 2026 Notes [Member]. January 2026 Notes [Member] July 2026 Notes [Member]. July 2026 Notes [Member] January 2027 Notes [Member]. January 2027 Notes [Member] June 2027 Notes [Member]. June 2027 Notes [Member] The information pertaining to June 2028 Notes. June 2028 Notes [Member] The information pertaining to March 2029 Notes. March 2029 Notes [Member] The information pertaining to July 2029 Notes. July 2029 Notes [Member] The information pertaining to September 2030 Notes. September 2030 Notes [Member] The information pertaining to January 2031 Notes. January 2031 Notes [Member] The information pertaining to April 2031 Notes. April 2031 Notes [Member] The information pertaining to November 2031 Notes. November 2031 Notes [Member] The information pertaining to March 2032 notes. March 2032 Notes [Member] Notes 2047 [Member]. Notes 2047 [Member] The Notes will be unsecured and therefore will be effectively subordinated to any secured indebtedness we have currently incurred or may incur in the future. Notes Will be Unsecured and Therefore Will be Effectively Subordinated to Any Secured Indebtedness Currently Incurred or May Incur in Future [Member] The Notes will be structurally subordinated to the indebtedness and other liabilities of our subsidiaries. Notes Will be Structurally Subordinated to Indebtedness and Other Liabilities of Subsidiaries [Member] The indenture will contain limited protection for holders of the Notes. Indenture will Contain Limited Protection for Holders of Notes [Member] May not be able to repurchase the Notes upon a Change of Control Repurchase Event. May Not be Able to Repurchase Notes upon a Change of Control Repurchase Event [Member] Risk of reselling the Notes if an active trading market does not develop for Notes. Risk of Reselling the Notes if an Active Trading Market Does Not Develop for Notes [Member] Any downgrade or withdrawal of the rating assigned by a rating agency to the Notes may cause their trading price to fall. Downgrade or Withdrawal of Rating Assigned by a Rating Agency to the Notes may Cause Their Trading Price to Fall [Member] The credit ratings may not reflect all risks of an investment in the Notes. Credit Ratings May Not Reflect all Risks of an Investment in the Notes [Member] The Notes will initially be held in book-entry form, holders of the Notes must rely on DTC's procedures to exercise their rights and remedies. Notes Will Initially be Held in Book-Entry Form, Holders of Notes Must Rely on DTC’s Procedures to Exercise their Rights and Remedies [Member] Investors In Offerings Of Common Stock Will Likely Incur Immediate Dilution Upon The Closing Of Such Offering [Member] Investors In Offerings Of Our Common Stock Will Likely Incur Immediate Dilution Upon The Closing Of Such Offering [Member] Interest may be diluted not fully exercise subscription rights in any rights offering if subscription price is less than our net asset value per share. Interest May Be Diluted Not Fully Exercise Subscription Rights In Any Rights Offering If Subscription Price Is Less Than Our Net Asset Value Per Share [Member] Investment In high quality short term investments which will generate lower rates of return interest generated on first and second lien senior secured loans and mezzanine debt. Investment In High Quality Short Term Investments Which Will Generate Lower Rates Of Return Interest Generated On First And Second Lien Senior Secured Loans And Mezzanine Debt [Member] [Member] Stockholders May Receive Shares Of Common Stock As Dividends Which Could Result In Adverse Cash Flow Consequences To Stockholders [Member] Stockholders May Receive Shares Of Common Stock As Dividends Which Could Result In Adverse Cash Flow Consequences To Them [Member]