N-2 - USD ($) $ / shares in Units, $ in Millions |
6 Months Ended | |||||
|---|---|---|---|---|---|---|
Jun. 30, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
Jun. 30, 2024 |
Mar. 31, 2024 |
Dec. 31, 2023 |
|
| Cover [Abstract] | ||||||
| Entity Central Index Key | 0001509470 | |||||
| Amendment Flag | false | |||||
| Securities Act File Number | 814-00852 | |||||
| Document Type | 10-Q | |||||
| Entity Registrant Name | SuRo Capital Corp. | |||||
| Entity Address, Address Line One | 640 Fifth Avenue | |||||
| Entity Address, Address Line Two | 12th Floor | |||||
| Entity Address, City or Town | New York | |||||
| Entity Address, State or Province | NY | |||||
| Entity Address, Postal Zip Code | 10019 | |||||
| City Area Code | (212) | |||||
| Local Phone Number | 931-6331 | |||||
| Entity Emerging Growth Company | false | |||||
| General Description of Registrant [Abstract] | ||||||
| Risk Factors [Table Text Block] | Investing in our securities involves a number of significant risks. In addition to the other information contained in this report, you should carefully consider the factors discussed in our annual report on Form 10-K for the fiscal year ended December 31, 2024, filed with the SEC on March 12, 2025, which could materially affect our business, financial condition and/or operating results. Although the risks described in our annual report on Form 10-K for the fiscal year ended December 31, 2024 represent the principal risks associated with an investment in us, they are not the only risks we face. Additional risks and uncertainties not currently known to us, or that we currently deem to be immaterial, might materially and adversely affect our business, financial condition and/or operating results. Other than as stated below, there have been no material changes to the risk factors discussed in “Item 1A. Risk Factors” of Part I of our annual report on Form 10-K for the fiscal year ended December 31, 2024. | |||||
| NAV Per Share | $ 9.18 | $ 6.66 | $ 6.68 | $ 6.94 | $ 7.17 | $ 7.99 |
| Capital Stock, Long-Term Debt, and Other Securities [Abstract] | ||||||
| Long Term Debt, Title [Text Block] | 6.00 | |||||
| Long Term Debt, Principal | $ 70.0 | |||||
| Long Term Debt, Structuring [Text Block] | On December 17, 2021, we issued $70.0 million aggregate principal amount of 6.00% Notes due 2026, which bear interest at a fixed rate of 6.00% per year, payable quarterly in arrears on March 30, June 30, September 30, and December 30 of each year, commencing on March 30, 2022. On December 21, 2021, we issued an additional $5.0 million aggregate principal amount of 6.00% Notes due 2026. We received approximately $73.0 million in proceeds from the offering, net of underwriting discounts and commissions and other offering expenses. The 6.00% Notes due 2026 have a maturity date of December 30, 2026, unless previously repurchased or redeemed in accordance with their terms. We have the right to redeem the 6.00% Notes due 2026, in whole or in part, at any time or from time to time, on or after December 30, 2024 at a redemption price of 100% of the aggregate principal amount thereof plus accrued and unpaid interest. |