SCHEDULE OF INVESTMENTS IN AND ADVANCES TO AFFILIATES (Details) (Parenthetical) - $ / shares		6 Months Ended		12 Months Ended
		Jun. 30, 2024		Dec. 31, 2023
Investments in and Advances to Affiliates [Line Items]
Interest rate		6.00%		6.00%
Maturity Date		Dec. 30, 2026		Dec. 30, 2026
Investment Owned, Net Assets, Percentage		112.70%		90.60%
Non-Qualifying Assets [Member]
Investments in and Advances to Affiliates [Line Items]
Investment Owned, Net Assets, Percentage		24.20%		14.03%
Non Controlled Affiliate Investments [Member]
Investments in and Advances to Affiliates [Line Items]
Investment Owned, Net Assets, Percentage		11.94%	[1],[2]	12.26%	[3],[4]
Non Controlled Affiliate Investments [Member] | Debt Investments [Member]
Investments in and Advances to Affiliates [Line Items]
Investment Owned, Net Assets, Percentage		0.79%	[1],[2]	0.62%	[3],[4]
Non Controlled Affiliate Investments [Member] | Options Held [Member]
Investments in and Advances to Affiliates [Line Items]
Investment Owned, Net Assets, Percentage		1.39%	[1],[2]	1.27%	[3],[4]
Non Controlled Affiliate Investments [Member] | Options Held [Member] | Global Innovation Platform [Member]
Investments in and Advances to Affiliates [Line Items]
Investment Owned, Net Assets, Percentage		0.84%	[1],[2]	0.31%	[3],[4]
Non Controlled Affiliate Investments [Member] | Options Held [Member] | Global Innovation Platform [Member] | Derivative Security [Member]
Investments in and Advances to Affiliates [Line Items]
Maturity Date		Aug. 23, 2024	[1],[2],[5]	Aug. 23, 2024	[3],[4],[6]
OneValley, Inc. [Member] | Non Controlled Affiliate Investments [Member] | Debt Investments [Member]
Investments in and Advances to Affiliates [Line Items]
Interest rate	[1],[2],[7]	8.00%
Maturity Date	[1],[2],[7]	Aug. 23, 2024
Investment Owned, Net Assets, Percentage		0.79%	[1],[2],[8]	0.62%	[3],[4],[9]
Ozy Media, Inc. [Member] | Non Controlled Affiliate Investments [Member] | Options Held [Member] | Digital Media Platform [Member] | Common Warrants [Member]
Investments in and Advances to Affiliates [Line Items]
Investment Owned, Net Assets, Percentage	[3],[4],[10]
Share Price	[3],[4],[10]			$ 0.01
Warrant expiration date	[3],[4],[10]			Apr. 09, 2028
OneValley, Inc. (f/k/a NestGSV, Inc) [Member] | Non Controlled Affiliate Investments [Member] | Options Held [Member] | Global Innovation Platform [Member] | Preferred Warrant Series B Two Stock [Member]
Investments in and Advances to Affiliates [Line Items]
Investment Owned, Net Assets, Percentage	[3],[4]
Share Price	[3],[4]			$ 2.31
Warrant expiration date	[3],[4]			Dec. 31, 2023
OneValley, Inc. (f/k/a NestGSV, Inc) [Member] | Non Controlled Affiliate Investments [Member] | Options Held [Member] | Global Innovation Platform [Member] | Derivative Security [Member]
Investments in and Advances to Affiliates [Line Items]
Investment Owned, Net Assets, Percentage		0.84%	[1],[2],[11]	0.31%	[3],[4],[6]

[1] All portfolio investments are non-income-producing, unless otherwise identified. Equity investments may be subject to lock-up restrictions upon their IPO. Preferred dividends are generally only payable when declared and paid by the portfolio company’s board of directors. The Company’s directors, officers, employees and staff, as applicable, may serve on the board of directors of the Company’s portfolio investments. (Refer to “Note 3—Related-Party Arrangements”). All portfolio investments are considered Level 3 and valued using significant unobservable inputs, unless otherwise noted. (Refer to “Note 4—Investments at Fair Value”). All of the Company’s portfolio investments are restricted as to resale, unless otherwise noted, and were valued at fair value as determined in good faith by the Company’s Board of Directors. (Refer to “Note 2—Significant Accounting Policies—Investments at Fair Value”).

[2] “Affiliate Investments” are investments in those companies that are “Affiliated Companies” of SuRo Capital Corp., as defined in the 1940 Act. In general, a company is deemed to be an “Affiliate” of SuRo Capital Corp. if SuRo Capital Corp. beneficially owns, directly or indirectly, between 5% and 25% of the voting securities (i.e., securities with the right to elect directors) of such company.

[3] All portfolio investments are non-income-producing, unless otherwise identified. Equity investments are subject to lock-up restrictions upon their IPO. Preferred dividends are generally only payable when declared and paid by the portfolio company’s board of directors. The Company’s directors, officers, employees and staff, as applicable, may serve on the board of directors of the Company’s portfolio investments. (Refer to “Note 3—Related-Party Arrangements”). All portfolio investments are considered Level 3 and valued using significant unobservable inputs, unless otherwise noted. (Refer to “Note 4—Investments at Fair Value”). All portfolio investments are considered Level 3 and valued using unobservable inputs, unless otherwise noted. All of the Company’s portfolio investments are restricted as to resale, unless otherwise noted, and were valued at fair value as determined in good faith by the Company’s Board of Directors. (Refer to “Note 2—Significant Accounting Policies—Investments at Fair Value”).

[4] “Affiliate Investments” are investments in those companies that are “Affiliated Companies” of SuRo Capital Corp., as defined in the 1940 Act. In general, a company is deemed to be an “Affiliate” of SuRo Capital Corp. if SuRo Capital Corp. beneficially owns, directly or indirectly, between 5% and 25% of the voting securities (i.e., securities with the right to elect directors) of such company.

[5] SuRo Capital Corp.’s investments in StormWind, LLC are held through SuRo Capital Corp.’s wholly owned subsidiary, GSVC SW Holdings, Inc.

[6] On August 23, 2019, SuRo Capital Corp. amended the structure of its investment in OneValley, Inc. (f/k/a NestGSV, Inc.). As part of the agreement, SuRo Capital Corp.’s equity holdings (warrants notwithstanding) were restructured into a derivative security. OneValley, Inc. (f/k/a NestGSV, Inc.) has the right to call the position at any time over a five year period, ending August 23, 2024, while SuRo Capital Corp. can put the shares to OneValley, Inc. (f/k/a NestGSV, Inc.) at the end of the five year period.

[7] Denotes an investment considered Level 1 or Level 2 and valued using observable inputs. Refer to “Note 4—Investments at Fair Value”.

[8] As of June 30, 2024, the investments noted had been placed on non-accrual status.

[9] As of December 31, 2023, the investments noted had been placed on non-accrual status.

[10] On March 1, 2023, Ozy Media, Inc. suspended operations. On May 4, 2023, SuRo Capital Corp. abandoned its investment in Ozy Media, Inc.

[11] On August 23, 2019, SuRo Capital Corp. amended the structure of its investment in OneValley, Inc. (f/k/a NestGSV, Inc.). As part of the agreement, SuRo Capital Corp.’s equity holdings (warrants notwithstanding) were restructured into a derivative security. OneValley, Inc. (f/k/a NestGSV, Inc.) has the right to call the position at any time over a five year period, ending August 23, 2024, while SuRo Capital Corp. can put the shares to OneValley, Inc. (f/k/a NestGSV, Inc.) at the end of the five year period.