Gladstone Capital Corporation Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Cover
Financial Statements
Notes to Financial Statements
Accounting Policies
- SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)
Notes Tables
Notes Details

RELATED PARTY TRANSACTIONS - Narrative (Details)

v3.24.0.1

RELATED PARTY TRANSACTIONS - Narrative (Details) - USD ($)	3 Months Ended		12 Months Ended	36 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Mar. 31, 2023	Mar. 31, 2023	Sep. 30, 2023
Related Party Transaction [Line Items]
Base management fee	1.75%	1.75%
Base management fee, percent fee	100.00%
Management and service fee, net of credit	0.50%	0.50%
Management and service fees, loans	1.50%
Ratio of net investment income (loss) to average net assets – annualized	7.99%	7.87%
Incentive fee base on minimum rate of return required on investment	$ 0
Percentage of pre-incentive fee net investment income is less than the hurdle rate	100.00%
Investment company, pre-incentive fee net investment income, percent threshold of net assets	2.1875%		2.50%
Pre-incentive fee net investment income exceeds the hurdle rate	20.00%
Investment company, capital gains-based incentive fees	20.00%
Investment company, other operating expenses, due to advisor	$ 22,000				$ 65,000
Related Party
Related Party Transaction [Line Items]
Fee income	55,000	$ 16,000
Fees due to related party	3,567,000				4,351,000
Related Party \| Gladstone Investment Corporation
Related Party Transaction [Line Items]
Fees due to related party	$ 22,000				$ 19,000
Adviser \| Related Party \| Chief Executive Officer
Related Party Transaction [Line Items]
Noncontrolling interest, ownership percentage by parent	100.00%
Administrator \| Related Party \| Chief Executive Officer
Related Party Transaction [Line Items]
Noncontrolling interest, ownership percentage by parent	100.00%
Gladstone Securities, LLC \| Related Party \| Chief Executive Officer
Related Party Transaction [Line Items]
Noncontrolling interest, ownership percentage by parent	100.00%
Maximum
Related Party Transaction [Line Items]
Base management fee	1.75%
Minimum
Related Party Transaction [Line Items]
Ratio of net investment income (loss) to average net assets – annualized	1.75%			2.00%

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