MSC Income Fund Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

DEBT - October 2026 Series A Notes Narrative (Details)

DEBT - October 2026 Series A Notes Narrative (Details) - October 2026 Notes - Unsecured Debt - USD ($)	Mar. 31, 2026	Mar. 12, 2026	Dec. 31, 2025	Jan. 21, 2022	Oct. 22, 2021
Debt Instrument [Line Items]
Debt instrument, face amount	$ 150,000,000	$ 150,000,000.0	$ 150,000,000	$ 72,500,000	$ 77,500,000
Debt instrument, interest rate, stated percentage (as a percent)		6.34%			4.04%
Debt instrument, interest rate, below investment grade rating, stated percentage (as a percent)					5.04%

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details