XML 15 R1.htm IDEA: XBRL DOCUMENT
v3.25.2

Cover | Jun. 25, 2025
--- | ---
Document Information [Line Items] |
Document Type | N-2
Document Registration Statement | true
Dividend or Interest Reinvestment Plan Only | false
Delayed or Continuous Offering | true
Effective Upon Filing, 462(e) | true
Additional Securities Effective, 413(b) | false
Effective when Declared, Section 8(c) | false
New Effective Date for Previous Filing | false
Additional Securities. 462(b) | false
No Substantive Changes, 462(c) | false
Exhibits Only, 462(d) | false
Approximate Date of Commencement of Proposed Sale to Public | From time to time after the effective date of this Registration Statement.
Amendment Flag | false
Entity Information [Line Items] |
Entity Registrant Name | MSC Income Fund, Inc.
Entity Central Index Key | 0001535778
Securities Act File Number | 333-000000
Entity Well-known Seasoned Issuer | Yes
Entity Emerging Growth Company | false
Entity Inv Company Type | N-2
Entity Contact Personnel [Line Items] |
Entity Address, Address Line One | 1300 Post Oak Boulevard,
Entity Address, Address Line Two | 8th Floor
Entity Address, City or Town | Houston,
Entity Address, State or Province | TX
Entity Address, Postal Zip Code | 77056
Entity Phone Fax Numbers [Line Items] |
City Area Code | 713
Local Phone Number | 350-6000
Business Contact [Member] |
Entity Contact Personnel [Line Items] |
Contact Personnel Name | Dwayne L. Hyzak
Entity Address, Address Line One | 1300 Post Oak Boulevard
Entity Address, Address Line Two | 8th Floor
Entity Address, City or Town | Houston
Entity Address, State or Province | TX
Entity Address, Postal Zip Code | 77056

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Securities Act -Number 230 -Section 462 -Subsection b + Details
Name: | dei_AdditionalSecurities462b
Namespace Prefix: | dei_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Securities Act -Number 230 -Section 413 -Subsection b + Details
Name: | dei_AdditionalSecuritiesEffective413b
Namespace Prefix: | dei_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- Definition Boolean flag that is true when the XBRL content amends previously-filed or accepted submission. + References No definition available. + Details
Name: | dei_AmendmentFlag
Namespace Prefix: | dei_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- Definition The approximate date of a commencement of a proposed sale of securities to the public. This element is disclosed in S-1, S-3, S-4, S-11, F-1, F-3 and F-10 filings. + References No definition available. + Details
Name: | dei_ApproximateDateOfCommencementOfProposedSaleToThePublic
Namespace Prefix: | dei_
Data Type: | dei:dateOrAsapItemType
Balance Type: | na
Period Type: | duration

X
- Definition Area code of city + References No definition available. + Details
Name: | dei_CityAreaCode
Namespace Prefix: | dei_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Name of contact personnel + References No definition available. + Details
Name: | dei_ContactPersonnelName
Namespace Prefix: | dei_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form N-2 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form S-3 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form F-3 + Details
Name: | dei_DelayedOrContinuousOffering
Namespace Prefix: | dei_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form N-2 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form S-3 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form F-3 + Details
Name: | dei_DividendOrInterestReinvestmentPlanOnly
Namespace Prefix: | dei_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- 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. + References No definition available. + Details
Name: | dei_DocumentInformationLineItems
Namespace Prefix: | dei_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Boolean flag that is true only for a form used as a registration statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Exchange Act -Number 240 -Section 12 + Details
Name: | dei_DocumentRegistrationStatement
Namespace Prefix: | dei_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- Definition The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'. + References No definition available. + Details
Name: | dei_DocumentType
Namespace Prefix: | dei_
Data Type: | dei:submissionTypeItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Securities Act -Number 230 -Section 462 -Subsection e + Details
Name: | dei_EffectiveUponFiling462e
Namespace Prefix: | dei_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Securities Act -Section 8 -Subsection c + Details
Name: | dei_EffectiveWhenDeclaredSection8c
Namespace Prefix: | dei_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- Definition Address Line 1 such as Attn, Building Name, Street Name + References No definition available. + Details
Name: | dei_EntityAddressAddressLine1
Namespace Prefix: | dei_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Address Line 2 such as Street or Suite number + References No definition available. + Details
Name: | dei_EntityAddressAddressLine2
Namespace Prefix: | dei_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Name of the City or Town + References No definition available. + Details
Name: | dei_EntityAddressCityOrTown
Namespace Prefix: | dei_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Code for the postal or zip code + References No definition available. + Details
Name: | dei_EntityAddressPostalZipCode
Namespace Prefix: | dei_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Name of the state or province. + References No definition available. + Details
Name: | dei_EntityAddressStateOrProvince
Namespace Prefix: | dei_
Data Type: | dei:stateOrProvinceItemType
Balance Type: | na
Period Type: | duration

X
- Definition A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Exchange Act -Number 240 -Section 12 -Subsection b-2 + Details
Name: | dei_EntityCentralIndexKey
Namespace Prefix: | dei_
Data Type: | dei:centralIndexKeyItemType
Balance Type: | na
Period Type: | duration

X
- 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. + References No definition available. + Details
Name: | dei_EntityContactPersonnelLineItems
Namespace Prefix: | dei_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Indicate if registrant meets the emerging growth company criteria. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Exchange Act -Number 240 -Section 12 -Subsection b-2 + Details
Name: | dei_EntityEmergingGrowthCompany
Namespace Prefix: | dei_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- Definition Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen. + References No definition available. + Details
Name: | dei_EntityFileNumber
Namespace Prefix: | dei_
Data Type: | dei:fileNumberItemType
Balance Type: | na
Period Type: | duration

X
- 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. + References No definition available. + Details
Name: | dei_EntityInformationLineItems
Namespace Prefix: | dei_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition One of: N-1A (Mutual Fund), N-1 (Open-End Separate Account with No Variable Annuities), N-2 (Closed-End Investment Company), N-3 (Separate Account Registered as Open-End Management Investment Company), N-4 (Variable Annuity UIT Separate Account), N-5 (Small Business Investment Company), N-6 (Variable Life UIT Separate Account), S-1 or S-3 (Face Amount Certificate Company), S-6 (UIT, Non-Insurance Product). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-T -Number 232 -Section 313 + Details
Name: | dei_EntityInvCompanyType
Namespace Prefix: | dei_
Data Type: | dei:invCompanyType
Balance Type: | na
Period Type: | duration

X
- 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. + References No definition available. + Details
Name: | dei_EntityPhoneFaxNumbersLineItems
Namespace Prefix: | dei_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Exchange Act -Number 240 -Section 12 -Subsection b-2 + Details
Name: | dei_EntityRegistrantName
Namespace Prefix: | dei_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Indicate 'Yes' or 'No' if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Is used on Form Type: 10-K, 10-Q, 8-K, 20-F, 6-K, 10-K/A, 10-Q/A, 20-F/A, 6-K/A, N-CSR, N-Q, N-1A. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Securities Act -Number 230 -Section 405 + Details
Name: | dei_EntityWellKnownSeasonedIssuer
Namespace Prefix: | dei_
Data Type: | dei:yesNoItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Securities Act -Number 230 -Section 462 -Subsection d + Details
Name: | dei_ExhibitsOnly462d
Namespace Prefix: | dei_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- Definition Local phone number for entity. + References No definition available. + Details
Name: | dei_LocalPhoneNumber
Namespace Prefix: | dei_
Data Type: | xbrli:normalizedStringItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form N-2 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form N-3 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form N-4 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Form N-6 + Details
Name: | dei_NewEffectiveDateForPreviousFiling
Namespace Prefix: | dei_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Securities Act -Number 230 -Section 462 -Subsection c + Details
Name: | dei_NoSubstantiveChanges462c
Namespace Prefix: | dei_
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | dei_EntityAddressesAddressTypeAxis=dei_BusinessContactMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |