N-2 - USD ($) $ / shares in Units, $ in Thousands |
6 Months Ended | |||
|---|---|---|---|---|
Jun. 30, 2026 |
Dec. 31, 2025 |
Jun. 30, 2025 |
Dec. 31, 2024 |
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| Cover [Abstract] | ||||
| Entity Central Index Key | 0001930679 | |||
| Amendment Flag | false | |||
| Securities Act File Number | 814-01620 | |||
| Document Type | 10-Q | |||
| Entity Registrant Name | KKR FS Income Trust | |||
| Entity Address, Address Line One | 3025 JFK Boulevard, OFC 500 | |||
| Entity Address, City or Town | Philadelphia | |||
| Entity Address, State or Province | PA | |||
| Entity Address, Postal Zip Code | 19104 | |||
| City Area Code | 215 | |||
| Local Phone Number | 495-1150 | |||
| Entity Emerging Growth Company | true | |||
| Entity Ex Transition Period | false | |||
| Financial Highlights [Abstract] | ||||
| Senior Securities Amount | $ 1,018,489 | $ 507,584 | ||
| General Description of Registrant [Abstract] | ||||
| NAV Per Share | $ 29.07 | $ 29.75 | $ 29.68 | $ 29.56 |
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- References Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Boolean flag that is true when the XBRL content amends previously-filed or accepted submission. No definition available.
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- Definition Area code of city No definition available.
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- Definition Cover page. No definition available.
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- 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'. No definition available.
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- Definition Address Line 1 such as Attn, Building Name, Street Name No definition available.
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- Definition Name of the City or Town No definition available.
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- Definition Code for the postal or zip code No definition available.
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- Definition Name of the state or province. No definition available.
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- Definition A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Indicate if registrant meets the emerging growth company criteria. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Indicate if an emerging growth company has elected not to use the extended transition period for complying with any new or revised financial accounting standards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- 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. No definition available.
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- Definition The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Local phone number for entity. No definition available.
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- Definition Net asset value per share or per unit of investments in certain entities that calculate net asset value per share. Includes, but is not limited to, by unit, membership interest, or other ownership interest. Investment includes, but is not limited to, investment in certain hedge funds, venture capital funds, private equity funds, real estate partnerships or funds. Excludes fair value disclosure. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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