v3.25.4

Income Tax Information and Distributions to Stockholders and Other Tax Information - Additional information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Schedule of Investments [Abstract]
Uncertain tax positions	$ 0
Unrecognized Tax Benefits	$ 0
Operating Loss Carryforwards, Limitations on Use	The capital loss carryforwards shown above do not expire
Investment Company,Dividend Distribution, eligible for qualified dividend income treatment or the dividends received deduction for corporate stockholders Percent	3.82%	12.65%	0.00%
Investment Company,Dividend Distribution, interest-related dividends Percent	87.29%	86.46%	90.05%
Investment Company, Dividend Distribution, short-term capital gains, Percent	0.00%	0.00%	0.00%

Investment company dividend distribution eligible for qualified dividend income treatment or the dividends received deduction for corporate stock holders percent.

+ References

No definition available.

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- Definition

Investment company dividend distribution interest related dividends percent.

+ References

No definition available.

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- Definition

Investment company dividend distribution short term capital gains percent.

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
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- Definition

A description of the limitations on the use of all operating loss carryforwards available to reduce future taxable income.

+ References

No definition available.

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- References

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 217
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482663/740-10-55-217

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15A
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-15A

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 10B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482525/740-10-45-10B

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- Definition

Amount of increase (decrease) in unrecognized tax benefits attributable to uncertain tax positions taken in tax returns.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 15A
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482685/740-10-50-15A

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SLR Investment Corp. 10-K