Consolidated Schedule of Investments - Industry Classification	Mar. 31, 2026	Dec. 31, 2025
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	100.00%	100.00%
Financial Services (includes SLR Credit Solutions, SLR Business Credit and SLR Healthcare ABL) [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	30.50%	30.20%
Multi-Sector Holdings (includes Kingsbridge Holdings, LLC and SLR Equipment Finance) [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	20.30%	19.70%
Health Care Providers & Services [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	9.10%	9.40%
Health Care Equipment & Supplies [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	5.40%	5.40%
Diversified Consumer Services [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	4.40%	4.00%
Capital Markets [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	4.30%	4.90%
Professional Services [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	4.20%	4.50%
Pharmaceuticals [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	4.00%	3.90%
Asset Management & Custody Banks [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	2.30%	2.30%
Life Sciences Tools & Services [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	2.00%	2.10%
Specialty Retail [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	1.60%	1.50%
Transportation Infrastructure [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	1.50%	1.50%
Commercial Services & Supplies [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	1.50%	1.60%
Consumer Finance [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	1.40%	1.40%
Consumer Staples Distribution & Retail [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	1.30%	1.40%
Software [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	1.20%	1.20%
Media [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	1.20%	1.10%
Insurance [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	0.80%	0.80%
Broadline Retail [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	0.60%	0.60%
Health Care Technology [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	0.50%	0.50%
Communications Equipment [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	0.50%	0.50%
Fertilizers & Agricultural Chemicals [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	0.50%	0.50%
Aerospace & Defense [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	0.30%	0.30%
Trading Companies & Distributors [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	0.30%	0.30%
Ground Transportation [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	0.20%	0.20%
Passenger Airlines [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)		0.10%
Food Products [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	0.10%	0.10%
Metals & Mining [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	0.00%	0.00%
Construction & Engineering [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)	0.00%	0.00%
Biotechnology [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)		0.00%
Automobile Components [Member]
Schedule Of Investments In percentage [Line Items]
Percentage of Total Investments (at fair value)		0.00%