v3.26.3
Investments - Schedule of Investment Portfolio Industry and Geographic Dispersion of Investment Portfolio as Percentage of Total Fair Value of Investments (Details)
Sep. 30, 2026
Dec. 31, 2025
Investment Holdings [Line Items]    
Percentage of total fair value of investment 100.00% 100.00%
Healthcare Supplies    
Investment Holdings [Line Items]    
Percentage of total fair value of investment 13.90% 14.10%
Insurance Services    
Investment Holdings [Line Items]    
Percentage of total fair value of investment 12.60% 12.40%
Retirement Plan Services    
Investment Holdings [Line Items]    
Percentage of total fair value of investment 12.00% 10.90%
Commercial and Professional Services    
Investment Holdings [Line Items]    
Percentage of total fair value of investment 10.80% 11.30%
Engineered Products    
Investment Holdings [Line Items]    
Percentage of total fair value of investment 10.30% 10.40%
Visual Safety Solutions    
Investment Holdings [Line Items]    
Percentage of total fair value of investment 9.40% 9.30%
Legal Services    
Investment Holdings [Line Items]    
Percentage of total fair value of investment 8.80% 9.40%
Franchise Consulting Services    
Investment Holdings [Line Items]    
Percentage of total fair value of investment 8.00% 8.50%
Information Services and Advisory Solutions    
Investment Holdings [Line Items]    
Percentage of total fair value of investment 6.90% 6.00%
Real Estate Services    
Investment Holdings [Line Items]    
Percentage of total fair value of investment 5.00% 5.20%
Hobby Goods and Supplies    
Investment Holdings [Line Items]    
Percentage of total fair value of investment 1.80% 1.90%
Restaurant and Food    
Investment Holdings [Line Items]    
Percentage of total fair value of investment 0.50% 0.60%