v3.26.3
Investments at Fair Value - Summary of Geographic Composition of Investments at Fair Value (Details)
Sep. 30, 2026
Dec. 31, 2025
Schedule Of Available For Sale Securities [Line Items]    
Investment fair value percentage 100.00% 100.00%
United States - Midwest    
Schedule Of Available For Sale Securities [Line Items]    
Investment fair value percentage 11.90% 12.50%
United States - Northeast    
Schedule Of Available For Sale Securities [Line Items]    
Investment fair value percentage 15.80% 18.60%
United States - South    
Schedule Of Available For Sale Securities [Line Items]    
Investment fair value percentage 25.90% 23.20%
United States - West    
Schedule Of Available For Sale Securities [Line Items]    
Investment fair value percentage 28.20% 29.80%
Australia    
Schedule Of Available For Sale Securities [Line Items]    
Investment fair value percentage 0.10% 0.20%
Canada    
Schedule Of Available For Sale Securities [Line Items]    
Investment fair value percentage 1.40% 1.50%
Finland    
Schedule Of Available For Sale Securities [Line Items]    
Investment fair value percentage [1] 0.00% 0.00%
France    
Schedule Of Available For Sale Securities [Line Items]    
Investment fair value percentage 1.70% 1.60%
Germany    
Schedule Of Available For Sale Securities [Line Items]    
Investment fair value percentage 3.40% 3.50%
Italy    
Schedule Of Available For Sale Securities [Line Items]    
Investment fair value percentage 0.60% 0.60%
Netherlands    
Schedule Of Available For Sale Securities [Line Items]    
Investment fair value percentage 0.80% 0.40%
Norway    
Schedule Of Available For Sale Securities [Line Items]    
Investment fair value percentage 3.10% 3.30%
Sweden    
Schedule Of Available For Sale Securities [Line Items]    
Investment fair value percentage 1.30% 0.80%
Switzerland    
Schedule Of Available For Sale Securities [Line Items]    
Investment fair value percentage 1.30% 0.00%
United Kingdom    
Schedule Of Available For Sale Securities [Line Items]    
Investment fair value percentage 4.50% 4.00%
[1] Value sums to less than 0.1%.