v3.26.1
Financing Arrangements - Narrative (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
May 14, 2026
May 13, 2026
Dec. 31, 2025
Debt Instrument [Line Items]          
Senior securities amount $ 572,938 $ 216,611      
Asset coverage per ratio 276.00%        
Average outstanding amount $ 593,236 $ 158,698      
Weighted average interest rate 5.81% 7.07%      
Effective interest rate percentage 5.95% 6.88%      
Revolving Credit Facility | K-FITS Eiffel-1 Credit Facility | Line of Credit          
Debt Instrument [Line Items]          
Effective interest rate percentage 0.50%       0.50%
Maximum facility amount     $ 600,000 $ 400,000