v3.26.1
Financial Highlights (Details) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Sep. 30, 2025
Dec. 31, 2024
Sep. 30, 2024
Investment Company, Financial Highlights [Roll Forward]            
Net asset value at beginning of period (in dollars per share) $ 15.00 $ 15.00        
Net investment income - after tax (in dollars per share) 0.56 0.63        
Net realized gain (loss) on investment transactions (in dollars per share) (0.01) 0.00        
Net change in unrealized appreciation (depreciation) on investment transactions (in dollars per share) (0.20) 0.03        
Net asset value at end of period (in dollars per share) $ 14.95 $ 15.00        
Total return based on net asset value per share (as a percent) 2.34% 4.40%        
Number of common shares outstanding (in shares) 26,772,467.472 24,103,543.606   26,772,467.472    
Ratio of net investment income - after tax to average net assets 7.55% 8.42%        
Ratio of total expenses to average net assets 1.63% 1.85%        
Ratio of management fee waiver to average net assets 0.00% (0.33%)        
Ratio of incentive fees to average net assets 0.30% 0.49%        
Ratio of net expenses to average net assets 1.63% 1.52%        
Ratio of total expenses (without incentive fees) to average net assets 1.33% 1.36%        
Total return based on average net asset value 2.34% 4.40%        
Total return based on average net asset value - annualized 4.69% 8.82%        
Net assets at end of period $ 400,280 $ 361,553 $ 401,587 $ 401,587 $ 340,245 $ 306,194
Average debt outstanding $ 108 $ 0        
Average debt outstanding per share (in dollars per share) $ 0.00 $ 0        
Portfolio Turnover 8.83% 9.12%        
Asset coverage ratio 200.00%          
Asset coverage ratio per unit (in dollars per share) $ 2,000,000          
From net investment income            
Investment Company, Financial Highlights [Roll Forward]            
Distributions declared (in dollars per share) $ (0.40) $ (0.66)