v3.26.1
Significant Accounting Policies - Additional Information (Details)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 04, 2024
USD ($)
Mar. 31, 2026
USD ($)
shares
Mar. 31, 2025
USD ($)
Mar. 31, 2026
USD ($)
Portfolio
shares
Mar. 31, 2025
USD ($)
Sep. 30, 2025
Portfolio
shares
Significant Accounting Policies [Line Items]            
Financing receivable, nonaccrual, percent past due on cost basis   2.70%   2.70%   1.30%
Financing receivable, nonaccrual, percent past due on fair value basis   1.30%   1.30%   0.10%
Provision for taxes   $ 450 $ 550 $ 1,110 $ 1,250  
Excise tax percentage       4.00%    
Effective tax rate before excise tax and income taxes       0.00%    
Common stock shares sold, aggregate offering price $ 100,000          
Common stock, shares, issued | shares   65,296,094   65,296,094   65,296,094
Holdings II            
Significant Accounting Policies [Line Items]            
Provision for taxes on net realized gain on investments   $ 0 (100) $ 100 (100)  
Provision for taxes on net unrealized gain (loss) on investments   $ 0 $ 100 $ 0 $ 0  
Past Due 30 Days or More            
Significant Accounting Policies [Line Items]            
Number of portfolio on nonaccrual | Portfolio       4   4