v3.26.1
Financial Highlights (Details) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended 12 Months Ended
Sep. 30, 2022
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2023
Investment Company, Financial Highlights [Roll Forward]        
Net asset value at beginning of period (in dollars per share) $ 15.00 $ 15.00 $ 15.00 $ 15.00
Net investment income - after tax (in dollars per share) 0.45 1.62 2.01 2.05
Net realized gain (loss) on investment transactions (in dollars per share) (0.02) 0 0.01 0.00
Net change in unrealized appreciation (depreciation) on investment transactions (in dollars per share) (0.17) 0.10 0.56 0.36
Net asset value at end of period (in dollars per share) $ 15.00 $ 15.00 $ 15.00 $ 15.00
Total return based on net asset value per share 1.70% 11.92% 17.94% 12.09%
Number of common shares outstanding (in shares) 4,628,404.94 71,236,992.933 43,346,830.17 12,178,965.292
Ratio of net investment income - after tax to average net assets 6.79% 10.80% 13.46% 13.73%
Ratio of total expenses to average net assets 7.40% 13.67% 16.03% 14.19%
Ratio of management fee waiver to average net assets (1.26%) (1.82%) (1.86%) (1.80%)
Ratio of incentive fee waiver to average net assets (0.27%) (1.21%) (2.01%) (2.75%)
Ratio of operating expense waiver to average net assets (0.35%) 0.00% 0.00% 0.00%
Ratio of incentive fees to average net assets 0.27% 2.47% 3.13% 2.75%
Ratio of excise tax to average net assets 0.00% 0.00% 0.01% 0.05%
Ratio of net expenses to average net assets 5.52% 10.64% 12.16% 9.64%
Ratio of total expenses (without incentive fees) to average net assets 7.13% 11.20% 12.90% 9.64%
Total return based on average net asset value 3.99% 11.42% 17.05% 16.49%
Net assets at end of year $ 69,426 $ 1,068,555 $ 650,202 $ 182,684
Average debt outstanding $ 12,757 $ 939,931 $ 465,362 $ 101,802
Average debt outstanding per share (in dollars per share) $ 2.76 $ 13.19 $ 10.74 $ 8.36
Portfolio Turnover 0.07% 8.21% 4.26% 2.26%
Asset coverage ratio 206.27% 188.47% 192.32% 201.79%
Asset coverage ratio per unit (in dollars per share) $ 2,063 $ 1,885 $ 1,923 $ 2,018
Investment Income        
Investment Company, Financial Highlights [Roll Forward]        
Distribution declared (in dollars per share) (0.26) (1.68) (2.58) (2.41)
Capital Gain        
Investment Company, Financial Highlights [Roll Forward]        
Distribution declared (in dollars per share) $ 0 $ (0.04) $ (0.00) $ 0