v3.25.2
Taxable/Distributable Income - Schedule of Reconciliation of Net Increase (Decrease) in Net Assets Resulting from Operations (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Income Tax Disclosure [Abstract]        
Net increase (decrease) in net assets resulting from operations $ 83,755 $ 58,227 $ 213,435 $ 167,638
Net unrealized (appreciation) depreciation (16,793) 3,198 13,157 (13,066)
Book/tax difference due to capital gains incentive fees 100 (427) (2,372) 2,033
Other book/tax differences (13,743) 1,025 (11,508) (4,234)
Taxable income $ 53,319 $ 62,023 $ 212,712 $ 152,371