v3.26.1
Consolidated Statements of Changes in Net Assets (Unaudited) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Statement of Stockholders' Equity [Abstract]        
Net investment income $ 9,342 $ 11,429 $ 16,335 $ 24,421
Net realized gain (loss) on investments and debt (417) (27,714) 58,598 (30,274)
Net change in unrealized appreciation (depreciation) on investments (12,239) 27,132 (69,291) 29,493
Provision for taxes on realized gain on investments 0 (49) (13) (49)
Net change in provision for taxes on unrealized appreciation (depreciation) on investments 0 37 0 0
Net change in unrealized appreciation (depreciation) on debt 985 (1,379) 997 1,949
Net increase (decrease) in net assets resulting from operations (2,329) 9,456 6,626 25,540
Distributions to stockholders:        
Distribution of net investment income (15,671) (15,671) (31,342) (31,342)
Total distributions to stockholders (15,671) (15,671) (31,342) (31,342)
Capital Transactions:        
Net increase (decrease) in net assets (18,000) (6,215) (24,716) (5,802)
Net assets:        
Beginning of period 457,234 494,321 463,950 493,908
End of period $ 439,234 $ 488,106 $ 439,234 $ 488,106