Annual report [Section 13 and 15(d), not S-K Item 405]

DISTRIBUTIONS TO COMMON STOCKHOLDERS - Schedule of Components of Our Net Assets on a Tax Basis (Details)

v3.25.3
DISTRIBUTIONS TO COMMON STOCKHOLDERS - Schedule of Components of Our Net Assets on a Tax Basis (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2022
Equity [Abstract]        
Common stock [1] $ 45 $ 44    
Capital in excess of par value 501,628 492,305    
Cumulative net unrealized appreciation (depreciation) of investments (17,490) 25,249    
Undistributed ordinary income 5,481 6,590 $ 5,000  
Undistributed capital gain 717 0    
Capital loss carryforward 0 (47,435)    
Other temporary differences (8,346) (5,858)    
TOTAL NET ASSETS $ 482,035 $ 470,895 $ 408,695 $ 315,487
[1] Issued and outstanding shares of common stock and net asset value per share have been adjusted on a retroactive basis to reflect the 1-for-2 reverse stock split (the “Reverse Stock Split”) effected on April 4, 2024. Refer to Note 2—Summary of Significant Accounting Policies for additional information.