Quarterly report [Sections 13 or 15(d)]

NET INCREASE (DECREASE) IN NET ASSETS RESULTING FROM OPERATIONS PER WEIGHTED-AVERAGE COMMON SHARE (Details)

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NET INCREASE (DECREASE) IN NET ASSETS RESULTING FROM OPERATIONS PER WEIGHTED-AVERAGE COMMON SHARE (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2026
Jun. 30, 2026
Sep. 30, 2025
Jun. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Earnings Per Share [Abstract]            
Numerator: net increase in net assets resulting from operations $ 17,063 $ (11,855) $ 28,709 $ 7,772 $ 5,208 $ 36,481
Basic weighted-average common shares (in shares) 39,821,967   38,445,643   39,821,967 37,681,491
Diluted weighted-average common shares (in shares) 39,821,967   38,445,643   39,821,967 37,681,491
Basic net increase in net assets resulting from operations per weighted-average common share (in USD per share) $ 0.43   $ 0.75   $ 0.13 $ 0.97
Diluted net increase in net assets resulting from operations per weighted-average common share (in USD per share) $ 0.43   $ 0.75   $ 0.13 $ 0.97