Quarterly report [Sections 13 or 15(d)]

DISTRIBUTIONS TO COMMON STOCKHOLDERS - Narrative (Details)

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DISTRIBUTIONS TO COMMON STOCKHOLDERS - Narrative (Details)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2025
USD ($)
distribution
Dec. 31, 2024
USD ($)
Sep. 30, 2025
USD ($)
Equity [Abstract]      
Investment company, number of monthly distributions | distribution 3    
Investment company, cash distributions paid to common stockholders from ordinary income 93.70% 83.10%  
Investment company, cash distributions paid to common stockholders from capital gains 6.30% 16.90%  
Cash distributions to common stockholders $ 10.2 $ 20.0  
Tax return of capital distribution     $ 5.5