Quarterly report pursuant to Section 13 or 15(d)

DISTRIBUTIONS TO COMMON STOCKHOLDERS - Narrative (Details)

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DISTRIBUTIONS TO COMMON STOCKHOLDERS - Narrative (Details) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Sep. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Equity [Abstract]          
Investment company, cash distributions paid to common stockholders from ordinary income       93.20% 100.00%
Investment company, cash distributions paid to common stockholders from capital gains       6.80%  
Cash distributions to common stockholders $ 15.7 $ 13.4      
Tax return of capital distribution     $ 1.4