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 Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2023
Sep. 30, 2023
 [1]
Jun. 30, 2023
 [1]
Dec. 31, 2022
Sep. 30, 2022
 [1]
Jun. 30, 2022
 [1]
Dec. 31, 2023
Dec. 31, 2022
Mar. 31, 2023
Equity [Abstract]                  
Investment company, cash distributions paid to common stockholders from ordinary income 53.20%           53.20%    
Investment company, cash distributions paid to common stockholders from capital gains 46.80%           46.80%    
Cash distributions to common stockholders             $ 67,400 $ 30,900  
Distributions to common stockholders from ordinary income $ 15,093 [1] $ 6,665 $ 7,069 $ 7,360 [1] $ 4,678 $ 3,188     $ 21,400
Distributions to common stockholders from net realized gains 28,009 [1] $ 5,519 $ 5,024 4,652 [1] $ 2,797 $ 8,268     $ 10,600
Investment company, net adjustments for tax difference to capital distribution $ 400     $ 300     $ 400 $ 1,600  
[1] Refer to Note 8 — Distributions to Common Stockholders in the accompanying Notes to Consolidated Financial Statements for additional information.