Quarterly report [Sections 13 or 15(d)]

RELATED PARTY TRANSACTIONS - Summarizes of Main Street???s Purchases (Details)

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RELATED PARTY TRANSACTIONS - Summarizes of Main Street’s Purchases (Details) - MSC Income - Related Party - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended
Sep. 30, 2025
Aug. 31, 2025
Jul. 31, 2025
Related Party Transaction [Line Items]      
Total number of shares purchased (in shares) 41,611 14,010 0
Average price paid per share (in dollars per share) $ 13.98 $ 14.25 $ 0
Total number of shares purchased as part of publicly announced plans or programs (in shares) 41,611 14,010 0
Approximate dollar value of shares that may yet be purchased under the plans or programs $ 19,175 $ 19,756 $ 19,955