Quarterly report [Sections 13 or 15(d)]

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

v3.25.3
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
9 Months Ended
Sep. 30, 2025
Accounting Policies [Abstract]  
Schedule of Investment Income
A presentation of total investment income Main Street earned from its Investment Portfolio in each of the periods presented is as follows:
Three Months Ended
September 30,
Nine Months Ended
September 30,
2025
2024
2025
2024
(dollars in thousands)
Interest, fee and dividend income:
Interest income $ 103,286  $ 110,551  $ 302,160  $ 310,690 
Dividend income 31,263  23,239  105,134  72,718 
Fee income 5,282  3,034  13,556  17,178 
Total investment income $ 139,831  $ 136,824  $ 420,850  $ 400,586