v3.26.3
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
9 Months Ended
Sep. 30, 2026
Accounting Policies [Abstract]  
Schedule of Investment Income
A summarized 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,
2026
2025
2026
2025
(in thousands)
Interest, dividend and fee income:
Interest income$111,863 $103,286 $329,802 $302,160 
Dividend income25,525 31,263 81,119 105,134 
Fee income5,144 5,282 21,289 13,556 
Total investment income$142,532 $139,831 $432,210 $420,850