Quarterly report [Sections 13 or 15(d)]

NET INTEREST INCOME/EXPENSE (Details)

v3.25.4
NET INTEREST INCOME/EXPENSE (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
Interest income:        
Interest income on loans to customers $ 75,168 $ 51,089 $ 203,540 $ 152,849
Interest income on margin loans to customers 73,937 61,295 207,040 153,279
Interest income on trading securities 40,948 95,666 131,193 307,786
Interest income on held-to-maturity securities 19,298 0 39,827 0
Interest income on securities available-for-sale 14,790 11,027 42,047 28,430
Interest income on reverse repurchase agreements and amounts due from banks 4,653 5,611 15,380 18,672
Total interest income 228,794 224,688 639,027 661,016
Interest expense:        
Interest expense on customer accounts and deposits 54,272 27,288 136,628 74,111
Interest expense on securities repurchase agreement obligations 40,198 88,526 119,710 267,049
Interest expense on debt securities issued 24,524 9,974 55,775 23,912
Interest expense on margin lending payable 6,031 4,818 25,003 35,357
Other interest expense 1,894 0 4,387 48
Interest expense on loans received 996 530 2,081 1,042
Total interest expense 127,915 131,136 343,584 401,519
Net interest income $ 100,879 $ 93,552 $ 295,443 $ 259,497