NET INTEREST INCOME/EXPENSE (Tables)

3 Months Ended

Jun. 30, 2025

Investments, Debt and Equity Securities [Abstract]

Interest Income and Interest Expense Disclosure

	Three months ended June 30, 2025		Three months ended June 30, 2024
Interest income:
Interest income on loans to customers	$	61,694	$	52,367
Interest income on margin loans to customers	60,289		51,067
Interest income on trading securities	52,576		107,128
Interest income on securities available-for-sale	13,383		8,400
Interest income on reverse repurchase agreements and amounts due from banks	5,456		7,042
Interest income on held-to-maturity securities	5,173		—
Total interest income	$	198,571	$	226,004
Interest expense:
Interest expense on securities repurchase agreement obligations	$	45,461	$	92,407
Interest expense on customer accounts and deposits	39,332		23,127
Interest expense on debt securities issued	13,751		6,969
Interest expense on margin lending payable	13,374		23,123
Interest expense on loans received	510		44
Other interest expense	982		48
Total interest expense	$	113,410	$	145,718
Net interest income	$	85,161	$	80,286