Quarterly report pursuant to Section 13 or 15(d)

CASH AND CASH EQUIVALENTS - Schedule of collateralized securities received under reverse repurchase agreements (Details)

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CASH AND CASH EQUIVALENTS - Schedule of collateralized securities received under reverse repurchase agreements (Details) - USD ($)
$ in Thousands
Jun. 30, 2024
Mar. 31, 2024
Cash and cash equivalents    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Up to 30 days $ 150,960 $ 134,961
Total $ 150,960 $ 134,961
Corporate equity | Cash and cash equivalents    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 14.08% 14.57%
Up to 30 days $ 104,509 $ 96,647
Total $ 104,509 $ 96,647
Corporate debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 13.64% 13.84%
Corporate debt | Cash and cash equivalents    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 3.53% 5.31%
Up to 30 days $ 31,398 $ 8,961
Total $ 31,398 $ 8,961
Non-US sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 13.63% 13.78%
Non-US sovereign debt | Cash and cash equivalents    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 3.30% 4.45%
Up to 30 days $ 4,751 $ 12,468
Total $ 4,751 $ 12,468
U.S. sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 13.50% 3.06%
U.S. sovereign debt | Cash and cash equivalents    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 7.95% 4.77%
Up to 30 days $ 10,302 $ 16,885
Total $ 10,302 $ 16,885