Quarterly report pursuant to Section 13 or 15(d)

SECURITIES REPURCHASE AGREEMENT OBLIGATIONS - Schedule of trading securities including collateralized securities subject to repurchase agreements (Details)

v3.24.3
SECURITIES REPURCHASE AGREEMENT OBLIGATIONS - Schedule of trading securities including collateralized securities subject to repurchase agreements (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Mar. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Securities repurchase agreement obligations $ 2,584,131 $ 2,756,596
Up to 30 days    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Securities repurchase agreement obligations 2,443,909 2,482,004
30-90 days    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Securities repurchase agreement obligations $ 140,222 $ 274,592
Non-US sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 13.41% 13.78%
Securities repurchase agreement obligations $ 1,794,935 $ 1,805,028
Non-US sovereign debt | Up to 30 days    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Securities repurchase agreement obligations 1,711,209 1,545,080
Non-US sovereign debt | 30-90 days    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Securities repurchase agreement obligations $ 83,726 $ 259,948
Corporate debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 13.38% 13.84%
Securities repurchase agreement obligations $ 786,774 $ 938,396
Corporate debt | Up to 30 days    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Securities repurchase agreement obligations 730,278 923,752
Corporate debt | 30-90 days    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Securities repurchase agreement obligations $ 56,496 $ 14,644
U.S. sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 3.00% 3.06%
Securities repurchase agreement obligations $ 2,400 $ 13,172
U.S. sovereign debt | Up to 30 days    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Securities repurchase agreement obligations 2,400 13,172
U.S. sovereign debt | 30-90 days    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Securities repurchase agreement obligations $ 0 $ 0
Corporate equity    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 1.00%  
Securities repurchase agreement obligations $ 22  
Corporate equity | Up to 30 days    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Securities repurchase agreement obligations 22  
Corporate equity | 30-90 days    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Securities repurchase agreement obligations $ 0