Annual report pursuant to Section 13 and 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
Mar. 31, 2024
Mar. 31, 2023
Cash and Cash Equivalents    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Up to 30 days $ 134,961 $ 29,627
30-90 days   185
Total $ 134,961 $ 29,812
Corporate equity    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate   12.24%
Corporate equity | Cash and Cash Equivalents    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 14.57% 17.17%
Up to 30 days $ 96,647 $ 6,963
30-90 days   0
Total $ 96,647 $ 6,963
US sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 3.06% 1.52%
US sovereign debt | Cash and Cash Equivalents    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 4.77% 2.06%
Up to 30 days $ 16,885 $ 17,102
30-90 days   0
Total $ 16,885 $ 17,102
Non-U.S. sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 13.78% 15.98%
Non-U.S. sovereign debt | Cash and Cash Equivalents    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 4.45% 6.12%
Up to 30 days $ 12,468 $ 3,483
30-90 days   0
Total $ 12,468 $ 3,483
Corporate debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 13.84% 16.07%
Corporate debt | Cash and Cash Equivalents    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Average interest rate 5.31% 2.52%
Up to 30 days $ 8,961 $ 2,079
30-90 days   185
Total $ 8,961 $ 2,264