Quarterly report pursuant to Section 13 or 15(d)

TRADING AND AVAILABLE FOR SALE SECURITIES AT FAIR VALUE - Schedule of trading and available-for-sale securities (Details)

v3.22.2.2
TRADING AND AVAILABLE FOR SALE SECURITIES AT FAIR VALUE - Schedule of trading and available-for-sale securities (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Mar. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities $ 1,359,544 $ 1,158,377
Fair value of equity securities 168,175 161,364
Corporate debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 666,137 712,133
Fair value of equity securities 155,529 145,836
Non-U.S. sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 634,056 360,570
Fair value of equity securities 8,293 12,997
Corporate equity    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 32,522 72,354
Fair value of equity securities 1 1
U.S. sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities 23,883 10,435
Fair value of equity securities 4,352 2,530
Exchange traded notes    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Trading securities $ 2,946 $ 2,884