Quarterly report pursuant to Section 13 or 15(d)

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

v3.23.3
TRADING AND AVAILABLE FOR SALE SECURITIES AT FAIR VALUE - Schedule of maturity of trading and available-for-sale securities (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Mar. 31, 2023
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities $ 221,445 $ 239,053
Non-U.S. sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 165,662 191,082
Non-US sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 48,025 40,162
US sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 7,758 7,809
Up to 1 year    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 36,490 78,953
Up to 1 year | Non-U.S. sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 34,526 77,006
Up to 1 year | Non-US sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 0 0
Up to 1 year | US sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 1,964 1,947
1-5 years    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 116,849 118,527
1-5 years | Non-U.S. sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 77,543 82,579
1-5 years | Non-US sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 36,502 33,143
1-5 years | US sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 2,804 2,805
5-10 years    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 60,634 34,031
5-10 years | Non-U.S. sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 53,583 31,486
5-10 years | Non-US sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 5,351 820
5-10 years | US sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 1,700 1,725
More than 10 years    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 7,472 7,542
More than 10 years | Non-U.S. sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 10 11
More than 10 years | Non-US sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 6,172 6,199
More than 10 years | US sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities $ 1,290 $ 1,332