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)

v3.23.1
TRADING AND AVAILABLE FOR SALE SECURITIES AT FAIR VALUE - Schedule of maturity of trading and available-for-sale securities (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Mar. 31, 2022
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities $ 168,175 $ 161,364
Non-US sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 8,293 12,997
Corporate debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 155,529 145,836
US sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 4,352 2,530
Corporate equity    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 1 1
Up to 1 year    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 50,533 71,056
Up to 1 year | Non-US sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 0 1,692
Up to 1 year | Corporate debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 50,533 69,364
Up to 1 year | US sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 0 0
Up to 1 year | Corporate equity    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 0 0
1-5 years    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 55,275 51,019
1-5 years | Non-US sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 430 864
1-5 years | Corporate debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 53,456 50,155
1-5 years | US sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 1,389 0
1-5 years | Corporate equity    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 0 0
5-10 years    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 51,955 27,370
5-10 years | Non-US sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 850 1,086
5-10 years | Corporate debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 49,411 26,284
5-10 years | US sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 1,694 0
5-10 years | Corporate equity    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 0 0
More than 10 years    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 10,412 11,919
More than 10 years | Non-US sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 7,013 9,355
More than 10 years | Corporate debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 2,129 33
More than 10 years | US sovereign debt    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities 1,269 2,530
More than 10 years | Corporate equity    
Debt Securities, Available-for-sale [Line Items]    
Fair value of equity securities $ 1 $ 1