Annual report pursuant to Section 13 and 15(d)

TRADING AND AVAILABLE-FOR-SALE SECURITIES AT FAIR VALUE - Schedule of valuation techniques and significant level 3 inputs used in the valuation (Details)

v3.22.1
TRADING AND AVAILABLE-FOR-SALE SECURITIES AT FAIR VALUE - Schedule of valuation techniques and significant level 3 inputs used in the valuation (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value $ 9,144 $ 19,069
Corporate equity    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value $ 0 18,408
Fair value input (in percent) 10.60%  
Estimated number of years 9 years  
Corporate equity    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value $ 253 301
Fair value input (in percent) 20.00%  
Estimated number of years 9 years  
Corporate debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value $ 595 360
Fair value input (in percent) 45.00%  
Estimated number of years 3 months  
Non-US sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value $ 7,524 0
Fair value input (in percent) 69.00%  
Estimated number of years 11 years  
Non-US sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value $ 772 $ 0
Fair value input (in percent) 13.90%  
Estimated number of years 1 year