Quarterly report pursuant to Section 13 or 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)

v3.23.3
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
 6 Months Ended 12 Months Ended
Sep. 30, 2023
Mar. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value $ 36,541 $ 5,138
Corporate debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value $ 15,816 $ 400
Fair value input 11.10% 74.00%
Estimated number of years 2 years 3 months
Corporate debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value $ 394  
Fair value input 74.00%  
Estimated number of years 3 months  
Corporate equity    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value $ 19,996 $ 962
Fair value input 13.00% 58.80%
Estimated number of years 4 years 6 months 9 years
Corporate equity    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value $ 335  
Fair value input 58.80%  
Estimated number of years 9 years  
Non-U.S. sovereign debt    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Fair value   $ 3,776
Fair value input   48.80%
Estimated number of years   11 years