Quarterly report [Sections 13 or 15(d)]

INVESTMENT SECURITIES - Schedule of valuation techniques and significant level 3 inputs used in the valuation (Details)

v3.25.2
INVESTMENT SECURITIES - Schedule of valuation techniques and significant level 3 inputs used in the valuation (Details)
$ in Thousands
 3 Months Ended 12 Months Ended
Jun. 30, 2025
USD ($)
times
Mar. 31, 2025
USD ($)
times
Significant Unobservable Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Investment securities $ 20,572 $ 18,320
Corporate equity, 3 years | Discounted cash flow    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Estimated number of years 3 years  
Corporate equity, 3 years | Discounted cash flow | Significant Unobservable Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Investment securities $ 17,390  
Corporate equity, 3 years | Discount rate | Discounted cash flow    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Measurement input 0.235  
Corporate equity, 3 years | Termination multiplier | Discounted cash flow    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Measurement input | times 1  
Corporate equity, 5 years | Discounted cash flow    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Estimated number of years 5 years  
Corporate equity, 5 years | Discounted cash flow | Significant Unobservable Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Investment securities $ 2,018  
Corporate equity, 5 years | Discount rate | Discounted cash flow    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Measurement input 0.114  
Corporate equity, 5 years | Termination multiplier | Discounted cash flow    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Measurement input | times 0.95  
Corporate equity, 2 years | Discounted cash flow    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Estimated number of years   2 years
Corporate equity, 2 years | Discounted cash flow | Significant Unobservable Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Investment securities   $ 18,193
Corporate equity, 2 years | Discount rate | Discounted cash flow    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Measurement input   0.215
Corporate equity, 2 years | Termination multiplier | Discounted cash flow    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Measurement input | times   19.5
Corporate debt, 2 years | Discounted cash flow    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Estimated number of years 2 years  
Corporate debt, 2 years | Discounted cash flow | Significant Unobservable Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Investment securities $ 1,041  
Corporate debt, 2 years | Discount rate | Discounted cash flow    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Measurement input 0.132  
Corporate equity, 9 years | Discounted cash flow    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Estimated number of years 9 years 9 years
Corporate equity, 9 years | Discounted cash flow | Significant Unobservable Units    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Investment securities $ 123 $ 127
Corporate equity, 9 years | Discount rate | Discounted cash flow    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Measurement input 0.588 0.588