Quarterly report [Sections 13 or 15(d)]

INVESTMENT SECURITIES - Schedule of reconciliation of the beginning and ending balance for investments that use Level 3 inputs (Details)

v3.25.4
INVESTMENT SECURITIES - Schedule of reconciliation of the beginning and ending balance for investments that use Level 3 inputs (Details) - Trading securities - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Dec. 31, 2025
Mar. 31, 2025
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Investments beginning $ 18,320 $ 20,442
Reclassification to Level 3 1,034  
Purchase of investments that use Level 3 inputs 2,110  
Revaluation of investments that use Level 3 inputs 159 (2,122)
Investments ending $ 21,623 $ 18,320