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INVESTMENT SECURITIES - Schedule of Maturities of Debt Securities (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Mar. 31, 2022
Debt Securities, Held-to-maturity, Maturity [Abstract]    
Amortized Cost , due within one year $ 4,886 $ 72,963
Estimated Fair Value, due within one year 4,809 72,950
Amortized Cost, Due within one year through five years 30,737 33,919
Estimated Fair Value, Due within one year through five years 28,352 32,302
Amortized Cost 35,623 106,882
Estimated Fair Value $ 33,161 $ 105,252