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INVESTMENT SECURITIES - Summary of Investment Contractual Maturity Dates (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Mar. 31, 2024
Investments, Debt and Equity Securities [Abstract]    
Due within one year, amortized cost $ 166,799 $ 7,592
Due within one year, estimated fair value 167,328 7,566
Die within one year through five years, amortized cost 28,502 31,328
Due within one year through five years, fair value 28,296 30,439
Amortized cost 195,301 38,920
Fair value $ 195,624 $ 38,005