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INVESTMENT SECURITIES - Schedule of Amortized Cost, Gross Unrealized Gains and Losses, and Fair Value of Securities Held to Maturity (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Mar. 31, 2024
--- | --- | ---
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | $ 57,015 | $ 38,920
Gross Unrealized Gains | 319 | 118
Gross Unrealized (Losses) | (505) | (1,033)
Fair Value | 56,829 | 38,005
Corporate debt securities |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | 39,088 | 22,318
Gross Unrealized Gains | 100 | 8
Gross Unrealized (Losses) | (313) | (685)
Fair Value | 38,875 | 21,641
U.S. treasury securities |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | 17,385 | 16,071
Gross Unrealized Gains | 219 | 110
Gross Unrealized (Losses) | (192) | (348)
Fair Value | 17,412 | 15,833
Certificates of deposit |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | 542 | 531
Gross Unrealized Gains | 0 | 0
Gross Unrealized (Losses) | 0 | 0
Fair Value | $ 542 | $ 531

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