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INVESTMENT SECURITIES (Tables)
 6 Months Ended
Sep. 30, 2024
Investments, Debt and Equity Securities [Abstract]  
Schedule of Amortized Cost, Gross Unrealized Gains and Losses, and Fair Value of Securities
The amortized cost and gross unrealized gains (losses) of marketable investment securities accounted under the fair value method were as follows:
September 30, 2024
Amortized CostGross Unrealized GainsGross Unrealized (Losses)Fair Value
Corporate debt securities$39,088 $100 $(313)$38,875 
U.S. treasury securities17,385 219 (192)17,412 
Certificates of deposit542 — — 542 
Total securities with unrealized gains/(losses)$57,015 $319 $(505)$56,829 

March 31, 2024
Amortized CostGross Unrealized GainsGross Unrealized (Losses)Fair Value
Corporate debt securities$22,318 $8 $(685)$21,641 
U.S. treasury securities16,071 110 (348)15,833 
Certificates of deposit531 — — 531 
Total securities with unrealized gains/(losses)$38,920 $118 $(1,033)$38,005 
Schedule of Maturities of Debt Securities
Scheduled maturities of the debt securities held by the Company included within the investment securities portfolio were as follows:
September 30, 2024March 31, 2024
Amortized CostEstimated Fair ValueAmortized CostEstimated Fair Value
Due within one year$30,473 $30,427 $7,592 $7,566 
Due within years two through five26,542 26,402 31,328 30,439 
Total debt within the investment securities portfolio$57,015 $56,829 $38,920 $38,005