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INVESTMENT SECURITIES (Tables)
 12 Months Ended
Mar. 31, 2024
Investments, Debt and Equity Securities [Abstract]  
Debt Securities, Held-to-maturity
The amortized cost and gross unrealized gains (losses) of marketable investment securities accounted under the fair value method were as follows:
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 

March 31, 2023
Amortized CostGross Unrealized GainsGross Unrealized (Losses)
Fair Value
Corporate debt securities$24,936 $6 $(1,325)$23,617 
U.S. treasury securities13,400 15 (425)12,990 
Common stock768 — (584)184 
Certificates of deposit518 — — 518 
Total securities with unrealized gains/(losses)$39,622 $21 $(2,334)$37,309 
Investments Classified by Contractual Maturity Date
Scheduled maturities of the securities held by the Company included within the investment securities portfolio were as follows:
March 31, 2024March 31, 2023
Amortized CostEstimated Fair ValueAmortized CostEstimated Fair Value
Due within one year$7,592 $7,566 $6,243 $6,254 
Due within years two through five31,328 30,439 33,379 31,055 
Total debt within the investment securities portfolio$38,920 $38,005 $39,622 $37,309