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INVESTMENT SECURITIES
9 Months Ended
Dec. 31, 2024
Investments, Debt and Equity Securities [Abstract]  
INVESTMENT SECURITIES Investment Securities
The amortized cost and gross unrealized gains (losses) of marketable investment securities accounted under the fair value method were as follows:
December 31, 2024
Amortized CostGross Unrealized GainsGross Unrealized (Losses)Fair Value
Corporate debt securities$85,055 $155 $(284)$84,926 
U.S. treasury securities18,312 32 (279)18,065 
Certificates of deposit547 — — 547 
Total securities with unrealized gains/(losses)$103,914 $187 $(563)$103,538 

March 31, 2024
Amortized CostGross Unrealized GainsGross Unrealized (Losses)Fair Value
Corporate debt securities$22,318 $$(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 

Scheduled maturities of the debt securities held by the Company included within the investment securities portfolio were as follows:
December 31, 2024March 31, 2024
Amortized CostEstimated Fair ValueAmortized CostEstimated Fair Value
Due within one year$75,418 $75,459 $7,592 $7,566 
Due within years two through five28,496 28,079 31,328 30,439 
Total debt within the investment securities portfolio$103,914 $103,538 $38,920 $38,005