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INVESTMENT SECURITIES
3 Months Ended
Jun. 30, 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:
June 30, 2024
Amortized CostGross Unrealized GainsGross Unrealized (Losses)Fair Value
Corporate debt securities$18,423 $$(611)$17,814 
U.S. treasury securities17,438 144 (307)17,275 
Certificates of deposit533 — — 533 
Total securities with unrealized gains/(losses)$36,394 $146 $(918)$35,622 

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:
June 30, 2024March 31, 2024
Amortized CostEstimated Fair ValueAmortized CostEstimated Fair Value
Due within one year$9,595 $9,492 $7,592 $7,566 
Due within years two through five26,799 26,130 31,328 30,439 
Total debt within the investment securities portfolio$36,394 $35,622 $38,920 $38,005