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INVESTMENT SECURITIES
3 Months Ended
Jun. 30, 2025
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, 2025
Amortized CostGross Unrealized GainsGross Unrealized (Losses)Fair Value
Corporate debt securities$52,251 $98 $(104)$52,245 
U.S. treasury securities20,075 88 (114)20,049 
Common stock35 — — 35 
Certificates of deposit549 — — 549 
Total securities with unrealized gains/(losses)$72,910 $186 $(218)$72,878 

March 31, 2025
Amortized CostGross Unrealized GainsGross Unrealized (Losses)Fair Value
Corporate debt securities$177,687 $627 $(164)$178,150 
U.S. treasury securities17,044 17 (157)16,904 
Common stock21 — — 21 
Certificates of deposit549 — — 549 
Total securities with unrealized gains/(losses)$195,301 $644 $(321)$195,624 

Scheduled maturities of the debt securities held by the Company included within the investment securities portfolio were as follows:
June 30, 2025March 31, 2025
Amortized CostEstimated Fair ValueAmortized CostEstimated Fair Value
Due within one year$43,393 $43,303 $166,799 $167,328 
Due within years two through five29,482 29,540 28,502 28,296 
Total debt within the investment securities portfolio$72,875 $72,843 $195,301 $195,624