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INVESTMENT SECURITIES (Tables)
12 Months Ended
Mar. 31, 2023
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, 2023
Amortized CostGross Unrealized GainsGross Unrealized (Losses)Fair Value
Corporate debt securities$24,936 $$(1,325)$23,617 
U.S. treasury securities13,400 15 (425)12,990 
Common stock768 — (584)184 
Certificates of deposit518 — — 518 
Total securities with unrealized gains/(losses)$39,622 $21 $(2,334)$37,309 
March 31, 2022
Amortized CostGross Unrealized GainsGross Unrealized (Losses)
Fair Value (1)
Corporate debt securities$88,475 $$(1,403)$87,074 
U.S. treasury securities17,891 — (229)17,662 
Certificates of deposit516 — — 516 
Total securities with unrealized gains/(losses)$106,882 $$(1,632)$105,252 
(1)Included within Investment securities in the Consolidated Balance Sheets.
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, 2023March 31, 2022
Amortized CostEstimated Fair ValueAmortized CostEstimated Fair Value
Due within one year$6,243 $6,254 $72,963 $72,950 
Due within years two through five33,379 31,055 33,919 32,302 
Total debt within the investment securities portfolio$39,622 $37,309 $106,882 $105,252