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INVESTMENT SECURITIES
12 Months Ended
Mar. 31, 2021
Investments, Debt and Equity Securities [Abstract]  
INVESTMENT SECURITIES Investment Securities
The amortized cost, gross unrealized gains (losses), and fair value of investment securities were as follows:
March 31, 2021
Amortized CostGross Unrealized GainsGross Unrealized (Losses)
Fair Value (1)
Corporate debt securities$178,384 $389 $(114)$178,659 
U.S. Treasury Securities23,761 322 — 24,083 
Total securities with unrealized gains/(losses)$202,145 $711 $(114)$202,742 
(1)Included within Investment Securities in the Consolidated Balance Sheets.
March 31, 2020
Amortized CostGross Unrealized GainsGross Unrealized (Losses)Fair Value
Corporate debt securities$43,166 $210 $(349)$43,027 
U.S. Treasury Securities91,722 691 (51)92,362 
Total securities with unrealized gains/(losses)$134,888 $901 $(400)$135,389 
Scheduled maturities of the debt securities held by the Company included within the investment securities portfolio were as follows:
March 31, 2021March 31, 2020
Amortized CostEstimated Fair ValueAmortized CostEstimated Fair Value
Due within one year$172,747 $172,798 $105,349 $105,302 
Due within years two through five29,398 29,944 29,539 30,087 
Total debt within the investment securities portfolio$202,145 $202,742 $134,888 $135,389