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INVESTMENT SECURITIES
12 Months Ended
Mar. 31, 2020
Investments, Debt and Equity Securities [Abstract]  
INVESTMENT SECURITIES Investment Securities
The amortized cost, gross unrealized gains (losses), and fair value of securities were as follows:
 
March 31, 2020
(In thousands)
Amortized Cost
 
Gross Unrealized Gains
 
Gross Unrealized (Losses)
 
Fair Value
Corporate debt securities
$
43,166

 
$
210

 
$
(349
)
 
$
43,027

U.S. Treasury Securities
91,722

 
691

 
(51
)
 
92,362

Total securities with unrealized gains/(losses)
$
134,888

 
$
901

 
$
(400
)
 
$
135,389


 
March 31, 2019
(In thousands)
Amortized Cost
 
Gross Unrealized Gains
 
Gross Unrealized (Losses)
 
Fair Value
Corporate debt securities
$
116,220

 
$
372

 
$
(15
)
 
$
116,577

U.S. Treasury Securities
8,608

 
73

 

 
8,681

Total securities with unrealized gains/(losses)
$
124,828

 
$
445

 
$
(15
)
 
$
125,258


Scheduled maturities of the Company's debt securities within the investment securities portfolio were as follows:
 
March 31, 2020
 
March 31, 2019
(In thousands)
Amortized Cost
 
Estimated Fair Value
 
Amortized Cost
 
Estimated Fair Value
Due within one year
$
105,349

 
$
105,302

 
$
96,109

 
$
96,175

Due within years two through five
29,539

 
30,087

 
28,719

 
29,083

Total debt within the investment securities portfolio
$
134,888

 
$
135,389

 
$
124,828

 
$
125,258