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INVESTMENT SECURITIES (Tables) | 6 Months Ended
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Sep. 30, 2022
Investments, Debt and Equity Securities [Abstract] |
Schedule of Amortized Cost, Gross Unrealized Gains and Losses, and Fair Value of Securities | The amortized cost and gross unrealized gains (losses) of marketable investment securities accounted under the fair value method were as follows:
| September 30, 2022
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized (Losses) |  | Fair Value (1)
Corporate debt securities | $ | 21,910 |  |  | $ | — |  |  | $ | (1,810) |  |  | $ | 20,100 |
U.S. treasury securities | 13,196 |  |  | — |  |  | (652) |  |  | 12,544 |
Certificates of Deposit | 517 |  |  | — |  |  | — |  |  | 517 |
Total securities with unrealized gains/(losses) | $ | 35,623 |  |  | $ | — |  |  | $ | (2,462) |  |  | $ | 33,161 |
(1) Included within Investment securities in the Consolidated Balance Sheets.
| March 31, 2022
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized (Losses) |  | Fair Value (1)
Corporate debt securities | $ | 88,475 |  |  | $ | 2 |  |  | $ | (1,403) |  |  | $ | 87,074 |
U.S. treasury securities | 17,891 |  |  | — |  |  | (229) |  |  | 17,662 |
Certificates of Deposit | 516 |  |  | — |  |  | — |  |  | 516 |
Total securities with unrealized gains/(losses) | $ | 106,882 |  |  | $ | 2 |  |  | $ | (1,632) |  |  | $ | 105,252 |
(1) Included within Investment securities in the Consolidated Balance Sheets.
Schedule of Maturities of Debt Securities | Scheduled maturities of the debt securities held by the Company included within the investment securities portfolio were as follows:
| September 30, 2022 |  | March 31, 2022
| Amortized Cost |  | Estimated Fair Value |  | Amortized Cost |  | Estimated Fair Value
Due within one year | $ | 4,886 |  |  | $ | 4,809 |  |  | $ | 72,963 |  |  | $ | 72,950 |
Due within years two through five | 30,737 |  |  | 28,352 |  |  | 33,919 |  |  | 32,302 |
Total debt within the investment securities portfolio | $ | 35,623 |  |  | $ | 33,161 |  |  | $ | 106,882 |  |  | $ | 105,252 |

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