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INVESTMENT SECURITIES (Tables) | 12 Months Ended
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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 Cost |  | Gross Unrealized Gains |  | Gross Unrealized (Losses) |  | Fair Value
Corporate debt securities | $ | 24,936 |  |  | $ | 6 |  |  | $ | (1,325) |  |  | $ | 23,617 |
U.S. treasury securities | 13,400 |  |  | 15 |  |  | (425) |  |  | 12,990 |
Common stock | 768 |  |  | — |  |  | (584) |  |  | 184 |
Certificates of deposit | 518 |  |  | — |  |  | — |  |  | 518 |
Total securities with unrealized gains/(losses) | $ | 39,622 |  |  | $ | 21 |  |  | $ | (2,334) |  |  | $ | 37,309 |
| 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.
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, 2023 |  | March 31, 2022
| Amortized Cost |  | Estimated Fair Value |  | Amortized Cost |  | Estimated Fair Value
Due within one year | $ | 6,243 |  |  | $ | 6,254 |  |  | $ | 72,963 |  |  | $ | 72,950 |
Due within years two through five | 33,379 |  |  | 31,055 |  |  | 33,919 |  |  | 32,302 |
Total debt within the investment securities portfolio | $ | 39,622 |  |  | $ | 37,309 |  |  | $ | 106,882 |  |  | $ | 105,252 |

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- Definition Tabular disclosure of information about investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5B -URI https://asc.fasb.org/extlink&oid=126970911&loc=SL120269825-111563 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5A -URI https://asc.fasb.org/extlink&oid=126970911&loc=SL120269820-111563 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27232-111563 + Details
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