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- Summary of Trading Securities (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Mar. 31, 2022
--- | --- | ---
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | $ 39,622 | $ 106,882
Gross Unrealized Gains | 21 | 2
Gross Unrealized (Losses) | (2,334) | (1,632)
Fair Value (1) | 37,309 | 105,252
Corporate debt securities |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | 24,936 | 88,475
Gross Unrealized Gains | 6 | 2
Gross Unrealized (Losses) | (1,325) | (1,403)
Fair Value (1) | 23,617 | 87,074
U.S. treasury securities |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | 13,400 | 17,891
Gross Unrealized Gains | 15 | 0
Gross Unrealized (Losses) | (425) | (229)
Fair Value (1) | 12,990 | 17,662
Common stock |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | 768 |
Gross Unrealized Gains | 0 |
Gross Unrealized (Losses) | (584) |
Fair Value (1) | 184 |
Certificates of deposit |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | 518 | 516
Gross Unrealized Gains | 0 | 0
Gross Unrealized (Losses) | 0 | 0
Fair Value (1) | $ 518 | $ 516

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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(2)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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