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- Summary of Trading Securities (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Mar. 31, 2021
--- | --- | ---
Total Securities |  |
Amortized Cost | $ 106,882 |
Gross Unrealized Gains | 2 |
Gross Unrealized (Losses) | (1,632) |
Fair Value (1) | 105,252 |
Debt Securities - Held-to-Maturity |  |
Amortized Cost |  | $ 202,145
Gross Unrealized Gains |  | 711
Gross Unrealized (Losses) |  | (114)
Fair Value |  | 202,742
Corporate debt securities |  |
Debt Securities - Trading |  |
Amortized Cost | 88,475 |
Gross Unrealized Gains | 2 |
Gross Unrealized (Losses) | (1,403) |
Fair Value (1) | 87,074 |
Debt Securities - Held-to-Maturity |  |
Amortized Cost |  | 178,384
Gross Unrealized Gains |  | 389
Gross Unrealized (Losses) |  | (114)
Fair Value |  | 178,659
U.S. treasury securities |  |
Debt Securities - Trading |  |
Amortized Cost | 17,891 |
Gross Unrealized Gains | 0 |
Gross Unrealized (Losses) | (229) |
Fair Value (1) | 17,662 |
Debt Securities - Held-to-Maturity |  |
Amortized Cost |  | 23,761
Gross Unrealized Gains |  | 322
Gross Unrealized (Losses) |  | 0
Fair Value |  | $ 24,083
Certificates of deposit |  |
Equity Method Investment |  |
Amortized Cost | 516 |
Gross Unrealized Gains | 0 |
Gross Unrealized (Losses) | 0 |
Fair Value (1) | $ 516 |

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