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v3.21.2

U.S. Government Securities (Details) - USD ($) | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Investments, Debt and Equity Securities [Abstract] |  |
Gross unrealized gains | $ 4,200,000 |
Gross unrealized losses | 0 |
Carrying Value |  |
Due in 1 year | 132,222,000 |
TOTAL | 132,222,000 | $ 135,115,000
Fair Value |  |
Due in 1 year | 136,436,000 |
TOTAL | $ 136,436,000 |

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